diff options
Diffstat (limited to 'results/classifier/mode-deepseek-r1:32b/reasoning/user/1217')
| -rw-r--r-- | results/classifier/mode-deepseek-r1:32b/reasoning/user/1217 | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/results/classifier/mode-deepseek-r1:32b/reasoning/user/1217 b/results/classifier/mode-deepseek-r1:32b/reasoning/user/1217 new file mode 100644 index 000000000..474d85854 --- /dev/null +++ b/results/classifier/mode-deepseek-r1:32b/reasoning/user/1217 @@ -0,0 +1,13 @@ +<think> +Okay, I'm trying to classify this bug report as either user-mode or system-mode related. Let's see what the problem is about. + +The issue involves a segfault when accessing register eax in QEMU 6.2.0 using qemu-system-x86_64. From the backtrace provided, it looks like the crash happens within the Java HotSpot Virtual Machine (HotSpot) on an OpenJDK installation. The backtrace shows that the error originates from a signal handler for SIGSEGV, which is triggered by an invalid memory access. + +Looking deeper into the stack trace, I see that the problem arises in os::create_thread, which suggests it's related to thread creation. The function do_clone in createthread.c is trying to create a new thread using clone(), but it's failing with rc = 223935. Wait, but when looking at the registers in gdb, I see that rax is set to 0x36abf (which is 223935), but then eax is zero. This discrepancy might be causing issues because when comparing eax to -1, it's not handling the value correctly. + +The test case provided by the user shows that when calling a function returning 223935 and checking if it's -1 using __builtin_expect, the program returns that value. The assembly code for main shows that after the call, it compares eax to 0xffffffff (which is -1 in two's complement) but since rax was set to 223935, which doesn't fit into a 32-bit register correctly when checking for -1. + +This suggests that there might be an issue with how QEMU is handling the registers or the way it's emulating certain instructions. Since this involves thread creation and register handling, it's likely related to how QEMU manages user-space operations rather than hardware or system-level devices. Therefore, this bug seems to be in user-mode emulation. +</think> + +user \ No newline at end of file |