[  459.984785] batman_adv: batadv0: Interface deactivated: batadv_slave_0
[  459.991691] batman_adv: batadv0: Removing interface: batadv_slave_0
[  460.000204] batman_adv: batadv0: Interface deactivated: batadv_slave_1
[  460.006967] batman_adv: batadv0: Removing interface: batadv_slave_1
[  460.015454] kasan: CONFIG_KASAN_INLINE enabled
[  460.020139] kasan: GPF could be caused by NULL-ptr deref or user memory access
[  460.027663] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[  460.033872] Modules linked in:
[  460.037083] CPU: 0 PID: 23762 Comm: kworker/u4:3 Not tainted 4.15.0-syzkaller #0
[  460.044637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  460.054012] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
[  460.061083] RIP: 0010:batadv_iv_ogm_queue_add+0xdf/0x10d0
[  460.066595] RSP: 0018:ffff880075626f80 EFLAGS: 00010246
[  460.071938] RAX: 0000000000000000 RBX: ffff8800756271a8 RCX: ffff88008e4c55c0
[  460.079368] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000003
[  460.086621] RBP: ffff8800756271d0 R08: ffff88008e4c55c0 R09: 0000000000000001
[  460.093885] R10: ffff880075627310 R11: ffff88008e4c5628 R12: 000000000000003c
[  460.101130] R13: ffff88008ee81200 R14: ffffed000eac4e7a R15: ffff88008e4c55c0
[  460.108376] FS:  0000000000000000(0000) GS:ffff8800aea00000(0000) knlGS:0000000000000000
[  460.116575] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  460.123120] CR2: 00007f377cc4c000 CR3: 00000000998a8000 CR4: 00000000001406f0
[  460.130450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  460.137690] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  460.144954] Call Trace:
[  460.147529]  ? debug_check_no_obj_freed+0x3c6/0xcbf
[  460.152522]  ? batadv_iv_ogm_iface_enable+0x3f0/0x3f0
[  460.157722]  ? batadv_tvlv_container_ogm_append+0x383/0x4b0
[  460.163421]  ? lock_downgrade+0x8e0/0x8e0
[  460.167555]  ? lock_acquire+0x1f1/0x530
[  460.171504]  ? batadv_iv_ogm_schedule+0xad1/0x1290
[  460.176418]  ? lock_downgrade+0x8e0/0x8e0
[  460.180555]  ? __local_bh_enable_ip+0x160/0x240
[  460.185196]  ? debug_smp_processor_id+0x17/0x20
[  460.189840]  ? rcu_is_watching+0x61/0x170
[  460.193959]  ? rcu_dynticks_eqs_exit+0x70/0x70
[  460.198513]  batadv_iv_ogm_schedule+0xd4c/0x1290
[  460.203241]  ? batadv_iv_ogm_neigh_dump+0x730/0x730
[  460.208226]  ? move_linked_works+0x1ba/0x400
[  460.212604]  ? worker_thread+0x212/0x18f0
[  460.216745]  ? idle_worker_timeout+0x490/0x490
[  460.221309]  ? rcu_lockdep_current_cpu_online+0x19c/0x200
[  460.226845]  ? rcu_pm_notify+0xc0/0xc0
[  460.230709]  ? lock_downgrade+0x8e0/0x8e0
[  460.234849]  ? lock_release+0x990/0x990
[  460.238816]  ? mark_held_locks+0xc7/0x130
[  460.242933]  ? lock_acquire+0x1f1/0x530
[  460.246883]  ? process_one_work+0x8e7/0x18f0
[  460.251263]  batadv_iv_send_outstanding_bat_ogm_packet+0x576/0xa30
[  460.257550]  ? rcu_lockdep_current_cpu_online+0x19c/0x200
[  460.263056]  ? rcu_is_watching+0x61/0x170
[  460.267180]  ? batadv_iv_iface_activate+0x10/0x10
[  460.271994]  process_one_work+0x9a1/0x18f0
[  460.276217]  ? pwq_dec_nr_in_flight+0x510/0x510
[  460.280867]  ? __schedule+0x8cd/0x2120
[  460.284724]  ? preempt_notifier_register+0x1e0/0x1e0
[  460.289797]  ? __schedule+0x8cd/0x2120
[  460.293655]  ? __sched_text_start+0x8/0x8
[  460.297776]  ? debug_check_no_locks_freed+0x310/0x310
[  460.302947]  ? perf_event_update_userpage+0xb30/0xb30
[  460.308112]  ? debug_check_no_locks_freed+0x310/0x310
[  460.313269]  ? lock_acquire+0x1f1/0x530
[  460.317212]  ? lock_downgrade+0x8e0/0x8e0
[  460.321327]  ? lock_release+0x990/0x990
[  460.325269]  ? preempt_schedule+0x4d/0x60
[  460.329385]  ? do_raw_spin_trylock+0x180/0x180
[  460.333940]  worker_thread+0x212/0x18f0
[  460.337881]  ? finish_task_switch+0x1f2/0x8c0
[  460.342348]  ? process_one_work+0x18f0/0x18f0
[  460.346823]  ? do_raw_spin_trylock+0x180/0x180
[  460.351547]  ? _raw_spin_unlock_irq+0x27/0x90
[  460.356020]  ? trace_hardirqs_on_caller+0x3bb/0x5b0
[  460.361004]  ? _raw_spin_unlock_irq+0x60/0x90
[  460.365466]  ? finish_task_switch+0x1f2/0x8c0
[  460.369929]  ? finish_task_switch+0x1c9/0x8c0
[  460.374392]  ? preempt_notifier_register+0x1e0/0x1e0
[  460.379463]  ? __schedule+0x8cd/0x2120
[  460.383322]  ? __sched_text_start+0x8/0x8
[  460.387437]  ? rcu_lockdep_current_cpu_online+0x19c/0x200
[  460.392975]  ? rcu_is_watching+0x61/0x170
[  460.397098]  ? lock_downgrade+0x8e0/0x8e0
[  460.401216]  ? complete+0x62/0x80
[  460.404643]  ? __schedule+0x2120/0x2120
[  460.408610]  ? preempt_schedule_common+0x1f/0xd0
[  460.413339]  ? preempt_schedule+0x4d/0x60
[  460.417458]  ? ___preempt_schedule+0x16/0x18
[  460.421844]  ? _raw_spin_unlock_irqrestore+0xbb/0xd0
[  460.426917]  kthread+0x316/0x3d0
[  460.430254]  ? process_one_work+0x18f0/0x18f0
[  460.434728]  ? kthread_create_on_node+0xa0/0xa0
[  460.439369]  ret_from_fork+0x24/0x30
[  460.443066] Code: f2 c7 40 20 f2 f2 f2 f2 c7 40 24 00 f2 f2 f2 c7 40 28 f2 f2 f2 f2 c7 40 2c 00 f2 f2 f2 c7 40 30 f3 f3 f3 f3 48 89 f8 48 c1 e8 03 <0f> b6 04 10 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 9e 0c 00 
[  460.462111] RIP: batadv_iv_ogm_queue_add+0xdf/0x10d0 RSP: ffff880075626f80
[  460.469687] ---[ end trace 51997f193bd59e67 ]---
[  460.474474] Kernel panic - not syncing: Fatal exception
[  460.481293] Kernel Offset: disabled
[  460.484925] Rebooting in 86400 seconds..