Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts. 2021/04/27 21:32:19 fuzzer started 2021/04/27 21:32:19 connecting to host at 10.128.0.169:39067 2021/04/27 21:32:19 checking machine... 2021/04/27 21:32:19 checking revisions... 2021/04/27 21:32:19 testing simple program... syzkaller login: [ 75.911625][ T8419] chnl_net:caif_netlink_parms(): no params data found [ 75.965433][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.975614][ T8419] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.990340][ T8419] device bridge_slave_0 entered promiscuous mode [ 76.001518][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.012688][ T8419] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.022671][ T8419] device bridge_slave_1 entered promiscuous mode [ 76.043815][ T8419] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.056321][ T8419] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.081407][ T8419] team0: Port device team_slave_0 added [ 76.090503][ T8419] team0: Port device team_slave_1 added [ 76.110304][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.118608][ T8419] 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. [ 76.150835][ T8419] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.165376][ T8419] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.175366][ T8419] 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. [ 76.205120][ T8419] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.234281][ T8419] device hsr_slave_0 entered promiscuous mode [ 76.242167][ T8419] device hsr_slave_1 entered promiscuous mode [ 76.350737][ T8419] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.363751][ T8419] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.377339][ T8419] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.389839][ T8419] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.416861][ T8419] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.425143][ T8419] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.434071][ T8419] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.442302][ T8419] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.491348][ T8419] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.505615][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.519987][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.530821][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.541056][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.556382][ T8419] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.576361][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.589149][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.597489][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.621440][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.631973][ T8639] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.639423][ T8639] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.649795][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.661375][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.675644][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.693337][ T8419] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 76.706648][ T8419] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.722150][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.733615][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.745098][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.765832][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.774553][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.792263][ T8419] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.813404][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.836909][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.849027][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.858509][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.871384][ T8419] device veth0_vlan entered promiscuous mode [ 76.885839][ T8419] device veth1_vlan entered promiscuous mode [ 76.909802][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.918831][ T8639] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.933908][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 76.944694][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.958652][ T8419] device veth0_macvtap entered promiscuous mode [ 76.970968][ T8419] device veth1_macvtap entered promiscuous mode [ 76.992581][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.010217][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 77.021677][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 77.031231][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.041261][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.054897][ T8419] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.065029][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.075285][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.092204][ T8419] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.102709][ T8419] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.115868][ T8419] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.126598][ T8419] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 77.245123][ T290] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.259805][ T290] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.279644][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.302515][ T290] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.322403][ T290] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.335012][ T2936] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/27 21:32:22 building call list... [ 78.074713][ T25] ------------[ cut here ]------------ [ 78.085981][ T25] hook not found, pf 3 num 0 [ 78.086770][ T25] WARNING: CPU: 1 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 78.109039][ T25] Modules linked in: [ 78.113200][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-rc7-syzkaller #0 [ 78.125855][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.143647][ T25] Workqueue: netns cleanup_net [ 78.151647][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.161208][ 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 00 68 6c 8a e8 2e 07 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.186398][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 78.194709][ T25] RAX: 0000000000000000 RBX: ffff888147a42000 RCX: 0000000000000000 [ 78.211467][ T25] RDX: ffff8880117cb880 RSI: ffffffff815c5205 RDI: fffff520001bff6a [ 78.221359][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.232818][ T25] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff88802b220f20 [ 78.243071][ T25] R13: 0000000000000000 R14: ffff888014462d80 R15: 0000000000000001 [ 78.256378][ T25] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 78.273854][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.291878][ T25] CR2: 00007f239d78f000 CR3: 0000000013bbf000 CR4: 00000000001506e0 [ 78.305454][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.316307][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.329870][ T25] Call Trace: [ 78.334060][ T25] nf_unregister_net_hooks+0x117/0x160 [ 78.341578][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.350272][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 78.356543][ T25] cleanup_net+0x451/0xb10 [ 78.364246][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.373116][ T25] process_one_work+0x98d/0x1600 [ 78.379128][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.385720][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 78.395203][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 78.401453][ T25] worker_thread+0x64c/0x1120 [ 78.406403][ T25] ? process_one_work+0x1600/0x1600 [ 78.415216][ T25] kthread+0x3b1/0x4a0 [ 78.420696][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 78.426055][ T25] ret_from_fork+0x1f/0x30 [ 78.433566][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 78.440559][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-rc7-syzkaller #0 [ 78.450074][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.461656][ T25] Workqueue: netns cleanup_net [ 78.467439][ T25] Call Trace: [ 78.470917][ T25] dump_stack+0x141/0x1d7 [ 78.475469][ T25] panic+0x306/0x73d [ 78.479758][ T25] ? __warn_printk+0xf3/0xf3 [ 78.485125][ T25] ? __warn.cold+0x1a/0x44 [ 78.489940][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.495702][ T25] __warn.cold+0x35/0x44 [ 78.500396][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.506920][ T25] report_bug+0x1bd/0x210 [ 78.511845][ T25] handle_bug+0x3c/0x60 [ 78.517222][ T25] exc_invalid_op+0x14/0x40 [ 78.522166][ T25] asm_exc_invalid_op+0x12/0x20 [ 78.527283][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.533990][ 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 00 68 6c 8a e8 2e 07 8a 01 <0f> 0b e9 e5 00 00 00 e8 f9 34 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.555456][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 78.561722][ T25] RAX: 0000000000000000 RBX: ffff888147a42000 RCX: 0000000000000000 [ 78.570163][ T25] RDX: ffff8880117cb880 RSI: ffffffff815c5205 RDI: fffff520001bff6a [ 78.578496][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.586740][ T25] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff88802b220f20 [ 78.596013][ T25] R13: 0000000000000000 R14: ffff888014462d80 R15: 0000000000000001 [ 78.604745][ T25] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.610240][ T25] ? vprintk_func+0x95/0x1e0 [ 78.615516][ T25] nf_unregister_net_hooks+0x117/0x160 [ 78.621172][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.627416][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 78.633880][ T25] cleanup_net+0x451/0xb10 [ 78.638552][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.644509][ T25] process_one_work+0x98d/0x1600 [ 78.649744][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.655933][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 78.661393][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 78.666545][ T25] worker_thread+0x64c/0x1120 [ 78.671944][ T25] ? process_one_work+0x1600/0x1600 [ 78.678053][ T25] kthread+0x3b1/0x4a0 [ 78.683021][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 78.688686][ T25] ret_from_fork+0x1f/0x30 [ 78.695725][ T25] Kernel Offset: disabled [ 78.700772][ T25] Rebooting in 86400 seconds..