From: Kevin Wolf <kw...@redhat.com>
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 <kw...@redhat.com>
Reviewed-by: Max Reitz <mre...@redhat.com>
Message-id: 1416935562-7760-3-git-send-email-kw...@redhat.com
Signed-off-by: Stefan Hajnoczi <stefa...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
(cherry picked from commit 8884dd1bbc5ce42cd657ffcbef3a477443468974)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
(cherry picked from commit a163ac3f57b5baa117158f7c0488d276ba3377e2)
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
tests/qemu-iotests/qcow2.py | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tests/qemu-iotests/qcow2.py b/tests/qemu-iotests/qcow2.py
index 2058596..9cc4cf7 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
--
1.9.1
