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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-10 17:04:21 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-10 17:04:21 +0000 |
| commit | 7b681b9f9eedaad2f081ae11a32f459f5a1312ff (patch) | |
| tree | 447529eab427f2cb024d33933794a27f30369c4d /results/classifier/013/semantic-x86/gitlab_semantic_blsmsk | |
| parent | d804cb5b8f55b5e32c217e728fe02f6e53ecdf78 (diff) | |
| download | qemu-analysis-7b681b9f9eedaad2f081ae11a32f459f5a1312ff.tar.gz qemu-analysis-7b681b9f9eedaad2f081ae11a32f459f5a1312ff.zip | |
add 17th version of the classifier, including results
Diffstat (limited to 'results/classifier/013/semantic-x86/gitlab_semantic_blsmsk')
| -rw-r--r-- | results/classifier/013/semantic-x86/gitlab_semantic_blsmsk | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/results/classifier/013/semantic-x86/gitlab_semantic_blsmsk b/results/classifier/013/semantic-x86/gitlab_semantic_blsmsk new file mode 100644 index 000000000..356e7fcb9 --- /dev/null +++ b/results/classifier/013/semantic-x86/gitlab_semantic_blsmsk @@ -0,0 +1,59 @@ +x86: 0.997 +semantic: 0.987 +architecture: 0.935 +assembly: 0.879 +i386: 0.871 +device: 0.743 +graphic: 0.735 +ppc: 0.729 +operating system: 0.627 +vnc: 0.612 +socket: 0.607 +mistranslation: 0.603 +boot: 0.585 +register: 0.568 +alpha: 0.543 +kernel: 0.521 +arm: 0.512 +risc-v: 0.501 +debug: 0.428 +permissions: 0.370 +network: 0.366 +files: 0.340 +PID: 0.289 +performance: 0.268 +TCG: 0.254 +VMM: 0.231 +virtual: 0.185 +KVM: 0.163 +peripherals: 0.134 +hypervisor: 0.067 +user-level: 0.028 + +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. |