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| author | Kevin Wolf <kwolf@redhat.com> | 2014-11-25 18:12:41 +0100 |
|---|---|---|
| committer | Michael Roth <mdroth@linux.vnet.ibm.com> | 2015-02-22 12:24:35 -0600 |
| commit | 9f8da0319dfc321abe98b6454e7970015ac4e23c (patch) | |
| tree | 7aa874a3722c2e43588b3f72c65b410a9ef4d1ed /tests/qemu-iotests/qcow2.py | |
| parent | 63a3acd24af4067c5f8604ddde53c735bf1b95e1 (diff) | |
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>
Diffstat (limited to 'tests/qemu-iotests/qcow2.py')
| -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 |