syzbot <syzbot+e163f2ff7c3f7efd8203@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: 4c375272fb0b Merge branch 'net-add-preliminary-netdev-refc.. > git tree: net-next > console output: https://syzkaller.appspot.com/x/log.txt?x=164749a9b00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=2b8e24e3a80e3875 > dashboard link: https://syzkaller.appspot.com/bug?extid=e163f2ff7c3f7efd8203 > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11493641b00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11ac6aceb00000 > include/linux/netfilter_netdev.h:97 suspicious rcu_dereference_check() usage! #syz fix: netfilter: egress: avoid a lockdep splat