Public bug reported:
'qemu-img check -r all/leaks' failed with a segmentation fault on the
fuzzed image with L1/L2 entry values having UINT64 border values.
Sequence:
1. Unpack the attached archive, make a copy of test.img
2. Put copy.img and backing_img.raw in the same directory
3. Execute
qemu-img check -f qcow2 -r all copy.img
Result: qemu-img was killed by SIGSEGV.
The qemu-img execution log can be found in the attached archive.
qemu.git HEAD 2d591ce2aeebf
** Affects: qemu
Importance: Undecided
Status: New
** Attachment added: "images.n.traces.tar.gz"
https://bugs.launchpad.net/bugs/1355697/+attachment/4175257/+files/images.n.traces.tar.gz
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https://bugs.launchpad.net/bugs/1355697
Title:
qemu-img: Segfault on a fuzzed image with large values of L1/L2
entries
Status in QEMU:
New
Bug description:
'qemu-img check -r all/leaks' failed with a segmentation fault on the
fuzzed image with L1/L2 entry values having UINT64 border values.
Sequence:
1. Unpack the attached archive, make a copy of test.img
2. Put copy.img and backing_img.raw in the same directory
3. Execute
qemu-img check -f qcow2 -r all copy.img
Result: qemu-img was killed by SIGSEGV.
The qemu-img execution log can be found in the attached archive.
qemu.git HEAD 2d591ce2aeebf
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