[ 46.307474] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 46.318679] IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready [ 46.326182] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 46.342514] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 46.360352] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 171.849406] NOHZ: local_softirq_pending 08 [ 274.236895] NOHZ: local_softirq_pending 08 [ 274.241223] NOHZ: local_softirq_pending 08 [ 337.674638] random: crng init done [ 337.678215] random: 7 urandom warning(s) missed due to ratelimiting [ 458.332976] syz-executor.3 (6373) used greatest stack depth: 23184 bytes left [ 458.742405] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 458.749266] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 458.757708] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 458.764460] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 458.773140] device bridge_slave_1 left promiscuous mode [ 458.778942] bridge0: port 2(bridge_slave_1) entered disabled state [ 458.833355] device bridge_slave_0 left promiscuous mode [ 458.838894] bridge0: port 1(bridge_slave_0) entered disabled state [ 458.885689] device veth1_macvtap left promiscuous mode [ 458.891609] device veth0_macvtap left promiscuous mode [ 458.896905] device veth1_vlan left promiscuous mode [ 458.902982] device veth0_vlan left promiscuous mode [ 459.020830] device hsr_slave_1 left promiscuous mode [ 459.061772] device hsr_slave_0 left promiscuous mode [ 459.106593] team0 (unregistering): Port device team_slave_1 removed [ 459.117238] team0 (unregistering): Port device team_slave_0 removed [ 459.127348] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 459.162964] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 459.180306] NOHZ: local_softirq_pending 08 [ 459.238289] bond0 (unregistering): Released all slaves [ 460.851269] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 460.858123] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 460.866094] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 460.873189] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 460.882040] device bridge_slave_1 left promiscuous mode [ 460.887585] bridge0: port 2(bridge_slave_1) entered disabled state [ 460.909827] device bridge_slave_0 left promiscuous mode [ 460.915285] bridge0: port 1(bridge_slave_0) entered disabled state [ 460.971257] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 460.977974] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 460.986871] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 460.994060] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 461.001848] device bridge_slave_1 left promiscuous mode [ 461.007263] bridge0: port 2(bridge_slave_1) entered disabled state [ 461.049885] device bridge_slave_0 left promiscuous mode [ 461.055413] bridge0: port 1(bridge_slave_0) entered disabled state [ 461.101432] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 461.108182] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 461.116262] kasan: CONFIG_KASAN_INLINE enabled [ 461.121237] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 461.128631] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 461.134842] Modules linked in: [ 461.138025] CPU: 1 PID: 778 Comm: kworker/u4:0 Not tainted 4.17.0-rc7-syzkaller #0 [ 461.145709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.155212] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 461.162296] RIP: 0010:batadv_iv_ogm_queue_add+0x9b/0xe50 [ 461.167738] RSP: 0018:ffff8800a0eefaa8 EFLAGS: 00010246 [ 461.173247] RAX: dffffc0000000000 RBX: ffff88009bf69640 RCX: 0000000000000000 [ 461.180508] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 461.187882] RBP: ffff8800a0eefbc0 R08: ffff8800a727dac0 R09: 0000000000000001 [ 461.195131] R10: ffffed00141ddf8f R11: 0000000000000003 R12: ffff8800a727dac0 [ 461.202374] R13: dffffc0000000000 R14: ffffed0014e4fb66 R15: 000000000000003c [ 461.209621] FS: 0000000000000000(0000) GS:ffff8800aed00000(0000) knlGS:0000000000000000 [ 461.217836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 461.223707] CR2: 00007f3e09814000 CR3: 00000000a12a8000 CR4: 00000000001406e0 [ 461.230956] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 461.238199] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 461.245444] Call Trace: [ 461.248062] ? mark_held_locks+0xc7/0x130 [ 461.252227] ? __local_bh_enable_ip+0x160/0x240 [ 461.256872] ? batadv_iv_ogm_iface_enable+0x370/0x370 [ 461.262058] ? lock_acquire+0x17e/0x3e0 [ 461.266048] ? kasan_check_read+0x11/0x20 [ 461.270188] batadv_iv_ogm_schedule+0xb7e/0xf30 [ 461.274832] ? batadv_iv_ogm_neigh_dump+0x580/0x580 [ 461.279887] ? debug_object_deactivate+0x214/0x340 [ 461.284793] batadv_iv_send_outstanding_bat_ogm_packet+0x4b2/0x7b0 [ 461.291136] process_one_work+0x780/0x1570 [ 461.295367] ? pwq_dec_nr_in_flight+0x2c0/0x2c0 [ 461.300008] ? lock_acquire+0x17e/0x3e0 [ 461.303954] ? kasan_check_write+0x14/0x20 [ 461.308190] ? do_raw_spin_lock+0xc1/0x200 [ 461.312412] worker_thread+0xd0/0xc00 [ 461.316184] ? kthread_freezable_should_stop+0xe0/0xe0 [ 461.321435] kthread+0x316/0x3d0 [ 461.324842] ? process_one_work+0x1570/0x1570 [ 461.329343] ? kthread_flush_work_fn+0x10/0x10 [ 461.333946] ret_from_fork+0x24/0x30 [ 461.337635] Code: ff 44 89 8d 64 ff ff ff c7 02 f1 f1 f1 f1 c7 42 04 04 f2 f2 f2 48 89 fa 65 48 8b 0c 25 28 00 00 00 48 89 4d d0 31 c9 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 99 0b 00 [ 461.356834] RIP: batadv_iv_ogm_queue_add+0x9b/0xe50 RSP: ffff8800a0eefaa8 [ 461.364070] ---[ end trace e5b3e9643a285bee ]--- [ 461.368819] Kernel panic - not syncing: Fatal exception [ 461.375625] Kernel Offset: disabled [ 461.379249] Rebooting in 86400 seconds..