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

From: Nikolay Aleksandrov
Date: Fri Sep 03 2021 - 07:47:31 EST


On 03/09/2021 14:42, syzbot wrote:
> 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.
>

#syz fix: net: core: don't call SIOCBRADD/DELIF for non-bridge devices