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| /openbmc/linux/fs/udf/ |
| H A D | inode.c | diff 85a37983ec69cc9fcd188bc37c4de15ee326355a Tue Jan 03 03:03:35 CST 2023 Jan Kara <jack@suse.cz> udf: Detect system inodes linked into directory hierarchy
When UDF filesystem is corrupted, hidden system inodes can be linked
into directory hierarchy which is an avenue for further serious
corruption of the filesystem and kernel confusion as noticed by syzbot
fuzzed images. Refuse to access system inodes linked into directory
hierarchy and vice versa.
CC: stable@vger.kernel.org
Reported-by: syzbot+38695a20b8addcbc1084@syzkaller.appspotmail.com
Signed-off-by: Jan Kara <jack@suse.cz>
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