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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-10 17:04:21 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-10 17:04:21 +0000 |
| commit | 7b681b9f9eedaad2f081ae11a32f459f5a1312ff (patch) | |
| tree | 447529eab427f2cb024d33933794a27f30369c4d /results/classifier/015/semantic-x86/gitlab_semantic_adox | |
| 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/015/semantic-x86/gitlab_semantic_adox')
| -rw-r--r-- | results/classifier/015/semantic-x86/gitlab_semantic_adox | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/results/classifier/015/semantic-x86/gitlab_semantic_adox b/results/classifier/015/semantic-x86/gitlab_semantic_adox new file mode 100644 index 000000000..559a00cf4 --- /dev/null +++ b/results/classifier/015/semantic-x86/gitlab_semantic_adox @@ -0,0 +1,68 @@ +x86: 0.996 +semantic: 0.990 +i386: 0.922 +assembly: 0.913 +architecture: 0.909 +graphic: 0.782 +device: 0.776 +debug: 0.706 +ppc: 0.677 +operating system: 0.675 +vnc: 0.663 +kernel: 0.617 +boot: 0.599 +socket: 0.556 +arm: 0.503 +risc-v: 0.501 +permissions: 0.500 +register: 0.494 +performance: 0.460 +mistranslation: 0.452 +network: 0.426 +files: 0.374 +alpha: 0.371 +PID: 0.343 +VMM: 0.283 +TCG: 0.244 +KVM: 0.240 +virtual: 0.238 +peripherals: 0.190 +hypervisor: 0.108 +user-level: 0.047 + +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. |