Warning: Permanently added '10.128.0.101' (ECDSA) to the list of known hosts. 2021/05/03 23:39:23 fuzzer started 2021/05/03 23:39:23 connecting to host at 10.128.0.169:32801 2021/05/03 23:39:23 checking machine... 2021/05/03 23:39:23 checking revisions... 2021/05/03 23:39:23 testing simple program... syzkaller login: [ 75.821383][ T8420] chnl_net:caif_netlink_parms(): no params data found [ 75.885751][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.895599][ T8420] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.905041][ T8420] device bridge_slave_0 entered promiscuous mode [ 75.915390][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.923258][ T8420] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.933075][ T8420] device bridge_slave_1 entered promiscuous mode [ 75.953817][ T8420] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.966214][ T8420] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.990327][ T8420] team0: Port device team_slave_0 added [ 75.999038][ T8420] team0: Port device team_slave_1 added [ 76.017596][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.026021][ T8420] 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. [ 76.054122][ T8420] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.067378][ T8420] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.074920][ T8420] 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. [ 76.101543][ T8420] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.128125][ T8420] device hsr_slave_0 entered promiscuous mode [ 76.135860][ T8420] device hsr_slave_1 entered promiscuous mode [ 76.247064][ T8420] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.258542][ T8420] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.269281][ T8420] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.281594][ T8420] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.308639][ T8420] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.316385][ T8420] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.325066][ T8420] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.332665][ T8420] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.384905][ T8420] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.399849][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.410812][ T37] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.423004][ T37] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.431467][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.448317][ T8420] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.460232][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.471039][ T37] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.478839][ T37] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.491115][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.501467][ T3792] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.509301][ T3792] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.533365][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.543079][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.553540][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.567084][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.582416][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.593647][ T8420] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.614586][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.622333][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.638051][ T8420] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.658825][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.680525][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.689361][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.699475][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.712515][ T8420] device veth0_vlan entered promiscuous mode [ 76.725728][ T8420] device veth1_vlan entered promiscuous mode [ 76.750121][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.759400][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.769221][ T37] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.783109][ T8420] device veth0_macvtap entered promiscuous mode [ 76.794942][ T8420] device veth1_macvtap entered promiscuous mode [ 76.814995][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.823527][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.837001][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.850420][ T8420] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.860171][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.869293][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.883106][ T8420] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.893623][ T8420] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.905321][ T8420] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.914925][ T8420] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.007233][ T28] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.017530][ T28] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.030599][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.068694][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.081405][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.094650][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/03 23:39:26 building call list... [ 77.757424][ T3203] ------------[ cut here ]------------ [ 77.767128][ T3203] hook not found, pf 3 num 0 [ 77.767762][ T3203] WARNING: CPU: 1 PID: 3203 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.787417][ T3203] Modules linked in: [ 77.795141][ T3203] CPU: 1 PID: 3203 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 77.807263][ T3203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.819955][ T3203] Workqueue: netns cleanup_net [ 77.827512][ T3203] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.835562][ T3203] 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 80 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 77.860912][ T3203] RSP: 0018:ffffc9000272fbc0 EFLAGS: 00010286 [ 77.870114][ T3203] RAX: 0000000000000000 RBX: ffff888147035800 RCX: 0000000000000000 [ 77.881244][ T3203] RDX: ffff88801cd954c0 RSI: ffffffff815c8ba5 RDI: fffff520004e5f6a [ 77.890682][ T3203] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 77.901438][ T3203] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888028eb0f20 [ 77.911078][ T3203] R13: 0000000000000000 R14: ffff888013e82680 R15: 0000000000000001 [ 77.922006][ T3203] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 77.931516][ T3203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 77.941386][ T3203] CR2: 00007f10f74ec000 CR3: 000000002af5f000 CR4: 00000000001506e0 [ 77.962797][ T3203] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 77.971362][ T3203] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 77.986327][ T3203] Call Trace: [ 77.989754][ T3203] nf_unregister_net_hooks+0x117/0x160 [ 77.999558][ T3203] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.006717][ T3203] ? arptable_filter_net_exit+0x20/0x20 [ 78.015608][ T3203] cleanup_net+0x451/0xb10 [ 78.020086][ T3203] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.029859][ T3203] process_one_work+0x98d/0x1600 [ 78.038144][ T3203] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.044444][ T3203] ? rwlock_bug.part.0+0x90/0x90 [ 78.049593][ T3203] ? _raw_spin_lock_irq+0x41/0x50 [ 78.057177][ T3203] worker_thread+0x64c/0x1120 [ 78.063235][ T3203] ? __kthread_parkme+0x13f/0x1e0 [ 78.068745][ T3203] ? process_one_work+0x1600/0x1600 [ 78.076641][ T3203] kthread+0x3b1/0x4a0 [ 78.081033][ T3203] ? __kthread_bind_mask+0xc0/0xc0 [ 78.087962][ T3203] ret_from_fork+0x1f/0x30 [ 78.095275][ T3203] Kernel panic - not syncing: panic_on_warn set ... [ 78.102064][ T3203] CPU: 1 PID: 3203 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 78.111104][ T3203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.122586][ T3203] Workqueue: netns cleanup_net [ 78.127978][ T3203] Call Trace: [ 78.131372][ T3203] dump_stack+0x141/0x1d7 [ 78.135826][ T3203] panic+0x306/0x73d [ 78.140096][ T3203] ? __warn_printk+0xf3/0xf3 [ 78.144821][ T3203] ? __warn.cold+0x1a/0x44 [ 78.149607][ T3203] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.155348][ T3203] __warn.cold+0x35/0x44 [ 78.159854][ T3203] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.165777][ T3203] report_bug+0x1bd/0x210 [ 78.170543][ T3203] handle_bug+0x3c/0x60 [ 78.174825][ T3203] exc_invalid_op+0x14/0x40 [ 78.179645][ T3203] asm_exc_invalid_op+0x12/0x20 [ 78.184703][ T3203] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.191254][ T3203] 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 80 5a 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.211316][ T3203] RSP: 0018:ffffc9000272fbc0 EFLAGS: 00010286 [ 78.217405][ T3203] RAX: 0000000000000000 RBX: ffff888147035800 RCX: 0000000000000000 [ 78.226527][ T3203] RDX: ffff88801cd954c0 RSI: ffffffff815c8ba5 RDI: fffff520004e5f6a [ 78.234890][ T3203] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.243051][ T3203] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888028eb0f20 [ 78.253503][ T3203] R13: 0000000000000000 R14: ffff888013e82680 R15: 0000000000000001 [ 78.261648][ T3203] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.267067][ T3203] ? vprintk+0x95/0x260 [ 78.271266][ T3203] nf_unregister_net_hooks+0x117/0x160 [ 78.276745][ T3203] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.282857][ T3203] ? arptable_filter_net_exit+0x20/0x20 [ 78.288959][ T3203] cleanup_net+0x451/0xb10 [ 78.293992][ T3203] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.299733][ T3203] process_one_work+0x98d/0x1600 [ 78.304893][ T3203] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.315277][ T3203] ? rwlock_bug.part.0+0x90/0x90 [ 78.320789][ T3203] ? _raw_spin_lock_irq+0x41/0x50 [ 78.326436][ T3203] worker_thread+0x64c/0x1120 [ 78.331367][ T3203] ? __kthread_parkme+0x13f/0x1e0 [ 78.336799][ T3203] ? process_one_work+0x1600/0x1600 [ 78.342135][ T3203] kthread+0x3b1/0x4a0 [ 78.346422][ T3203] ? __kthread_bind_mask+0xc0/0xc0 [ 78.351657][ T3203] ret_from_fork+0x1f/0x30 [ 78.357883][ T3203] Kernel Offset: disabled [ 78.362315][ T3203] Rebooting in 86400 seconds..