Comment 3 for bug 1354529

Hi,

This issue has been fixed in master (5f77ef69a195098baddfdc6d189f1b4a94587378):

$ ./qemu-io copy.img -c 'write 2856960 208896'
qcow2_free_clusters failed: Invalid argument
qcow2_free_clusters failed: Invalid argument
qcow2_free_clusters failed: Invalid argument
qcow2_free_clusters failed: Invalid argument
qcow2_free_clusters failed: Invalid argument
qcow2_free_clusters failed: File too large
qcow2_free_clusters failed: Invalid argument
qcow2: Image is corrupt: Cannot free unaligned cluster 0xfffffffffffe00; further non-fatal corruption events will be suppressed
qcow2_free_clusters failed: Invalid argument
qcow2: Marking image as corrupt: Data cluster offset 0xfffffe00 unaligned (guest offset: 0x2e1000); further corruption events will be suppressed
write failed: Input/output error

Thanks for your report (and your fuzzer),

Max