diff options
Diffstat (limited to 'results/classifier/zero-shot-user-mode/output/syscall/1785734')
| -rw-r--r-- | results/classifier/zero-shot-user-mode/output/syscall/1785734 | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/results/classifier/zero-shot-user-mode/output/syscall/1785734 b/results/classifier/zero-shot-user-mode/output/syscall/1785734 new file mode 100644 index 00000000..545f10f2 --- /dev/null +++ b/results/classifier/zero-shot-user-mode/output/syscall/1785734 @@ -0,0 +1,81 @@ +syscall: 0.440 +instruction: 0.319 +runtime: 0.240 + + + +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 |