diff options
Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/syscall/1887306')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/syscall/1887306 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/syscall/1887306 b/results/classifier/qwen3:32b/reasoning/syscall/1887306 new file mode 100644 index 00000000..ce12d235 --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/syscall/1887306 @@ -0,0 +1,11 @@ +<think> +Okay, let's try to figure out the category for this QEMU bug report. The user is describing a deadlock issue when using qemu-user with a multithreaded program that does a lot of forks. The problem seems to be related to how QEMU handles the fork system calls in a multi-threaded environment. + +First, the program creates many threads (NUM_THREADS), each of which forks multiple times (NUM_FORKS). When running under QEMU, this leads to deadlocks. The user mentions that larger numbers of threads and forks make the problem more likely. They also tried using a mutex to serialize the forks but that didn't help. However, adding a barrier to ensure all forks complete before threads exit seems to prevent the deadlock. + +The key here is that the issue arises during the execution of the fork() system call within a multi-threaded process under QEMU's user-mode emulation. System calls like fork are critical for process management, and if QEMU's handling of these syscalls isn't thread-safe or properly synchronized, it could lead to deadlocks. + +Since the problem is tied directly to the execution of the fork syscall and how QEMU manages the state across multiple threads making these calls, this seems to be a syscall-related issue. The runtime category is for other runtime errors, but syscall specifically covers errors in system call handling. The instruction category is about faulty CPU instructions, which isn't the case here. So the correct category should be syscall. +</think> + +syscall \ No newline at end of file |