[ 41.504971] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 41.512233] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 41.520602] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 87.524872] NOHZ: local_softirq_pending 08 [ 87.529976] NOHZ: local_softirq_pending 08 [ 189.278149] NOHZ: local_softirq_pending 08 [ 189.282719] NOHZ: local_softirq_pending 08 [ 354.372433] NOHZ: local_softirq_pending 08 [ 354.376777] NOHZ: local_softirq_pending 08 [ 415.815756] NOHZ: local_softirq_pending 08 [ 456.664762] syz-executor.1 (6036) used greatest stack depth: 24088 bytes left [ 457.066862] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 457.073761] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 457.081948] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 457.088726] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 457.095824] kasan: CONFIG_KASAN_INLINE enabled [ 457.100545] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 457.108006] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 457.114263] Modules linked in: [ 457.117448] CPU: 0 PID: 6923 Comm: kworker/u4:6 Not tainted 4.10.0-rc1-syzkaller #0 [ 457.125216] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 457.134745] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 457.141996] task: ffff880118ece540 task.stack: ffff880117e98000 [ 457.148165] RIP: 0010:batadv_iv_ogm_queue_add+0x2f/0xdb0 [ 457.153676] RSP: 0018:ffff880117e9fb78 EFLAGS: 00010286 [ 457.159013] RAX: dffffc0000000000 RBX: ffff88011a17ba00 RCX: ffff88011a17ba00 [ 457.166265] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 457.173619] RBP: ffff880117e9fc10 R08: ffff88011a17ba00 R09: 0000000000000001 [ 457.180903] R10: ffff880118eced98 R11: ffff880118ece540 R12: 000000000000003c [ 457.188164] R13: 0000000000000000 R14: ffff88011a17ba00 R15: ffff88011d99a2c0 [ 457.195514] FS: 0000000000000000(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 [ 457.203728] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 457.209600] CR2: 00005584e60af160 CR3: 000000011b84b000 CR4: 00000000001406f0 [ 457.216869] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 457.224120] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 457.231362] Call Trace: [ 457.233941] ? batadv_iv_ogm_schedule+0x7c9/0xcc0 [ 457.238845] batadv_iv_ogm_schedule+0x95a/0xcc0 [ 457.243521] batadv_iv_send_outstanding_bat_ogm_packet+0x4e0/0x770 [ 457.249872] ? rcu_lockdep_current_cpu_online+0xdc/0x130 [ 457.255411] process_one_work+0x72f/0x16a0 [ 457.259630] ? process_one_work+0x689/0x16a0 [ 457.264013] ? finish_task_switch+0x17f/0x640 [ 457.268494] ? cancel_delayed_work_sync+0x10/0x10 [ 457.273314] worker_thread+0xe1/0x1110 [ 457.277211] ? __schedule+0x83f/0x1b90 [ 457.281092] kthread+0x2c9/0x3d0 [ 457.284430] ? process_one_work+0x16a0/0x16a0 [ 457.288895] ? kthread_create_on_node+0xa0/0xa0 [ 457.293545] ret_from_fork+0x2a/0x40 [ 457.297231] 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 70 <0f> b6 04 02 48 89 fa 48 89 4d b0 83 e2 07 4c 89 45 c0 44 89 4d [ 457.316264] RIP: batadv_iv_ogm_queue_add+0x2f/0xdb0 RSP: ffff880117e9fb78 [ 457.323641] ---[ end trace b0d222fc6203e9c2 ]--- [ 457.328436] Kernel panic - not syncing: Fatal exception [ 457.335476] Kernel Offset: disabled