diff options
Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/runtime/1412')
| -rw-r--r-- | results/classifier/deepseek-r1:32b/reasoning/runtime/1412 | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/runtime/1412 b/results/classifier/deepseek-r1:32b/reasoning/runtime/1412 new file mode 100644 index 00000000..694876e0 --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/runtime/1412 @@ -0,0 +1,19 @@ +<think> +Okay, so I'm trying to figure out how to classify this bug report about QEMU crashing when executing certain SVE instructions. The user has provided some context and wants me to categorize it under one of three options: instruction, syscall, or runtime. + +First, let's break down the problem. After upgrading to QEMU v7.2.0 from 7.1.0, executing any SVE ldff1* instructions with a faulting address causes a crash due to a null pointer dereference in sve_probe_page at line 5364 of target/arm/sve_helper.c. + +The user points out that this issue was introduced by a specific commit (b8967ddf393aaf35fdbc07b4cb538a40f8b6fe37) by @rth7680. In this commit, the variable `full` is dereferenced before checking if `flags & TLB_INVALID_MASK`. The `probe_access_full` function sets `full` to null when encountering an invalid TLB entry. + +So, in terms of the categories: + +1. **Instruction**: This would relate to issues with specific CPU instructions or their handling. +2. **Syscall**: Issues related to system calls, which don't seem to be mentioned here. +3. **Runtime**: Errors that occur during runtime, such as crashes due to null pointers. + +The problem is occurring during the execution of SVE ldff1* instructions, which are specific ARM Scalable Vector Extension instructions. The crash happens because `full` is dereferenced before checking if it's valid, leading to a null pointer exception. This suggests that the bug is in how QEMU handles these instructions at runtime. + +While the issue arises during instruction execution, the root cause is more about how memory access is handled, which falls under runtime errors rather than an issue with the instruction itself or a syscall. Therefore, it's better categorized as a runtime error. +</think> + +runtime \ No newline at end of file |