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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-04 20:55:58 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-04 20:55:58 +0000 |
| commit | 45cde517004371146f7533c59c8005b8b2629291 (patch) | |
| tree | 94d550cdbb053c271101d9cc07e5dddc0a0c7edb /results/classifier/006/semantic/gitlab_semantic_blsmsk | |
| parent | 0ffbcc8b5f9f084a14fa6e4b93095758b63c465d (diff) | |
| download | qemu-analysis-45cde517004371146f7533c59c8005b8b2629291.tar.gz qemu-analysis-45cde517004371146f7533c59c8005b8b2629291.zip | |
add new results
Diffstat (limited to 'results/classifier/006/semantic/gitlab_semantic_blsmsk')
| -rw-r--r-- | results/classifier/006/semantic/gitlab_semantic_blsmsk | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/results/classifier/006/semantic/gitlab_semantic_blsmsk b/results/classifier/006/semantic/gitlab_semantic_blsmsk new file mode 100644 index 000000000..db8658526 --- /dev/null +++ b/results/classifier/006/semantic/gitlab_semantic_blsmsk @@ -0,0 +1,37 @@ +semantic: 0.987 +device: 0.743 +graphic: 0.735 +vnc: 0.612 +socket: 0.607 +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. |