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Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/manual-review/1478')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/reasoning/manual-review/1478 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/reasoning/manual-review/1478 b/results/classifier/deepseek-r1:14b/reasoning/manual-review/1478 new file mode 100644 index 00000000..98ffdbce --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/manual-review/1478 @@ -0,0 +1,21 @@ +<think> +Okay, let's try to figure out what category this bug report falls into. The user is reporting a crash when using QEMU 7.2.0 for an x86 Core2 system with glibc. They mentioned that reverting to QEMU 7.1.0 fixed the issue, so it's something introduced between 7.1 and 7.2. + +Looking at the boot log, there are multiple general protection faults in libc.so.6, which suggests a problem with the C library when running user-space programs under QEMU. The errors occur during system initialization, specifically when starting syslogd and other services, leading to a kernel panic because init is killed. + +The toolchain being used is built with specific GCC options, including stack protection and PIE/pie flags. This might relate to how QEMU handles certain assembly instructions or the way it maps system calls or libraries. + +I think about the possible categories: mistranslation could be related if there's an issue in how the source architecture (x86) is translated to the target (maybe another architecture, but here it's still x86). Alternatively, assembly lowering issues might cause incorrect code generation leading to these faults. The problem seems more related to user-mode execution since it's about system calls and libraries. + +The fact that this happens in the toolchain-builder project suggests it's a regression introduced in QEMU 7.2.0. Maybe there was a change in how QEMU handles certain syscalls or signal handling, causing these segfaults and general protection faults. + +Another angle is that the problem might be related to how QEMU emulates certain CPU features or instructions, leading to incorrect behavior when running user-space binaries. If the code generation for x86 isn't correct anymore, it could cause the observed crashes. + +Considering all this, the most fitting category seems to be 'mistranslation' because it's about the mapping from source (x86) to the target IR or execution environment, which is causing incorrect behavior in user-mode programs leading to the crash. +</think> + +The issue involves a crash during system initialization with QEMU 7.2.0, specifically when running glibc-based toolchains. The problem arises after updating QEMU from version 7.1.0 and is reproducible with the current master branch. The boot log shows multiple general protection faults in libc.so.6, which are likely due to incorrect handling of system calls or signal processing by QEMU. + +This suggests that there's an issue in how QEMU translates x86 instructions or manages user-mode processes, leading to these errors. Given that the problem occurs when running user-space programs and involves system libraries, it points towards a mistranslation or incorrect code generation during the emulation process. + +**Answer:** The bug is classified under 'mistranslation' due to issues in how QEMU handles x86 instructions or system calls, leading to crashes in user-mode applications. \ No newline at end of file |