Jan Kara 99f8a15af6 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>
2023-05-24 17:36:44 +01:00
..
2022-08-17 14:24:07 +02:00
2021-08-19 09:02:55 +09:00
2023-03-17 08:48:50 +01:00
2022-07-02 16:41:14 +02:00
2021-08-26 22:28:02 +02:00
2022-06-09 10:22:55 +02:00
2021-12-29 12:28:59 +01:00
2023-05-17 11:50:14 +02:00
2021-08-19 09:02:55 +09:00
2023-02-22 12:57:05 +01:00
2022-12-14 11:37:31 +01:00
2023-01-12 11:58:47 +01:00
2022-07-02 16:41:17 +02:00
2022-07-12 16:35:08 +02:00
2021-12-14 10:57:15 +01:00
2021-08-10 17:57:22 +02:00