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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-05 20:00:38 +0200 |
| commit | 96049c939b1916d80532630d63c14e04d5244f1d (patch) | |
| tree | 7fb9df428f074078e714f1e038210cdff887185a /results/classifier/user-mode-bugs/1371 | |
| parent | 40bbb77d4dfebff4f99c2f90b2c0db737b0ecc5a (diff) | |
| download | emulator-bug-study-96049c939b1916d80532630d63c14e04d5244f1d.tar.gz emulator-bug-study-96049c939b1916d80532630d63c14e04d5244f1d.zip | |
lock user-mode and semantic-bugs
Diffstat (limited to 'results/classifier/user-mode-bugs/1371')
| -rw-r--r-- | results/classifier/user-mode-bugs/1371 | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/results/classifier/user-mode-bugs/1371 b/results/classifier/user-mode-bugs/1371 new file mode 100644 index 00000000..dae2bdeb --- /dev/null +++ b/results/classifier/user-mode-bugs/1371 @@ -0,0 +1,21 @@ + + +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: +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 information: +This bug is discovered by research conducted by KAIST SoftSec. |