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[Qemu-devel] [Bug 1353456] Re: qemu-io: Failure on a qcow2 image with th
From: |
Max Reitz |
Subject: |
[Qemu-devel] [Bug 1353456] Re: qemu-io: Failure on a qcow2 image with the fuzzed refcount table |
Date: |
Tue, 21 Oct 2014 11:03:30 -0000 |
** Changed in: qemu
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1353456
Title:
qemu-io: Failure on a qcow2 image with the fuzzed refcount table
Status in QEMU:
Fix Committed
Bug description:
'qemu-io -c write' and 'qemu-io -c aio_write' crashes on a qcow2 image
with a fuzzed refcount table.
Sequence:
1. Unpack the attached archive, make a copy of test.img
2. Put copy.img and backing_img.file in the same directory
3. Execute
qemu-io copy.img -c write 279552 322560
or
qemu-io copy.img -c aio_write 836608 166400
Result: qemu-io was killed by SIGIOT with the reason:
qemu-io: block/qcow2-cluster.c:1291: qcow2_alloc_cluster_offset:
Assertion `*host_offset != 0' failed.
qemu.git HEAD 69f87f713069f1f
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