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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-07 17:18:14 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-07 17:18:14 +0000 |
| commit | 61361f925d4914a6608a0076e64cc2399311ed5f (patch) | |
| tree | 6f717c2ff0b11d7493e60da9757818d119cfb541 /results/classifier/qwen3:32b/reasoning/syscall/326 | |
| parent | 238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (diff) | |
| download | emulator-bug-study-61361f925d4914a6608a0076e64cc2399311ed5f.tar.gz emulator-bug-study-61361f925d4914a6608a0076e64cc2399311ed5f.zip | |
add new results
Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/syscall/326')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/syscall/326 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/syscall/326 b/results/classifier/qwen3:32b/reasoning/syscall/326 new file mode 100644 index 00000000..5c282040 --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/syscall/326 @@ -0,0 +1,15 @@ +<think> +Okay, let's see. The user is reporting that QEMU-user ignores MADV_DONTNEED. Hmm. I need to figure out which category this falls into. The options are instruction, syscall, or runtime. + +First, what's MADV_DONTNEED? Oh right, it's a memory advice for the madvise system call. The madvise syscall gives hints to the kernel about how to handle memory. MADV_DONTNEED tells the kernel that the application doesn't need the data in the specified memory range anymore, so the kernel can free up resources associated with it. + +So the bug is that QEMU-user isn't respecting this advice. Now, QEMU-user is part of QEMU that allows running binaries in userspace without a full system emulation. When you run a binary with qemu-user, it uses various system calls to interact with the host OS. If it's not handling the MADV_DONTNEED correctly, that might be related to how it's translating or handling the madvise syscall. + +Wait, the problem is that QEMU-user is ignoring the MADV_DONTNEED flag. So when the guest application uses madvise with MADV_DONTNEED, QEMU isn't passing that through or handling it properly. Since madvise is a system call, the issue might be in how QEMU is processing that particular syscall. So this sounds like a syscall issue. But let me think again. + +Alternatively, maybe it's a runtime error. But runtime is for other errors happening during execution, not specifically syscalls. The instruction category is for faulty instructions, like if there's an incorrect CPU instruction being executed. That doesn't seem right here. + +So the core issue is that the system call (madvise) with the specific flag (MADV_DONTNEED) isn't being handled correctly by QEMU-user. Therefore, this should be categorized under the syscall category. The problem is with the system call handling, not the CPU instructions or a general runtime error. +</think> + +syscall \ No newline at end of file |