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vmdk: Fix integer overflow in offset calculation

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This fixes the bug introduced by commit c6ac36e (vmdk: Optimize cluster
allocation).

$ ~/build/master/qemu-io /stor/vm/arch.vmdk -c 'write 2G 1k'
write failed: Invalid argument

Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Message-id: 1411437381-11234-1-git-send-email-famz@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Fam Zheng 2014-09-23 09:56:21 +08:00 • committed by Stefan Hajnoczi
parent fbf28a4328
commit d1319b077a
4 changed files with 93 additions and 1 deletions
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1
tests/qemu-iotests/group
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@ -105,3 +105,4 @@
101 rw auto quick
103 rw auto quick
104 rw auto
105 rw auto quick