Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. 2021/05/06 16:30:48 fuzzer started 2021/05/06 16:30:48 connecting to host at 10.128.0.169:44473 2021/05/06 16:30:48 checking machine... 2021/05/06 16:30:48 checking revisions... 2021/05/06 16:30:48 testing simple program... syzkaller login: [ 77.218542][ T8426] chnl_net:caif_netlink_parms(): no params data found [ 77.279913][ T8426] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.289084][ T8426] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.298553][ T8426] device bridge_slave_0 entered promiscuous mode [ 77.308161][ T8426] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.317346][ T8426] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.326436][ T8426] device bridge_slave_1 entered promiscuous mode [ 77.347509][ T8426] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.359189][ T8426] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.386663][ T8426] team0: Port device team_slave_0 added [ 77.394954][ T8426] team0: Port device team_slave_1 added [ 77.414588][ T8426] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.422336][ T8426] 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. [ 77.449543][ T8426] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.464354][ T8426] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.471313][ T8426] 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. [ 77.499403][ T8426] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.527118][ T8426] device hsr_slave_0 entered promiscuous mode [ 77.534812][ T8426] device hsr_slave_1 entered promiscuous mode [ 77.647034][ T8426] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.658636][ T8426] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.676915][ T8426] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.689155][ T8426] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.716747][ T8426] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.724125][ T8426] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.733180][ T8426] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.740394][ T8426] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.790066][ T8426] 8021q: adding VLAN 0 to HW filter on device bond0 [ 77.805184][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 77.817976][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.828099][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.837652][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 77.851840][ T8426] 8021q: adding VLAN 0 to HW filter on device team0 [ 77.865374][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.875167][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.884749][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.906413][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.916147][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.924537][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.946542][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.957224][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.966567][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 77.979624][ T8426] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 77.991633][ T8426] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.000205][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.009996][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.033855][ T8426] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.045716][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.054023][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.078215][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.100884][ T8426] device veth0_vlan entered promiscuous mode [ 78.110404][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.119094][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.128215][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.142106][ T8426] device veth1_vlan entered promiscuous mode [ 78.167626][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.177584][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.188328][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.199784][ T8426] device veth0_macvtap entered promiscuous mode [ 78.208401][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.219721][ T8426] device veth1_macvtap entered promiscuous mode [ 78.239810][ T8426] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.248552][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.259620][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.272434][ T8426] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.282416][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.291526][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.303663][ T8426] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.316559][ T8426] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.331769][ T8426] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.341498][ T8426] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 78.443715][ T202] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.460986][ T202] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.477368][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.496462][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.514972][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.527929][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/06 16:30:52 building call list... [ 79.231628][ T9] ------------[ cut here ]------------ [ 79.238587][ T9] hook not found, pf 3 num 0 [ 79.239241][ T9] WARNING: CPU: 1 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.256178][ T9] Modules linked in: [ 79.260824][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 79.270831][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.283465][ T9] Workqueue: netns cleanup_net [ 79.288445][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.298434][ T9] 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 d8 6d 8a e8 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.321173][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 79.328999][ T9] RAX: 0000000000000000 RBX: ffff888149e94e00 RCX: 0000000000000000 [ 79.339038][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 79.347400][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.357482][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038718f20 [ 79.366736][ T9] R13: 0000000000000000 R14: ffff88801317b400 R15: 0000000000000001 [ 79.377145][ T9] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 79.387481][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.396906][ T9] CR2: 000055856d73b188 CR3: 00000000159f5000 CR4: 00000000001506e0 [ 79.406253][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.417098][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.426841][ T9] Call Trace: [ 79.430369][ T9] nf_unregister_net_hooks+0x117/0x160 [ 79.438753][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.446636][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 79.455193][ T9] cleanup_net+0x451/0xb10 [ 79.459667][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.466371][ T9] process_one_work+0x98d/0x1600 [ 79.472893][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.478429][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 79.486584][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 79.493749][ T9] worker_thread+0x64c/0x1120 [ 79.499056][ T9] ? process_one_work+0x1600/0x1600 [ 79.507942][ T9] kthread+0x3b1/0x4a0 [ 79.513027][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 79.518274][ T9] ret_from_fork+0x1f/0x30 [ 79.526291][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 79.532925][ T9] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 79.541723][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.552451][ T9] Workqueue: netns cleanup_net [ 79.557232][ T9] Call Trace: [ 79.560617][ T9] dump_stack+0x141/0x1d7 [ 79.565295][ T9] panic+0x306/0x73d [ 79.569490][ T9] ? __warn_printk+0xf3/0xf3 [ 79.574279][ T9] ? __warn.cold+0x1a/0x44 [ 79.578954][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.585133][ T9] __warn.cold+0x35/0x44 [ 79.589474][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 79.595556][ T9] report_bug+0x1bd/0x210 [ 79.600346][ T9] handle_bug+0x3c/0x60 [ 79.604500][ T9] exc_invalid_op+0x14/0x40 [ 79.609023][ T9] asm_exc_invalid_op+0x12/0x20 [ 79.614057][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.620913][ T9] 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 d8 6d 8a e8 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 79.641414][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 79.648106][ T9] RAX: 0000000000000000 RBX: ffff888149e94e00 RCX: 0000000000000000 [ 79.656400][ T9] RDX: ffff888011d78000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 79.664991][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.673579][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038718f20 [ 79.681903][ T9] R13: 0000000000000000 R14: ffff88801317b400 R15: 0000000000000001 [ 79.690065][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 79.695471][ T9] ? vprintk+0x95/0x260 [ 79.699746][ T9] nf_unregister_net_hooks+0x117/0x160 [ 79.705339][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.711232][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 79.716773][ T9] cleanup_net+0x451/0xb10 [ 79.721361][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.726912][ T9] process_one_work+0x98d/0x1600 [ 79.731879][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.737440][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 79.742374][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 79.747707][ T9] worker_thread+0x64c/0x1120 [ 79.752420][ T9] ? process_one_work+0x1600/0x1600 [ 79.757809][ T9] kthread+0x3b1/0x4a0 [ 79.761960][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 79.767093][ T9] ret_from_fork+0x1f/0x30 [ 79.773362][ T9] Kernel Offset: disabled [ 79.777803][ T9] Rebooting in 86400 seconds..