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author | Kevin Wolf <kwolf@redhat.com> | 2014-11-25 18:12:41 +0100 |
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committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2015-01-14 17:08:42 -0600 |
commit | 75eb0f5dbb3beaa718b2a6b6acd5b3cce565586a (patch) | |
tree | dd2c8065064cb52050d8abb7e7b2c4f2a389bfd1 | |
parent | b495764ae801daeb4ec690b628301f75838352a1 (diff) | |
download | qemu-75eb0f5dbb3beaa718b2a6b6acd5b3cce565586a.tar.gz |
qcow2.py: Add required padding for header extensions
The qcow2 specification requires that the header extension data be
padded to round up the extension size to the next multiple of 8 bytes.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Message-id: 1416935562-7760-3-git-send-email-kwolf@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
(cherry picked from commit 8884dd1bbc5ce42cd657ffcbef3a477443468974)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
(cherry picked from commit a163ac3f57b5baa117158f7c0488d276ba3377e2)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rwxr-xr-x | tests/qemu-iotests/qcow2.py | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tests/qemu-iotests/qcow2.py b/tests/qemu-iotests/qcow2.py index 2058596964..9cc4cf7d08 100755 --- a/tests/qemu-iotests/qcow2.py +++ b/tests/qemu-iotests/qcow2.py @@ -7,6 +7,10 @@ import string class QcowHeaderExtension: def __init__(self, magic, length, data): + if length % 8 != 0: + padding = 8 - (length % 8) + data += "\0" * padding + self.magic = magic self.length = length self.data = data |