Hello netfilter maintainers/developers, This is a 31-day syzbot report for the netfilter subsystem. All related reports/information can be found at: https://syzkaller.appspot.com/upstream/s/netfilter During the period, 2 new issues were detected and 1 were fixed. In total, 7 issues are still open and 158 have been fixed so far. Some of the still happening issues: Ref Crashes Repro Title <1> 47 Yes INFO: rcu detected stall in gc_worker (3) https://syzkaller.appspot.com/bug?extid=eec403943a2a2455adaa <2> 38 Yes INFO: rcu detected stall in worker_thread (9) https://syzkaller.appspot.com/bug?extid=225bfad78b079744fd5e <3> 29 Yes WARNING: suspicious RCU usage in hash_netportnet6_destroy https://syzkaller.appspot.com/bug?extid=bcd44ebc3cd2db18f26c --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. To disable reminders for individual bugs, reply with the following command: #syz set <Ref> no-reminders To change bug's subsystems, reply with: #syz set <Ref> subsystems: new-subsystem You may send multiple commands in a single email message.