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[Qemu-devel] [Bug 1353456] [NEW] qemu-io: Failure on a qcow2 image with
From: |
Maria Kustova |
Subject: |
[Qemu-devel] [Bug 1353456] [NEW] qemu-io: Failure on a qcow2 image with the fuzzed refcount table |
Date: |
Wed, 06 Aug 2014 12:22:23 -0000 |
Public bug reported:
'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
** Affects: qemu
Importance: Undecided
Status: New
** Attachment added: "traces.n.images.tar.gz"
https://bugs.launchpad.net/bugs/1353456/+attachment/4171103/+files/traces.n.images.tar.gz
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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:
New
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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