From 5619e72facbc9228d3cf8f844f198e03b536ac8c Mon Sep 17 00:00:00 2001 From: Jonathan Liu Date: Mon, 31 Jul 2017 20:53:39 +1000 Subject: wic: improve generating disk system identifier This should reduce the chance of generating 0xffffffff as the disk system identifier. Signed-off-by: Jonathan Liu Signed-off-by: Richard Purdie --- scripts/lib/wic/plugins/imager/direct.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/scripts/lib/wic/plugins/imager/direct.py b/scripts/lib/wic/plugins/imager/direct.py index 51bdd3a984..5765bbb527 100644 --- a/scripts/lib/wic/plugins/imager/direct.py +++ b/scripts/lib/wic/plugins/imager/direct.py @@ -26,6 +26,7 @@ import logging import os +import random import shutil import tempfile import uuid @@ -303,7 +304,7 @@ class PartitionedImage(): # all partitions (in bytes) self.ptable_format = ptable_format # Partition table format # Disk system identifier - self.identifier = int.from_bytes(os.urandom(4), 'little') or 0xffffffff + self.identifier = random.SystemRandom().randint(1, 0xffffffff) self.partitions = partitions self.partimages = [] -- cgit 1.2.3-korg