[ 464.399356] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 464.448577] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 464.459957] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 464.468250] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 464.487789] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 464.496679] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 464.503560] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 464.514740] device veth0_vlan entered promiscuous mode [ 464.527256] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 464.540531] device veth1_vlan entered promiscuous mode [ 464.609378] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 464.624032] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 464.639190] device veth0_macvtap entered promiscuous mode [ 464.649327] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 464.662353] device veth1_macvtap entered promiscuous mode [ 464.674814] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 464.688685] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 464.703087] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 464.718037] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 464.729510] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.738892] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 464.748927] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.758329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 464.768046] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.777190] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 464.787159] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.797798] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 464.809426] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 464.819907] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 464.828981] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 464.836162] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 464.844852] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 464.856291] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.866356] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 464.876113] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.885329] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 464.895053] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.904129] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 464.914134] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 464.924679] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 464.941257] device veth0_vlan entered promiscuous mode [ 464.949184] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 464.958107] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 464.981083] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 464.988996] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 465.008194] device veth1_vlan entered promiscuous mode [ 465.133915] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 465.148927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 465.161604] device veth0_macvtap entered promiscuous mode [ 465.175532] device veth1_macvtap entered promiscuous mode [ 465.189449] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 465.203268] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 465.224433] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 465.234411] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.243858] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 465.253852] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.263877] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 465.274725] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.284173] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 465.293891] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.303002] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 [ 465.312722] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.323203] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 465.350255] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 465.363554] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 465.375508] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.384600] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 465.395094] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.404187] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 465.414619] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.424055] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 465.434420] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.443593] batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 [ 465.453547] batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! [ 465.466316] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 465.475959] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 465.483479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 465.503782] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 465.522951] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 465.551737] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 465.571857] IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready [ 465.588883] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 465.601944] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 465.612331] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 465.716081] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024) [ 465.735430] NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048) [ 465.754658] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready [ 465.763596] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 465.775800] NILFS (loop4): mounting unchecked fs [ 465.782741] NILFS (loop4): recovery complete [ 465.801965] NILFS (loop4): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds [ 465.858642] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 465.974468] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 466.038338] syz-executor.3 (22924) used greatest stack depth: 22736 bytes left [ 466.539433] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 466.547622] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 466.556193] kasan: CONFIG_KASAN_INLINE enabled [ 466.557065] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 466.557072] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 466.575200] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 466.582553] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 466.588757] Modules linked in: [ 466.592051] CPU: 1 PID: 3194 Comm: kworker/u4:5 Not tainted 4.8.0-rc4-syzkaller #0 [ 466.599727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 466.609135] Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet [ 466.616346] task: ffff880132fde000 task.stack: ffff880132f90000 [ 466.622388] RIP: 0010:[] [] batadv_iv_ogm_queue_add+0x2f/0xf50 [ 466.631694] RSP: 0018:ffff880132f97a78 EFLAGS: 00010296 [ 466.637113] RAX: dffffc0000000000 RBX: ffff880128d10780 RCX: ffff880128d10780 [ 466.644355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 466.651599] RBP: ffff880132f97b18 R08: ffff880128d10780 R09: 0000000000000001 [ 466.658860] R10: ffff880132fde860 R11: ffff880132fde000 R12: 000000000000003c [ 466.666118] R13: 0000000000000000 R14: ffff880128d10780 R15: ffff88011bd10ac0 [ 466.673375] FS: 0000000000000000(0000) GS:ffff88013bd00000(0000) knlGS:0000000000000000 [ 466.681587] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 466.687442] CR2: 000055a03bb220b0 CR3: 00000001391d4000 CR4: 00000000001406e0 [ 466.694686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 466.701926] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 466.709167] Stack: [ 466.711287] 0000000000000000 0000000000000000 0000000000000002 0000000000000000 [ 466.719281] ffff880132f97b18 0000000000000282 0000000000000000 ffffffff8661c0fd [ 466.727257] ffff880100000000 00000000000003d4 00000001000040f6 ffff88011bd10000 [ 466.735257] Call Trace: [ 466.737817] [] ? batadv_iv_ogm_schedule+0x7cd/0xcc0 [ 466.744453] [] batadv_iv_ogm_schedule+0x95e/0xcc0 [ 466.750917] [] batadv_iv_send_outstanding_bat_ogm_packet+0x4fa/0x8b0 [ 466.759136] [] process_one_work+0x67d/0x14f0 [ 466.765168] [] ? process_one_work+0x5d2/0x14f0 [ 466.771369] [] ? cancel_delayed_work_sync+0x10/0x10 [ 466.778019] [] worker_thread+0xda/0xf10 [ 466.783614] [] ? __schedule+0x8f6/0x1ec0 [ 466.789296] [] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 466.796207] [] ? process_one_work+0x14f0/0x14f0 [ 466.802495] [] kthread+0x209/0x2d0 [ 466.807653] [] ? kthread_create_on_node+0x390/0x390 [ 466.814289] [] ret_from_fork+0x1f/0x40 [ 466.819793] [] ? kthread_create_on_node+0x390/0x390 [ 466.826426] 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 [ 466.853358] RIP [] batadv_iv_ogm_queue_add+0x2f/0xf50 [ 466.860296] RSP [ 466.875303] ---[ end trace 01c218cdea9a0be0 ]--- [ 466.880162] Kernel panic - not syncing: Fatal exception [ 466.886354] Kernel Offset: disabled