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Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/syscall/2333')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/syscall/2333 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/syscall/2333 b/results/classifier/qwen3:32b/reasoning/syscall/2333 new file mode 100644 index 00000000..e3c80f74 --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/syscall/2333 @@ -0,0 +1,11 @@ +<think> +Okay, let's tackle this bug report. The user is saying that the VDSO method for __clock_gettime64 is crashing under qemu-armeb. They provided a test case that segfaults when using a system snapshot with VDSO enabled, but works when VDSO is disabled. The stack trace points to the clock_gettime.c function where the INTERNAL_VSYSCALL_CALL is used. + +Hmm, the problem is specific to qemu-armeb (big-endian ARM), but not on qemu-arm (little-endian). The error happens during a system call to vdso_time64. VDSO is the virtual dynamic shared object that allows user-space programs to handle certain syscalls without actually making a kernel transition. But when it's broken, it might fall back to regular syscalls. + +The user mentioned that when VDSO is disabled in glibc, the problem goes away. So the issue is likely in how QEMU is handling the VDSO for ARM big-endian. The crash occurs in the VDSO's time64 function. Since the same code works on little-endian ARM and not on big-endian, it's probably an endianness-related issue in QEMU's emulation of the VDSO. + +Looking at the categories: instruction, syscall, or runtime. The problem isn't a faulty instruction per se, but rather how the syscall is being handled in the context of VDSO. Since VDSO is part of the user-space and QEMU's emulation of it, this might fall under runtime. Wait, but the categories are instruction, syscall, runtime. The error is during a syscall made through VDSO. The QEMU's handling of the syscall might be incorrect for big-endian. But the problem is in the VDSO, which is a user-space component. However, since it's part of QEMU's emulation, maybe it's a syscall issue. Or maybe it's a runtime error because it's happening during the execution of the program's runtime (the VDSO part). The description says it's a QEMU bug. The error is that when VDSO is active, the syscall through VDSO is causing a segfault. Since the user is using QEMU to emulate the ARM environment, the problem is in how QEMU is managing the VDSO syscalls for big-endian. So the category could be syscall. But maybe it's a runtime error because it's related to the execution environment. The runtime category is for errors that happen during runtime, not necessarily a specific instruction or syscall. But since the problem is directly tied to a syscall (clock_gettime) via VDSO, maybe it's a syscall category. However, the VDSO is a user-space helper, so maybe it's a runtime issue in QEMU's runtime handling. The user says it's part of QEMU, so the classification is whether it's instruction, syscall, or runtime. Since the error is in the execution of the syscall via VDSO, which QEMU emulates, it's probably a syscall issue. Or maybe it's a runtime error because it's during the program's execution. The line between syscall and runtime could be blurry here. The problem is that QEMU's emulation of the VDSO for armeb is broken, leading to a crash during the syscall. Since the error is in the syscall handling (specifically the VDSO part), I think it's a syscall category. But I'm a bit uncertain. Alternatively, if the problem is that QEMU isn't correctly setting up the environment for the VDSO to function, that's a runtime issue. The key is that the crash is in the VDSO's code when making the syscall. Since the VDSO is part of the user-space and the syscall is being made through it, but QEMU isn't handling it correctly. The error is in the syscall handling for VDSO in QEMU. Therefore, I think the correct category is syscall. +</think> + +syscall \ No newline at end of file |