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Diffstat (limited to 'results/classifier/deepseek-r1:14b/reasoning/assembly/1093')
| -rw-r--r-- | results/classifier/deepseek-r1:14b/reasoning/assembly/1093 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:14b/reasoning/assembly/1093 b/results/classifier/deepseek-r1:14b/reasoning/assembly/1093 new file mode 100644 index 000000000..d6e612c1b --- /dev/null +++ b/results/classifier/deepseek-r1:14b/reasoning/assembly/1093 @@ -0,0 +1,21 @@ +<think> +Okay, so I'm trying to classify this bug report for QEMU. Let me read through the details carefully. + +The problem is about the RISC-V signal frame being misaligned. Specifically, when running under `qemu-user`, the signal frame is aligned at 4 bytes instead of 16 bytes on RISC-V 64-bit systems. This causes issues like pointer misalignment diagnostics from UBSan. + +Looking at the steps to reproduce: a C program sets up a signal handler and deliberately misaligns the stack using assembly. When `SIGINT` is sent, the handler prints addresses that are misaligned, as shown in the example output. + +The additional info points to a specific line in QEMU's source code where a constant is set to 4 instead of 15. Changing that should fix the issue. + +Now, I need to categorize this bug into one of the given options: mistranslation, assembly lowering, other, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor. + +The problem is with how QEMU handles signal frames on RISC-V. Signal handling typically involves system calls and low-level interactions, but in user-mode emulation, it's part of the user space translation. + +The issue seems to be related to incorrect alignment during assembly lowering because when signals are handled, the stack or frame structure must align properly according to the target architecture. Since QEMU is misaligning the signal frame, it's likely a problem in how it translates the RISC-V instructions into the host's execution environment, which would fall under 'assembly lowering'. + +Alternatively, it could be considered part of 'user-mode' handling or perhaps 'kernel' interaction, but since it's about instruction translation and stack alignment during assembly, I think 'assembly lowering' is the most appropriate category. +</think> + +The bug relates to incorrect stack alignment in signal frames due to a constant value being set improperly. This affects how QEMU translates RISC-V instructions into host code, specifically during assembly lowering. + +**Answer:** assembly \ No newline at end of file |