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Diffstat (limited to 'results/classifier/deepseek-2/reasoning/mistranslation/1405')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/mistranslation/1405 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/mistranslation/1405 b/results/classifier/deepseek-2/reasoning/mistranslation/1405 new file mode 100644 index 000000000..f49406eb1 --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/mistranslation/1405 @@ -0,0 +1,19 @@ +<think> +Alright, I'm trying to figure out how to classify this bug report. Let's see what the problem is. + +The user provided a bug in QEMU related to the SYS_get_thread_area and SYS_set_thread_area functions in a multithreaded environment. The issue arises when running a test program that sets up thread areas using syscalls, which are implemented incorrectly in QEMU's user-mode. + +Looking at the categories: mistranslation refers to incorrect semantic mapping from source architecture to IR/target. This seems relevant because QEMU is an emulator/virtualizer that translates system calls (like SYS_set_thread_area) into appropriate operations on the target (host) system, especially when running user-mode code. + +The test case shows that in a multithreaded environment, QEMU's output differs from the expected result. Specifically, the main thread's base_addr is 2 instead of 1 after another thread has modified it. This suggests that the state isn't being handled correctly across threads, possibly due to incorrect handling or sharing of memory regions intended for each thread. + +The additional information points out that the bug occurs because CPUX86State::gdt::base uses the same memory for all threads, leading to data corruption when one thread modifies it. The patch fixes this by ensuring each thread's GDT base is properly copied, likely preventing interference between threads. + +Since this involves incorrect handling of system calls (SYS_set_thread_area and SYS_get_thread_area) in a way that affects multiple threads, the issue relates to how QEMU translates these syscalls into target operations. This points towards mistranslation as the category because it's about the improper mapping of source architecture semantics onto the target environment. + +Other categories like 'device', 'graphic', or 'network' don't fit here since the problem is with system calls and thread handling, not hardware devices or I/O. It's more about how QEMU handles user-mode operations rather than device emulation or other areas. +</think> + +The issue involves incorrect handling of system calls related to thread areas in a multithreaded environment within QEMU's user-mode translation. This points to a mistranslation problem where the target (host) state isn't correctly isolated per thread, leading to data corruption when multiple threads interact. + +**mistranslation** \ No newline at end of file |