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Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/runtime/1907969')
| -rw-r--r-- | results/classifier/deepseek-r1:32b/reasoning/runtime/1907969 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/runtime/1907969 b/results/classifier/deepseek-r1:32b/reasoning/runtime/1907969 new file mode 100644 index 000000000..8860be9c8 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/runtime/1907969 @@ -0,0 +1,19 @@ +<think> +Alright, I'm trying to classify this bug report into one of the given categories: instruction, syscall, or runtime. Let's break it down step by step. + +First, the problem occurs when running a specific C program under qemu-i386. The program segfaults when mixing threads and signals. Notably, this only happens if the program is statically linked to musl's libc and targets i386. If either the pthread calls or the second raise() are removed, the issue doesn't occur. + +The crash seems to happen in TCG-generated code during a %gs-relative access. That suggests something is going wrong with how memory is being accessed using the gs segment register, which is often used for thread-local storage (TLS). + +Looking at the program, it sets up a signal handler for SIGUSR1 and raises it once before creating a thread. After joining the thread, it raises the signal again, leading to the segfault. So the problem occurs after the thread has been created and joined. + +I know that when using threads with signals in Linux, there are some nuances. The first raise() works fine because it's done before any threads are started. However, after creating and joining a thread, something about the state might change that affects how signals are handled. + +The fact that the segfault happens during a %gs-relative access makes me think it's related to how TLS is being managed in the presence of threads. Maybe when the signal handler tries to write to stdout using write(), which involves some system call or accessing thread-local data, it's causing an issue because the gs base isn't correctly set up after the thread has been created and joined. + +Since the problem arises during execution runtime, specifically when the second raise() is called and the signal handler accesses memory via %gs, this seems like a runtime error. It's not necessarily a faulty instruction or a syscall error per se, but rather an issue in how the program is executing after certain operations have been performed. + +So putting it all together, the bug report describes an issue that happens at runtime when specific conditions (threads and signals) are met, leading to a segfault due to incorrect memory access. Therefore, the category should be 'runtime'. +</think> + +runtime \ No newline at end of file |