[ 60.913011] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 60.923638] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 60.933255] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 126.731340] NOHZ: local_softirq_pending 08 [ 144.649775] NOHZ: local_softirq_pending 08 [ 206.727074] NOHZ: local_softirq_pending 08 [ 206.733012] NOHZ: local_softirq_pending 08 [ 391.039019] NOHZ: local_softirq_pending 08 [ 391.043336] NOHZ: local_softirq_pending 08 [ 391.047741] NOHZ: local_softirq_pending 08 [ 474.862351] NOHZ: local_softirq_pending 08 [ 476.194181] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 476.200972] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 476.211024] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 476.217965] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 476.225247] kasan: CONFIG_KASAN_INLINE enabled [ 476.226605] device bridge_slave_1 left promiscuous mode [ 476.226774] bridge0: port 2(bridge_slave_1) entered disabled state [ 476.241988] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 476.249427] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 476.255736] Modules linked in: [ 476.259053] CPU: 0 PID: 365 Comm: kworker/u4:3 Not tainted 4.8.0-rc6-syzkaller #0 [ 476.266656] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 476.275987] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 476.283179] task: ffff88013a67e000 task.stack: ffff88013a668000 [ 476.289228] RIP: 0010:[] [] batadv_iv_ogm_queue_add+0x2f/0xf50 [ 476.298527] RSP: 0018:ffff88013a66fa78 EFLAGS: 00010296 [ 476.303990] RAX: dffffc0000000000 RBX: ffff88012f0c6f00 RCX: ffff88012f0c6f00 [ 476.311252] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 476.318511] RBP: ffff88013a66fb18 R08: ffff88012f0c6f00 R09: 0000000000000001 [ 476.325758] R10: ffff88013a67e860 R11: ffff88013a67e000 R12: 000000000000003c [ 476.333261] R13: 0000000000000000 R14: ffff88012f0c6f00 R15: ffff8801269eccc0 [ 476.340954] FS: 0000000000000000(0000) GS:ffff88013bc00000(0000) knlGS:0000000000000000 [ 476.349161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 476.355163] CR2: 0000560d286773d8 CR3: 000000012c7dd000 CR4: 00000000001406f0 [ 476.362426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 476.369676] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 476.377078] Stack: [ 476.379622] 0000000000000000 0000000000000000 0000000000000002 0000000000000000 [ 476.387624] ffff88013a66fb18 0000000000000282 0000000000000000 ffffffff866195ed [ 476.396146] ffff880100000000 00000000000003d4 00000001000044ac ffff8801269ec200 [ 476.404155] Call Trace: [ 476.406723] [] ? batadv_iv_ogm_schedule+0x7cd/0xcc0 [ 476.413357] [] batadv_iv_ogm_schedule+0x95e/0xcc0 [ 476.419819] [] batadv_iv_send_outstanding_bat_ogm_packet+0x4fa/0x8b0 [ 476.427933] [] process_one_work+0x67d/0x14f0 [ 476.433975] [] ? process_one_work+0x5d2/0x14f0 [ 476.440178] [] ? cancel_delayed_work_sync+0x10/0x10 [ 476.446999] [] worker_thread+0xda/0xf10 [ 476.452603] [] ? process_one_work+0x14f0/0x14f0 [ 476.458934] [] kthread+0x209/0x2d0 [ 476.464093] [] ? kthread_create_on_node+0x390/0x390 [ 476.470739] [] ret_from_fork+0x1f/0x40 [ 476.476245] [] ? kthread_create_on_node+0x390/0x390 [ 476.482876] Code: 00 00 00 fc ff df 55 48 89 e5 41 57 49 89 ff 48 8d 7e 03 41 56 41 55 49 89 f5 41 54 41 89 d4 48 89 fa 48 c1 ea 03 53 48 83 ec 78 <0f> b6 04 02 48 89 fa 48 89 4d a8 83 e2 07 4c 89 45 b8 44 89 4d [ 476.510076] RIP [] batadv_iv_ogm_queue_add+0x2f/0xf50 [ 476.517010] RSP [ 476.520955] ---[ end trace e8ab247d7524c470 ]--- [ 476.525729] Kernel panic - not syncing: Fatal exception [ 476.532030] Kernel Offset: disabled