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Diffstat (limited to 'results/classifier/deepseek-1/reasoning/mistranslation/1967248')
| -rw-r--r-- | results/classifier/deepseek-1/reasoning/mistranslation/1967248 | 33 |
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diff --git a/results/classifier/deepseek-1/reasoning/mistranslation/1967248 b/results/classifier/deepseek-1/reasoning/mistranslation/1967248 new file mode 100644 index 00000000..f331956e --- /dev/null +++ b/results/classifier/deepseek-1/reasoning/mistranslation/1967248 @@ -0,0 +1,33 @@ +<think> +Okay, I need to classify this bug report according to the given categories for QEMU. Let's read through the details carefully. + +The user is encountering a problem where running an ARM binary under QEMU results in a core dump due to an uncaught target signal 5 (Trace/breakpoint trap). However, when using GDB for remote debugging, the program exits normally without any issues. This suggests that there's something different happening when GDB is attached. + +The key point mentioned is that QEMU isn't correctly translating guest BKPT instructions into the SIGTRAP signal in 32-bit ARM Linux-user mode. The BKPT instruction is used for breakpoints in ARM assembly, and it should generate a trap that the debugger can catch. If QEMU isn't handling this correctly, it could lead to unexpected behavior like core dumps instead of proper debugging stops. + +Looking at the provided ELF header information, the binary is 32-bit ARM with soft-float ABI, which matches what's being run in QEMU. The entry point and other headers seem normal, so it's likely not an issue with the binary itself but rather how QEMU handles the BKPT instruction. + +The user also refers to a previously fixed bug (Launchpad #1873898), indicating that this might be a known issue they thought was resolved. However, they're still experiencing the core dump, so maybe the fix isn't applied correctly or there's another related problem. + +Now, considering the categories provided: mistranslation, assembly lowering, device, graphic, socket, network, KVM, boot, vnc, debug, files, permissions, performance, kernel, peripherals, hypervisor, and others. The issue revolves around how QEMU translates a specific ARM instruction (BKPT) into a signal (SIGTRAP). This sounds like a problem in the code generation or assembly lowering phase. + +Mistranslation refers to incorrect semantic mapping from the source architecture to the target or IR. In this case, the BKPT isn't being translated correctly to SIGTRAP. Alternatively, it could be an issue with how QEMU handles breakpoints, which might fall under 'debug' category since breakpoints are a debugging feature. + +But since the problem is about translating guest instructions into signals (SIGTRAP), it's more related to how the code is lowered from the guest architecture to the host or target. This points towards 'assembly lowering', which is the process of converting high-level IR to machine-specific assembly, including handling traps and exceptions. + +However, sometimes such issues might be categorized under 'debug' because they relate to debugging functionality, like breakpoints not working as expected when using GDB with QEMU. + +Wait, but the user mentions that without GDB, it's causing a core dump. So it's about how QEMU handles the breakpoint instruction in general, which could impact both normal execution and debugging modes. + +Given that, 'mistranslation' might be more accurate because it's about the incorrect handling of an ARM instruction leading to improper signal generation. Alternatively, if it's a problem during assembly lowering (converting instructions to machine code), then 'assembly' would fit. + +But since the user is encountering a core dump when running without GDB and not hitting breakpoints as expected, it seems like QEMU isn't generating the correct signals for breakpoints, which might be part of the translation process. This could fall under 'mistranslation'. + +Alternatively, if it's about how breakpoints are handled in the debugging context, then 'debug' would be appropriate. + +I think the primary issue here is that QEMU isn't correctly mapping the guest BKPT instruction to the host SIGTRAP signal, which relates to code translation. Therefore, it should be classified under 'mistranslation'. +</think> + +The bug report discusses an issue where QEMU fails to translate a specific ARM instruction (BKPT) into the appropriate signal (SIGTRAP), causing core dumps when breakpoints are hit without GDB attached but running normally with remote debugging. This points to incorrect handling during code translation, making 'mistranslation' the appropriate category. + +Answer: mistranslation \ No newline at end of file |