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[Qemu-devel] [Bug 1349972] Re: qcow2-refcount: qemu-io crashes on 'disca
[Qemu-devel] [Bug 1349972] Re: qcow2-refcount: qemu-io crashes on 'discard' command
Thu, 23 Jun 2016 06:53:21 -0000
Fix has been included here:
... so I think it should be OK now to mark this ticket as fixed.
** Changed in: qemu
Status: In Progress => Fix Released
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qcow2-refcount: qemu-io crashes on 'discard' command
Status in QEMU:
qemu-io is killed by SIGIOT at the 'discard' command on the image
having no refcount information.
1. Unpack test.img and backing_img.qed in the same directory (see the
attached archives for images)
2. Make a copy of test.img to copy.img (qemu-io modifies the image before
being kill, therefore the image backup is necessary)
3. Run the command
qemu-io copy.img -c 'discard 2210816 2856448'
Result: qemu-io is killed by SIGIOT with the reason:
qemu-io: block/qcow2-refcount.c:468: update_refcount_discard:
Assertion `d->bytes + length == new_end - new_start' failed.
The image was generated by the image fuzzer.
qemu.git HEAD: 1d80eb7a680d
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T. Huth <=