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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-07-06 16:43:19 +0000 |
| commit | 238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd (patch) | |
| tree | cd8a1b75ba7b3543eb7fe6857f408e7be4d9fd0b /results/classifier/gemma3:27b/instruction/1785734 | |
| parent | 96049c939b1916d80532630d63c14e04d5244f1d (diff) | |
| download | qemu-analysis-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.tar.gz qemu-analysis-238ec2b7cc1557d6f34c33cc482e4d0cd3e266dd.zip | |
add results
Diffstat (limited to 'results/classifier/gemma3:27b/instruction/1785734')
| -rw-r--r-- | results/classifier/gemma3:27b/instruction/1785734 | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/results/classifier/gemma3:27b/instruction/1785734 b/results/classifier/gemma3:27b/instruction/1785734 new file mode 100644 index 000000000..1346c5a11 --- /dev/null +++ b/results/classifier/gemma3:27b/instruction/1785734 @@ -0,0 +1,78 @@ + + + +movdqu partial write at page boundary + +In TCG mode, when a 16-byte write instruction (such as movdqu) is executed at a page boundary and causes a page fault, a partial write is executed in the first page. See the attached code for an example. + +Tested on the qemu-3.0.0-rc1 release. + + +% gcc -m32 qemu-bug2.c && ./a.out && echo && qemu-i386 ./a.out +*(0x70000ff8+ 0) = aa +*(0x70000ff8+ 1) = aa +*(0x70000ff8+ 2) = aa +*(0x70000ff8+ 3) = aa +*(0x70000ff8+ 4) = aa +*(0x70000ff8+ 5) = aa +*(0x70000ff8+ 6) = aa +*(0x70000ff8+ 7) = aa +*(0x70000ff8+ 8) = 55 +*(0x70000ff8+ 9) = 55 +*(0x70000ff8+10) = 55 +*(0x70000ff8+11) = 55 +*(0x70000ff8+12) = 55 +*(0x70000ff8+13) = 55 +*(0x70000ff8+14) = 55 +*(0x70000ff8+15) = 55 +page fault: addr=0x70001000 err=0x7 +*(0x70000ff8+ 0) = aa +*(0x70000ff8+ 1) = aa +*(0x70000ff8+ 2) = aa +*(0x70000ff8+ 3) = aa +*(0x70000ff8+ 4) = aa +*(0x70000ff8+ 5) = aa +*(0x70000ff8+ 6) = aa +*(0x70000ff8+ 7) = aa +*(0x70000ff8+ 8) = 55 +*(0x70000ff8+ 9) = 55 +*(0x70000ff8+10) = 55 +*(0x70000ff8+11) = 55 +*(0x70000ff8+12) = 55 +*(0x70000ff8+13) = 55 +*(0x70000ff8+14) = 55 +*(0x70000ff8+15) = 55 + +*(0x70000ff8+ 0) = aa +*(0x70000ff8+ 1) = aa +*(0x70000ff8+ 2) = aa +*(0x70000ff8+ 3) = aa +*(0x70000ff8+ 4) = aa +*(0x70000ff8+ 5) = aa +*(0x70000ff8+ 6) = aa +*(0x70000ff8+ 7) = aa +*(0x70000ff8+ 8) = 55 +*(0x70000ff8+ 9) = 55 +*(0x70000ff8+10) = 55 +*(0x70000ff8+11) = 55 +*(0x70000ff8+12) = 55 +*(0x70000ff8+13) = 55 +*(0x70000ff8+14) = 55 +*(0x70000ff8+15) = 55 +page fault: addr=0x70001000 err=0x6 +*(0x70000ff8+ 0) = 77 +*(0x70000ff8+ 1) = 66 +*(0x70000ff8+ 2) = 55 +*(0x70000ff8+ 3) = 44 +*(0x70000ff8+ 4) = 33 +*(0x70000ff8+ 5) = 22 +*(0x70000ff8+ 6) = 11 +*(0x70000ff8+ 7) = 0 +*(0x70000ff8+ 8) = 55 +*(0x70000ff8+ 9) = 55 +*(0x70000ff8+10) = 55 +*(0x70000ff8+11) = 55 +*(0x70000ff8+12) = 55 +*(0x70000ff8+13) = 55 +*(0x70000ff8+14) = 55 +*(0x70000ff8+15) = 55 \ No newline at end of file |