diff options
Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/syscall')
74 files changed, 1411 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1007 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1007 new file mode 100644 index 000000000..e77c37fae --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1007 @@ -0,0 +1,13 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about QEMU adding execveat syscall support. The categories given are instruction, syscall, and runtime. Let me break it down step by step. + +First, the term "execveat" stands out. I know that in Linux systems, execve is a system call used to execute a program. The 'at' suffix suggests it's using file descriptors, like how openat works. So execveat must be a variant of execve that uses a directory file descriptor for the path resolution. + +Now, looking at the bug report: "qemu-user: add execveat syscall support." This means that QEMU's user mode emulation is missing support for this particular system call. So, when an application running under QEMU tries to use execveat, it won't work because QEMU doesn't handle it yet. + +So, the issue here is about a missing system call implementation in QEMU. That points directly towards the syscall category. The other categories don't seem to fit as well. Instruction issues would relate to specific CPU instructions not being handled correctly, which isn't the case here. Runtime errors are more about crashes or unexpected behavior during execution, but this is specifically about a missing feature related to system calls. + +Therefore, I'm pretty confident that this bug falls under the syscall category because it's about adding support for a particular system call in QEMU. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1012 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1012 new file mode 100644 index 000000000..2ec701f07 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1012 @@ -0,0 +1,19 @@ +<think> +Okay, I'm trying to figure out how to classify this bug report into one of the given categories: instruction, syscall, or runtime. Let me read through the problem description and the provided information carefully. + +The issue is about here-documents in bash producing an ENOENT error after updating gnulib and coreutils. The user's script uses `cat <<EOF` which should redirect from a here-document to stdin for cat. But instead, it's failing with "No such file or directory". + +Looking at the strace outputs: + +In the updated system, the process calls newfstatat on fd 0 (which is connected to a deleted tmp file), resulting in ENOENT. The error message from cat indicates that it can't find the file '-'. + +In contrast, the old system uses fstat and successfully reads from the same tmp file without errors. + +The key difference seems to be the use of newfstatat versus fstat. From my understanding, newfstatat is a more modern syscall that allows specifying flags like AT_EMPTY_PATH. It might behave differently in how it handles certain paths or file descriptors compared to fstat. + +Since the problem arises from a change in system calls (from fstat to newfstatat), which leads to different behavior and an error, this seems related to how the kernel or system calls are handling the situation. The ENOENT occurs because newfstatat can't find the file descriptor as expected, possibly due to changes in how it's implemented. + +So, this issue is about a discrepancy between two syscalls (fstat and newfstatat) leading to an error in functionality. Therefore, it falls under a syscall-related problem. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1076445 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1076445 new file mode 100644 index 000000000..1fb7d1f59 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1076445 @@ -0,0 +1,19 @@ +<think> +Okay, I need to figure out what's going on here. The user provided a bug report about QEMU failing when running a simple C program that uses the system() function. They mentioned it happens with i386 and x86_64 toolchains from Buildroot but works fine with ARM and MIPS. + +First, I'll look at the code they provided. The program is straightforward: it calls system("echo hello") and prints the return value. On x86 targets, QEMU outputs -1, which indicates an error, while on other architectures, it correctly displays "hello" and 0. + +The possible categories are instruction, syscall, or runtime. Let's break this down. + +If it were an instruction issue, there might be a problem with how the program is compiled or specific CPU instructions causing QEMU to fail. But since it works for ARM and MIPS but not x86, that suggests it's more about how system calls are handled rather than specific instructions. + +Next, considering syscalls: the system() function internally uses fork(), execve(), and waitpid(). Maybe one of these syscalls isn't properly emulated in QEMU for x86 targets. I know that different architectures might have variations in how certain syscalls are implemented or called. + +The fact that it works on ARM and MIPS but not x86 points towards an issue with the syscall handling specific to x86 in QEMU. Perhaps there's a missing implementation or incorrect handling of these syscalls in the i386 and x86_64 targets within QEMU. + +So, putting this together, it seems like the problem lies with how system calls are being handled by QEMU for x86 architectures when using the cross-toolchain. Therefore, the category should be syscall. +</think> + +The issue is related to the handling of syscalls in QEMU for x86 architectures when running programs that use the system() function. This suggests a problem with the emulation of certain system calls (like fork(), execve(), and waitpid()) specific to i386 and x86_64 targets. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1111 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1111 new file mode 100644 index 000000000..9013816ae --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1111 @@ -0,0 +1,23 @@ +<think> +Okay, I need to classify this bug report into one of the given categories: instruction, syscall, or runtime. Let's go through each step carefully. + +First, looking at the problem description, the user is running "perf bench futex lock-pi" in an amd64 Docker image on an s390x host. The error they're encountering is ENOSYS, which means the system call isn't implemented. + +The specific error message mentions that the function FUTEX_LOCK_PI isn't supported. This suggests that when the code attempts to make a syscall with this particular operation, it's failing because the kernel doesn't recognize or support it. + +Looking at the steps provided, the user points out that the syscall(SYS_futex, ...) is causing the issue. They are using the FUTEX_LOCK_PI flag in their system call. The fact that this results in an ENOSYS error indicates a problem with the syscall itself—specifically, that the system doesn't recognize this operation. + +Now, considering the categories: + +1. **Instruction**: This would relate to specific CPU instructions causing issues. Since the error is about a system call not being implemented, it's more about how the kernel handles syscalls rather than individual CPU operations. + +2. **Syscall**: This category fits because the problem arises from a specific system call (futex) with certain parameters leading to an ENOSYS error. The issue isn't with runtime execution in general but with the syscall not being supported as expected. + +3. **Runtime**: Runtime errors are broader, such as crashes or unexpected behavior during program execution. Here, it's specifically a missing syscall implementation. + +So, the bug is related to the system call FUTEX_LOCK_PI not being implemented on s390x when running an amd64 Docker container. This falls under the "syscall" category because it's about the syscall failing due to lack of support. +</think> + +The issue arises from a system call (futex with FUTEX_LOCK_PI) not being implemented, leading to an ENOSYS error. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/121 b/results/classifier/deepseek-r1:32b/reasoning/syscall/121 new file mode 100644 index 000000000..445342355 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/121 @@ -0,0 +1,13 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about a multiprocess program getting incorrect results when using qemu arm-linux-user. The categories available are instruction, syscall, and runtime. + +First, I'll think about what each category means. The instruction category would involve issues with specific CPU instructions not working correctly. Syscall would relate to problems with system calls, like open, read, write, etc., either in the kernel or how they're handled by QEMU. Runtime errors are more general and could include issues that happen during program execution but aren't necessarily tied to a specific instruction or syscall. + +Now, looking at the bug report: it's about a multiprocess program giving incorrect results when run under QEMU's arm-linux-user emulator. Multiprocessing implies that the program uses multiple processes, which means it might be using system calls related to process management, like fork, exec, waitpid, etc. If these syscalls aren't handled properly by QEMU, it could cause incorrect behavior in the program. + +Alternatively, if the problem is with how QEMU emulates certain instructions that are crucial for multiprocessing (like synchronization primitives or memory management), it might fall under instruction issues. But more likely, since it's about process interaction, it would involve syscalls like those managing processes and inter-process communication. + +So, considering all this, I think the issue is probably related to how system calls are being handled in QEMU, leading to incorrect results when multiple processes interact. Therefore, the category would be syscall. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1238 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1238 new file mode 100644 index 000000000..0c21078ec --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1238 @@ -0,0 +1,13 @@ +<think> +Okay, so I need to classify this bug report into one of three categories: instruction, syscall, or runtime. Let me go through it step by step. + +The problem occurs when using qemu-mipsn32 and qemu-mipsn32el with coreutils-9*. The error message mentions issues during `make install`, specifically an error deallocating a file with 'Invalid argument'. + +Looking at the strace output, several system calls are involved. For example, there's an fadvise64 call that returns -1 with errno=22 (Invalid argument). Similarly, fallocate also fails with the same error code. + +The user suspects this is related to coreutils-9 and possibly issues with fadvise64 or fallocate. These are both system calls, so the problem seems to be in how these syscalls are handled by qemu for the n32 architecture on ext4 filesystems. + +So, the issue arises during a system call execution within the QEMU environment. Therefore, it's likely related to how QEMU handles these particular syscalls. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1261 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1261 new file mode 100644 index 000000000..76af0eabc --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1261 @@ -0,0 +1,11 @@ +<think> +Okay, I need to classify this bug report into one of the given categories: instruction, syscall, or runtime. Let's see what the problem is about. + +The user reported an issue with QEMU on the LoongArch64 architecture where the faccessat2 syscall isn't implemented. The test script checks if a file is readable using [[ -r ]], which in turn uses the faccessat2 system call. However, since QEMU doesn't handle this syscall, it results in an error. + +Looking at the log, there's an "Unknown syscall 439" message. Syscall 439 corresponds to faccessat2 on LoongArch64. So the problem is that QEMU's user mode emulation doesn't support this specific system call yet. + +The bug isn't about a faulty instruction or something runtime-related but directly points out a missing system call implementation in the emulator. Therefore, the category should be 'syscall'. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1319100 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1319100 new file mode 100644 index 000000000..b977713d8 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1319100 @@ -0,0 +1,17 @@ +<think> +Okay, I'm trying to figure out how to classify this bug report about QEMU's signal handling causing Mono and Java to hang. Let me read through the problem again. + +The issue occurs when running Mono inside a chroot environment using qemu-user-static. It seems that certain signals used during termination aren't handled properly by QEMU, leading to hangs. The user provided a reproduction scenario where they use debootstrap to set up an armel chroot, install qemu-arm-static, and then run Mono in the chroot. When they do this, it blocks on a futex call. + +They also mention that when running Mono natively with strace, signals like SIGPWR are used between threads during termination. But under QEMU, these signals aren't being handled correctly, causing hangs. This affects not just direct Mono usage but also package installations that rely on Mono scripts in postinst. + +The user found an openSUSE patch that addresses this issue by working around a SA_RESTART race condition in the signal handling of QEMU. They applied this patch to their version of QEMU and it resolved the problem, indicating that the bug is likely not specific to Debian but exists upstream in QEMU itself. + +Looking at the categories provided: instruction, syscall, runtime. The problem seems related to how QEMU handles signals during process termination. Since signals are part of the operating system's interrupt mechanism, handling them involves syscalls and the way the kernel interacts with user-space processes. + +In this case, the issue is that certain signals aren't being correctly routed or handled within the chroot environment under QEMU. This causes the application (Mono) to hang because it's waiting on a signal that doesn't arrive as expected. The problem isn't an incorrect instruction in the code but rather how the system calls related to signaling are managed. + +So, the bug is about how QEMU interacts with system calls involving signals. Therefore, the category should be 'syscall' because it's an error occurring during the handling of these syscalls related to signal management. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1356916 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1356916 new file mode 100644 index 000000000..0b754095b --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1356916 @@ -0,0 +1,14 @@ +<think> +Alright, I need to classify this bug report under one of the given categories: instruction, syscall, or runtime. + +The problem described is that when running a command inside QEMU, such as `/bin/true $(yes | head -n 100000)`, it fails with "Argument list too long," even though modern kernels don't have a fixed argv/environ limit anymore. The issue is specifically with the user-space emulation in QEMU still using a fixed limit. + +Looking at the possible categories: +- **Instruction**: This would involve an incorrect CPU instruction or something related to executing code, which doesn't seem to be the case here. +- **Syscall**: This relates to errors when making system calls. The issue arises during `execve`, which is a syscall. The emulation in QEMU isn't handling large argument lists correctly when making this call, causing it to fail. +- **Runtime**: Errors that occur during runtime but aren't directly tied to syscalls or instructions. + +The problem occurs during the execution of a system call (`execve`) due to limitations in how QEMU emulates the environment. Therefore, the issue falls under the syscall category. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1457275 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1457275 new file mode 100644 index 000000000..57910158e --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1457275 @@ -0,0 +1,21 @@ +<think> +Alright, I need to classify this bug report from QEMU into one of three categories: instruction, syscall, or runtime. Let me go through the information provided step by step. + +First, looking at the output, it's a series of syscalls being made by QEMU. Each line starts with something like "mmap" or "munmap," which are system calls used for memory management. The parameters include addresses and flags like PROT_READ, PROT_WRITE, etc. + +I notice that these syscalls are related to mapping and unmapping large chunks of memory (4143972352 bytes each time). The addresses being mapped start from 0x1000 and go up incrementally. This pattern suggests that QEMU is trying to allocate a lot of virtual memory. + +Now, considering the categories: + +- **Instruction**: This would involve issues with specific CPU instructions or assembly code. There's no mention here of any instruction-level problems. + +- **Syscall**: The output clearly shows a sequence of syscalls (mmap and munmap) that are failing or behaving unexpectedly. QEMU is trying to map memory regions, but each mmap call fails, possibly due to lack of available memory or other resource constraints. + +- **Runtime**: This category covers other runtime errors not related to instructions or syscalls. Since the issue seems tied to system calls related to memory management, it's more specific than a general runtime error. + +Given that the problem revolves around repeated failures in mmap and munmap syscalls, the most appropriate category is "syscall." +</think> + +The bug report involves issues with system calls (mmap and munmap) failing repeatedly, indicating an error during memory management. + +Answer: syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1462640 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1462640 new file mode 100644 index 000000000..fd2e810f4 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1462640 @@ -0,0 +1,20 @@ +<think> +Okay, I need to classify this bug report as either an instruction, syscall, or runtime issue within QEMU. Let me go through it step by step. + +The user is running a 32-bit MIPS program on a 64-bit x86 host using QEMU. The problem occurs when the program calls `shmat()`, which fails. They provided a small test case where compiling the code as 32-bit (using `-m32`) causes `shmat()` to fail with a pointer of -1, while compiling as 64-bit works fine. + +From their explanation, QEMU uses `mmap` with the `MAP_PRIVATE` flag when reserving memory for a 32-bit guest. However, `shmat()` requires using `MAP_SHARED`. This mismatch causes the failure because `shmat()` can't modify the existing mapping from private to shared. + +The issue seems related to how QEMU handles memory mappings for different architectures and how system calls interact with those mappings. Specifically, it's about how the `mmap` flags are set and whether they allow subsequent `shmat()` calls to succeed. + +Looking at the possible categories: +- **Instruction**: This refers to an incorrect instruction being executed. The problem here isn't due to a specific CPU instruction but rather system call handling. +- **Syscall**: This involves errors with system calls. Since `shmat()` is a syscall that fails, and it's related to how QEMU manages the memory mappings, this seems relevant. +- **Runtime**: General runtime issues not tied directly to instructions or syscalls. + +The core issue is that the `mmap` flags set by QEMU conflict with what `shmat()` expects. Therefore, the problem arises during system call handling within the guest environment provided by QEMU. This makes it a syscall-related bug because it's about how the syscall interacts with memory management in QEMU. +</think> + +The issue is related to how QEMU handles system calls involving memory mappings and their flags. Specifically, `shmat()` fails due to incompatible `mmap` settings. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1470170 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1470170 new file mode 100644 index 000000000..0b6475233 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1470170 @@ -0,0 +1,13 @@ +<think> +Okay, so I'm trying to figure out what category this bug report falls into. The user mentioned that when they run QEMU in user mode for ARM, they're encountering unsupported syscalls 370 and 355. These issues are causing problems with systemd or a similar package. + +First, I'll break down the information given. The error messages clearly state "Unsupported syscall: 370" and "Unsupported syscall: 355". Syscalls are system calls made by userland programs to the kernel, so when QEMU reports these as unsupported, it suggests that QEMU doesn't have implementations for these particular syscalls in its ARM emulation. + +Looking at the possible categories provided: instruction, syscall, runtime. The problem here isn't about a faulty instruction or something wrong during runtime execution; it's specifically about missing system call handlers. So this seems directly related to syscalls not being supported in QEMU's user mode for ARM. + +I think the category should be 'syscall' because the issue revolves around the inability of QEMU to handle certain syscalls required by the system (like systemd) when running in an ARM environment. The errors are not about incorrect instructions or runtime exceptions but rather missing support for specific syscalls. +</think> + +The bug report involves QEMU failing to support certain system calls, specifically 370 and 355, which are necessary for proper operation of the system under emulation. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1494 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1494 new file mode 100644 index 000000000..ebf8a61e8 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1494 @@ -0,0 +1,21 @@ +<think> +Okay, so I need to figure out how to classify this bug report related to QEMU. The user provided two core dumps and some GDB outputs. Let me look through the information step by step. + +First, looking at the initial bug report from the terminal output. It mentions a coredump with PID 509058, which is a 'make' process. The signal was SIGSEGV (segmentation fault). In the GDB session, it showed that the program terminated due to a segmentation fault and pointed to sigsuspend() as the point of failure. + +Then, looking at another coredump with PID 509058 again, same user and command line. The GDB output indicated the core was generated by a 'make' process running under QEMU, and it showed that the signal was SIGSEGV, pointing to sigsuspend() as well. + +Now, considering the possible categories: instruction, syscall, or runtime. + +In both cases, the crash is due to a segmentation fault during execution of sigsuspend(). Segmentation faults are typically memory access errors—like accessing an invalid pointer or memory not properly allocated. Since it's happening in a system call (sigsuspend), which is part of the kernel's interface, it might relate to how QEMU handles syscalls. + +But wait, sigsuspend is used to wait for signals with a signal mask. If this is causing a segmentation fault, maybe there's an issue in how QEMU emulates this syscall or how it interacts with the host system's signal handling. Alternatively, perhaps it's a runtime error where some memory isn't being managed correctly during the execution of this syscall. + +Looking at the other core dump, the first one had a SIGSEGV and pointed to sigsuspend(), while another had SIGSEGV but different details. The user provided two links for core dumps, but I can't access them directly. However, from the GDB outputs, both point towards issues during system calls or in runtime handling. + +Since the problem occurs within a syscall (sigsuspend) and results in a segmentation fault, which is an error when accessing memory, it's likely related to how QEMU handles this specific syscall. Therefore, the category should be 'syscall' because the issue arises during the execution of a system call. +</think> + +The bug report indicates that the segmentation fault occurs within the `sigsuspend` system call. This suggests that the issue is related to how QEMU interacts with or emulates this particular syscall. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1516408 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1516408 new file mode 100644 index 000000000..0778e87b4 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1516408 @@ -0,0 +1,14 @@ +<think> +Okay, let's see. The user provided a bug report where QEMU is throwing an error about an unsupported syscall 186 when installing Python3.4 in an sh4 chroot. They mention that syscall 186 corresponds to sigaltstack and that it's not implemented for the sh4 target. + +The categories given are instruction, syscall, or runtime. Since the issue revolves around a specific system call (sigaltstack) not being supported on the sh4 architecture in QEMU, this falls under the 'syscall' category. The problem isn't an incorrect instruction execution or another runtime error; it's specifically about handling a particular syscall. + +So, the classification should be 'syscall'. +</think> + +The bug report is related to an unsupported system call (sigaltstack) on the sh4 architecture in QEMU, which directly pertains to a missing or unimplemented system call. + +sysyem +**syscall** + +# Answer: syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1563612 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1563612 new file mode 100644 index 000000000..1ef02c733 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1563612 @@ -0,0 +1,21 @@ +<think> +Alright, let's try to figure out what category this bug falls into. The user reported that when running their test application using PulseAudio under QEMU (both i386 and x86_64), it crashes with a segmentation fault. They mentioned compiling PulseAudio in debug mode led to an assertion failure in pa_mutex_unlock, which suggests something's wrong with the mutex handling. + +First, I'll consider what each category entails: + +1. **Instruction**: This would involve issues with specific CPU instructions causing problems. +2. **Syscall**: Issues related to system calls not being handled correctly by QEMU or the guest OS. +3. **Runtime**: Other runtime errors that don't fall into instructions or syscalls. + +The problem here involves PulseAudio, which uses threads and mutexes for synchronization. The assertion failure in pa_mutex_unlock points towards a threading issue. Since this is happening within PulseAudio's own code when run under QEMU, it might be related to how QEMU handles certain system calls or thread-related functions. + +Futex (Fast Userspace Mutex) is a Linux syscall used for efficient mutex operations. If PulseAudio is crashing with an assertion in pa_mutex_unlock, perhaps the futex syscalls aren't being handled correctly by QEMU when running in user-mode emulation. This could mean that QEMU isn't properly emulating the futex syscalls, leading to incorrect behavior in multi-threaded applications. + +Looking at the test case, it's a simple PulseAudio application that initializes and plays some audio. The crash under QEMU suggests an environment-specific issue rather than a problem with the application itself since it runs fine natively. + +Considering all this, the bug is likely related to how QEMU handles certain syscalls, particularly those involved in threading or synchronization like futex. Therefore, the category should be **syscall** because it's about system call handling leading to the crash. +</think> + +The issue stems from PulseAudio encountering a problem during runtime when executed under QEMU, specifically with futex-related syscalls which are crucial for thread synchronization. This points towards an error in how these system calls are handled by QEMU. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1585840 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1585840 new file mode 100644 index 000000000..67cac7331 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1585840 @@ -0,0 +1,33 @@ +<think> +Alright, I'm trying to figure out how to classify this bug report. Let's read through it again and see what the issue is about. + +So, there's a program that can run either using threads or multiple processes. By default, it uses threads, but if you pass "process" as an argument, it switches to multiprocess mode. The success condition is that both tasks end up seeing a final count of 2000000. + +The user reports that when running on standard Linux x86_64 and armhf userspaces (both with 4 cores), the program works correctly in both modes. However, when using qemu's arm-linux-user emulator, it succeeds in threaded mode but fails in multiprocess mode. + +They mention that this reflects how the linuxcnc project uses shared memory regions for IPC, which involves shmat and possibly mmap. The problem seems to be that their testsuite is failing with deadlocks and other issues under qemu-user when running on an x86_64 host, but passes on real hardware. + +The user observed the issue in multiple versions of QEMU, including v1.6.0, master (v2.6.0-...), and an outdated Debian package. + +Now, I need to classify this bug under one of the given categories: instruction, syscall, or runtime. + +Let me think about each category: + +- Instruction: This would involve a problem with how instructions are executed in QEMU. For example, if certain ARM instructions aren't emulated correctly, leading to incorrect behavior. +- Syscall: This relates to system calls not being handled properly by QEMU's user-mode emulation. If the program is relying on specific syscalls for IPC or shared memory that aren't implemented correctly, it could cause issues. +- Runtime: Other runtime errors, which might involve things like timing issues, concurrency problems during execution, etc. + +The issue here seems to be related to how multiple processes interact in QEMU's user-mode environment. Since the problem occurs only when using multiple processes and not threads, it suggests that there's an issue with inter-process communication (IPC) mechanisms under emulation. + +In multiprocess mode, each process runs separately but shares memory regions via shmat or mmap. The failure to reach the correct count could indicate that the synchronization primitives (like mutexes) aren't working as expected across processes in QEMU. This might be due to how QEMU handles syscalls related to shared memory or mutex operations. + +Another angle is that if QEMU's emulation of system calls like shmat, mmap, or those involved with mutex locking and unlocking isn't fully compatible with the host system's behavior, it could lead to deadlocks or incorrect counts. For example, if futex-based locks aren't properly emulated, processes might not synchronize correctly. + +Additionally, considering that it works on real hardware but fails under QEMU suggests that the issue is specific to the emulation layer. Real hardware handles these IPC mechanisms natively, so any discrepancies would be in how QEMU implements or emulates them. + +Therefore, this seems like a problem with system calls related to IPC and shared memory not being correctly handled by QEMU's user-mode emulator. So, it falls under the 'syscall' category. +</think> + +The issue relates to incorrect handling of system calls involved in inter-process communication (IPC) within QEMU's user-mode emulation, leading to failures in multiprocess mode. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1594394 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1594394 new file mode 100644 index 000000000..d3ac6c0d1 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1594394 @@ -0,0 +1,11 @@ +<think> +Okay, so I'm trying to classify this bug report related to QEMU. The issue is that when setreuid() or setegid() are called from x86_64 user-mode target code in QEMU, it crashes inside the NPTL signal handlers. + +From the description, it seems like the problem arises because the x86 targets don't directly use a syscall for these functions. Instead, they use a temporary memory region __xidcmd and send a SIGRT1 signal to all threads. However, in QEMU, this __xidcmd remains null, causing issues. + +Looking at the backtrace, it shows that the crash happens in the sighandler_setxid function when trying to access __xidcmd, which is null. This leads me to think that the problem is related to how these syscalls are being handled within QEMU's user-mode environment. + +The categories given are instruction, syscall, and runtime. Since the issue revolves around the handling of setreuid/setegid syscalls and their implementation in the NPTL threading model under QEMU, it seems like a problem with how the system calls are processed or emulated. Therefore, I think this falls under the 'syscall' category. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1605443 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1605443 new file mode 100644 index 000000000..615453b50 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1605443 @@ -0,0 +1,27 @@ +<think> +Alright, so I'm trying to figure out how to classify this bug report about QEMU and epoll on an ARM host. Let's start by reading through the details carefully. + +The user mentions that they're using wine on qemu-i386, which is running on an ARM host. They noticed that version 2.5.1 works fine, but when they upgraded to 2.6, things broke. Specifically, epoll stopped working correctly. Through bisecting, they identified a specific commit (928bed6a0) as the culprit and reverted it to fix the issue. + +Now, I need to classify this bug into one of three categories: instruction, syscall, or runtime. + +First, let's think about what each category means: + +- **Instruction:** This would involve an error in how a CPU instruction is handled by QEMU. For example, if a specific assembly instruction isn't being translated correctly when running on the ARM host, that would fall here. + +- **Syscall:** This relates to errors when making system calls from the guest OS to the host OS. If there's an issue with how syscalls are handled or emulated by QEMU, this category applies. + +- **Runtime:** This is a catch-all for other runtime issues that don't fit into the above categories. It could include memory management problems, timing issues, or bugs in how certain operations are performed during execution. + +In the given case, the problem is with epoll not working correctly after an update to QEMU 2.6. Epoll is a system call used for monitoring multiple file descriptors to see if I/O is possible on any of them. The fact that this was introduced by a specific commit suggests it's related to how syscalls are handled in the emulator. + +Looking at the bisected commit, if it's causing epoll to break, it might be related to changes in how system calls are implemented or emulated in QEMU for the i386 target running on ARM. Since the user reverted this commit and the issue was resolved, it points to a problem with how that particular part of the code handles syscalls. + +Therefore, the bug is likely categorized under **syscall** because it's related to the handling of epoll system calls in the QEMU emulator when running on an ARM host. +</think> + +The bug report involves issues with how the epoll system call is handled after a specific commit in QEMU. The problem was identified and fixed by reverting that commit, indicating an error in syscall handling. + +**syscall** + +Answer: syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1617929 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1617929 new file mode 100644 index 000000000..ce4fdde7b --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1617929 @@ -0,0 +1,28 @@ +<think> +Okay, so I'm looking at this bug report about QEMU hanging in a pselect syscall. The user provided some detailed information, including the command line used, back traces from gdb, and strace logs. Let me try to unpack this step by step. + +First, the issue occurs when running QEMU in a chroot environment with specific compile options. The command given is using qemu-arm to execute edje_cc, which suggests it's compiling some EDC files for an embedded system, perhaps related to Tizen. + +The back trace shows that the process is stuck in safe_pselect6, which is part of the syscall handling in QEMU. From the gdb output, it looks like the function calls are going through safe_syscall_end and into do_select. The strace logs indicate that there's a pselect6 call with 10 file descriptors, but it seems to be hanging. + +The user mentioned that this happens occasionally—only one occurrence out of over 50 trials. That suggests it might not be straightforward to reproduce, which is challenging for debugging. They also noted that both version 2.7.0-rc4 and the stable v2.6.0 have the same problem. + +Looking at the possible categories: instruction, syscall, runtime. The issue seems to be related to how QEMU handles system calls, specifically pselect. Since pselect is a Linux syscall used for I/O multiplexing, perhaps there's an issue in how QEMU emulates or interacts with this syscall. + +The fact that it's hanging in the pselect6 call suggests a possible deadlock or incorrect handling of file descriptors within QEMU. Maybe there's an issue with how the file descriptors are managed when performing select operations, leading to the process getting stuck waiting indefinitely for I/O events that never occur. + +Considering the category options: + +- **Instruction**: This would be if there was an issue with specific CPU instructions or translation errors. But the back trace points to syscalls, not instruction-level issues. + +- **Syscall**: Since pselect is a syscall and the problem occurs during its execution within QEMU's emulation of it, this seems relevant. The bug report mentions that the hang happens in a syscall (pselect6), which fits into this category. + +- **Runtime**: This would be broader errors that happen during runtime but aren't tied to specific syscalls or instructions. However, since the issue is clearly linked to a specific syscall, it's more precise to categorize it under syscall. + +So, putting it all together, the bug report describes an error related to handling a system call (pselect6) within QEMU, leading to a hang. Therefore, the appropriate category is 'syscall'. +</think> + +The issue reported is due to a problem with handling the `pselect6` system call in QEMU, causing a hang. This falls under the syscall category. + +**Answer:** +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1619896 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1619896 new file mode 100644 index 000000000..f1e7cb8c8 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1619896 @@ -0,0 +1,17 @@ +<think> +Okay, so I'm looking at this bug report from Tobias about running the Teamspeak Server on an arm host using QEMU. The issue is that when he runs the server through QEMU, it works initially but then starts having problems after a second client connects. + +The error message mentioned is "Unsupported ancillary data: 0/8". I remember that ancillary data in network programming usually refers to additional information like socket options or control messages. So this must be something related to how the system calls are being handled by QEMU's user-mode emulation. + +Looking at the steps, he configures QEMU with i386-linux-user and runs the x86 Teamspeak binary on his armv7l host. The problem arises when clients connect—specifically, after a second client connects, the server drops connections. + +The error comes from qemu's linux-user/syscall.c, which suggests that during some system call handling, QEMU encountered an unsupported ancillary data type. Ancillary data in socket calls (like sendmsg or recvmsg) includes things like IP_PKTINFO, which gives packet information such as source and destination addresses. + +I think the issue is that Teamspeak Server might be using some advanced socket options or control messages that aren't fully supported by QEMU's user-mode emulation for i386. Specifically, if the server uses IP_PKTINFO ancillary data, and QEMU doesn't handle it correctly, this error would occur. + +So this seems like a problem with how QEMU is handling certain system calls—specifically those involving socket operations and their associated control messages. Since it's about syscalls not being fully supported, it falls under the 'syscall' category. +</think> + +The bug report involves an issue where QEMU fails to handle a specific type of ancillary data during system calls related to networking. This indicates a problem with how system calls are processed in QEMU's user-mode emulation. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1689367 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1689367 new file mode 100644 index 000000000..5a2244c9c --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1689367 @@ -0,0 +1,16 @@ +<think> +Alright, I'm looking at this issue where someone is running an ARMv7 qemu chroot on their x86_64 desktop. They're getting a lot of "qemu: Unsupported syscall: 384" messages whenever they do any compiling inside the chroot. From what I gather, it's been about six months since they last used this environment, and there have been package updates since then. + +The user mentioned that these messages aren't causing any problems—they’re just annoying. They had a chat with someone in IRC who explained that syscall 384 is getrandom (sys_getrandom). The person in IRC suggested that it's probably falling back to using /dev/urandom, so it might not be a big deal but should ideally be fixed by implementing the sys_getrandom call. + +So, categorizing this bug: the issue is about an unsupported syscall. It seems like the problem is that the ARMv7 qemu isn't handling the getrandom system call correctly, which is why it's throwing those messages. The user hasn't encountered any runtime issues beyond the messages, so it doesn't fall under 'runtime' errors. It’s more specific to a missing or unimplemented syscall. + +Therefore, this should be classified under 'syscall'. +</think> + +The issue involves an unsupported system call (getrandom) in the QEMU environment, leading to repeated error messages. This is related to a missing implementation of sys_getrandom rather than a runtime error or faulty instruction. + +sys_getrandom +The bug report describes an error with a syscall being unsupported in qemu. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1696773 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1696773 new file mode 100644 index 000000000..8cf711e6a --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1696773 @@ -0,0 +1,15 @@ +<think> +Okay, so I'm trying to classify this bug report for QEMU. The user provided a program that starts a goroutine and calls exec repeatedly. It works fine natively but crashes under ARM user emulation with a segfault or other failures. + +First, let me understand what's happening here. Golang uses goroutines, which are lightweight threads managed by the Go runtime. When they call exec repeatedly in a goroutine, it's probably making a lot of system calls. + +Under normal circumstances, this works because the host OS can handle these syscalls efficiently. But when running under QEMU's user emulation for ARM, something goes wrong. The crashes are segfaults or other issues. + +I need to figure out what category this bug falls into: instruction, syscall, or runtime. Since it's happening during system calls (exec), it might be related to how QEMU handles these syscalls in emulation mode. Maybe there's an issue with how the ARM emulation is translating or executing certain syscalls, leading to crashes. + +So, I think this relates to a problem with system calls under user emulation. Therefore, the category should be 'syscall'. +</think> + +The bug involves issues with system calls under QEMU's user emulation for ARM, leading to crashes when exec is called repeatedly in a goroutine. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1701808 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701808 new file mode 100644 index 000000000..b788d3cb7 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701808 @@ -0,0 +1,15 @@ +<think> +Alright, I need to figure out how to classify this bug report about stack smashing when using the recvmsg system call in qemu-aarch64 user mode. Let me start by understanding what's happening here. + +The user provided a program that uses recvmsg and when run under qemu, it aborts with a stack smashing error. However, on native hardware, it works fine. The issue seems to be related to memory allocation around the recvmsg call because adding extra space (EXTRA_SPACE=9) fixes the problem. This suggests that recvmsg is writing beyond the allocated buffer. + +So, the problem arises when the system call returns more data than expected, causing a buffer overflow. But why would this happen in qemu but not on real hardware? Maybe there's an issue with how qemu handles the system calls or memory management in user mode. + +Looking at the possible categories: instruction, syscall, runtime. The issue is happening during a system call (recvmsg), which makes me think it's related to how the syscall is handled. Perhaps qemu isn't properly checking the buffer size when handling recvmsg, leading to incorrect data being written beyond the intended array. + +Therefore, this seems like an error with the syscall handling in qemu. It might be that qemu doesn't correctly implement the boundaries for the recvmsg call, causing it to allow more data than expected and thus smashing the stack. +</think> + +The bug is related to how the `recvmsg` system call is handled by QEMU, specifically regarding buffer size checks which lead to a stack overflow in user mode but not on native hardware. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 new file mode 100644 index 000000000..ee2bd9802 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701971 @@ -0,0 +1,15 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about multithreading issues under QEMU user mode for SH4. The user provided a detailed scenario where their program works correctly on native platforms and other emulated architectures but hangs when using qemu-sh4. + +First, the problem occurs during thread termination or when using pthread_join. From the stack traces provided, it looks like many threads are stuck in futex operations. Futexes (fast user-space mutexes) are used for synchronization between threads, so if they're not working as expected, that could cause deadlocks or hangs. + +The program works on other architectures, which suggests it's specific to how QEMU emulates SH4. The fact that the issue arises with multithreading points towards thread management or system call handling within QEMU. + +Looking at the stack traces, they show calls into safe_futex and do_syscall in QEMU's code. This indicates that the problem is likely related to how QEMU handles futex syscalls on SH4. Futex operations might not be correctly implemented or are getting stuck, causing threads to hang indefinitely. + +Since the issue revolves around system calls (specifically futex) not behaving as expected under emulation, I think this falls into the "syscall" category. The problem isn't with an instruction execution per se but rather how QEMU manages and emulates these critical syscalls for thread synchronization. +</think> + +The bug is related to how QEMU handles syscalls, particularly futex operations, which are crucial for multithreading. Therefore, it's categorized under: + +**syscall** \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1701974 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701974 new file mode 100644 index 000000000..fc769bccd --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1701974 @@ -0,0 +1,19 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about pwrite not working correctly under qemu-sh4. Let me read through the problem again. + +The user says that when using pwrite to write to a file at a non-zero position in their program running on qemu-sh4 version 2.9.0, it doesn't work as expected. The expected output is "buf = 01W3456789", but the actual output is "buf = 0123456789". There's also an assertion failure and a signal 6 (Aborted) from qemu. + +So, they compiled their program with sh4-linux-gnu-gcc-5, made it static, then ran it under qemu-sh4. The issue seems to be that pwrite isn't updating the buffer correctly when writing at position 2. Instead of 'W' and '3' replacing some characters, it's just appending or not affecting the buffer as intended. + +Looking at the possible categories: instruction, syscall, runtime. + +- Instruction would imply a problem with how a specific CPU instruction is handled. +- Syscall suggests an issue with how system calls are implemented in qemu for this architecture. +- Runtime could be other issues that happen during execution but aren't related to instructions or syscalls. + +Since the bug is about pwrite not working as expected, which is a system call (syscall), I think it's likely a syscall-related problem. Maybe qemu-sh4 isn't correctly emulating the pwrite syscall for SH4, causing the buffer not to update properly when writing at a specific offset. +</think> + +The issue is related to how the `pwrite` system call is handled by QEMU for the SH4 architecture, indicating a problem with the system call emulation. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1716292 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1716292 new file mode 100644 index 000000000..13327e25e --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1716292 @@ -0,0 +1,17 @@ +<think> +Okay, so I'm looking at this bug report about QEMU's user mode emulation not handling the write() system call correctly when it's given a NULL pointer and zero length. The issue is that on Linux, this should return 0, but in the emulation, it returns -1. + +First, let me understand what's happening here. The user provided a test case where they compile a small C program that calls write(STDOUT_FILENO, NULL, 0). On their system, running the compiled binary directly gives 0 as expected. But when they run the same binary under QEMU's x86_64-linux-user emulator, it returns -1 instead. + +I know that in Unix-like systems, the write() function is supposed to return the number of bytes written, which should be 0 if len (the third argument) is 0. Even if buf (the second argument) is NULL, as long as len is 0, it's a valid call and should return 0 without doing anything. + +So the problem here seems to be that QEMU isn't correctly emulating this behavior. When the write() syscall is made with these parameters in user mode, QEMU returns -1 instead of 0. That suggests there's an issue in how QEMU handles certain syscalls, specifically when len is zero and buf is NULL. + +Looking at the possible categories: instruction, syscall, runtime. The problem seems to be related to a system call handling. So it's likely under 'syscall' category because the issue arises from how the write() syscall is being processed by the emulator. + +I don't think it's an 'instruction' issue because the problem isn't about executing a specific machine instruction incorrectly; rather, it's about how a system call is handled. It's also not a runtime error in terms of execution flow or memory management but specifically related to thesyscall implementation. +</think> + +The bug report pertains to the incorrect handling of a system call within QEMU's user mode emulation. Specifically, the write() syscall with zero length and a null pointer returns -1 instead of 0 as expected. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1726394 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1726394 new file mode 100644 index 000000000..1c82dc7fa --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1726394 @@ -0,0 +1,15 @@ +<think> +Okay, so I need to classify this bug report as either 'instruction', 'syscall', or 'runtime'. Let's read through it carefully. + +The problem is about QEMU-user passing through a prctl system call with specific arguments: PR_SET_SECCOMP, SECCOMP_MODE_FILTER, and an address. The third argument is causing an EFAULT because it points to a BPF filter that's architecture-specific. Since the address can't be rewritten due to architecture differences, the safest action is to return an error. + +The user isn't sure whether to return EINVAL or something else but wants an identifiable error so seccomp errors can be ignored if not supported. + +Hmm, prctl is a system call used to set process flags and parameters. The issue here seems to stem from how QEMU handles this specific sysctl call. So the problem is related to handling a system call incorrectly, leading to an EFAULT when trying to access memory at the given address. + +So, since it's about how the system call (prctl) is being handled or passed through, causing an error, the category should be 'syscall'. It doesn't involve faulty instructions in the guest code, nor is it a general runtime issue; it's specifically about handling a syscall incorrectly. +</think> + +The bug report discusses issues with handling the prctl system call, specifically how QEMU passes arguments leading to an EFAULT. This is related to system call processing. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1728116 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1728116 new file mode 100644 index 000000000..113adf0e5 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1728116 @@ -0,0 +1,21 @@ +<think> +Okay, so I'm trying to figure out what's causing this issue with QEMU and /proc/self/auxv. From the problem description, it seems that when running certain commands under QEMU, specifically using the x86_64-linux-user binary, the output from catting /proc/self/auxv is returning 0 bytes instead of the expected 256 or so bytes. This was working in an older version (2.7.1) but broke in a newer one (2.10.1). + +The user mentioned that they did a git bisect and found that the problematic commit is 7c4ee5bcc. Looking at the diff provided, I can see that some logging was added to print out the length of the auxv vector. The output from running this shows two numbers: a very large positive number (18446744073709551264) and then -352. + +Hmm, let me think about what these numbers could mean. 18446744073709551264 is a familiar number—it's actually the value of (2^64 - 1), which is the maximum value for a 64-bit unsigned integer. But wait, why would len be that? That doesn't make sense because the auxv vector shouldn't be that large. + +Looking at the code changes in the commit, perhaps there was an error in how the length of the auxv vector is calculated or stored. In the old version, it might have been handled correctly, but now something's off. The user suggests that maybe there's a subtraction in the wrong direction or a sign issue. + +In the logging output, len is printed using TARGET_ABI_FMT_lu (which is for unsigned) and then TARGET_ABI_FMT_ld (for signed). The first log shows 18446744073709551264 as an unsigned long, which is indeed 2^64 - 2^ something. But when printed as a signed integer, it becomes negative (-352), suggesting that the value of len has somehow become incorrect. + +So maybe in the code, len was supposed to be calculated correctly but ended up being set to some wrong value due to an overflow or sign mismatch. For example, if len was intended to be 352 bytes (the positive number) but instead is stored as a negative value because of a signed integer error, that would cause issues when trying to read the auxv vector. + +Looking back at the commit, perhaps in the open_self_auxv function, the way len is determined or assigned changed. If the code uses subtraction where addition was needed or vice versa, it could result in an incorrect length. Also, if variables are declared as signed but should be unsigned (or vice versa), that could cause this kind of issue. + +In summary, the problem seems to stem from how the auxv vector's length is calculated and stored in memory. The incorrect value leads to either not reading any data or causing other issues like segfaults because the process doesn't handle a negative length properly. +</think> + +The bug report describes an error with a syscall in QEMU where the /proc/self/auxv file returns 0 bytes after a certain commit, leading to problems. The issue arises from incorrect handling of the auxv vector's length, likely due to a sign or calculation error. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1749393 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1749393 new file mode 100644 index 000000000..3c030d054 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1749393 @@ -0,0 +1,15 @@ +<think> +Alright, let's try to figure out what category this bug falls into. The problem is that when running a PIE-compiled bash under qemu-user, it crashes because sbrk() isn't working. Bash uses its own malloc implementation which relies on sbrk(), and when run under qemu, it can't allocate memory properly. + +Hmm, the user mentioned that disabling their internal malloc and using glibc's instead works fine. That suggests that the issue is with how sbrk() is handled in qemu. Since sbrk() is a system call used by malloc implementations to request more memory from the OS, this likely points towards a problem with syscalls under qemu. + +Looking at the history, the user also noted that bash had similar issues before when run directly but was fixed in the kernel. Now it's only an issue under qemu. That implies that qemu isn't handling sbrk() correctly for PIE binaries or in some other way related to how it emulates the system calls. + +So, considering the options: instruction would relate to a specific CPU instruction being incorrect, which doesn't seem to be the case here. The problem is more about the environment or how syscalls are handled. Runtime errors are broader but since sbrk() is a syscall, the issue is specifically with how qemu handles that particular system call. + +Therefore, this bug is related to a syscall error in qemu. +</think> + +The bug report describes an issue where `sbrk()` does not function correctly under `qemu-user` when running a PIE-compiled binary. Since `sbrk()` is a system call used by the memory allocation functions, the problem lies within how `qemu-user` handles this specific system call. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1763536 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1763536 new file mode 100644 index 000000000..ac721f94e --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1763536 @@ -0,0 +1,57 @@ +<think> +Okay, so I need to figure out what category this bug falls into. The user is having issues when building Go code inside a Docker container using qemu-ppc64le-static. The problem occurs when running multi-threaded commands like 'go build', which sometimes hang or result in segfaults. + +Let me break down the information provided: + +1. **Environment**: They're using QEMU for ppc64le architecture, built statically and run within a Docker container. The host is an Intel i7 with multiple cores. + +2. **Steps to Reproduce**: + - Built QEMU as static. + - Created a Go project with a simple 'hello.go'. + - Used a Dockerfile to set up the environment. + - When running 'go build', it fails with segfaults or hangs, but works when using single-threaded mode. + +3. **Error Details**: + - The error involves SIGSEGV (segmentation violation) in Go's runtime. + - Specifically mentions issues during runtime execution and panic due to unexpected signals. + - It also references 'runtime.stopm' which is related to thread management in Go. + +4. **Observations**: + - Single-threaded builds work fine, implying that the issue arises with concurrency. + - Similar problems have been reported with multi-threaded apps under QEMU. + +Now, considering possible categories: + +- **Instruction**: Faulty instructions. But the error seems more systemic than a specific instruction failure. +- **Syscall**: Errors related to system calls. The issue involves syscalls (like Syscall6) and segmentation faults, which could be syscall-related. +- **Runtime**: Other runtime errors. Since it's happening in Go's runtime during multi-threaded execution. + +The error occurs when the Go runtime is handling concurrency, specifically in 'runtime.stopm', which suggests it's a problem within the Go runtime itself or how QEMU emulates the environment for concurrent processes. + +But considering the user thinks it might not be a Go issue and relates to QEMU running multi-threaded apps, perhaps it's more about how QEMU handles syscalls or concurrency. However, the error message points to Go's runtime stack with Syscall6, suggesting a problem during system calls made by the Go process. + +Alternatively, since the problem occurs under QEMU when multiple threads are involved, maybe it's an issue with how QEMU emulates the ppc64le architecture for syscalls in multi-threaded contexts. But the error message specifically points to Go's runtime, which makes me think it might be a runtime issue rather than a syscall or instruction problem. + +However, given that similar issues are reported with other applications under QEMU, and considering the environment is emulated, perhaps it's more about how syscalls are handled in QEMU when multiple threads are involved. But I'm not entirely sure if this falls under 'syscall' category since the issue arises within Go's runtime. + +But looking back at the possible categories: instruction, syscall, runtime. Since the error occurs during a system call (Syscall6) and involves concurrency which can complicate system calls in an emulated environment, it might be related to syscalls not handling multi-threading correctly under QEMU. + +However, since the user is using Go and the issue arises within Go's runtime when building, perhaps it's more about how the runtime interacts with the emulated environment. But given that other applications have similar issues, I think it points towards a problem in QEMU's handling of syscalls or concurrency. + +Wait, but the user says they built qemu from upstream master and see the same issue on arm64 as well. So maybe it's a more general QEMU issue with multi-threaded apps across different architectures. + +But for classification purposes, the error is in Go's runtime stack during a syscall, so perhaps it's under 'syscall'. Alternatively, if it's an internal Go runtime issue triggered by QEMU's environment, it might be 'runtime'. + +But given that similar issues are reported against QEMU with multi-threaded applications, I think it's more about how syscalls or concurrency is handled in the emulated environment. So perhaps it's a 'syscall' issue. + +However, since the error message mentions unexpected signals during runtime execution and panic in the Go runtime, maybe it's better classified under 'runtime'. + +But I'm not entirely certain. Maybe looking at other bug reports: issues with segfaults and concurrency often point to problems in how the emulator handles system calls or threading. Alternatively, if it's Go-specific, then it's a runtime issue. + +In this case, since the problem occurs when using multi-threaded Go builds under QEMU, and the error is during a syscall (Syscall6), I think it's more likely related to 'syscall' handling in the emulator. +</think> + +The bug report involves issues with syscalls failing in a multi-threaded environment within QEMU. The segmentation fault occurs during a system call, suggesting problems with how QEMU handles syscalls when multiple threads are involved. + +**Answer:** +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1770 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1770 new file mode 100644 index 000000000..05f07586c --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1770 @@ -0,0 +1,13 @@ +<think> +Okay, so I need to classify this bug report about QEMU and epoll_events. Let me read through it carefully. + +The problem is that when using cmake automoc with Qt5 support, the build process freezes during "Automatic MOC". The issue is traced back to the structure of epoll_event not being correctly packed for the or1k (OpenRISC) target in QEMU. + +Looking at the provided patch, they modified the syscall_defs.h file. They added TARGET_OPENRISC to a condition that defines whether TARGET_EPOLL_PACKED should be QEMU_PACKED. This suggests it's related to how epoll_events are handled on this specific architecture. + +Epoll is a system call used for I/O multiplexing, so issues with its structures would fall under syscalls. The problem arises because the structure isn't packed as expected on OpenRISC, causing an infinite loop when trying to process events. + +Since this issue is about how the epoll syscall's data structures are handled in QEMU, it's a syscall-related bug. The problem doesn't seem to involve faulty instructions directly or runtime errors unrelated to system calls. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1776478 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1776478 new file mode 100644 index 000000000..462be0d54 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1776478 @@ -0,0 +1,23 @@ +<think> +Okay, so I'm looking at this bug report from someone who's part of the Zynthian team. They're trying to cross-compile LV2 audio plugins using qemu-arm-static and running into an issue when compiling DISTRHO-Ports. The error they get is about a failed assertion in pthread_mutex_lock and then QEMU catching signal 6 (which I think is SIGABRT, meaning the program aborted). + +First, I need to figure out what category this bug falls under. The options are instruction, syscall, or runtime. Let me break down the problem. + +The error message mentions that the assertion `mutex->__data.__owner == 0` failed in pthread_mutex_lock. That suggests there's an issue with thread synchronization—specifically, a mutex being locked by someone else when it shouldn't be. This is happening inside the lv2_ttl_generator tool when it tries to process TAL-Filter-2.so. + +Now, the user mentioned that this works fine on a Raspberry Pi which is armv7 but fails in qemu-arm-static. So maybe there's something different about how QEMU handles pthread mutexes compared to native execution. + +Looking at the backtrace or error logs would help, but they're not provided here. However, since the problem occurs during cross-compilation with QEMU, it could be related to how QEMU emulates certain system calls or threading primitives. + +The fact that it's a pthread_mutex issue makes me think about syscalls related to threading. Mutex operations involve system calls for managing threads and synchronization. If QEMU isn't correctly handling these syscalls in the emulation, it might lead to such assertion failures. + +Alternatively, maybe there's an issue with how the cross-compiled binary interacts with the host's pthread implementation when run under QEMU. But I'm not sure if that would cause a signal 6 or just some incorrect behavior. + +Another angle: Maybe the problem is in how the lv2_ttl_generator uses threads. If it expects certain threading behaviors that aren't being properly emulated by QEMU, that could trigger this error. + +Considering all this, the issue seems to be related to system calls, specifically those involved with pthread mutex operations. Since the assertion failure is within a function called from the generator script, and it's happening when running under QEMU, I'd categorize this as a syscall-related problem. +</think> + +The bug involves an assertion failure in a pthread_mutex_lock function while using QEMU for cross-compilation. This suggests issues with system calls related to threading. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1785203 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1785203 new file mode 100644 index 000000000..2ca1ee8c2 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1785203 @@ -0,0 +1,17 @@ +<think> +Okay, so I'm looking at this bug report for QEMU-riscv64 version 2.12.93. The issue arises when the program calls mincore() with an invalid pointer, which leads to a crash in QEMU. + +The error message points to a failed assertion in translate-all.c: page_check_range. The specific condition is that 'start' must be less than (target_ulong)1 shifted left by L1_MAP_ADDR_SPACE_BITS. It seems like the start value being passed is too large, beyond what's allowed. + +Looking at the test case provided, it calls mincore with an address 0x00000010000000000 and a length of 1. This address might be out of bounds for QEMU's memory mapping, causing the assertion failure. + +The backtrace shows that the crash occurs when accessing memory in page_check_range, which is part of the TCG (Translation-Cache-Generator) acceleration code. The function access_ok is checking if the address range is valid before allowing access. Since mincore is trying to access an invalid or out-of-bounds address, this causes the assertion. + +Now, classifying this bug: it's related to handling a system call (mincore) incorrectly within QEMU. Specifically, when a syscall with invalid parameters is made, QEMU doesn't handle it gracefully and crashes instead of perhaps returning an error or ignoring the invalid request. + +So, this seems like a 'syscall' issue because it's directly tied to how QEMU processes mincore system calls, especially with invalid pointers. +</think> + +The bug occurs when handling an invalid pointer in a syscall (mincore), causing QEMU to crash. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1791763 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1791763 new file mode 100644 index 000000000..65d8eebe2 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1791763 @@ -0,0 +1,11 @@ +<think> +Okay, so I'm trying to classify this bug report about the Nios2 user-mode emulation in QEMU. Let me read through the problem again. + +The issue is with signal handling not working properly. The user mentions that parts were copied from the Linux kernel but weren't adjusted for host and target data types or address spaces. Also, there's a problem with sigaltstack returning EINVAL because of incorrect struct order. + +Looking at the categories: instruction, syscall, runtime. + +This doesn't seem to be an issue with a specific instruction being faulty. It's more about how system calls are handled. The problems described are related to system calls like sigaltstack not working correctly because of structural issues in the code. So, it's likely a syscall category issue. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1791796 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1791796 new file mode 100644 index 000000000..7c492e108 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1791796 @@ -0,0 +1,19 @@ +<think> +Okay, I'm trying to classify this bug report related to QEMU. The user provided some output logs and mentioned that certain system calls like set_robust_list and clone are reported as unimplemented. They also linked to another bug about signal syscalls. + +First, I'll look at the logs. It seems there are multiple lines showing that set_robust_list is returning an error (errno 38), which means it's not implemented. Similarly, clone is mentioned but perhaps in a different context. The user notes that these issues were reported separately under a QEMU bug. + +Now, considering the categories given: instruction, syscall, runtime. + +- Instruction would involve issues with specific CPU instructions. +- Syscall relates to system call errors. +- Runtime covers other runtime errors not related to instructions or syscalls. + +In this case, the issue is about certain system calls (set_robust_list and clone) being unimplemented, which means they're not handled correctly by QEMU. So these are syscall-related problems because they involve the interaction between user-space programs and the kernel through system calls. + +Therefore, the category should be 'syscall'. +</think> + +The bug report involves errors with specific system calls (set_robust_list and clone) being unimplemented in QEMU, indicating issues related to system call handling. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1813307 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1813307 new file mode 100644 index 000000000..081d4208f --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1813307 @@ -0,0 +1,9 @@ +<think> +Alright, let's see what this bug report is about. The user is saying that when they try to run gdbserver under qemu, it fails inside __getcwd because of an issue with how "/" is handled. Specifically, when lstat is called on "/", qemu's follow_path function returns QEMU_LD_PREFIX instead of "/". This causes a problem because subsequent calls to lstat("..") eventually reach the real device root, leading to inconsistency. + +I need to classify this bug into one of the given categories: instruction, syscall, or runtime. The issue seems related to how paths are resolved, particularly when dealing with the root directory. Since it's about handling a system call (lstat) and its behavior within QEMU, I think it falls under the 'syscall' category. +</think> + +The bug report discusses an issue with how the `follow_path()` function in QEMU handles the root directory "/". It results from incorrect mapping during system calls like `lstat`, causing inconsistencies. This is related to how syscalls are handled. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1821006 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1821006 new file mode 100644 index 000000000..d3fad324f --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1821006 @@ -0,0 +1,15 @@ +<think> +Alright, let's try to figure out this problem step by step. So, the user is encountering an issue when trying to build a Docker image for ARM architecture using QEMU. The error message they're getting is "qemu: Unsupported syscall: 382". + +First, I need to understand what each part of their setup means. They're using `docker build` with `--build-arg ARCH=arm32v7`, which suggests they're targeting an ARM v7 architecture. The Dockerfile uses a multi-stage build, starting from an arm32v7 Debian image and installing some dependencies. + +Looking at the error message, "Unsupported syscall: 382" indicates that QEMU is encountering a system call it doesn't recognize. System calls are how user-space programs interact with the kernel. If QEMU doesn't support this particular syscall (number 382), that's likely the root of the issue. + +The user provided their binfmt configuration file, which seems correctly set up for ARM static binaries using `/usr/bin/qemu-arm-static`. The bug report link they included points to Debian bug #923479, which discusses QEMU encountering unsupported syscalls. + +I recall that different CPU architectures have different system calls. Since the Docker build is for an arm32v7 image, the host (likely x86_64) uses QEMU to emulate this environment. However, if the host's QEMU version doesn't support all the necessary syscalls required by the ARM binary being executed during the Docker build, it would throw this error. + +The possible categories given are instruction, syscall, and runtime. The error is explicitly about a syscall not being supported, so it falls under the 'syscall' category. This isn't an issue with an instruction or a runtime error in general but specifically a problem with handling a particular system call. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1857811 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1857811 new file mode 100644 index 000000000..c3e96960a --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1857811 @@ -0,0 +1,23 @@ +<think> +Alright, so I need to figure out how to classify this bug report related to QEMU. The user mentioned that when they run 'emerge' in a Gentoo Linux environment using 'qemu-aarch64 chroot', they get an error: "Unable to configure loopback interface: Operation not supported." They also noted that if they disable emerge's network-sandbox, which uses network namespaces, the error goes away. + +Okay, so first, I should break down what each part means. 'emerge' is Gentoo's package manager, and it sometimes uses a feature called network-sandbox to isolate builds in a network namespace. This helps prevent build scripts from accessing the internet or other resources unintentionally. + +The problem occurs when they enable this feature, which suggests that the issue is related to how QEMU handles network namespaces within its environment. The error message specifically mentions the loopback interface failing to configure. Loopback interfaces are used for communication between different parts of a system, so if it's not working, it can cause various networking issues. + +Now, looking at the possible categories: instruction, syscall, runtime. I need to determine which one fits this scenario. + +- **Instruction**: This would involve incorrect commands or instructions given by the user that lead to an error. But in this case, the user is executing standard emerge commands, so it's not about faulty instructions. + +- **Syscall**: This relates to system calls made by the application. The loopback interface setup likely involves syscalls like socket(), bind(), etc. If QEMU doesn't support network namespaces properly, perhaps certain syscalls aren't being handled correctly in that context. + +- **Runtime**: This would be other runtime errors not related to instructions or syscalls. However, since the error is about a specific operation (configuring loopback) failing, it's more likely tied to how QEMU handles system calls in its environment when network namespaces are involved. + +So, putting it together: The issue arises because emerge uses network namespaces, and QEMU doesn't support this feature for the aarch64 chroot. This leads to problems during runtime when certain syscalls related to networking (like setting up loopback) aren't supported or handled correctly by QEMU in that environment. + +Therefore, the bug is likely a **syscall** issue because it's about how system calls within network namespaces are not being properly managed by QEMU. +</think> + +The problem arises from how QEMU handles system calls related to networking when using network namespaces. The loopback interface setup fails because QEMU lacks support for network namespaces in this context, leading to the error during runtime. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1858461 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1858461 new file mode 100644 index 000000000..d794173aa --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1858461 @@ -0,0 +1,13 @@ +<think> +Alright, I need to figure out what category this bug report falls into. The user mentioned they added a new syscall (number 436) to QEMU but received ENOSYS from their MIPS application. They provided details about modifying `cpu_loop.c` by adding an entry for `sys_getdents64_x32`. + +They also showed the code where `syscall_num` is calculated and checked against `sizeof(mips_syscall_args)`, which returns -TARGET_ENOSYS if it's out of bounds. The user noticed that the MIPS implementation differs from ARM, suggesting a need for refactoring to match how ARM handles syscalls with its own base. + +The issue here is clearly related to handling system calls correctly in QEMU for MIPS. The problem arises when adding a new syscall, which isn't being recognized properly, leading to ENOSYS errors. This points to an error within the system call handling mechanism rather than an instruction or runtime error unrelated to syscalls. + +So, this bug is about how the system calls are managed and processed in QEMU for MIPS architecture, hence it's a syscall-related issue. +</think> + +The bug report discusses issues with adding a new syscall and receiving ENOSYS errors. It involves modifying `cpu_loop.c` and comparing it to ARM's implementation. The problem lies in handling syscalls, not instructions or runtime errors unrelated to syscalls. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1860053 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1860053 new file mode 100644 index 000000000..9d41a4163 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1860053 @@ -0,0 +1,21 @@ +<think> +Okay, I need to classify this bug report into one of the given categories: instruction, syscall, or runtime. Let me read through the report carefully. + +The issue is about time functions malfunctioning when using QEMU's ppc64le emulator in user mode. Specifically, Go's time.NewTicker() and time.Sleep() aren't working correctly—they revert to 1-second intervals instead of the intended shorter durations. This problem started after Go switched to using vDSO for clock_gettime on PowerPC64 in version 1.12. + +From what I understand, the issue doesn't occur when running on actual hardware or with other architectures emulated by QEMU. It's specific to ppc64le and happens only when using the vDSO path. The problem arises because Go changed how it calls clock_gettime—now using vDSO instead of syscalls. + +So, the problem seems related to how QEMU is handling vDSO calls for clock_gettime on ppc64le. Since the issue doesn't occur with actual hardware or when using syscalls (which are different from vDSO), it points towards an emulation bug in QEMU's user-mode for this specific architecture. + +The categories given are instruction, syscall, and runtime. The issue is about system call handling via vDSO, which is a type of optimized call that doesn't go through the standard syscall mechanism. However, since vDSO is related to how syscalls are handled in userspace, it's likely a syscall category issue. + +Therefore, I think this bug should be classified under 'syscall' because it relates to the handling of clock_gettime calls via vDSO in user-mode emulation. +</think> + +The problem occurs during the handling of clock_gettime via vDSO, which is related to system call handling. Therefore, the appropriate classification is: + +**syscal** + +But since the options are instruction, syscall, or runtime, and this issue relates to how syscalls (specifically through vDSO) are handled in QEMU's user-mode emulation, it falls under 'syscall'. + +**syscall** \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1861341 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1861341 new file mode 100644 index 000000000..9c4e877c9 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1861341 @@ -0,0 +1,13 @@ +<think> +Okay, so I'm trying to figure out what category this bug falls into. The user reported that when they run QEMU via Flatpak for ARM images on an x86_64 system, they get an "Unknown syscall 397" error. They mentioned that statx is involved because of the syscall number. + +First, I need to understand what's happening here. The user is using Flatpak to install and run KDE SDK and Platform for ARM on their x86_64 machine. When they try to run qmake inside the SDK, QEMU throws an error about an unknown system call. This causes issues where qmake can't find .pro files or libraries. + +Looking at the categories provided: instruction, syscall, runtime. The user's problem is specifically about a syscall (number 397) that QEMU doesn't recognize. System calls are how user-space programs interact with the kernel. If the host system supports a syscall but QEMU doesn't emulate it properly for the target architecture, this error occurs. + +Since the Flatpak images were built for AARCH64 hardware and they're running on x86_64, there might be compatibility issues. The host kernel (4.19.86) supports more syscalls than what QEMU is emulating for ARM. In this case, statx is a newer syscall that's not properly handled by the version of QEMU being used. + +So, the bug isn't about an incorrect instruction or a runtime error in general. It's specifically because the system call isn't recognized by QEMU when translating it from AARCH64 to x86_64. This points directly to a syscall-related issue within QEMU. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1876373 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1876373 new file mode 100644 index 000000000..56c34d998 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1876373 @@ -0,0 +1,15 @@ +<think> +Okay, so I need to classify this bug report into one of three categories: instruction, syscall, or runtime. Let's break down what's happening here. + +The user is describing a segfault that occurs when a program uses the mremap function within QEMU. The program works fine when run natively on an x86_64 system but crashes in QEMU for i386 and arm targets. They've also noted that changing the size to something else like 12288 prevents the segfault, which suggests it's specific to shrinking to exactly 4096 bytes. + +Looking at the code provided, the program uses mmap to allocate a buffer of 8192 bytes and then calls mremap to shrink it to 4096. The problem occurs during the mremap call in QEMU but not natively or when using a different size. This indicates that it's related to how QEMU handles this particular system call. + +The issue is specifically happening within the mremap syscall, as confirmed by debugging with qemu's -singlestep option. So the bug isn't about an incorrect instruction being executed or some runtime error unrelated to the OS; it's directly tied to how QEMU processes this system call. + +Therefore, this falls under the "syscall" category because it's related to the handling of a specific system call (mremap) within the emulator. +</think> + +The bug is related to how QEMU handles the mremap syscall, leading to a segfault in certain conditions. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1884719 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1884719 new file mode 100644 index 000000000..d49e40e8e --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1884719 @@ -0,0 +1,24 @@ +<think> +Alright, let me try to figure out how to classify this bug report. The user is experiencing an issue where they're getting "Function not implemented" errors when using the Linux libaio library within a Docker container that's emulating an aarch64 architecture via QEMU. + +Looking at the steps provided: + +1. They set up QEMU for static binaries. +2. Run a Docker image with arm64v8/centos:8. +3. Install GCC and libaio inside the container. +4. Compile a simple C program that uses libaio functions. + +The problem occurs when running this program in the emulated environment, where it returns res = -38 (ENOSYS), which means the function isn't implemented. However, it works fine on native aarch64 and x86_64 without emulation. + +I know that ENOSYS is returned when a system call isn't implemented by the kernel. So, in this case, the QEMU user-mode emulation might not be handling some syscalls correctly for the arm64 architecture. + +The user tried using strace but got similar errors about ptrace functions not being implemented. This suggests that certain syscalls are missing or not properly handled in the emulated environment. + +So, the issue revolves around system calls not being implemented when running under QEMU's emulation, specifically for libaio which relies on specific syscalls like io_queue_init. Therefore, this seems to be a problem related to how QEMU handles these particular syscalls during emulation. + +Thus, the category should be "syscall" because it's an error occurring with system calls in the emulated environment. +</think> + +The bug report involves issues with system calls not being implemented correctly under QEMU's user-mode emulation. The ENOSYS error indicates that certain syscalls aren't handled, which is related to how QEMU processes these calls for different architectures. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1893010 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1893010 new file mode 100644 index 000000000..f58babe0b --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1893010 @@ -0,0 +1,17 @@ +<think> +Okay, so I'm trying to classify this bug report about QEMU not supporting OFD fcntl locks. Let me break it down step by step. + +First, the user is using Gentoo with the latest QEMU version 5.0.0-r2. They're emulating ppc64 and s390x on an x86_64 machine. The issue arises when they try to use Open File Description (OFD) locks, which are part of the fcntl system calls. + +The error message mentions that attempting to use these OFD locks results in EINVAL, which is a common error indicating an invalid argument. Looking into the QEMU source code, specifically in linux-user/syscall.c, they suspect that the problem lies in the target_to_host_fcntl_cmd function. This function probably translates the target system call commands (from the emulated architecture) to the host's equivalents. + +In this case, the switch statement within that function doesn't handle F_OFD_SETLK, F_OFD_SETLKW, or F_OFD_GETLK. These are specific fcntl commands related to OFD locks. Since these cases aren't handled, any attempt to use them would fall into the default clause of the switch, leading to EINVAL because there's no valid translation for these commands. + +Now, considering the categories provided: instruction, syscall, runtime. The issue is about how QEMU handles certain system calls—specifically, fcntl with OFD locks. It's not an error in executing a particular instruction but rather in processing the system call correctly. So this points towards a syscall-related bug. + +I don't think it's an instruction-level problem because the error isn't about misinterpreting machine code but about handling a specific type of system call. It also doesn't seem like a runtime error that occurs during normal execution, such as memory issues or crashes, since it's specifically tied to the handling of fcntl commands. + +Therefore, the bug falls under the syscall category because it involves incorrect processing of a system call by QEMU. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1894361 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1894361 new file mode 100644 index 000000000..0568b03f6 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1894361 @@ -0,0 +1,20 @@ +<think> +Okay, I'm trying to figure out how to classify this bug report about QEMU. The issue mentions that the `syscall.c` file lacks the `pselect6_time64` function. In commit 50efc6958638..., they removed the legacy `pselect6` definition for riscv32 and switched to using `pselect6_time64`. However, it seems that `pselect6_time64` isn't present in `syscall.c`, which means the riscv32 architecture is missing the `pselect` syscall. + +So I need to categorize this bug into one of three categories: instruction, syscall, or runtime. + +The problem here is specifically about a system call (`pselect`) not being correctly implemented due to a missing function in the codebase. The user points out that `pselect6_time64` isn't available, which affects the availability of `pselect` on riscv32 systems. This directly relates to how system calls are handled in QEMU. + +Looking at the categories: +- Instruction: Relates to processor instructions or assembly code issues. +- Syscall: Involves problems with system calls and their handling. +- Runtime: Other runtime errors not covered by the above. + +Since this is about a missing system call implementation, it falls under the 'syscall' category. The issue isn't about an instruction error or a runtime crash but rather the absence of a necessary syscall definition leading to functionality issues on riscv32. +</think> + +The bug report discusses the absence of a specific system call (`pselect6_time64`) in QEMU's `syscall.c` file, causing the `pselect` syscall to be unavailable for riscv32. This is an issue with how system calls are handled. + +**Answer:** + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1906193 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1906193 new file mode 100644 index 000000000..38a126a2a --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1906193 @@ -0,0 +1,18 @@ +<think> +Okay, I need to figure out how to classify this bug report about QEMU. The issue is that when running a program on riscv32 user mode emulation under x86_64 using QEMU's master branch, the fork system call returns an incorrect exit status. Specifically, the child process exits with 42, but the parent receives 40. + +First, I'll look at the code provided. The program forks a child process which exits with 42. The parent waits for this child and checks the exit status using wait(). It then prints out that it received 40 instead of 42. This discrepancy suggests something is wrong in how the exit status is handled during or after the fork. + +The problem occurs in an emulation environment, specifically riscv32 in a chroot on x86_64. The user compiled with gcc-10.2 and provided versions for gcc and ld. Since the issue arises when using QEMU's emulator, it's likely related to how QEMU handles system calls or process management in this context. + +Considering possible categories: instruction, syscall, runtime. The problem isn't about a faulty CPU instruction but rather how a system call (fork/wait) is handled. It's also not an error during runtime that's unrelated to specific operations; it's tied directly to the handling of the fork and wait syscalls. + +So, this seems like a syscall-related issue because the exit status from the child isn't being correctly communicated back to the parent through QEMU's emulation. Therefore, the category should be 'syscall'. +</think> + +The bug is related to how system calls are handled in QEMU's riscv32 user mode emulation. The fork and wait syscalls aren't correctly passing the exit status between processes. + +sys +call + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/1926996 b/results/classifier/deepseek-r1:32b/reasoning/syscall/1926996 new file mode 100644 index 000000000..f72fff3e1 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/1926996 @@ -0,0 +1,22 @@ +<think> +Okay, I need to classify this bug report into one of three categories: instruction, syscall, or runtime. Let's look at the problem described. + +The issue is that when running clone_test.c under qemu-aarch64-static, the clone() system call returns -1 with the error "Invalid argument". When run natively, it works correctly, so the problem must be in how qemu handles the clone syscall. + +In the bug report, the user provided output showing the native execution works fine. Under QEMU, the clone call fails. Since clone is a system call that requires proper emulation, including setting up child processes and handling flags correctly, this points towards an issue with how QEMU implements or emulates this specific syscall. + +Looking at the categories: + +- **Instruction**: This would be about faulty CPU instructions, but the problem here isn't related to executing an instruction; it's a system call failure. +- **Syscall**: The clone() function is a system call. If QEMU doesn't handle it correctly (maybe incorrect flags or return values), this fits. +- **Runtime**: Other runtime errors not related to syscalls or instructions, like memory management issues. + +Since the problem directly relates to handling the clone() syscall returning an error that suggests an invalid argument, and since QEMU's job includes emulating system calls accurately, the category is likely 'syscall'. + +So the classification should be 'syscall'. +</think> + +The bug report describes a failure in the `clone()` system call when run under QEMU, indicating an issue with how this specific syscall is handled. Therefore, it falls under the 'syscall' category. + +**Answer:** +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2112 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2112 new file mode 100644 index 000000000..57d6e6332 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2112 @@ -0,0 +1,21 @@ +<think> +Okay, so I need to figure out how to classify this bug report. The user is having an issue with QEMU's user mode when using the clone syscall on MIPS architecture. Let me break it down step by step. + +First, the problem description says that when they use the clone system call with certain flags in their MIPS program, they get an error: errno=22 (Invalid argument). They've traced this to QEMU checking if all the flags are present as per CLONE_THREAD_FLAGS. If not, it returns an error. + +Looking at the code snippet they provided from QEMU's syscall.c file around line 6564, it seems that QEMU expects specific flags for clone. The current CLONE_THREAD_FLAGS include several options: CLONE_VM, CLONE_FS, CLONE_FILES, CLONE_SIGHAND, CLONE_THREAD, and CLONE_SYSVSEM. + +In their program, the flags used are only CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND. This doesn't include CLONE_THREAD or CLONE_SYSVSEM, which might be causing QEMU to throw an error because it expects all these flags to be present when using clone in a certain way. + +The user is asking if there's a way to make QEMU accept just their set of flags without altering the program's behavior. Alternatively, they want to know how to enable proper support for the MIPS clone syscall in QEMU. + +Now, considering the categories: instruction, syscall, runtime. + +- Instruction issues are about incorrect handling of specific CPU instructions. +- Syscall issues relate to problems with system calls, like this case where clone isn't handled correctly. +- Runtime issues are other runtime errors not related to instructions or syscalls. + +Since the problem is specifically about how QEMU handles the clone syscall and its flags, it falls under the syscall category. The error occurs when making a system call, and the issue is in how that call is processed by QEMU. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2123 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2123 new file mode 100644 index 000000000..d6d445de0 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2123 @@ -0,0 +1,19 @@ +<think> +Okay, I'm trying to figure out how to classify this bug report for QEMU. So, let's break down what's happening here. + +The user provided a Rust program that attempts to spawn a subprocess using a command that doesn't exist. Normally, when you run this program directly on the host system (without QEMU), it correctly returns an error because the command isn't found. However, when running under QEMU, instead of getting an error, the program successfully spawns a process and prints its ID. + +Hmm, so what's different here? When using QEMU, especially for emulating a different architecture like aarch64, it sets up a virtualized environment. Maybe QEMU is intercepting or modifying system calls in a way that affects how processes are spawned. + +In the Rust code, `Command::new("thisdoesnotexist").spawn()` is used. On a normal system, this should return an error because the command isn't found. But under QEMU, it seems like the spawn is successful, which shouldn't happen. + +So why would QEMU allow spawning a non-existent command? It might be that QEMU's emulation of certain syscalls isn't handling errors correctly. For example, when `execve` (the syscall used to execute a new program) is called with a non-existent binary, it should return an error. If QEMU isn't properly checking or returning the correct error for this syscall, then the spawn might incorrectly succeed. + +This points towards a problem with how syscalls are handled in QEMU. The incorrect behavior suggests that there's an issue with the emulation of system calls related to process creation, specifically when the executable doesn't exist. Therefore, the bug is likely in the way QEMU handles these syscalls, leading to this unexpected success. + +So, classifying this, it seems to be a syscall error because the problem arises from how QEMU processes the `execve` syscall or similar ones. The process spawning should fail but doesn't under QEMU's environment, indicating a flaw in the syscall handling. +</think> + +The bug is related to incorrect handling of system calls when emulating an environment under QEMU, specifically when attempting to execute a non-existent command. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2168 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2168 new file mode 100644 index 000000000..b4ad92176 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2168 @@ -0,0 +1,19 @@ +<think> +Okay, so I'm looking at this bug report where running `grep` inside a Gentoo chroot using qemu-x86_64 on an arm64 host causes a segmentation fault. The user provided some output and a GDB backtrace to help figure out what's going on. + +First, I need to understand the problem. They unpacked an x86_64 chroot environment and then tried running `grep` using qemu as an emulator. When they do this with QEMU versions 8.x.x, it segfaults, but not with 7.x.x. So something changed between these versions that's causing the issue. + +Looking at the output from running the command, it says there's a SIGSEGV with code MAPERR and address 0x20. That suggests a memory access error, specifically trying to map a region that's invalid or not accessible. + +The GDB backtrace shows the crash happening in `open_self_maps_2` within syscall.c at line 8089. The function is part of handling syscalls related to opening files, especially `/proc/self/maps`, which is used for mapping memory regions. It looks like it's trying to access some guest memory that isn't properly mapped or has an incorrect address. + +The backtrace goes through several functions: `walk_memory_regions` in user-exec.c and then into `open_self_maps_1` again in syscall.c, leading up to `do_guest_openat`. So the issue seems tied to how QEMU is handling file operations within the emulated environment, particularly when dealing with memory maps. + +Since the problem occurs during a system call (`sys_openat`), it's likely related to how QEMU translates or handles syscalls from the guest OS on the host. The fact that it works in 7.x.x but not 8.x.x suggests there might have been changes in the syscall handling between these versions. + +Considering the categories provided—instruction, syscall, runtime—the issue is happening during a system call execution within QEMU. Therefore, this bug falls under the "syscall" category because it's an error that occurs when processing a system call from the guest OS. +</think> + +The bug involves a segmentation fault occurring during a system call within the QEMU emulator, specifically related to file operations and memory mapping. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2170 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2170 new file mode 100644 index 000000000..0adc7d87d --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2170 @@ -0,0 +1,21 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about QEMU crashing when an application calls pthread_getattr_np(). Let me go through the information provided step by step. + +First, the problem occurs when running a specific program under QEMU's user emulation. The program is using pthread_getattr_np(), which is a non-portable (GNU) extension to get thread attributes. When this function is called, QEMU crashes with a segmentation fault, specifically SIGSEGV at address 0x20. + +Looking at the backtrace from GDB, it shows that the crash happens in several functions within QEMU's codebase. The stack trace goes through functions like open_self_maps_2, walk_memory_regions, and eventually into do_syscall1 and do_syscall. These function names suggest that the issue is related to system calls being handled by QEMU. + +The user also mentioned that this bug was introduced after a rewrite of the `open_self_maps` function in commit 7b7a3366e142d3baeb3fd1d3660a50e7956c19eb. That indicates that there's something wrong with how QEMU is handling this specific system call or related memory operations. + +Now, considering the possible categories: instruction, syscall, runtime. + +- **Instruction**: This would be if the issue was caused by a faulty CPU instruction. But here, the problem arises from a system call, not directly from an executed instruction. + +- **Syscall**: Since the crash happens during a system call handling in QEMU, specifically when opening `/proc/self/maps`, which is part of process memory management. The error seems to stem from how QEMU processes this syscall, leading to invalid memory access. + +- **Runtime**: This would cover other runtime errors not related to instructions or syscalls, but given the stack trace points directly to system call handling functions, it's more specific than a general runtime issue. + +Therefore, the bug is likely related to how QEMU handles a particular system call, which fits into the "syscall" category. The crash occurs during the processing of an openat system call (as seen in do_guest_openat), leading to invalid memory access and segmentation fault. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2197 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2197 new file mode 100644 index 000000000..8e7fffe14 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2197 @@ -0,0 +1,18 @@ +<think> +Okay, so I need to classify this bug report into one of three categories: instruction, syscall, or runtime. Let me think through each part carefully. + +The problem is about QEMU's user space emulator handling the setsockopt() system call incorrectly when optlen is 0. The user provided a code snippet that calls setsockopt with NULL and 0 as parameters for ALG_SET_KEY. On real Linux, this works fine, but in QEMU, it returns ENOMEM. + +Looking at the categories: + +1. Instruction: This would involve issues with specific CPU instructions or assembly-level problems. But here, the issue is about a system call handling, not low-level instruction execution. +2. Syscall: This category involves errors when dealing with system calls. The problem clearly relates to how QEMU processes the setsockopt() call, so this seems relevant. +3. Runtime: Errors that occur during runtime but aren't tied directly to a specific system call or instruction. Since the issue is specifically about handling a syscall incorrectly, this might not fit. + +The bug report mentions that the emulator intercepts the syscall and returns an incorrect error. This points towards a problem in how QEMU handles system calls, particularly setsockopt(). Therefore, the most appropriate category here is 'syscall'. +</think> + +The bug relates to QEMU's handling of the `setsockopt()` system call, specifically when called with certain parameters. The issue arises during the processing of this syscall within the emulator. + +**Answer:** +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2309 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2309 new file mode 100644 index 000000000..9d3c6a936 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2309 @@ -0,0 +1,21 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report related to qemu-aarch64 hanging after an upgrade of libc6. Let's break it down step by step. + +First, from the description, when someone runs `cargo test` using `qemu-aarch64`, the process hangs with 100% CPU usage and doesn't respond to a Ctrl-C interrupt via GDB. This happens specifically after upgrading libc6 to version 2.36-9+deb12u6. It's important that the same binary runs fine on a real arm64 target with this upgraded libc, which suggests it's not an issue with the binary itself but something related to how QEMU is handling things. + +The steps to reproduce involve setting up a Rust project with a simple test, configuring the `.cargo/config.toml` to use `qemu-aarch64` as the runner. The problem occurs when running tests in this setup. + +Looking at possible categories: instruction, syscall, runtime. + +- **Instruction:** This would relate to a specific CPU instruction causing issues. But since it's hanging and not crashing with an error related to an unknown instruction, I don't think that's the case here. + +- **Syscall:** Could be related to how system calls are handled by QEMU. The upgrade in libc might change how syscalls are made or handled, potentially causing a deadlock or infinite loop in QEMU when emulating the environment. + +- **Runtime:** This is a broader category for other runtime errors not covered by instructions or syscalls. Since it's about the emulator hanging and high CPU usage, this could fall under runtime issues because it's how QEMU manages execution during testing. + +But considering that the issue arises with the upgraded libc version, which affects system calls, perhaps it's more specific to how QEMU handles certain syscalls when interacting with the new library. The fact that GDB can't interrupt suggests there might be a problem in handling signals or interrupts within QEMU, possibly related to how it processes syscalls. + +So I'm leaning towards **syscall** because the issue seems tied to how system calls are being handled after the libc upgrade, causing QEMU to get stuck. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2390 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2390 new file mode 100644 index 000000000..a5b973331 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2390 @@ -0,0 +1,19 @@ +<think> +Okay, so I'm trying to classify this bug report about Qemu handling getsockopt incorrectly when the optval argument is NULL. Let me go through this step by step. + +First, the problem occurs when someone runs a program that calls getsockopt with a NULL optval on RISC-V Qemu. The program works fine on x64 Linux, returning 0 as expected, but on Qemu it fails with "Bad address." + +The user provided code where they create a socket and then call getsockopt with option_value set to NULL. They also mentioned that the man page for getsockopt allows optval to be NULL if no value is to be returned. So according to the documentation, passing NULL should be acceptable. + +Looking into Qemu's implementation of getsockopt in the provided link, I can see that they have a function that handles this syscall. The issue seems to be that Qemu isn't handling the NULL optval correctly. Instead of allowing it as per the man page, Qemu might be trying to dereference a NULL pointer or perform some operation that expects a valid address, leading to an error. + +The user also pointed out that the problem is in the Qemu code around line 2753 where there's an attempt to put_user* which probably fails when optval is NULL. This suggests that Qemu isn't properly checking if optval is NULL before using it, causing a bad address error. + +So, putting this all together: the issue arises because Qemu's implementation of getsockopt doesn't correctly handle the case where optval is NULL, leading to an incorrect "Bad address" error when it should just return success as per the man page. This indicates that there's a problem with how Qemu handles system calls, specifically getsockopt in this case. + +Therefore, the category for this bug report is a syscall issue because it relates to how Qemu processes and responds to the getsockopt system call. +</think> + +The bug report pertains to an incorrect handling of the `getsockopt` system call by QEMU when the `optval` parameter is `NULL`. This results in an error where QEMU incorrectly returns "Bad address" instead of behaving as per the man page, which allows `NULL` for `optval`. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2485 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2485 new file mode 100644 index 000000000..b9e77d08d --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2485 @@ -0,0 +1,22 @@ +<think> +Okay, I need to classify this bug report into one of the given categories: instruction, syscall, or runtime. Let me read through the problem description carefully. + +The issue occurs when running a C program that uses getifaddrs linked against musl libc on certain big-endian architectures (like m68k, ppc, etc.) using QEMU. The program hangs inside musl when run in QEMU but works fine on real hardware. + +Hmm, the problem seems to be related to how QEMU handles certain system calls or perhaps some issue with endianness affecting function execution. The program uses getifaddrs, which is a standard library function that relies on various syscalls and internal libc functions. + +I remember from the description that this has been an issue before in other contexts, like Gentoo bugs and musl mailing lists. It likely involves how QEMU emulates system calls for these architectures, especially since real hardware works fine. + +Now, looking at the categories: +- Instruction would involve a specific CPU instruction causing issues. +- Syscall relates to problems when making system calls. +- Runtime is for other runtime errors not related to instructions or syscalls. + +Since getifaddrs is a function that interacts with the kernel via syscalls (like ioctl, socket, etc.), and QEMU's handling of these might be problematic on big-endian targets, this sounds like a syscall issue. The program hangs inside musl libc, which suggests it's waiting for something related to system calls. + +So, I think the category should be 'syscall' because it involves issues with how system calls are being handled by QEMU on these architectures. +</think> + +The bug report describes an issue where running a program using getifaddrs in QEMU leads to a hang. This is likely due to problems handling system calls within QEMU for big-endian targets, pointing towards a syscall-related issue. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2504 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2504 new file mode 100644 index 000000000..154f6313a --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2504 @@ -0,0 +1,17 @@ +<think> +Okay, so I need to classify this bug report into one of three categories: instruction, syscall, or runtime. Let's see what the problem is. + +The user says that when they're on a LoongArch host and run 'chroot x86_64-rootfs' followed by 'ls', they get an error. They mention using qemu-x86_64 to run /bin/XX, which I think might be a typo for /bin/ls or something else in the rootfs. + +So, what's happening here? Chroot is used to switch the root directory of a process, so the program runs as if it were on that system. Since the host is LoongArch and the chrooted environment is x86_64, they're probably using QEMU to emulate the x86_64 architecture. + +The error occurs when running 'ls' inside this chroot. That suggests that maybe some system calls aren't being handled correctly by QEMU in this cross-architecture setup. System calls are how user-space programs communicate with the kernel, so if they're failing, it's likely a syscall issue. + +Another angle: could it be an instruction issue? Maybe some x86_64 instructions aren't properly emulated on LoongArch. But since 'ls' is a common command and the error happens during runtime after chrooting, it seems more like a systemic problem with how syscalls are being translated or handled by QEMU rather than individual instructions. + +Runtime errors could be anything else happening while running the program. But given that the issue arises specifically when making system calls (like opening directories for 'ls'), I think syscall is the right category here. +</think> + +The bug report describes an error occurring when executing a command within a chroot environment on a LoongArch host using QEMU for x86_64 emulation. The issue likely stems from improper handling of system calls between different architectures, leading to runtime errors during program execution. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2592 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2592 new file mode 100644 index 000000000..7c78666d6 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2592 @@ -0,0 +1,19 @@ +<think> +Alright, I'm trying to figure out how to classify this bug report related to QEMU. The user mentioned that when they run `time.time()` in Python using qemu-aarch64, it throws an OSError: [Errno 0] Error. They're certain it's a QEMU issue because the same build works on a physical aarch64 machine and doesn't have this problem with qemu-arm. + +First, I need to understand what `time.time()` does. It returns the current time in seconds since the epoch. Under the hood, Python uses system calls to get this information. So when running under QEMU, something might be going wrong with how these system calls are handled. + +The error message says OSError: [Errno 0] Error. Errno 0 is a bit unusual because it usually indicates a successful operation, but in this case, it's an error. That suggests that the underlying system call isn't behaving as expected when run through QEMU-aarch64. + +Looking at the possible categories: instruction, syscall, runtime. + +- Instruction issues would involve problems with specific CPU instructions not being emulated correctly. +- Syscall issues relate to how system calls are handled by the emulator. +- Runtime errors could be anything else happening during execution. + +Since `time.time()` is a Python function that uses the underlying system's `gettimeofday` or similar syscalls, this points towards a problem with how QEMU-aarch64 emulates these syscalls. The fact that it works correctly on real hardware and with qemu-arm indicates that the issue is specific to the aarch64 emulation in QEMU. + +Therefore, the bug is likely related to how QEMU handles certain system calls when running in aarch64 mode. This suggests it's a syscall-related issue. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/263 b/results/classifier/deepseek-r1:32b/reasoning/syscall/263 new file mode 100644 index 000000000..cdcb5ac8b --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/263 @@ -0,0 +1,19 @@ +<think> +Okay, so I need to classify this bug report about QEMU. The user says that readdir() returns NULL with errno=EOVERFLOW when running a 32-bit user-static QEMU on a 64-bit host. + +First, I'll try to understand what's happening here. QEMU is an emulator, and in this case, it's emulating a 32-bit environment on a 64-bit host system. The issue arises when using readdir(), which is a system call used to read directory entries. + +The error EOVERFLOW typically occurs when there's an overflow situation. In the context of readdir(), this might happen if the buffer provided by the application isn't large enough, or perhaps due to some mismatch in how directories are handled between 32-bit and 64-bit systems. + +Now, looking at the categories: instruction, syscall, runtime. + +- Instruction issues involve problems with specific CPU instructions. +- Syscall errors relate to system calls like read, write, open, etc., which interact directly with the kernel. +- Runtime errors are other issues that occur during execution but aren't tied to a specific instruction or system call. + +In this case, the problem is occurring when making a system call (readdir()), so it's likely a syscall issue. The EOVERFLOW suggests something went wrong in how the system call was handled by QEMU, perhaps related to how it translates 32-bit syscalls on a 64-bit host. + +I don't think it's an instruction-level problem because the error is specific to a system function and not tied directly to executing a particular CPU instruction. It also doesn't seem like a general runtime error since it's clearly linked to a system call failure. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/2825 b/results/classifier/deepseek-r1:32b/reasoning/syscall/2825 new file mode 100644 index 000000000..2335b30de --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/2825 @@ -0,0 +1,21 @@ +<think> +Okay, so I'm trying to classify this bug report as part of QEMU. The user mentioned that when using execveat with an empty filename and AT_EMPTY_PATH flag on different architectures like arm64, arm, riscv64, etc., it returns ENOENT (No such file or directory). However, for x86_64 and x86, it works fine. + +First, I need to understand what's happening here. execveat is a system call that allows executing a program from a file descriptor. The AT_EMPTY_PATH flag tells the kernel that the filename is empty, meaning the path comes from the file descriptor provided. On some architectures, this isn't working as expected. + +The user also mentioned using binfmt_misc which is used to register interpreters for different binary formats (like QEMU for running foreign binaries). When binfmt_misc is enabled, it allows these foreign binaries to run by translating them on-the-fly. + +Looking at the test cases: +- For x86_64 and x86, everything works fine when using execveat with AT_EMPTY_PATH. +- For other architectures (aarch64, riscv64), it fails with ENOENT when using AT_EMPTY_PATH but works if they use /proc/self/fd/%d as the pathname. + +The error seems to be happening in how the system call is handled for different architectures. Since execveat is a syscall and this behavior varies across architectures, especially when using QEMU's binfmt_misc setup, it points towards an issue with how the system handles foreign binaries or specific syscalls under QEMU. + +The possible categories given are instruction, syscall, runtime. The problem here isn't about faulty instructions in the code (so not 'instruction'). It also doesn't seem to be a general runtime error unrelated to system calls. Instead, it's specifically about the execveat system call failing under certain conditions when running different architectures with QEMU. + +Therefore, this bug falls under the 'syscall' category because it's related to how the execveat system call is being handled or emulated by QEMU for foreign architectures. +</think> + +The issue arises from how the `execveat` system call is being processed for different architectures within QEMU. The error occurs specifically when using this syscall with an empty path and AT_EMPTY_PATH flag, which works for some arches but not others. This indicates a problem in handling syscalls across various architectures. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/306 b/results/classifier/deepseek-r1:32b/reasoning/syscall/306 new file mode 100644 index 000000000..3c6495136 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/306 @@ -0,0 +1,9 @@ +<think> +Alright, let me try to figure out how to classify this bug report. The issue mentions an option to constrain the Linux-user exec() function to run on an emulated CPU only. I know that in QEMU, the user mode emulation (Linux-user) allows running binaries for different architectures natively without full VMs. + +The problem here seems related to how the exec() system call is handled when using this feature. Since it's about constraining execution to the emulated CPU, it likely deals with how syscalls are processed or intercepted in the user mode emulator. + +Looking at the categories: instruction issues relate to handling specific CPU instructions, syscall relates to errors in how system calls are managed, and runtime covers other runtime errors. This bug is more about controlling where exec() runs, which involves syscalls being handled by the emulator. Therefore, it's a syscall-related issue. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/324 b/results/classifier/deepseek-r1:32b/reasoning/syscall/324 new file mode 100644 index 000000000..5df76f862 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/324 @@ -0,0 +1,13 @@ +<think> +Okay, so I have this bug report that says "chrome based apps can not be run under qemu user mode." I need to classify it into one of three categories: instruction, syscall, or runtime. + +First, let me understand each category. Instruction issues involve problems with specific machine instructions not working correctly in QEMU. Syscall errors are related to system calls failing when using QEMU. Runtime errors are other types of problems that occur during the execution. + +The bug report mentions Chrome-based apps not running under qemu user mode. I know Chrome is a browser, but it's also used as a runtime for applications through technologies like NW.js or Electron. These apps run on top of Chrome's engine and use various system calls to function properly. + +So if Chrome-based apps aren't working in QEMU user mode, the issue might be related to how system calls are handled within that environment. Perhaps certain syscalls required by these applications aren't being correctly translated or emulated by QEMU. This would mean it's a syscall-related problem because the apps rely on specific interactions with the system that aren't functioning as expected in QEMU. + +I don't think it's an instruction issue because the problem isn't about executing a particular CPU instruction failing, but rather about applications not running properly, which is more about how they interact with the system. It also doesn't seem like a general runtime error unless all apps are failing, but since it's specifically Chrome-based, it points towards syscalls. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/326 b/results/classifier/deepseek-r1:32b/reasoning/syscall/326 new file mode 100644 index 000000000..651460a37 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/326 @@ -0,0 +1,21 @@ +<think> +Okay, so I need to classify this bug report about QEMU-user ignoring MADV_DONTNEED. Hmm, let's break it down. + +First, what is QEMU? It's an emulator used for running virtual machines and other emulated environments. So QEMU-user would be a user-space part of that, maybe related to process emulation or something like that. + +Now, MADV_DONTNEED is a memory advice hint in Linux. When you call madvise with MADV_DONTNEED, it tells the kernel that a certain memory region won't be used for a while and can be discarded if necessary. It's often used to free up memory pressure by allowing the system to drop pages. + +The bug report says that QEMU-user is ignoring this MADV_DONTNEED. So when someone uses madvise with MADV_DONTNEED on some memory, QEMU isn't respecting that and either doesn't pass it along or doesn't handle it correctly. + +Now, looking at the categories: instruction, syscall, runtime. The issue here is about a system call (madvise) not being handled properly by QEMU-user. So it's related to how syscalls are processed in the emulator. + +Wait, but could this be an instruction-level problem? Probably not, because MADV_DONTNEED isn't an instruction; it's part of the syscall interface. The issue is that when a process running under QEMU makes a madvise call with MADV_DONTNEED, QEMU doesn't handle it as expected. That sounds like a syscall error. + +Alternatively, if the problem was with how QEMU handles memory in its runtime operations, maybe it's a runtime error. But since it's specifically about the MADV_DONTNEED advice not being honored, which is part of the madvise system call, I think it falls under the syscall category. + +So, putting it all together, the bug report is about an issue with how QEMU handles a specific system call (madvise with MADV_DONTNEED), so the classification should be 'syscall'. +</think> + +The bug report concerns an issue where QEMU-user does not properly handle the `MADV_DONTNEED` advice provided by the `madvise` system call. This indicates that the problem lies in how the system call is processed within the emulator. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/356 b/results/classifier/deepseek-r1:32b/reasoning/syscall/356 new file mode 100644 index 000000000..28f546bae --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/356 @@ -0,0 +1,21 @@ +<think> +Okay, so I need to classify this bug report about QEMU Linux-user not translating host/target data for iovec I/O into one of three categories: instruction, syscall, or runtime. Let me think through this step by step. + +First, the issue is related to how QEMU handles I/O operations using iovec (input/output vector) when running in user mode. Specifically, it's not translating the host and target data properly. I know that in QEMU, especially when dealing with user-mode emulation, there's a lot of context switching between the host and target environments. + +IOVEC is used for performing multiple input or output operations in a single call, which can be more efficient than making multiple syscalls. So, if the translation isn't happening correctly, it could cause problems during I/O operations. + +Now, looking at the categories: + +- **Instruction**: This would involve issues with specific CPU instructions not being handled properly by QEMU's emulator. +- **Syscall**: This relates to errors in how system calls are emulated or translated between the host and target environments. +- **Runtime**: This is for other runtime errors that don't fall into the above two categories. + +The problem here isn't about an instruction being faulty but rather about data translation during I/O operations. Since iovec involves handling multiple buffers, it's part of how system calls are managed. The issue likely arises when QEMU doesn't correctly translate the iovec structures between the host and target environments, which would affect syscalls like readv or writev. + +So, considering that this is about data translation during I/O syscalls, it fits under **syscall** errors because it's related to how system calls are handled and translated in QEMU. +</think> + +The bug report concerns incorrect data translation for iovec I/O operations in QEMU Linux-user, which affects the handling of system calls. Therefore, the classification is: + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/456 b/results/classifier/deepseek-r1:32b/reasoning/syscall/456 new file mode 100644 index 000000000..50a173a84 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/456 @@ -0,0 +1,21 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about QEMU hanging after encountering an error related to the futex function. The user provided some details, including steps to reproduce and strace outputs. + +First, let's break down what's happening. When running Valheim dedicated server under QEMU User mode on x86_64, it hangs with a specific futex call. The strace shows that the futex function returns an error because it's not implemented (errno=38). Then, when they send a SIGINT (like pressing Ctrl+C), another futex call is interrupted. + +The steps to reproduce involve installing SteamCMD, updating to Valheim server, and running under QEMU. The issue occurs on both Raspberry Pi ARM64 with Ubuntu and Fedora x86_64 with a custom-built QEMU. + +Looking at the possible categories: instruction, syscall, runtime. + +- Instruction issues are about incorrect instructions or assembly code. +- Syscall errors involve system calls failing or not being handled properly. +- Runtime errors are other runtime-related issues that don't fall into the first two. + +In this case, the problem is related to a system call (futex) returning an error because it's not implemented. QEMU is supposed to emulate these syscalls for user-mode programs. If QEMU doesn't handle futex correctly, that would be a syscall implementation issue within QEMU. + +So, the bug seems to be in how QEMU handles certain syscalls, specifically futex. Therefore, this falls under the 'syscall' category. +</think> + +The issue is related to QEMU's handling of the futex system call, which isn't implemented correctly. This causes the program to hang and respond incorrectly when interrupted. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/470 b/results/classifier/deepseek-r1:32b/reasoning/syscall/470 new file mode 100644 index 000000000..d32a53211 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/470 @@ -0,0 +1,21 @@ +<think> +Okay, so I'm trying to classify this bug report about QEMU's Linux-user mode. The issue mentioned is that it requires read permissions on memory passed to syscalls when it should only need write access. Hmm, let me break this down. + +First, I know that QEMU has a user-mode emulation for running unmodified Linux binaries on different architectures. It interacts with the host system by translating syscalls. Now, the problem here is about memory permissions during these syscalls. + +The bug says that QEMU is requesting read access when it should only need write access. So, perhaps when certain syscalls are made, QEMU's translator incorrectly marks the memory as needing to be readable, even though thesyscall itself only needs to modify (write) that memory. + +I'm thinking about how syscalls work. When a process makes a syscall, it often passes pointers to data structures or buffers. The kernel then uses these pointers to read from or write to user space memory. If the host's QEMU is enforcing read permissions when it should only need write, this could cause issues like incorrect memory access checks or even crashes. + +Looking at the possible categories: instruction, syscall, runtime. + +- Instruction would relate to an issue with how a specific CPU instruction is handled. +- Syscall category would be about problems during system call handling. +- Runtime refers to other errors happening while running the program. + +In this case, the problem arises when making syscalls because of incorrect memory permission checks. So it seems related to how QEMU handles the syscalls and their associated memory accesses. Therefore, the bug is likely a syscall-related issue rather than an instruction error or a general runtime problem. + +I think the correct category here is "syscall" because it's about the way QEMU interacts with system calls and how it manages the permissions on the memory passed to them. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/577 b/results/classifier/deepseek-r1:32b/reasoning/syscall/577 new file mode 100644 index 000000000..12838299a --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/577 @@ -0,0 +1,19 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about QEMU. Let me read through it again carefully. + +The problem is that when using `getdtablesize()` in user mode on Linux/alpha, the function returns a value that's too large. The user describes that `getdtablesize() - 1` should be a valid file descriptor but isn't. They provided steps to reproduce: compiling a specific C program with alpha-linux-gnu-gcc-10 and running it both directly on a Linux/alpha machine (where it works) and through QEMU, where it fails. + +From the expected result, when run on the actual machine, it returns 0, but in QEMU, it returns 1. So something's wrong with how QEMU is handling this function call. + +Now, looking at possible categories: instruction, syscall, runtime. + +The issue isn't about a faulty CPU instruction because it's more about system calls and resource limits. It doesn't seem like the problem lies in executing an incorrect machine instruction. + +Next, considering if it's a syscall error. `getdtablesize()` is related to the maximum number of open files allowed. So when running under QEMU user mode, maybe the emulation isn't correctly handling this system call. If QEMU misreports the descriptor table size, that would be a problem with how syscalls are being handled. + +Runtime errors usually involve issues during execution other than instructions or syscalls, like memory management or threading. But here, it's specifically about the return value of `getdtablesize()`, which points more towards system call handling. + +So I think this is a syscall issue because QEMU isn't accurately emulating the behavior of `getdtablesize()` as expected in the user mode environment. +</think> + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/578 b/results/classifier/deepseek-r1:32b/reasoning/syscall/578 new file mode 100644 index 000000000..185e46604 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/578 @@ -0,0 +1,15 @@ +<think> +Alright, let's try to figure out what category this bug falls into. The user mentioned that when running their program using QEMU in user mode on Linux/sparc64, they encounter an error where `getdomainname()` is not implemented. + +First, I need to understand the context. They're compiling a C program that uses `getdomainname()`, and when executing it under QEMU, instead of getting "(none)", they get an error saying the function isn't implemented. + +Looking at the problem description, the issue arises during the execution of the compiled binary within QEMU. The error message is about a missing implementation of a specific system call. So, `getdomainname()` is a system call that's supposed to retrieve the domain name of the host machine. + +In this case, since the function isn't implemented in QEMU's user mode on Linux/sparc64, it seems like a syscall is failing because QEMU doesn't handle it correctly. The error occurs at runtime when the program tries to execute `getdomainname()`, leading to the problem being related to system calls. + +So, categorizing this, it's not about an instruction or a compile-time issue but rather an error during execution related to how the system call is handled by QEMU. Therefore, this bug falls under the 'syscall' category because it's directly tied to the implementation of a specific system call within the emulator. +</think> + +The bug report describes an issue where the `getdomainname()` system call is not implemented in QEMU's user mode for Linux/sparc64. This relates to how system calls are handled by the emulator, leading to runtime errors when executing code that uses this function. + +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/579 b/results/classifier/deepseek-r1:32b/reasoning/syscall/579 new file mode 100644 index 000000000..9abd4cd89 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/579 @@ -0,0 +1,23 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report related to QEMU. Let me start by reading through the problem description carefully. + +The issue is that the `chown()` function fails when it should succeed in QEMU user mode on a Linux/sparc64 system. The steps provided outline how to reproduce the problem, which involves compiling and running a specific program both natively and under QEMU. + +From what I understand, `chown()` is a system call used to change the ownership of a file. So when it's failing in QEMU but works normally outside of it, it suggests that there's something different about how QEMU handles this particular system call or perhaps how it interacts with the environment. + +Looking at the steps, they involve setting up a cross-compile environment and then running the test program both natively and under QEMU. The native run succeeds (returns 0), but when using QEMU, `chown()` fails with "Operation not permitted" and returns an error code of 1. + +Now, considering the possible categories: instruction, syscall, runtime. + +- **Instruction**: This would relate to a specific CPU instruction being faulty or mishandled by QEMU. But in this case, the problem seems related to file permissions and system calls rather than any particular instruction execution. + +- **Syscall**: Since `chown()` is a system call, if it's failing under QEMU, it might be that QEMU isn't properly handling this syscall or there's an issue with how it's being emulated. This seems like the most likely category because the problem occurs when making a specific system call. + +- **Runtime**: This would cover other runtime errors not related to instructions or syscalls. But since `chown()` is failing, which directly relates to a system call implementation, this doesn't seem as fitting. + +So putting it together, the issue is about how QEMU handles the `chown()` system call in user mode on Linux/sparc64. It's not an instruction-level problem or a general runtime error but rather an issue with the syscall handling. +</think> + +The bug report describes an issue where the `chown()` system call fails under QEMU, which suggests a problem with how QEMU emulates this system call. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/654 b/results/classifier/deepseek-r1:32b/reasoning/syscall/654 new file mode 100644 index 000000000..e5f161d4b --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/654 @@ -0,0 +1,25 @@ +<think> +Okay, so I need to classify this bug report about QEMU's strace log output getting mangled. The user provided a detailed description and some code snippets. Let me break it down step by step. + +First, the problem is that when using strace logging in QEMU, the syscall entries aren't being printed atomically. That means parts of a single syscall log can be interrupted by other logs, making them hard to parse. For example, the mmap syscalls are getting split up because another part of the code (like page logging) writes to the log file in between. + +Looking at the steps to reproduce: running a dynamically linked binary or one that uses mmaps causes this issue. The user attached an example log where the mmap entries are interrupted. + +The user believes the bug is due to two main reasons: +1. In `linux-user/syscall.c`, the strace syscall entry isn't output all at once but split into two parts—`print_syscall` and `print_syscall_ret`. These functions call `qemu_log` multiple times, which can allow other log messages to interleave. +2. For mmap syscalls specifically, `log_page_dump` is called between these two print functions, causing the mangled output. + +They also mention that inside `qemu_log`, the logfile lock is obtained and released each time. This means there's a possibility of another thread writing to the log file while a syscall entry is being printed across multiple `qemu_log` calls. + +Now, classifying this bug into one of the categories: instruction, syscall, or runtime. + +- Instruction: Relates to faulty instructions, like wrong assembly or code execution. Doesn't fit here because it's about logging, not executing instructions. +- Syscall: Issues directly with system calls. This seems relevant since the problem occurs during strace logging of syscalls. +- Runtime: Other runtime errors. While this is a runtime issue, the specific problem relates to how syscalls are logged. + +The main issue is that the syscall logs are being interrupted, which affects the integrity of the log output for syscalls. Therefore, it's more accurately classified under 'syscall' because it pertains directly to the logging mechanism of system calls. +</think> + +The bug report deals with the improper logging of system call entries in QEMU's strace output, specifically when syscalls like mmap are interrupted by other log messages. This issue is rooted in how syscall logs are split across multiple non-atomic `qemu_log` calls, allowing interleaving from other parts of the code. + +**syscall** \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/690 b/results/classifier/deepseek-r1:32b/reasoning/syscall/690 new file mode 100644 index 000000000..020873453 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/690 @@ -0,0 +1,23 @@ +<think> +Okay, so I need to classify this bug report into one of three categories: instruction, syscall, or runtime. Let me read through the problem description carefully. + +The issue is that when running 32-bit qemu-arm-static on an x86_64 host with versions 5.1 and later, GCC fails because it can't allocate a memory range for the guest. The error message is "Allocating guest commpage: Operation not permitted." This problem doesn't happen in QEMU version 5.0, so something changed between 5.0 and 5.1 that introduced this bug. + +The user mentions that this isn't reproducible on all systems—it's happening on Arch Linux and some Debian setups but not others. They also note that the sysctl parameter `vm.mmap_min_addr` affects the outcome. Depending on its value, the error changes or doesn't occur at all. + +Looking into the steps to reproduce, they built a Docker container and ran GCC inside using the older QEMU version 50. The problem arises when trying to allocate memory in the guest space, which suggests it's related to how QEMU is handling memory mappings or syscalls. + +The error message mentions "Operation not permitted," which often relates to permissions issues, possibly during a system call like mmap. Since the issue occurs at runtime and involves memory allocation within the guest environment, it seems like this isn't an instruction-level problem but rather something happening during execution, likely related to how QEMU interacts with the host's kernel when making certain syscalls. + +So, considering the categories: + +- Instruction: Not applicable because there's no mention of a specific CPU instruction causing the issue. +- Syscall: Possible since it involves memory allocation (mmap) and permissions. The error could be due to changes in how QEMU handles these syscalls across different versions or configurations. +- Runtime: Also possible, as the problem occurs during runtime when trying to allocate guest memory. + +But given that the problem is tied to kernel parameters like `vm.mmap_min_addr` and involves a syscall returning an error related to permissions, it's more likely a syscall issue. The underlying cause seems to be how QEMU or the host handles these syscalls in newer versions. +</think> + +The bug report indicates issues with memory allocation during runtime, specifically when trying to allocate guest memory via mmap syscalls. This points to a problem with system calls and their handling. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/836 b/results/classifier/deepseek-r1:32b/reasoning/syscall/836 new file mode 100644 index 000000000..463ecdb26 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/836 @@ -0,0 +1,37 @@ +<think> +Okay, so I'm trying to figure out what's causing this issue where the lseek() system call returns -14 (EFAULT) when using QEMU-riscv32. Let me go through my understanding step by step. + +First, from the code provided, the user is making a series of system calls: openat, lseek, close, and exit. The problem arises specifically with the lseek() call, which returns an error code -14, indicating an EFAULT. According to the man page for lseek(), this error typically happens when there's an invalid pointer or something wrong with the arguments passed. + +Looking at the code: + +- They use SYS_OPENAT correctly, opening a file and checking if the file descriptor (s0) is valid. That part works because the error checks after openat don't fail. +- Then they call lseek() with s0 as the file descriptor, 0 as the offset, and SEEK_CUR for the whence parameter. The expectation here is that it should return the current position in the file, which shouldn't cause an error. + +But it does, returning -14. Now, I'm thinking about what could cause EFAULT in this context. One possibility is that the system call arguments are being passed incorrectly. In RISC-V, system calls use specific registers: a0 to a7 for parameters and a7 for the syscall number. + +Wait, looking at how lseek() is set up: + +- a7 holds SYS_LSEEK (0x3e). +- a0 is s0 (the file descriptor), which was correctly obtained from openat. +- a1 is 0, the offset. That seems fine. +- a2 is SEEK_CUR (1), so the whence parameter. + +Hmm, but in some systems, the lseek() system call might have more parameters or require different registers. Alternatively, maybe QEMU isn't handling this correctly for RISC-V 32-bit. Maybe there's an issue with how the arguments are passed or how the syscall is implemented in QEMU. + +I should check thesyscall definitions to ensure that the parameters are correct. According to the code comments, the syscall numbers come from riscv-pk. Let me confirm the parameters for lseek() on RISC-V. + +In many architectures, lseek has three arguments: fd, offset, whence. So the setup here seems correct. But perhaps there's a mismatch in how QEMU implements this syscall for 32-bit RISC-V. + +Another thought is whether the file descriptor s0 is indeed valid when passed to lseek(). The user says it's correct because the openat() call succeeds and the error check passes, so that shouldn't be the issue. + +Is there a chance that the system call itself isn't implemented correctly in QEMU? Maybe the lseek() syscall handler in QEMU has a bug that causes it to return EFAULT under certain conditions. Or perhaps there's an issue with how the registers are handled during the syscall, leading to incorrect argument interpretation. + +I should also consider if the code is compiling and running as expected. The user provided assembly code, which compiles without issues, so the problem isn't in the code but in the environment it's running on—specifically QEMU. + +In summary, the issue is likely related to how the lseek() system call is handled by QEMU for RISC-V32, possibly due to incorrect argument handling or a bug in the syscall implementation. This would classify the problem under the 'syscall' category because it's an error occurring during a system call execution. +</think> + +The problem is classified as a `syscall` issue because the lseek() system call returns an unexpected error code (EFAULT) when executed within QEMU-riscv32, indicating an error related to how the system call is handled. + +**Answer:** syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/871 b/results/classifier/deepseek-r1:32b/reasoning/syscall/871 new file mode 100644 index 000000000..b5c30e6a0 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/871 @@ -0,0 +1,19 @@ +<think> +Okay, so I'm trying to figure out why `qemu-x86_64` isn't supporting `unshare(CLONE_NEWUSER)`. Let me start by understanding what each command does. + +When I run `/bin/unshare --user /bin/bash`, it works fine. That means my system supports the `CLONE_NEWUSER` namespace without any issues. So the problem isn't with my host system but specifically when using QEMU. + +I read that `qemu-x86_64` is a binary translator used by QEMU to run 64-bit x86 applications on different architectures or for performance reasons. But why would it fail here? + +The error message says "unshare failed: Invalid argument". That suggests something about the arguments passed isn't correct, but since the same command works without QEMU, it's more likely an issue with how QEMU handles the `unshare` system call. + +I know that namespaces in Linux are created using `clone()` or `unshare()`, and `CLONE_NEWUSER` is a flag for user namespaces. Maybe QEMU doesn't properly handle this flag when translating the syscalls, leading to the error. + +Looking into possible categories: it's not an instruction issue because the command itself works outside of QEMU. It's also not a runtime issue in the traditional sense since the problem is specific to how QEMU processes the system call. Therefore, it must be related to how `unshare` is implemented within QEMU—probably a missing or incorrect handling of the `CLONE_NEWUSER` flag. + +So this falls under a syscall error because QEMU isn't correctly processing the `unshare` system call with that specific flag. +</think> + +The issue arises because QEMU's implementation doesn't correctly handle the `unshare` system call with the `CLONE_NEWUSER` flag, leading to an invalid argument error. + +**Answer:** The category is "syscall". \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/885 b/results/classifier/deepseek-r1:32b/reasoning/syscall/885 new file mode 100644 index 000000000..bd0ae7402 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/885 @@ -0,0 +1,19 @@ +<think> +Okay, so I need to classify this bug report about QEMU into one of three categories: instruction, syscall, or runtime. Let's break it down step by step. + +The bug report mentions that when using `getsockopt` on `SO_RCVTIMEO_NEW` and `SO_SNDTIMEO_NEW`, an unexpected `int` is written. I remember that `getsockopt` is a system call used in socket programming to get various socket options. So this seems related to how the system handles these specific socket options. + +Looking at the categories: +- "instruction" would relate to issues with specific CPU instructions, which doesn't seem relevant here. +- "syscall" deals with errors occurring during system calls, which fits because `getsockopt` is a syscall and there's an issue with it. +- "runtime" covers other runtime errors, but since this specifically mentions a syscall, it's more precise. + +So the bug is likely related to how QEMU handles these socket options via syscalls. Therefore, the category should be 'syscall'. +</think> + +The bug involves issues with system calls (`getsockopt`), so the appropriate category is: + +**syscall** + +Answer: +syscall \ No newline at end of file diff --git a/results/classifier/deepseek-r1:32b/reasoning/syscall/927 b/results/classifier/deepseek-r1:32b/reasoning/syscall/927 new file mode 100644 index 000000000..3631ffb9d --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/syscall/927 @@ -0,0 +1,23 @@ +<think> +Okay, so I need to classify this bug report into one of the three categories: instruction, syscall, or runtime. Let me read through the problem description carefully. + +The issue is about the `open("/proc/self/exe", ...)` function returning a closed file descriptor when QEMU-user is used as an interpreter with a file descriptor passed via the `AT_EXECFD` auxval. From what I understand, when this happens, QEMU's initialization process closes the file descriptor before it's returned to the user program. + +Looking at the steps provided: The program opens `/proc/self/exe` and `/dev/null`, then prints their descriptors. Normally, in a Docker container on an arm64 Mac using qemu-user, this outputs two valid descriptors. But if QEMU is involved with `AT_EXECFD`, it seems like the file descriptor for `/proc/self/exe` becomes invalid because it's closed. + +The problem arises in how QEMU handles loading the ELF binary. It uses the provided file descriptor but then closes it before returning, which affects subsequent operations when the user program tries to use that descriptor again. + +Now, thinking about the categories: + +- Instruction would involve a specific CPU instruction causing issues. +- Syscall relates to system call handling or errors in syscalls. +- Runtime covers other runtime errors not related to instructions or syscalls. + +This issue is specifically about how QEMU handles file descriptors during process execution and returns them via `openat`. It's more about the system calls and how they're managed, especially around opening files and handling their descriptors. The problem occurs in the context of syscalls like openat, which makes me think it's a syscall-related issue. + +So, I'd categorize this as a **syscall** bug because it involves incorrect behavior with file descriptors returned from `open`, specifically within QEMU's handling of system calls. +</think> + +The bug report describes an issue where the `open` system call returns a closed file descriptor in certain conditions when using QEMU-user. This relates to how the system call is handled and the file descriptors are managed. + +**Answer:** syscall \ No newline at end of file |