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image-fuzzer: Open image files in binary mode

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This probably never caused problems because on Linux there's no
actual newline conversion happening, but on Python 3 the
binary/text distinction is stronger and we must explicitly open
the image file in binary mode.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20191016192430.25098-2-ehabkost@redhat.com
Message-Id: <20191016192430.25098-2-ehabkost@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Eduardo Habkost 2019-10-16 16:24:21 -03:00 committed by Stefan Hajnoczi
parent 36609b4fa3
commit 60d3af55da
1 changed files with 1 additions and 1 deletions
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2
tests/image-fuzzer/qcow2/layout.py
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@ -503,7 +503,7 @@ class Image(object):
def write(self, filename):
"""Write an entire image to the file."""
image_file = open(filename, 'w')
image_file = open(filename, 'wb')
for field in self:
image_file.seek(field.offset)
image_file.write(struct.pack(field.fmt, field.value))