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Diffstat (limited to 'results/classifier/deepseek-2/reasoning/hypervisor/1708')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/hypervisor/1708 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/hypervisor/1708 b/results/classifier/deepseek-2/reasoning/hypervisor/1708 new file mode 100644 index 000000000..42f8b8a4b --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/hypervisor/1708 @@ -0,0 +1,19 @@ +<think> +Okay, let me try to figure out the category for this bug report. So, the problem is about RISC-V handling an illegal instruction in VS-mode and setting the vscause incorrectly. + +The user provided steps to reproduce: they delegate certain exceptions (2,6,10) in medeleg and hedeleg, enter VS-mode, cause an illegal instruction fault, but 6 can't happen in QEMU due to misaligned support and 10 can't be delegated. The vscause is set to 1 instead of the correct value. + +Looking at the code snippet they provided: it's modifying 'cause' by subtracting 1 if it's one of certain IRQs. But there's an issue with whether this should happen only when async is true, which isn't checked in the current code. + +The proposed fix adds a check for 'async'. So the problem seems to be in how exceptions are handled, specifically adjusting the cause value based on mode or state. + +Now, considering the categories: mistranslation involves incorrect mapping from source to target, but this seems more about exception handling logic. Other options like network, socket, etc., don't fit. The issue is with trap handling and exception causes in RISC-V emulation, which falls under how exceptions are managed within the hypervisor or CPU simulation. + +The category 'trap_handling' isn't listed, so looking at the given categories: 'hypervisor' seems closest because it's about handling virtualization-related exceptions and mode switching. Alternatively, 'kernel' could be a possibility since it's part of the OS-like functions in QEMU, but I think 'hypervisor' is more accurate here. + +So, the bug relates to how exceptions are handled in VS-mode, which is managed by the hypervisor part of QEMU. +</think> + +The issue is related to exception handling within the hypervisor mode in QEMU. The problem occurs when adjusting the cause value for illegal instructions in VS-mode without considering whether the interrupt was asynchronous. This falls under hypervisor-related bug categories. + +hypervisor \ No newline at end of file |