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qemu-img: Segfault on a fuzzed image with large values of L1/L2 entries
'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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