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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-03 12:04:13 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-03 12:04:13 +0000 |
| commit | 256709d2eb3fd80d768a99964be5caa61effa2a0 (patch) | |
| tree | 05b2352fba70923126836a64b6a0de43902e976a /results/classifier/001/semantic/gitlab_semantic_adox | |
| parent | 2ab14fa96a6c5484b5e4ba8337551bb8dcc79cc5 (diff) | |
| download | emulator-bug-study-256709d2eb3fd80d768a99964be5caa61effa2a0.tar.gz emulator-bug-study-256709d2eb3fd80d768a99964be5caa61effa2a0.zip | |
add new classifier result
Diffstat (limited to 'results/classifier/001/semantic/gitlab_semantic_adox')
| -rw-r--r-- | results/classifier/001/semantic/gitlab_semantic_adox | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/results/classifier/001/semantic/gitlab_semantic_adox b/results/classifier/001/semantic/gitlab_semantic_adox new file mode 100644 index 00000000..c30dc410 --- /dev/null +++ b/results/classifier/001/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. |