EXT4-fs (loop0): VFS: Can't find ext4 filesystem team0: Device batadv_slave_0 is up. Set it down before adding it as a team port ------------[ cut here ]------------ WARNING: CPU: 0 PID: 7938 at net/batman-adv/bat_iv_ogm.c:588 batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:588 [inline] WARNING: CPU: 0 PID: 7938 at net/batman-adv/bat_iv_ogm.c:588 batadv_iv_send_outstanding_bat_ogm_packet+0x611/0x6f0 net/batman-adv/bat_iv_ogm.c:1847 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7938 Comm: kworker/u4:5 Not tainted 4.14.232-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 report_bug+0x208/0x250 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:177 [inline] fixup_bug arch/x86/kernel/traps.c:172 [inline] do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:964 RIP: 0010:batadv_iv_ogm_emit net/batman-adv/bat_iv_ogm.c:588 [inline] RIP: 0010:batadv_iv_send_outstanding_bat_ogm_packet+0x611/0x6f0 net/batman-adv/bat_iv_ogm.c:1847 RSP: 0018:ffff888098a7fcf0 EFLAGS: 00010297 RAX: ffff8880980b8140 RBX: ffff888092ca1188 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8880a9770df0 RBP: ffff88804d65d040 R08: ffffffff8b9996e0 R09: 0000000000040601 R10: ffff8880980b89f0 R11: ffff8880980b8140 R12: ffff8880a9770d80 R13: ffff888092ca1140 R14: ffff8880a92b6480 R15: ffff888092ca1228 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250 kthread+0x30d/0x420 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Kernel Offset: disabled Rebooting in 86400 seconds..