projects / qemu.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 01e3818) | patch
block/mirror: fix use after free of local_err
authorVladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Tue, 24 Mar 2020 15:36:26 +0000 (18:36 +0300)
committerMax Reitz <mreitz@redhat.com>
Thu, 26 Mar 2020 13:44:32 +0000 (14:44 +0100)
commit66c8672d242e9a494216237648b7787649c2c970
tree637753bcc6ef4f1d1eef69ee39b596edd809aa86tree | snapshot
parent01e38186ecb1fc6275720c5425332eed280ea93dcommit | diff
block/mirror: fix use after free of local_err

local_err is used again in mirror_exit_common() after
bdrv_set_backing_hd(), so we must zero it. Otherwise try to set
non-NULL local_err will crash.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200324153630.11882-3-vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>
block/mirror.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.