diff options
| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
| commit | 238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (patch) | |
| tree | cd8a1b75ba7b3543eb7fe6857f408e7be4d9fd0b /results/classifier/deepseek-r1:32b/reasoning/instruction/1428352 | |
| parent | 96049c939b1916d80532630d63c14e04d5244f1d (diff) | |
| download | qemu-analysis-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.tar.gz qemu-analysis-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.zip | |
add results
Diffstat (limited to 'results/classifier/deepseek-r1:32b/reasoning/instruction/1428352')
| -rw-r--r-- | results/classifier/deepseek-r1:32b/reasoning/instruction/1428352 | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/results/classifier/deepseek-r1:32b/reasoning/instruction/1428352 b/results/classifier/deepseek-r1:32b/reasoning/instruction/1428352 new file mode 100644 index 000000000..942048f7e --- /dev/null +++ b/results/classifier/deepseek-r1:32b/reasoning/instruction/1428352 @@ -0,0 +1,15 @@ +<think> +Alright, let's try to figure out what category this bug report falls under. The user mentioned it's part of QEMU and provided details about a problem with the SYSRET instruction implementation. + +Looking at the report, the issue is related to how the SYSRET instruction handles loading the stack selector (%ss) register. According to Intel's documentation, when returning to user mode using SYSRET, the instruction should reload %ss from IA32_STAR bits 63:48, add 8, and then OR with 3 to set the privilege level to 3. + +In the provided code snippet for helper_sysret(), it seems that the OR with 3 step is missing when setting SS.Selector. This leads to %ss not having the correct privilege level bits set, causing issues like crashes during interrupts in user mode. + +The problem here isn't a system call error or something happening at runtime per se; it's specifically about the implementation of an instruction (SYSRET) within the emulator. The code isn't executing as expected because the instruction isn't handling a specific case correctly. + +So, this seems to be an issue with how QEMU implements the SYSRET instruction. It's more about the instruction's faulty behavior rather than runtime errors or system call problems. +</think> + +The bug report identifies an incorrect implementation of the SYSRET instruction within QEMU, specifically regarding how it sets the stack selector (%ss) privilege level. This falls under issues related to instructions. + +instruction \ No newline at end of file |