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Diffstat (limited to 'results/classifier/qwen3:32b/reasoning/instruction/2122')
| -rw-r--r-- | results/classifier/qwen3:32b/reasoning/instruction/2122 | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/results/classifier/qwen3:32b/reasoning/instruction/2122 b/results/classifier/qwen3:32b/reasoning/instruction/2122 new file mode 100644 index 000000000..6d0adad7c --- /dev/null +++ b/results/classifier/qwen3:32b/reasoning/instruction/2122 @@ -0,0 +1,27 @@ +<think> +Okay, let's see. The user is reporting a segfault with qemu-user-static when running ldconfig on an x86_64 host with an arm64 client. The steps involve using an Ubuntu Jammy arm64 rootfs, mounting it with the host's /proc, and then doing an apt uninstall that triggers libc-bin processing. + +First, I need to figure out which category this falls into: instruction, syscall, or runtime. + +A segfault usually indicates an invalid memory access, which could be due to a faulty instruction if the CPU emulation is wrong. But since it's qemu-user-static, which is for running binaries compiled for a different architecture, maybe there's an issue with how the system calls are being handled. However, the problem occurs during ldconfig execution, which is part of the dynamic linker setup. + +Wait, when using qemu-user, it intercepts syscalls and emulates them. If there's a problem with how a specific syscall is being handled for arm64 on an x86_64 host, that could cause a segfault. But the error happens during libc-bin processing. Maybe the dynamic linker (ld.so) is being executed, and QEMU is having trouble with the instructions specific to arm64. But the user is running the arm64 binary on the host via qemu-user-static, so the host's CPU is x86_64. So QEMU is emulating the arm64 instructions. If there's an instruction that QEMU doesn't handle correctly, that could lead to a segfault. + +But the problem is triggered when ldconfig is run. Ldconfig is part of the libc-bin package, so during an apt uninstall, it might be running ldconfig to update the cache. The segfault occurs in qemu during this process. + +Is it an instruction error? Maybe if there's an unhandled or incorrect translation of an arm64 instruction to x86_64. Or maybe a syscall that's not properly emulated. For example, if ldconfig is making a system call that QEMU doesn't handle correctly in user-mode emulation. + +The categories are instruction, syscall, runtime. The user says "qemu segfault", so it's a crash in QEMU itself. To determine the cause: if it's due to executing an incorrect instruction (like a missing or wrong translation), that's an instruction issue. If it's because a syscall is being passed to the host and handled incorrectly, that's a syscall issue. Runtime errors are other issues during execution, perhaps memory management or other runtime problems. + +In qemu-user-static, syscalls from the target architecture (arm64) are translated to the host's syscalls (x86_64). If there's a bug in how a particular syscall is translated or handled, that could lead to a segfault. But if the segfault is in QEMU's code while processing the target binary's instructions, that would be an instruction problem. + +Alternatively, maybe during the execution of ldconfig, which is a native arm64 binary, QEMU hits a case where it doesn't properly emulate a certain instruction, leading to a segfault. For example, if the binary uses an ARM instruction that QEMU doesn't support or has a bug in its emulation. + +Since the problem occurs when processing libc-bin, which involves dynamic linking, it's possible that the dynamic linker is making some complex system calls or using specific instructions that QEMU isn't handling right. However, without more details on the exact cause (like a stack trace), it's a bit tricky. + +But given the options, if the segfault is due to QEMU not handling a specific instruction correctly, it's "instruction". If it's about syscall handling, then "syscall". Otherwise, "runtime". + +Given that the problem is during execution of ldconfig, which is part of the C library's setup, it's possible that the binary is using some architecture-specific instructions that QEMU isn't emulating properly. Therefore, the category is likely "instruction". +</think> + +instruction \ No newline at end of file |