Public bug reported: 'qemu-io -c write' failed on the fuzzed image with missed refcount tables:
Sequence: 1. Unpack the attached archive, make a copy of test.img 2. Put copy.img and backing_img.cow in the same directory 3. Execute qemu-io copy.img -c 'write 2856960 208896' Result: qemu-io was killed by SIGIOT with the reason: qemu-io: block/qcow2-cluster.c:910: handle_copied: Assertion `*host_offset == 0 || offset_into_cluster(s, guest_offset) == offset_into_cluster(s, *host_offset)' failed. qemu.git HEAD 2d591ce2aeebf ** Affects: qemu Importance: Undecided Status: New ** Attachment added: "images.n.traces.tar.gz" https://bugs.launchpad.net/bugs/1354529/+attachment/4172985/+files/images.n.traces.tar.gz -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1354529 Title: qemu-io: Assert failure on the fuzzed qcow2 image Status in QEMU: New Bug description: 'qemu-io -c write' failed on the fuzzed image with missed refcount tables: Sequence: 1. Unpack the attached archive, make a copy of test.img 2. Put copy.img and backing_img.cow in the same directory 3. Execute qemu-io copy.img -c 'write 2856960 208896' Result: qemu-io was killed by SIGIOT with the reason: qemu-io: block/qcow2-cluster.c:910: handle_copied: Assertion `*host_offset == 0 || offset_into_cluster(s, guest_offset) == offset_into_cluster(s, *host_offset)' failed. qemu.git HEAD 2d591ce2aeebf To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1354529/+subscriptions