Warning: Permanently added '10.128.1.119' (ECDSA) to the list of known hosts. 2021/04/27 21:32:14 fuzzer started 2021/04/27 21:32:15 connecting to host at 10.128.0.169:37723 2021/04/27 21:32:15 checking machine... 2021/04/27 21:32:15 checking revisions... 2021/04/27 21:32:15 testing simple program... syzkaller login: [ 73.447344][ T8429] chnl_net:caif_netlink_parms(): no params data found [ 73.508054][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.516936][ T8429] bridge0: port 1(bridge_slave_0) entered disabled state [ 73.526136][ T8429] device bridge_slave_0 entered promiscuous mode [ 73.535621][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.543269][ T8429] bridge0: port 2(bridge_slave_1) entered disabled state [ 73.551685][ T8429] device bridge_slave_1 entered promiscuous mode [ 73.572083][ T8429] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 73.583534][ T8429] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 73.607232][ T8429] team0: Port device team_slave_0 added [ 73.614963][ T8429] team0: Port device team_slave_1 added [ 73.633798][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 73.642229][ T8429] 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. [ 73.670755][ T8429] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 73.684599][ T8429] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 73.693887][ T8429] 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. [ 73.721470][ T8429] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 73.748556][ T8429] device hsr_slave_0 entered promiscuous mode [ 73.755677][ T8429] device hsr_slave_1 entered promiscuous mode [ 73.858391][ T8429] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 73.870092][ T8429] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 73.880406][ T8429] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 73.891040][ T8429] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 73.917894][ T8429] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.925451][ T8429] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.934186][ T8429] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.941443][ T8429] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.988447][ T8429] 8021q: adding VLAN 0 to HW filter on device bond0 [ 74.003802][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 74.015762][ T8] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.025933][ T8] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.034700][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 74.048443][ T8429] 8021q: adding VLAN 0 to HW filter on device team0 [ 74.062256][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 74.070837][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.078228][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 74.093308][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 74.102557][ T8] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.110136][ T8] bridge0: port 2(bridge_slave_1) entered forwarding state [ 74.131431][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 74.141278][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 74.158105][ T8429] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 74.171064][ T8429] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 74.185347][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 74.194859][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 74.205616][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 74.227690][ T8429] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 74.240749][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 74.248520][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 74.257417][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 74.284195][ T8649] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 74.300358][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 74.309350][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 74.319987][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 74.331495][ T8429] device veth0_vlan entered promiscuous mode [ 74.344961][ T8429] device veth1_vlan entered promiscuous mode [ 74.368760][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 74.377988][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 74.388240][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 74.402258][ T8429] device veth0_macvtap entered promiscuous mode [ 74.412646][ T8429] device veth1_macvtap entered promiscuous mode [ 74.430907][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 74.447862][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 74.457674][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 74.468388][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 74.481653][ T8429] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 74.492005][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 74.503306][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 74.516578][ T8429] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.529614][ T8429] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.539620][ T8429] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.551982][ T8429] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 74.646588][ T3262] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.673396][ T3262] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.685940][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 74.711086][ T86] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 74.728750][ T86] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 74.745799][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/04/27 21:32:18 building call list... [ 75.426783][ T181] ------------[ cut here ]------------ [ 75.441320][ T181] hook not found, pf 3 num 0 [ 75.441891][ T181] WARNING: CPU: 0 PID: 181 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 75.465104][ T181] Modules linked in: [ 75.469229][ T181] CPU: 0 PID: 181 Comm: kworker/u4:3 Not tainted 5.12.0-rc7-syzkaller #0 [ 75.481832][ T181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.493719][ T181] Workqueue: netns cleanup_net [ 75.498706][ T181] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.506980][ T181] 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 [ 75.529391][ T181] RSP: 0018:ffffc9000107fbc0 EFLAGS: 00010286 [ 75.538473][ T181] RAX: 0000000000000000 RBX: ffff888147143b00 RCX: 0000000000000000 [ 75.548000][ T181] RDX: ffff888012018000 RSI: ffffffff815c5205 RDI: fffff5200020ff6a [ 75.557540][ T181] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.567099][ T181] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888019308f20 [ 75.576988][ T181] R13: 0000000000000000 R14: ffff8880149e0480 R15: 0000000000000001 [ 75.586447][ T181] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 75.597052][ T181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.605048][ T181] CR2: 00007fd1c0612000 CR3: 0000000015d60000 CR4: 00000000001506f0 [ 75.620807][ T181] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 75.628911][ T181] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 75.638822][ T181] Call Trace: [ 75.643365][ T181] nf_unregister_net_hooks+0x117/0x160 [ 75.648963][ T181] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.658432][ T181] ? arptable_filter_net_exit+0x20/0x20 [ 75.665239][ T181] cleanup_net+0x451/0xb10 [ 75.672861][ T181] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.679355][ T181] process_one_work+0x98d/0x1600 [ 75.686444][ T181] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.696497][ T181] ? rwlock_bug.part.0+0x90/0x90 [ 75.704139][ T181] ? _raw_spin_lock_irq+0x41/0x50 [ 75.709676][ T181] worker_thread+0x64c/0x1120 [ 75.715475][ T181] ? process_one_work+0x1600/0x1600 [ 75.723743][ T181] kthread+0x3b1/0x4a0 [ 75.727867][ T181] ? __kthread_bind_mask+0xc0/0xc0 [ 75.733733][ T181] ret_from_fork+0x1f/0x30 [ 75.738514][ T181] Kernel panic - not syncing: panic_on_warn set ... [ 75.745119][ T181] CPU: 0 PID: 181 Comm: kworker/u4:3 Not tainted 5.12.0-rc7-syzkaller #0 [ 75.754544][ T181] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.764882][ T181] Workqueue: netns cleanup_net [ 75.769856][ T181] Call Trace: [ 75.773225][ T181] dump_stack+0x141/0x1d7 [ 75.777581][ T181] panic+0x306/0x73d [ 75.781494][ T181] ? __warn_printk+0xf3/0xf3 [ 75.786288][ T181] ? __warn.cold+0x1a/0x44 [ 75.791018][ T181] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.796849][ T181] __warn.cold+0x35/0x44 [ 75.801111][ T181] ? __nf_unregister_net_hook+0x1eb/0x610 [ 75.806965][ T181] report_bug+0x1bd/0x210 [ 75.811356][ T181] handle_bug+0x3c/0x60 [ 75.815614][ T181] exc_invalid_op+0x14/0x40 [ 75.820231][ T181] asm_exc_invalid_op+0x12/0x20 [ 75.825190][ T181] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 75.831768][ T181] 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 [ 75.852391][ T181] RSP: 0018:ffffc9000107fbc0 EFLAGS: 00010286 [ 75.858483][ T181] RAX: 0000000000000000 RBX: ffff888147143b00 RCX: 0000000000000000 [ 75.866468][ T181] RDX: ffff888012018000 RSI: ffffffff815c5205 RDI: fffff5200020ff6a [ 75.874750][ T181] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 75.883032][ T181] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888019308f20 [ 75.891303][ T181] R13: 0000000000000000 R14: ffff8880149e0480 R15: 0000000000000001 [ 75.899384][ T181] ? wake_up_klogd.part.0+0x8e/0xd0 [ 75.904720][ T181] ? vprintk_func+0x95/0x1e0 [ 75.909364][ T181] nf_unregister_net_hooks+0x117/0x160 [ 75.914870][ T181] arpt_unregister_table_pre_exit+0x67/0x80 [ 75.920798][ T181] ? arptable_filter_net_exit+0x20/0x20 [ 75.926478][ T181] cleanup_net+0x451/0xb10 [ 75.931016][ T181] ? ops_free_list.part.0+0x3d0/0x3d0 [ 75.936778][ T181] process_one_work+0x98d/0x1600 [ 75.941841][ T181] ? pwq_dec_nr_in_flight+0x320/0x320 [ 75.947258][ T181] ? rwlock_bug.part.0+0x90/0x90 [ 75.952299][ T181] ? _raw_spin_lock_irq+0x41/0x50 [ 75.957352][ T181] worker_thread+0x64c/0x1120 [ 75.962147][ T181] ? process_one_work+0x1600/0x1600 [ 75.967373][ T181] kthread+0x3b1/0x4a0 [ 75.971849][ T181] ? __kthread_bind_mask+0xc0/0xc0 [ 75.977094][ T181] ret_from_fork+0x1f/0x30 [ 75.983556][ T181] Kernel Offset: disabled [ 75.988156][ T181] Rebooting in 86400 seconds..