Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. 2021/05/03 20:59:47 fuzzer started 2021/05/03 20:59:47 connecting to host at 10.128.0.169:41529 2021/05/03 20:59:47 checking machine... 2021/05/03 20:59:47 checking revisions... 2021/05/03 20:59:47 testing simple program... syzkaller login: [ 77.759231][ T8407] chnl_net:caif_netlink_parms(): no params data found [ 77.828571][ T8407] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.836866][ T8407] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.846743][ T8407] device bridge_slave_0 entered promiscuous mode [ 77.856687][ T8407] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.865536][ T8407] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.874552][ T8407] device bridge_slave_1 entered promiscuous mode [ 77.896935][ T8407] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.910536][ T8407] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.935735][ T8407] team0: Port device team_slave_0 added [ 77.943590][ T8407] team0: Port device team_slave_1 added [ 77.963945][ T8407] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.971437][ T8407] 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. [ 78.000576][ T8407] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.014003][ T8407] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.022524][ T8407] 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. [ 78.050429][ T8407] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.080647][ T8407] device hsr_slave_0 entered promiscuous mode [ 78.089777][ T8407] device hsr_slave_1 entered promiscuous mode [ 78.200098][ T8407] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.215346][ T8407] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.226567][ T8407] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.240492][ T8407] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.273436][ T8407] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.284222][ T8407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.293251][ T8407] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.301319][ T8407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.347014][ T8407] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.364631][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.381365][ T5] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.392429][ T5] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.402746][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.419780][ T8407] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.433397][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.443855][ T3791] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.451839][ T3791] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.479737][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.491250][ T3791] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.499175][ T3791] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.511070][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.528472][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.538550][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.548581][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.561978][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.577216][ T8407] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.598342][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.606702][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.624884][ T8407] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.646119][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.669098][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.679404][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.689964][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.702613][ T8407] device veth0_vlan entered promiscuous mode [ 78.716641][ T8407] device veth1_vlan entered promiscuous mode [ 78.738036][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.747965][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.765057][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 78.774169][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.798079][ T8407] device veth0_macvtap entered promiscuous mode [ 78.810713][ T8407] device veth1_macvtap entered promiscuous mode [ 78.829108][ T8407] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.838539][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.850591][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 78.863433][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.874778][ T3791] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.889737][ T8407] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.898494][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.909110][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.922905][ T8407] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.932788][ T8407] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.942597][ T8407] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.952793][ T8407] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.036502][ T277] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.075856][ T277] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 79.083198][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.104002][ T3792] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.119108][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.132950][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 20:59:50 building call list... [ 79.836193][ T277] ------------[ cut here ]------------ [ 79.849298][ T277] hook not found, pf 3 num 0 [ 79.849977][ T277] WARNING: CPU: 1 PID: 277 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.868229][ T277] Modules linked in: [ 79.872834][ T277] CPU: 1 PID: 277 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 79.883854][ T277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.898442][ T277] Workqueue: netns cleanup_net [ 79.905210][ T277] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.917592][ T277] 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 [ 79.942264][ T277] RSP: 0018:ffffc90001bdfbc0 EFLAGS: 00010286 [ 79.949945][ T277] RAX: 0000000000000000 RBX: ffff8881471c8000 RCX: 0000000000000000 [ 79.961689][ T277] RDX: ffff888012b0b880 RSI: ffffffff815c8ba5 RDI: fffff5200037bf6a [ 79.971186][ T277] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.985736][ T277] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019ee0f20 [ 79.995442][ T277] R13: 0000000000000000 R14: ffff888013388180 R15: 0000000000000001 [ 80.006707][ T277] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 80.018993][ T277] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.026334][ T277] CR2: 00007fe2fc058000 CR3: 000000002b459000 CR4: 00000000001506e0 [ 80.035969][ T277] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.048887][ T277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.061620][ T277] Call Trace: [ 80.065253][ T277] nf_unregister_net_hooks+0x117/0x160 [ 80.075458][ T277] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.082731][ T277] ? arptable_filter_net_exit+0x20/0x20 [ 80.091117][ T277] cleanup_net+0x451/0xb10 [ 80.096398][ T277] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.106256][ T277] process_one_work+0x98d/0x1600 [ 80.113642][ T277] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.121628][ T277] ? rwlock_bug.part.0+0x90/0x90 [ 80.129872][ T277] ? _raw_spin_lock_irq+0x41/0x50 [ 80.135715][ T277] worker_thread+0x64c/0x1120 [ 80.147388][ T277] ? __kthread_parkme+0x13f/0x1e0 [ 80.152660][ T277] ? process_one_work+0x1600/0x1600 [ 80.159593][ T277] kthread+0x3b1/0x4a0 [ 80.163897][ T277] ? __kthread_bind_mask+0xc0/0xc0 [ 80.170550][ T277] ret_from_fork+0x1f/0x30 [ 80.175184][ T277] Kernel panic - not syncing: panic_on_warn set ... [ 80.182217][ T277] CPU: 1 PID: 277 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 80.190696][ T277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.202010][ T277] Workqueue: netns cleanup_net [ 80.206883][ T277] Call Trace: [ 80.210348][ T277] dump_stack+0x141/0x1d7 [ 80.214792][ T277] panic+0x306/0x73d [ 80.218969][ T277] ? __warn_printk+0xf3/0xf3 [ 80.224270][ T277] ? __warn.cold+0x1a/0x44 [ 80.228708][ T277] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.234543][ T277] __warn.cold+0x35/0x44 [ 80.239011][ T277] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.245386][ T277] report_bug+0x1bd/0x210 [ 80.249843][ T277] handle_bug+0x3c/0x60 [ 80.254269][ T277] exc_invalid_op+0x14/0x40 [ 80.258772][ T277] asm_exc_invalid_op+0x12/0x20 [ 80.264098][ T277] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.271300][ T277] 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 [ 80.295067][ T277] RSP: 0018:ffffc90001bdfbc0 EFLAGS: 00010286 [ 80.301413][ T277] RAX: 0000000000000000 RBX: ffff8881471c8000 RCX: 0000000000000000 [ 80.310186][ T277] RDX: ffff888012b0b880 RSI: ffffffff815c8ba5 RDI: fffff5200037bf6a [ 80.318336][ T277] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.326761][ T277] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019ee0f20 [ 80.334897][ T277] R13: 0000000000000000 R14: ffff888013388180 R15: 0000000000000001 [ 80.343169][ T277] ? wake_up_klogd.part.0+0x8e/0xd0 [ 80.348659][ T277] ? vprintk+0x95/0x260 [ 80.353213][ T277] nf_unregister_net_hooks+0x117/0x160 [ 80.359206][ T277] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.365220][ T277] ? arptable_filter_net_exit+0x20/0x20 [ 80.370860][ T277] cleanup_net+0x451/0xb10 [ 80.375454][ T277] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.381314][ T277] process_one_work+0x98d/0x1600 [ 80.386710][ T277] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.392175][ T277] ? rwlock_bug.part.0+0x90/0x90 [ 80.397125][ T277] ? _raw_spin_lock_irq+0x41/0x50 [ 80.402434][ T277] worker_thread+0x64c/0x1120 [ 80.407476][ T277] ? __kthread_parkme+0x13f/0x1e0 [ 80.412859][ T277] ? process_one_work+0x1600/0x1600 [ 80.418584][ T277] kthread+0x3b1/0x4a0 [ 80.422801][ T277] ? __kthread_bind_mask+0xc0/0xc0 [ 80.428519][ T277] ret_from_fork+0x1f/0x30 [ 80.434786][ T277] Kernel Offset: disabled [ 80.440200][ T277] Rebooting in 86400 seconds..