Re: [syzbot] [netfilter?] KASAN: use-after-free Read in nf_hook_entry_head

[syzbot]

Hello,

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

Reported-by: syzbot+bb9127e278fa198e110c@xxxxxxxxxxxxxxxxxxxxxxxxx
Tested-by: syzbot+bb9127e278fa198e110c@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         fbdfa8da selftests: tc-testing: fix list_categories() ..
git tree:       https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git main
console output: https://syzkaller.appspot.com/x/log.txt?x=153127e6580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=93740e6c6567fcec
dashboard link: https://syzkaller.appspot.com/bug?extid=bb9127e278fa198e110c
compiler:       Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8
patch:          https://syzkaller.appspot.com/x/patch.diff?x=17c71e4a580000

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