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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
| commit | 238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (patch) | |
| tree | cd8a1b75ba7b3543eb7fe6857f408e7be4d9fd0b /results/classifier/deepseek-r1:32b/reasoning/instruction/837 | |
| parent | 96049c939b1916d80532630d63c14e04d5244f1d (diff) | |
| download | emulator-bug-study-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.tar.gz emulator-bug-study-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.zip | |
add results
Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/instruction/837')
| -rw-r--r-- | results/classifier/deepseek-r1:32b/reasoning/instruction/837 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/instruction/837 b/results/classifier/deepseek-r1:32b/reasoning/instruction/837 new file mode 100644 index 00000000..a9ee077a --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/instruction/837 @@ -0,0 +1,15 @@ +<think> +Alright, let's try to figure out how to classify this bug report for QEMU. The user is reporting an issue where the `icebp` instruction (opcode 0xF1) isn't behaving correctly when run under QEMU. On bare metal Linux, it raises a `SIGTRAP`, but in QEMU, it results in a `SIGILL`. + +First, I need to understand what each of these signals means. `SIGTRAP` is typically raised by debug exceptions or breakpoints, which makes sense for the `icebp` instruction since it's used for debugging purposes. On the other hand, `SIGILL` indicates an illegal instruction, meaning that the system doesn't recognize the instruction being executed. + +Looking at the code provided, the user compiles a small program that uses the `icebp` instruction and then either exits or performs a syscall. When run directly on hardware (bare metal), it correctly triggers a `SIGTRAP`, which is expected because `icebp` generates a debug exception (#DB). However, when running under QEMU, it incorrectly raises an illegal instruction signal instead. + +Now, considering the possible categories: instruction, syscall, or runtime. The issue here seems to be related to how QEMU handles specific instructions. Since the problem arises from executing the `icebp` opcode and not processing it correctly, it's likely a fault in how QEMU decodes or emulates this particular instruction. + +Therefore, the bug is probably under the 'instruction' category because it pertains to the incorrect handling of an x86 instruction by QEMU. The fact that it raises an illegal instruction instead of a trap indicates a problem with the emulation of that specific opcode. +</think> + +The bug report concerns the incorrect handling of the `icebp` instruction in QEMU, leading to an improper signal being raised. This is categorized under instruction processing. + +instruction \ No newline at end of file |