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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-07 17:18:14 +0000 |
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| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-07 17:18:14 +0000 |
| commit | 61361f925d4914a6608a0076e64cc2399311ed5f (patch) | |
| tree | 6f717c2ff0b11d7493e60da9757818d119cfb541 /results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1377 | |
| parent | 238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (diff) | |
| download | emulator-bug-study-61361f925d4914a6608a0076e64cc2399311ed5f.tar.gz emulator-bug-study-61361f925d4914a6608a0076e64cc2399311ed5f.zip | |
add new results
Diffstat (limited to 'results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1377')
| -rw-r--r-- | results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1377 | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1377 b/results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1377 new file mode 100644 index 00000000..b8faf56e --- /dev/null +++ b/results/classifier/no-thinking-deepseek-r1:32b/output/instruction/1377 @@ -0,0 +1,16 @@ + + +x86 CVT* series instructions fault +Description of problem: +For example, CVTSD2SS instruction converts SRC[63:0] double precision floating point to DEST[31:0] single precision floating point. Although the CVTSD2SS instruction uses only 8 bytes, if it overlaps page boundary, I think QEMU tries to access over the valid memory and crashes. +Steps to reproduce: +1. Compile this code +``` +void main() { + mmap(0x555555559000, 0x1000, flag, ~~, 0); + asm("cvtsd2ss xmm1, qword ptr [0x555555559ff8]"); +} +``` +2. Execute. QEMU crashes but CPU does not. +Additional information: +This bug is discovered by research conducted by KAIST SoftSec. |