Re: [syzbot] KASAN: slab-out-of-bounds Read in add_del_if

[syzbot]

Hello,

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

Reported-and-tested-by: syzbot+24b98616278c31afc800@xxxxxxxxxxxxxxxxxxxxxxxxx

Tested on:

commit:         d15040a3 Merge branch 'bridge-ioctl-fixes'
git tree:       git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git
kernel config:  https://syzkaller.appspot.com/x/.config?x=aba0c23f8230e048
dashboard link: https://syzkaller.appspot.com/bug?extid=24b98616278c31afc800
compiler:       gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1

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