diff options
Diffstat (limited to 'results/classifier/016/assembly-x86/gitlab_semantic_bzhi')
| -rw-r--r-- | results/classifier/016/assembly-x86/gitlab_semantic_bzhi | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/results/classifier/016/assembly-x86/gitlab_semantic_bzhi b/results/classifier/016/assembly-x86/gitlab_semantic_bzhi deleted file mode 100644 index fc53b1ca..00000000 --- a/results/classifier/016/assembly-x86/gitlab_semantic_bzhi +++ /dev/null @@ -1,70 +0,0 @@ -x86: 1.000 -i386: 0.989 -assembly: 0.989 -semantic: 0.987 -debug: 0.282 -register: 0.159 -operating system: 0.067 -kernel: 0.025 -files: 0.022 -TCG: 0.021 -performance: 0.021 -virtual: 0.020 -user-level: 0.013 -hypervisor: 0.010 -architecture: 0.009 -PID: 0.008 -device: 0.008 -peripherals: 0.007 -KVM: 0.004 -network: 0.004 -VMM: 0.003 -risc-v: 0.003 -socket: 0.003 -permissions: 0.003 -boot: 0.003 -alpha: 0.002 -graphic: 0.002 -vnc: 0.001 -ppc: 0.001 -mistranslation: 0.001 -arm: 0.000 - -x86 BZHI semantic bug -Description of problem -The result of instruction BZHI is different from the CPU. The value of destination register and SF of EFLAGS are different. - -Steps to reproduce - -Compile this code - - -void main() { - asm("mov rax, 0xb1aa9da2fe33fe3"); - asm("mov rbx, 0x80000000ffffffff"); - asm("mov rcx, 0xf3fce8829b99a5c6"); - asm("bzhi rax, rbx, rcx"); -} - - - -Execute and compare the result with the CPU. - -CPU - -RAX = 0x0x80000000ffffffff -SF = 1 - - -QEMU - -RAX = 0xffffffff -SF = 0 - - - - - - -Additional information -This bug is discovered by research conducted by KAIST SoftSec. |