Re: [syzbot] [bcachefs?] UBSAN: shift-out-of-bounds in validate_sb_layout

[syzbot]

Hello,

syzbot has tested the proposed patch and the reproducer did not trigger any issue:

Reported-by: syzbot+089fad5a3a5e77825426@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+089fad5a3a5e77825426@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         c2ee9f59 KVM: selftests: Fix build on on non-x86 archi..
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=10dccc30580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=41330fd2db03893d
dashboard link: https://syzkaller.appspot.com/bug?extid=089fad5a3a5e77825426
compiler:       Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=13dd265f980000

Note: testing is done by a robot and is best-effort only.