summary refs log tree commit diff stats
path: root/results/classifier/zero-shot-user-mode/output/syscall/1785734
diff options
context:
space:
mode:
Diffstat (limited to 'results/classifier/zero-shot-user-mode/output/syscall/1785734')
-rw-r--r--results/classifier/zero-shot-user-mode/output/syscall/178573481
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 000000000..545f10f26
--- /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