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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:19:55 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-01 21:19:55 +0200 |
| commit | e5634e2806195bee44407853c4bf8776f7abfa4f (patch) | |
| tree | 6c6e2503f2cd56c0edf08a55d5c8fcb3832fabd0 /classification_output/01/semantic/gitlab_semantic_adox | |
| parent | 05ed9b00104b3da2e9cb0d541b5c5bbceb027fde (diff) | |
| download | emulator-bug-study-e5634e2806195bee44407853c4bf8776f7abfa4f.tar.gz emulator-bug-study-e5634e2806195bee44407853c4bf8776f7abfa4f.zip | |
add the outputs of the first five revisions of the classifier
Diffstat (limited to 'classification_output/01/semantic/gitlab_semantic_adox')
| -rw-r--r-- | classification_output/01/semantic/gitlab_semantic_adox | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/classification_output/01/semantic/gitlab_semantic_adox b/classification_output/01/semantic/gitlab_semantic_adox new file mode 100644 index 00000000..c30dc410 --- /dev/null +++ b/classification_output/01/semantic/gitlab_semantic_adox @@ -0,0 +1,41 @@ +semantic: 0.990 +instruction: 0.944 +mistranslation: 0.452 +other: 0.286 + +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. |