Re: [syzbot] [kernel?] KASAN: slab-use-after-free Read in notifier_chain_register

[syzbot]

Hello,

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

Reported-by: syzbot+0988a383ae7c57b99dd9@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+0988a383ae7c57b99dd9@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         7503345a Merge tag 'block-6.13-20241207' of git://git...
git tree:       upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=142f4820580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=9d99f0bff41614d0
dashboard link: https://syzkaller.appspot.com/bug?extid=0988a383ae7c57b99dd9
compiler:       gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40
patch:          https://syzkaller.appspot.com/x/patch.diff?x=11b3f40f980000

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