diff options
Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/syscall/1357206')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/syscall/1357206 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/syscall/1357206 b/results/classifier/qwen3:32b/reasoning/syscall/1357206 new file mode 100644 index 00000000..5bf78e69 --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/syscall/1357206 @@ -0,0 +1,17 @@ +<think> +Okay, let's see. The user is reporting that QEMU user mode crashes when running multi-threaded code. They tested with a simple program that creates two threads, each printing a message. Both i386 and aarch64 versions of QEMU crash with segmentation faults. + +First, I need to figure out what category this falls into. The options are instruction, syscall, or runtime. + +Looking at the problem: The crash happens in multi-threaded code. Threads in user mode would typically involve some system calls for thread creation, like clone() on Linux. QEMU user mode emulates the system calls by translating them to the host's equivalent. If there's an issue with how QEMU handles these syscalls when multiple threads are involved, that could lead to a crash. For example, if the thread creation is not properly translated or if there's a race condition in the emulation layer, that might cause a segmentation fault. + +The bug report mentions that the problem occurs in user mode, not system mode. User mode QEMU is used to run individual binaries, translating their syscalls to the host's. So if there's a problem in the translation or handling of the syscalls related to threading (like pthread_create), that would be a syscall category issue. + +Alternatively, maybe it's a runtime issue, like a memory management problem in QEMU's runtime handling. But segmentation faults are often tied to incorrect memory access, which could be due to a syscall not being properly emulated. For example, if the clone() syscall isn't correctly set up, the threads might not be created properly, leading to invalid memory accesses. + +The original bug report (LP:668799) mentioned is about threading in QEMU, which might relate to this. The user says it's not the same issue, but the problem here is similar. If the issue is about how QEMU handles the syscalls needed for threading, then it's a syscall problem. + +So, the category is likely 'syscall' because the problem arises from the system calls made by the multi-threaded program and how QEMU handles them. The crash is due to incorrect emulation or translation of the necessary syscalls for thread creation and management. +</think> + +syscall \ No newline at end of file |