blob: 4c78171d2f9637d12b7d7847473d337b6ff4a6e9 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
x86 BLSMSK semantic bug
description = """The result of instruction BLSMSK is different with from the CPU. The value of CF is different."""
reproduce = """1. Compile this code
void main() {
asm("mov rax, 0x65b2e276ad27c67");
asm("mov rbx, 0x62f34955226b2b5d");
asm("blsmsk eax, ebx");
}
2. Execute and compare the result with the CPU.
- CPU
- CF = 0
- QEMU
- CF = 1"""
additional = """This bug is discovered by research conducted by KAIST SoftSec."""
|