[ 465.761863] audit: type=1305 audit(1582369371.185:88859): audit_enabled=1 old=1 auid=4294967295 ses=4294967295 res=1 [ 465.793828] audit: type=1305 audit(1582369371.185:88860): audit_failure=2 old=2 auid=4294967295 ses=4294967295 res=1 [ 470.151851] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 470.158727] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 470.167139] kasan: CONFIG_KASAN_INLINE enabled [ 470.172070] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 470.179424] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 470.185682] Modules linked in: [ 470.188943] CPU: 1 PID: 103 Comm: kworker/u4:3 Not tainted 4.13.0-rc5-syzkaller #0 [ 470.196632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 470.206136] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 470.213218] task: ffff88012ac28400 task.stack: ffff88012ae98000 [ 470.219269] RIP: 0010:batadv_iv_ogm_queue_add+0xdf/0x1110 [ 470.224780] RSP: 0018:ffff88012ae9ef80 EFLAGS: 00010246 [ 470.230221] RAX: 0000000000000000 RBX: ffff88012ae9f1a8 RCX: ffff88010ee53500 [ 470.237497] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 470.244759] RBP: ffff88012ae9f1d0 R08: ffff88010ee53500 R09: 0000000000000001 [ 470.252006] R10: ffffed00255d3e7a R11: ffff88012ac28400 R12: 000000000000003c [ 470.259264] R13: ffff880119f78e40 R14: dffffc0000000000 R15: ffffed00255d3e7a [ 470.266521] FS: 0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000 [ 470.274740] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 470.280613] CR2: 00000000200006c0 CR3: 000000011a572000 CR4: 00000000001406e0 [ 470.287873] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 470.295124] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 470.302465] Call Trace: [ 470.305083] ? debug_check_no_obj_freed+0x3c6/0xcbf [ 470.310119] ? print_usage_bug+0xc0/0xc0 [ 470.314214] ? batadv_iv_gw_dump+0x9d0/0x9d0 [ 470.318619] ? find_held_lock+0x36/0x1c0 [ 470.322695] ? lock_acquire+0x1e5/0x540 [ 470.326693] ? batadv_iv_ogm_schedule+0xa84/0x10b0 [ 470.331739] ? lock_downgrade+0x830/0x830 [ 470.335893] ? debug_smp_processor_id+0x17/0x20 [ 470.340652] ? rcu_is_watching+0x61/0x170 [ 470.345053] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 470.349663] batadv_iv_ogm_schedule+0xcc0/0x10b0 [ 470.354414] ? batadv_iv_ogm_orig_add_if+0x1c0/0x1c0 [ 470.359494] ? kasan_slab_free+0x71/0xc0 [ 470.363545] ? move_linked_works+0x1b4/0x400 [ 470.367932] ? kthread+0x338/0x400 [ 470.371452] ? trace_event_raw_event_workqueue_execute_start+0x1e0/0x1e0 [ 470.378456] ? __lock_is_held+0xb5/0x140 [ 470.382620] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 470.387221] ? trace_hardirqs_off+0x10/0x10 [ 470.391531] ? find_held_lock+0x36/0x1c0 [ 470.395586] ? debug_object_deactivate+0x2cb/0x400 [ 470.400496] ? lock_downgrade+0x830/0x830 [ 470.404696] ? trace_hardirqs_off+0x10/0x10 [ 470.409014] ? lock_acquire+0x1e5/0x540 [ 470.412968] ? process_one_work+0x8ed/0x1920 [ 470.417765] batadv_iv_send_outstanding_bat_ogm_packet+0x576/0xa30 [ 470.424108] ? batadv_iv_iface_activate+0x10/0x10 [ 470.428957] process_one_work+0x9aa/0x1920 [ 470.433289] ? pwq_dec_nr_in_flight+0x510/0x510 [ 470.438004] ? __schedule+0x826/0x1fb0 [ 470.441876] ? trace_hardirqs_off+0x10/0x10 [ 470.446190] ? retint_kernel+0x2d/0x2d [ 470.450068] ? trace_hardirqs_on_caller+0x40c/0x580 [ 470.455172] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 470.459914] ? lock_acquire+0x1e5/0x540 [ 470.463871] ? lock_downgrade+0x830/0x830 [ 470.468057] ? lock_release+0x960/0x960 [ 470.472052] ? do_raw_spin_trylock+0x190/0x190 [ 470.476632] worker_thread+0x215/0x1820 [ 470.480683] ? finish_task_switch+0x1f9/0x770 [ 470.485205] ? process_one_work+0x1920/0x1920 [ 470.489677] ? do_raw_spin_trylock+0x190/0x190 [ 470.494245] ? _raw_spin_unlock_irq+0x27/0x80 [ 470.498728] ? trace_hardirqs_on_caller+0x40c/0x580 [ 470.503746] ? _raw_spin_unlock_irq+0x60/0x80 [ 470.508235] ? finish_task_switch+0x1f9/0x770 [ 470.512716] ? finish_task_switch+0x1d0/0x770 [ 470.517192] ? preempt_notifier_dec+0x20/0x20 [ 470.521668] ? __schedule+0x826/0x1fb0 [ 470.525571] ? __sched_text_start+0x8/0x8 [ 470.529884] ? migrate_swap_stop+0x950/0x950 [ 470.534284] ? find_held_lock+0x36/0x1c0 [ 470.538335] ? complete+0x62/0x80 [ 470.541776] ? __schedule+0x1fb0/0x1fb0 [ 470.545738] ? preempt_schedule+0x4e/0x60 [ 470.549864] ? preempt_schedule_common+0x39/0xe0 [ 470.554597] ? preempt_schedule+0x4e/0x60 [ 470.558733] ? ___preempt_schedule+0x16/0x18 [ 470.563168] ? _raw_spin_unlock_irqrestore+0xbb/0xd0 [ 470.568257] kthread+0x338/0x400 [ 470.571609] ? process_one_work+0x1920/0x1920 [ 470.576087] ? kthread_create_on_node+0xa0/0xa0 [ 470.580787] ret_from_fork+0x2a/0x40 [ 470.584478] 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 bd 0c 00 [ 470.603546] RIP: batadv_iv_ogm_queue_add+0xdf/0x1110 RSP: ffff88012ae9ef80 [ 470.611071] ---[ end trace 2828822a476d85ee ]--- [ 470.615819] Kernel panic - not syncing: Fatal exception [ 470.622686] Kernel Offset: disabled [ 470.626327] Rebooting in 86400 seconds..