diff options
Diffstat (limited to 'results/classifier/016/semantic-x86/gitlab_semantic_blsmsk')
| -rw-r--r-- | results/classifier/016/semantic-x86/gitlab_semantic_blsmsk | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/results/classifier/016/semantic-x86/gitlab_semantic_blsmsk b/results/classifier/016/semantic-x86/gitlab_semantic_blsmsk new file mode 100644 index 00000000..a3e16a08 --- /dev/null +++ b/results/classifier/016/semantic-x86/gitlab_semantic_blsmsk @@ -0,0 +1,59 @@ +x86: 1.000 +semantic: 0.987 +assembly: 0.982 +i386: 0.968 +debug: 0.389 +register: 0.292 +operating system: 0.057 +kernel: 0.047 +files: 0.027 +performance: 0.021 +virtual: 0.019 +TCG: 0.016 +peripherals: 0.011 +user-level: 0.011 +device: 0.009 +PID: 0.008 +architecture: 0.008 +hypervisor: 0.006 +VMM: 0.005 +KVM: 0.004 +network: 0.004 +permissions: 0.003 +socket: 0.003 +boot: 0.003 +graphic: 0.002 +risc-v: 0.002 +alpha: 0.002 +vnc: 0.001 +mistranslation: 0.001 +ppc: 0.000 +arm: 0.000 + +x86 BLSMSK semantic bug +Description of problem +The result of instruction BLSMSK is different with from the CPU. The value of CF is different. + +Steps to reproduce + +Compile this code + +void main() { + asm("mov rax, 0x65b2e276ad27c67"); + asm("mov rbx, 0x62f34955226b2b5d"); + asm("blsmsk eax, ebx"); +} + +Execute and compare the result with the CPU. + +CPU + +CF = 0 + + +QEMU + +CF = 1 + +Additional information +This bug is discovered by research conducted by KAIST SoftSec. |