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由 Jeff Cody 提交于
Calls to bdrv_getlength() were not checking for error. In vhdx.c, this can lead to truncating an image file, so it is a definite bug. In vhdx-log.c, the path for improper behavior is less clear, but it is best to check in any case. Some minor code movement of the log_guid intialization, as well. Reported-by: NMarkus Armbruster <armbru@redhat.com> Reviewed-by: NEric Blake <eblake@redhat.com> Signed-off-by: NJeff Cody <jcody@redhat.com> Signed-off-by: NKevin Wolf <kwolf@redhat.com>
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