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Diffstat (limited to 'results/classifier/deepseek-2/reasoning/mistranslation/1768')
| -rw-r--r-- | results/classifier/deepseek-2/reasoning/mistranslation/1768 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/deepseek-2/reasoning/mistranslation/1768 b/results/classifier/deepseek-2/reasoning/mistranslation/1768 new file mode 100644 index 00000000..df5801b3 --- /dev/null +++ b/results/classifier/deepseek-2/reasoning/mistranslation/1768 @@ -0,0 +1,19 @@ +<think> +Alright, so I'm trying to figure out how to classify this bug report for QEMU. Let's break it down step by step. + +First, the problem is that on a 32-bit platform using qemu-user (like ARM or PPC), allocating more than about 2GB fails. The user provided steps to reproduce where they try to allocate chunks of 64MB each until it can't anymore. They mention that after around 2GB, the allocation fails. + +Looking at the additional info, the issue is in the functions pageflags_find and pageflags_next. Specifically, these functions are using target_long instead of target_ulong for their third parameter. This could cause sign extension issues because target_long might be signed, leading to incorrect memory addresses when dealing with larger allocations on a 32-bit system. + +Now, considering the categories: mistranslation relates to incorrect semantic mapping from source to IR/target, which is about how code is translated but in user-mode. Since this issue is related to how memory allocation works in QEMU's user-mode emulation, it might be connected to the translation process. + +Assembly lowering (assembly) involves converting high-level instructions to assembly. But here, the problem seems more about memory management rather than instruction translation. + +The other categories like device, graphic, socket, network, KVM, etc., don't seem relevant here because this issue is specific to memory allocation in user-mode emulation. + +So, putting it together, the bug relates to how QEMU handles memory addresses during translation. The incorrect type used for the parameter could be causing the memory management functions to miscalculate or misallocate, leading to the failure after 2GB. Therefore, the category should be 'mistranslation' because it's an issue with how the target architecture is being handled in the user-mode environment. +</think> + +The bug is related to incorrect handling of memory addresses due to a type mismatch in functions used for page flags during user-mode emulation. This affects how memory allocations are managed, leading to failures beyond 2GB. The root cause points to an issue in the translation layer between the source and target architectures. + +**mistranslation** \ No newline at end of file |