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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-03 19:39:53 +0200 |
| commit | dee4dcba78baf712cab403d47d9db319ab7f95d6 (patch) | |
| tree | 418478faf06786701a56268672f73d6b0b4eb239 /results/classifier/zero-shot/011/semantic/gitlab_semantic_adox | |
| parent | 4d9e26c0333abd39bdbd039dcdb30ed429c475ba (diff) | |
| download | qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.tar.gz qemu-analysis-dee4dcba78baf712cab403d47d9db319ab7f95d6.zip | |
restructure results
Diffstat (limited to 'results/classifier/zero-shot/011/semantic/gitlab_semantic_adox')
| -rw-r--r-- | results/classifier/zero-shot/011/semantic/gitlab_semantic_adox | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/results/classifier/zero-shot/011/semantic/gitlab_semantic_adox b/results/classifier/zero-shot/011/semantic/gitlab_semantic_adox new file mode 100644 index 000000000..eedacd67a --- /dev/null +++ b/results/classifier/zero-shot/011/semantic/gitlab_semantic_adox @@ -0,0 +1,65 @@ +semantic: 0.658 +device: 0.057 +other: 0.049 +graphic: 0.039 +debug: 0.037 +vnc: 0.027 +permissions: 0.024 +boot: 0.020 +performance: 0.017 +PID: 0.017 +files: 0.017 +socket: 0.015 +network: 0.014 +KVM: 0.008 +semantic: 0.837 +debug: 0.071 +other: 0.019 +files: 0.016 +performance: 0.013 +PID: 0.008 +device: 0.007 +KVM: 0.005 +network: 0.005 +graphic: 0.004 +permissions: 0.004 +boot: 0.004 +socket: 0.004 +vnc: 0.002 + +x86 ADOX and ADCX semantic bug +Description of problem +The result of instruction ADOX and ADCX are different from the CPU. The value of one of EFLAGS is different. + +Steps to reproduce + +Compile this code + + +void main() { + asm("push 512; popfq;"); + asm("mov rax, 0xffffffff84fdbf24"); + asm("mov rbx, 0xb197d26043bec15d"); + asm("adox eax, ebx"); +} + + + +Execute and compare the result with the CPU. This problem happens with ADCX, too (with CF). + +CPU + +OF = 0 + + +QEMU + +OF = 1 + + + + + + +Additional information +This bug is discovered by research conducted by KAIST SoftSec. |