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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:19:55 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:19:55 +0200 |
| commit | e5634e2806195bee44407853c4bf8776f7abfa4f (patch) | |
| tree | 6c6e2503f2cd56c0edf08a55d5c8fcb3832fabd0 /classification_output/04/semantic/gitlab_semantic_blsmsk | |
| parent | 05ed9b00104b3da2e9cb0d541b5c5bbceb027fde (diff) | |
| download | qemu-analysis-e5634e2806195bee44407853c4bf8776f7abfa4f.tar.gz qemu-analysis-e5634e2806195bee44407853c4bf8776f7abfa4f.zip | |
add the outputs of the first five revisions of the classifier
Diffstat (limited to 'classification_output/04/semantic/gitlab_semantic_blsmsk')
| -rw-r--r-- | classification_output/04/semantic/gitlab_semantic_blsmsk | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/classification_output/04/semantic/gitlab_semantic_blsmsk b/classification_output/04/semantic/gitlab_semantic_blsmsk new file mode 100644 index 000000000..97ed28934 --- /dev/null +++ b/classification_output/04/semantic/gitlab_semantic_blsmsk @@ -0,0 +1,40 @@ +semantic: 0.987 +instruction: 0.962 +assembly: 0.879 +device: 0.743 +graphic: 0.735 +vnc: 0.612 +socket: 0.607 +mistranslation: 0.603 +boot: 0.585 +network: 0.366 +other: 0.269 +KVM: 0.163 + +x86 BLSMSK semantic bug +Description of problem +The result of instruction BLSMSK is different with from the CPU. The value of CF is different. + +Steps to reproduce + +Compile this code + +void main() { + asm("mov rax, 0x65b2e276ad27c67"); + asm("mov rbx, 0x62f34955226b2b5d"); + asm("blsmsk eax, ebx"); +} + +Execute and compare the result with the CPU. + +CPU + +CF = 0 + + +QEMU + +CF = 1 + +Additional information +This bug is discovered by research conducted by KAIST SoftSec. |