Description: ext4: avoid a potential slab-out-of-bounds in ext4_group_desc_csum
References:
 https://syzkaller.appspot.com/bug?extid=8785e41224a3afd04321
Notes:
 carnil> Fixed as well in 6.3.3 for 6.3.y.
Bugs:
upstream: released (6.4-rc2) [4f04351888a83e595571de672e0a4a8b74f4fb31]
6.1-upstream-stable: released (6.1.29) [1fffe4750500148f3e744ed77cf233db8342603f]
5.10-upstream-stable: released (5.10.180) [0dde3141c527b09b96bef1e7eeb18b8127810ce9]
4.19-upstream-stable: released (4.19.283) [a733c466cedd1013a41fd8908d5810f2c161072f]
sid: released (6.3.7-1)
6.1-bookworm-security: released (6.1.37-1)
5.10-bullseye-security: released (5.10.191-1)
4.19-buster-security: released (4.19.289-1)