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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-03 12:04:13 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-03 12:04:13 +0000 |
| commit | 256709d2eb3fd80d768a99964be5caa61effa2a0 (patch) | |
| tree | 05b2352fba70923126836a64b6a0de43902e976a /results/classifier/04/semantic/gitlab_semantic_adox | |
| parent | 2ab14fa96a6c5484b5e4ba8337551bb8dcc79cc5 (diff) | |
| download | qemu-analysis-256709d2eb3fd80d768a99964be5caa61effa2a0.tar.gz qemu-analysis-256709d2eb3fd80d768a99964be5caa61effa2a0.zip | |
add new classifier result
Diffstat (limited to 'results/classifier/04/semantic/gitlab_semantic_adox')
| -rw-r--r-- | results/classifier/04/semantic/gitlab_semantic_adox | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/results/classifier/04/semantic/gitlab_semantic_adox b/results/classifier/04/semantic/gitlab_semantic_adox deleted file mode 100644 index ed838cbdd..000000000 --- a/results/classifier/04/semantic/gitlab_semantic_adox +++ /dev/null @@ -1,49 +0,0 @@ -semantic: 0.990 -instruction: 0.944 -assembly: 0.913 -graphic: 0.782 -device: 0.776 -vnc: 0.663 -boot: 0.599 -socket: 0.556 -mistranslation: 0.452 -network: 0.426 -other: 0.286 -KVM: 0.240 - -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. |