Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. 2021/05/03 22:25:20 fuzzer started 2021/05/03 22:25:20 connecting to host at 10.128.0.169:35603 2021/05/03 22:25:20 checking machine... 2021/05/03 22:25:20 checking revisions... 2021/05/03 22:25:20 testing simple program... syzkaller login: [ 81.626762][ T8432] chnl_net:caif_netlink_parms(): no params data found [ 81.683684][ T8432] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.692516][ T8432] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.702004][ T8432] device bridge_slave_0 entered promiscuous mode [ 81.712924][ T8432] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.720927][ T8432] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.728883][ T8432] device bridge_slave_1 entered promiscuous mode [ 81.750899][ T8432] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 81.762507][ T8432] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.787494][ T8432] team0: Port device team_slave_0 added [ 81.795514][ T8432] team0: Port device team_slave_1 added [ 81.813957][ T8432] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.821314][ T8432] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 81.850197][ T8432] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.864005][ T8432] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.871840][ T8432] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 81.900697][ T8432] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.928911][ T8432] device hsr_slave_0 entered promiscuous mode [ 81.936502][ T8432] device hsr_slave_1 entered promiscuous mode [ 82.049058][ T8432] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 82.061630][ T8432] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 82.072510][ T8432] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 82.083675][ T8432] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 82.117644][ T8432] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.125189][ T8432] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.133247][ T8432] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.141080][ T8432] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.191400][ T8432] 8021q: adding VLAN 0 to HW filter on device bond0 [ 82.205721][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 82.218640][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.229180][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.238452][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 82.255838][ T8432] 8021q: adding VLAN 0 to HW filter on device team0 [ 82.268775][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 82.279349][ T2940] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.286631][ T2940] bridge0: port 1(bridge_slave_0) entered forwarding state [ 82.302899][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 82.312131][ T2940] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.319648][ T2940] bridge0: port 2(bridge_slave_1) entered forwarding state [ 82.354338][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 82.363369][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 82.372448][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 82.381586][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 82.391588][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 82.404868][ T8432] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 82.423998][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 82.432737][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 82.447071][ T8432] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 82.468675][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 82.492093][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 82.501893][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 82.510488][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 82.523635][ T8432] device veth0_vlan entered promiscuous mode [ 82.536193][ T8432] device veth1_vlan entered promiscuous mode [ 82.560813][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 82.570718][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 82.579686][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 82.591348][ T8432] device veth0_macvtap entered promiscuous mode [ 82.605242][ T8432] device veth1_macvtap entered promiscuous mode [ 82.613959][ T8652] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.632816][ T8432] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.644367][ T8652] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.655050][ T8652] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.669353][ T8432] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.677432][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.687570][ T2940] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 82.699900][ T8432] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.708865][ T8432] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.719876][ T8432] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.728827][ T8432] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.832617][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.846499][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.867944][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready executing program [ 82.886753][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.904990][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.916046][ T8651] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 22:25:23 building call list... [ 83.689842][ T25] ------------[ cut here ]------------ [ 83.698574][ T25] hook not found, pf 3 num 0 [ 83.706176][ T25] WARNING: CPU: 0 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 83.729895][ T25] Modules linked in: [ 83.735653][ T25] CPU: 0 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 83.749779][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.770255][ T25] Workqueue: netns cleanup_net [ 83.784120][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 83.792888][ T25] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 78 6d 8a e8 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 83.815545][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 83.823265][ T25] RAX: 0000000000000000 RBX: ffff888147667700 RCX: 0000000000000000 [ 83.833079][ T25] RDX: ffff888011fcb880 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 83.846708][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 83.857581][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888036128f20 [ 83.866760][ T25] R13: 0000000000000000 R14: ffff888018acb980 R15: 0000000000000001 [ 83.876485][ T25] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.888123][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.896999][ T25] CR2: 00007f7587ad7000 CR3: 000000001c69e000 CR4: 00000000001506f0 [ 83.906826][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.917926][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.931285][ T25] Call Trace: [ 83.934806][ T25] nf_unregister_net_hooks+0x117/0x160 [ 83.944257][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 83.952733][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 83.958966][ T25] cleanup_net+0x451/0xb10 [ 83.966793][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 83.973767][ T25] process_one_work+0x98d/0x1600 [ 83.978893][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.987740][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 83.994146][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 84.004539][ T25] worker_thread+0x64c/0x1120 [ 84.010505][ T25] ? process_one_work+0x1600/0x1600 [ 84.015932][ T25] kthread+0x3b1/0x4a0 [ 84.023575][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 84.028774][ T25] ret_from_fork+0x1f/0x30 [ 84.035688][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 84.042895][ T25] CPU: 0 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 84.051618][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.061971][ T25] Workqueue: netns cleanup_net [ 84.066864][ T25] Call Trace: [ 84.070167][ T25] dump_stack+0x141/0x1d7 [ 84.075362][ T25] panic+0x306/0x73d [ 84.079371][ T25] ? __warn_printk+0xf3/0xf3 [ 84.084223][ T25] ? __warn.cold+0x1a/0x44 [ 84.088695][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 84.094959][ T25] __warn.cold+0x35/0x44 [ 84.099714][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 84.105993][ T25] report_bug+0x1bd/0x210 [ 84.110597][ T25] handle_bug+0x3c/0x60 [ 84.114970][ T25] exc_invalid_op+0x14/0x40 [ 84.119497][ T25] asm_exc_invalid_op+0x12/0x20 [ 84.124470][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 84.130831][ T25] Code: 0f b6 14 02 48 89 c8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 11 04 00 00 8b 53 1c 89 ee 48 c7 c7 c0 78 6d 8a e8 40 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 84.151373][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 84.157546][ T25] RAX: 0000000000000000 RBX: ffff888147667700 RCX: 0000000000000000 [ 84.165661][ T25] RDX: ffff888011fcb880 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 84.174196][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 84.182284][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888036128f20 [ 84.190473][ T25] R13: 0000000000000000 R14: ffff888018acb980 R15: 0000000000000001 [ 84.198833][ T25] ? wake_up_klogd.part.0+0x8e/0xd0 [ 84.204093][ T25] ? vprintk+0x95/0x260 [ 84.209120][ T25] nf_unregister_net_hooks+0x117/0x160 [ 84.214919][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 84.221014][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 84.226794][ T25] cleanup_net+0x451/0xb10 [ 84.231257][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 84.236854][ T25] process_one_work+0x98d/0x1600 [ 84.241945][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 84.247438][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 84.252579][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 84.257632][ T25] worker_thread+0x64c/0x1120 [ 84.262466][ T25] ? process_one_work+0x1600/0x1600 [ 84.267970][ T25] kthread+0x3b1/0x4a0 [ 84.272076][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 84.277228][ T25] ret_from_fork+0x1f/0x30 [ 84.283519][ T25] Kernel Offset: disabled [ 84.288669][ T25] Rebooting in 86400 seconds..