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Diffstat (limited to 'results/classifier/deepseek-2/reasoning/mistranslation/834')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/mistranslation/834 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/mistranslation/834 b/results/classifier/deepseek-2/reasoning/mistranslation/834 new file mode 100644 index 000000000..520f0b810 --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/mistranslation/834 @@ -0,0 +1,22 @@ +<think> +Alright, I need to classify this bug report for QEMU. Let me read through the problem carefully. + +So, the issue is that when running a program via QEMU, signals aren't being caught properly after a `pselect` system call. The test case provided shows that without QEMU, sending SIGUSR1 results in "SIGNAL" being printed. But with QEMU, nothing happens—no output and no signal caught. + +The problem occurs during the pselect call. From what I understand, `pselect` can be interrupted by signals, but after returning, any pending signals should be handled according to the process's signal mask. + +In this case, the program blocks SIGUSR1 using sigprocmask (SIG_BLOCK, &blockset), which includes SIGUSR1. Then it calls pselect with a non-empty set of blocked signals. When a SIGUSR1 is sent while in pselect, the call should be interrupted, and upon return, the signal should be unblocked so that the handler can catch it. + +But in QEMU, this isn't happening. The test case runs an infinite loop calling pselect with 0 fds and empty sets except for the sigset. So when SIGUSR1 is sent, pselect returns immediately because of the signal, but since the program is supposed to unblock the signal upon return, it should catch it via its handler. + +Looking at the possible categories: The bug seems related to how signals are handled in the user-mode emulation part of QEMU. Specifically, it's about how the signals are delivered after being raised during a pselect call. This sounds like an issue with the translation from the host architecture (where the signal is generated) to the target's IR or the way signals are managed in the emulator. + +The categories given include 'mistranslation', which refers to incorrect semantic mapping between source and target, often happening in user-mode. Since this seems to be a problem with how QEMU handles signals during system calls like pselect, it likely falls under 'mistranslation'. + +Other possible categories might include 'kernel' or 'signal handling', but since the options given don't have 'signal', 'mistranslation' is the closest fit. It's about the mapping of the signal delivery mechanism in the user-mode emulation not working correctly. +</think> + +The bug relates to incorrect signal handling during system calls, which falls under 'mistranslation'. + +**Answer:** +mistranslation \ No newline at end of file |