diff options
Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/syscall/1585840')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/syscall/1585840 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/syscall/1585840 b/results/classifier/qwen3:32b/reasoning/syscall/1585840 new file mode 100644 index 000000000..f759632b6 --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/syscall/1585840 @@ -0,0 +1,17 @@ +<think> +Okay, let's see. The user is reporting an issue with QEMU's arm-linux-user where a multiprocess program gives incorrect results. The problem doesn't happen on real hardware or standard Linux, but only under QEMU. The key part is that the test uses shared memory with mutexes and atomic operations, and the failure is suspected to be due to improper support for atomic operations in the multiprocess model. + +So, the question is to classify this bug into one of the three categories: instruction, syscall, or runtime. + +First, "instruction" would mean that QEMU is executing the wrong CPU instructions for ARM. But the problem here seems related to system calls or how they're handled in user-mode emulation. The user mentions shared memory and mutexes, which typically involve system calls like shmget, shmat, and operations on semaphores or mutexes (maybe using syscalls like futex). + +If the issue is with how QEMU handles atomic operations across multiple processes, that might relate to how system calls are emulated. For example, if the syscall for a mutex operation isn't properly synchronized between processes in QEMU's user-mode, leading to race conditions or incorrect behavior. That would fall under "syscall" category. + +Alternatively, "runtime" is for other runtime errors. But since the problem seems to be in the system call handling specific to QEMU's emulation of ARM in user-mode, especially for multi-process scenarios, the syscall category seems more appropriate. + +The user also mentions that atomic operations might not be properly supported in the multiprocess model under QEMU. Atomic operations are often handled via specific instructions, but when dealing with system calls (like those involving synchronization primitives), the emulation might not correctly handle the inter-process communication or the system call semantics. + +So, the root cause is likely in how QEMU's user-mode emulation handles the necessary syscalls for process synchronization. Hence, the category should be "syscall". +</think> + +syscall \ No newline at end of file |