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Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/manual-review/1908')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/reasoning/manual-review/1908 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/reasoning/manual-review/1908 b/results/classifier/deepseek-r1:14b/reasoning/manual-review/1908 new file mode 100644 index 00000000..c9f2fd93 --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/manual-review/1908 @@ -0,0 +1,17 @@ +<think> +Okay, so I'm trying to classify this bug report for QEMU. The user provided a detailed report about a segfault happening in `qemu-riscv64-static` when running a specific test from Cockatrice. Let me break down the information given and figure out which category it fits into. + +First, looking at the steps to reproduce: they're using an Arch Linux RISC-V container, building Cockatrice with tests, and then running a particular test that causes a segfault. The backtrace shows that the issue occurs in `cpu_tb_exec` and other functions related to TCG (Translation-Cache), which is part of QEMU's dynamic translation from user-mode code to machine code. + +The user also mentioned that they performed a bisection and found a specific commit causing the regression, so it's likely an issue introduced by that change. The fact that building from HEAD still has the problem suggests it might be a deeper issue in the TCG or CPU execution loop. + +Looking at the possible categories: mistranslation seems to fit because TCG is responsible for generating machine code, and if there's a mistake in how instructions are translated, it could cause segfaults. The backtrace shows addresses within `code_gen_buffer`, which points to generated code, indicating a problem during translation or execution of that code. + +Other categories like device, graphic, network, etc., don't seem relevant here because the issue is happening at a lower level in the CPU execution and not related to specific hardware devices or user interactions. The crash is in the core QEMU components handling instruction translation. + +So, putting it all together, the bug is likely due to an error in how instructions are translated into machine code by TCG, leading to an invalid memory access or incorrect instruction sequence that causes a segfault. Therefore, the classification should be "mistranslation." +</think> + +The issue arises from an error in the Translation-Cache (TCG) within QEMU, which is responsible for dynamically translating user-mode instructions into machine code. The provided backtrace shows that the problem occurs during the execution of generated code (`code_gen_buffer`), pointing to a possible mistake in how instructions are translated or optimized. This leads to an invalid operation, such as accessing an incorrect memory address, resulting in a segmentation fault. + +**Classification:** Mistranslation \ No newline at end of file |