Jan Kara 22ab5fed07 ext2: Check block size validity during mount
[ Upstream commit 62aeb94433fcec80241754b70d0d1836d5926b0a ]

Check that log of block size stored in the superblock has sensible
value. Otherwise the shift computing the block size can overflow leading
to undefined behavior.

Reported-by: syzbot+4fec412f59eba8c01b77@syzkaller.appspotmail.com
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2023-05-30 12:57:48 +01:00
..
2020-10-16 11:11:22 -07:00
2021-09-18 13:40:15 +02:00
2023-04-20 12:10:26 +02:00
2023-05-17 11:47:35 +02:00
2023-02-22 12:55:54 +01:00
2022-06-09 10:21:16 +02:00
2023-01-04 11:39:23 +01:00
2023-01-14 10:16:27 +01:00