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Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/syscall/1462640')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/syscall/1462640 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/syscall/1462640 b/results/classifier/qwen3:32b/reasoning/syscall/1462640 new file mode 100644 index 000000000..c3807b113 --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/syscall/1462640 @@ -0,0 +1,11 @@ +<think> +Okay, let's see. The user is talking about a problem with shmat failing when running a 32-bit MIPS program on a 64-bit x86 host using QEMU. They did some investigation and created a minimal example that reproduces the issue when compiled with -m32. The problem seems to be related to mmap flags. Specifically, QEMU's 32-bit user mode is reserving the entire guest virtual address space with MAP_PRIVATE, and when shmat is called, it tries to use MAP_SHARED for a part of that region, which causes a conflict. The user suggests that unmapping the shared memory region before calling shmat might fix it. + +So, the question is to classify this bug into one of the categories: instruction, syscall, or runtime. + +First, let's recall the categories. Instruction would be if there's a wrong CPU instruction being executed. Syscall would be an issue with the system call handling. Runtime refers to other errors during execution that aren't specifically about syscalls or instructions. + +In this case, the problem is with the shmat system call. The issue arises because the mmap flags are set to MAP_PRIVATE, and shmat is attempting to use MAP_SHARED on the same region. The problem is in how the system call (shmat) is being handled, particularly in the context of the mmap setup by QEMU for 32-bit emulation. The system call's behavior is affected by the way memory is mapped, which is part of the system call handling mechanism in QEMU. Therefore, this seems to be a syscall category issue. The runtime category is more for other kinds of errors during execution, like memory management issues not directly tied to system calls. Since the problem is specifically with the shmat syscall and how mmap flags are managed in the syscall handling, the correct category is syscall. +</think> + +syscall \ No newline at end of file |