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Diffstat (limited to 'results/classifier/105/instruction/1355738')
| -rw-r--r-- | results/classifier/105/instruction/1355738 | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/results/classifier/105/instruction/1355738 b/results/classifier/105/instruction/1355738 new file mode 100644 index 00000000..05e701fe --- /dev/null +++ b/results/classifier/105/instruction/1355738 @@ -0,0 +1,58 @@ +instruction: 0.589 +semantic: 0.504 +graphic: 0.446 +device: 0.389 +network: 0.267 +vnc: 0.248 +KVM: 0.247 +socket: 0.234 +mistranslation: 0.215 +boot: 0.184 +assembly: 0.156 +other: 0.119 + +qemu-img: Killed by SIGTRAP on check of the fuzzed image + +'qemu-img check -r all' was killed by SIGTRAP. + +Sequence: + 1. Unpack the attached archive, make a copy of test.img + 2. Put copy.img and backing_img.qed in the same directory + 3. Execute + +qemu-img check -f qcow2 -r all copy.img + +Result: qemu-img was killed by SIGTRAP with the reason: + +(process:2210): GLib-ERROR **: gmem.c:140: failed to allocate 18446744069633940288 bytes + +The qemu-img execution log can be found in the attached archive. + +qemu.git HEAD 2d591ce2aeebf + + + +Hi, + +This issue has at least been partially fixed in master (5f77ef69a195098baddfdc6d189f1b4a94587378): + +$ ./qemu-img check -f qcow2 -r all copy.img +# ... +The following inconsistencies were found and repaired: + + 0 leaked clusters + 1 corruptions + +Double checking the fixed image now... + +469 errors were found on the image. +Data may be corrupted, or further writes to the image may corrupt it. + +4766 internal errors have occurred during the check. +2459/4434 = 55.46% allocated, 99.31% fragmented, 10.41% compressed clusters +Image end offset: 2048 + +As with bug 1355697, I'm still working on the repair function. But this image is broken in a way that there's no real way to fix it. The best we could do is ask the user to use qemu-img convert and then hope for the best. I'll just mark this as fixed. + +Max + |