Warning: Permanently added '10.128.0.20' (ECDSA) to the list of known hosts. 2021/05/03 16:31:00 fuzzer started 2021/05/03 16:31:00 connecting to host at 10.128.0.169:44333 2021/05/03 16:31:00 checking machine... 2021/05/03 16:31:00 checking revisions... 2021/05/03 16:31:00 testing simple program... syzkaller login: [ 82.728310][ T8425] chnl_net:caif_netlink_parms(): no params data found [ 82.786655][ T8425] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.794973][ T8425] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.804323][ T8425] device bridge_slave_0 entered promiscuous mode [ 82.818152][ T8425] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.826348][ T8425] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.834321][ T8425] device bridge_slave_1 entered promiscuous mode [ 82.859423][ T8425] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.873491][ T8425] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.899451][ T8425] team0: Port device team_slave_0 added [ 82.909865][ T8425] team0: Port device team_slave_1 added [ 82.931220][ T8425] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 82.939270][ T8425] 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. [ 82.968545][ T8425] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 82.982621][ T8425] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 82.991873][ T8425] 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. [ 83.020823][ T8425] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 83.053608][ T8425] device hsr_slave_0 entered promiscuous mode [ 83.062433][ T8425] device hsr_slave_1 entered promiscuous mode [ 83.177989][ T8425] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 83.191630][ T8425] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 83.203398][ T8425] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 83.215007][ T8425] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 83.242793][ T8425] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.250493][ T8425] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.260963][ T8425] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.268694][ T8425] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.317960][ T8425] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.333509][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.348470][ T27] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.358609][ T27] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.371311][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.387449][ T8425] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.400359][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.412464][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.420777][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.436857][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.446460][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.454420][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.479199][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.489189][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 83.498970][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.516356][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.525338][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.540019][ T8425] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.567476][ T8425] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 83.580816][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 83.589737][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 83.611557][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 83.635785][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 83.646238][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 83.655195][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 83.666910][ T8425] device veth0_vlan entered promiscuous mode [ 83.681218][ T8425] device veth1_vlan entered promiscuous mode [ 83.706013][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 83.718062][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 83.735319][ T8425] device veth0_macvtap entered promiscuous mode [ 83.743757][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 83.754887][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 83.767789][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 83.779207][ T8425] device veth1_macvtap entered promiscuous mode [ 83.800069][ T8425] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 83.810438][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 83.820356][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 83.830575][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 83.845419][ T8425] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 83.855592][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 83.866306][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 83.880442][ T8425] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.891682][ T8425] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.903514][ T8425] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 83.916688][ T8425] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 84.034034][ T89] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.066416][ T89] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.084974][ T159] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 84.087770][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 84.094202][ T159] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 84.119823][ T3151] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 16:31:04 building call list... [ 84.844979][ T89] ------------[ cut here ]------------ [ 84.851230][ T89] hook not found, pf 3 num 0 [ 84.851898][ T89] WARNING: CPU: 0 PID: 89 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 84.881037][ T89] Modules linked in: [ 84.889164][ T89] CPU: 0 PID: 89 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 84.900607][ T89] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.915531][ T89] Workqueue: netns cleanup_net [ 84.921906][ T89] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 84.933141][ T89] 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 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 84.963986][ T89] RSP: 0018:ffffc900010ffbc0 EFLAGS: 00010286 [ 84.971879][ T89] RAX: 0000000000000000 RBX: ffff888021a3b200 RCX: 0000000000000000 [ 84.983793][ T89] RDX: ffff8880122c8000 RSI: ffffffff815c8ba5 RDI: fffff5200021ff6a [ 84.996100][ T89] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 85.009057][ T89] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880289e8f20 [ 85.020130][ T89] R13: 0000000000000000 R14: ffff888018795700 R15: 0000000000000001 [ 85.029716][ T89] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 85.042083][ T89] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.051263][ T89] CR2: 00007f73315d9020 CR3: 0000000012ea0000 CR4: 00000000001506f0 [ 85.062946][ T89] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.073369][ T89] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.088983][ T89] Call Trace: [ 85.092639][ T89] nf_unregister_net_hooks+0x117/0x160 [ 85.100738][ T89] arpt_unregister_table_pre_exit+0x67/0x80 [ 85.109770][ T89] ? arptable_filter_net_exit+0x20/0x20 [ 85.117437][ T89] cleanup_net+0x451/0xb10 [ 85.122358][ T89] ? ops_free_list.part.0+0x3d0/0x3d0 [ 85.131250][ T89] process_one_work+0x98d/0x1600 [ 85.138254][ T89] ? pwq_dec_nr_in_flight+0x320/0x320 [ 85.144147][ T89] ? rwlock_bug.part.0+0x90/0x90 [ 85.152679][ T89] ? _raw_spin_lock_irq+0x41/0x50 [ 85.159104][ T89] worker_thread+0x64c/0x1120 [ 85.164374][ T89] ? process_one_work+0x1600/0x1600 [ 85.178060][ T89] kthread+0x3b1/0x4a0 [ 85.183304][ T89] ? __kthread_bind_mask+0xc0/0xc0 [ 85.192277][ T89] ret_from_fork+0x1f/0x30 [ 85.198162][ T89] Kernel panic - not syncing: panic_on_warn set ... [ 85.205162][ T89] CPU: 0 PID: 89 Comm: kworker/u4:2 Not tainted 5.12.0-syzkaller #0 [ 85.215272][ T89] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.228631][ T89] Workqueue: netns cleanup_net [ 85.233756][ T89] Call Trace: [ 85.238124][ T89] dump_stack+0x141/0x1d7 [ 85.242495][ T89] panic+0x306/0x73d [ 85.246517][ T89] ? __warn_printk+0xf3/0xf3 [ 85.251227][ T89] ? __warn.cold+0x1a/0x44 [ 85.256034][ T89] ? __nf_unregister_net_hook+0x1eb/0x610 [ 85.262039][ T89] __warn.cold+0x35/0x44 [ 85.266743][ T89] ? __nf_unregister_net_hook+0x1eb/0x610 [ 85.273016][ T89] report_bug+0x1bd/0x210 [ 85.277720][ T89] handle_bug+0x3c/0x60 [ 85.282234][ T89] exc_invalid_op+0x14/0x40 [ 85.287003][ T89] asm_exc_invalid_op+0x12/0x20 [ 85.293050][ T89] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 85.300724][ T89] 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 60 4c 8a 01 <0f> 0b e9 e5 00 00 00 e8 79 48 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 85.325524][ T89] RSP: 0018:ffffc900010ffbc0 EFLAGS: 00010286 [ 85.331897][ T89] RAX: 0000000000000000 RBX: ffff888021a3b200 RCX: 0000000000000000 [ 85.341070][ T89] RDX: ffff8880122c8000 RSI: ffffffff815c8ba5 RDI: fffff5200021ff6a [ 85.349539][ T89] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 85.358612][ T89] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880289e8f20 [ 85.367340][ T89] R13: 0000000000000000 R14: ffff888018795700 R15: 0000000000000001 [ 85.377482][ T89] ? wake_up_klogd.part.0+0x8e/0xd0 [ 85.382896][ T89] ? vprintk+0x95/0x260 [ 85.389644][ T89] nf_unregister_net_hooks+0x117/0x160 [ 85.397463][ T89] arpt_unregister_table_pre_exit+0x67/0x80 [ 85.404743][ T89] ? arptable_filter_net_exit+0x20/0x20 [ 85.411527][ T89] cleanup_net+0x451/0xb10 [ 85.416891][ T89] ? ops_free_list.part.0+0x3d0/0x3d0 [ 85.424865][ T89] process_one_work+0x98d/0x1600 [ 85.431783][ T89] ? pwq_dec_nr_in_flight+0x320/0x320 [ 85.438374][ T89] ? rwlock_bug.part.0+0x90/0x90 [ 85.444646][ T89] ? _raw_spin_lock_irq+0x41/0x50 [ 85.450684][ T89] worker_thread+0x64c/0x1120 [ 85.456632][ T89] ? process_one_work+0x1600/0x1600 [ 85.462398][ T89] kthread+0x3b1/0x4a0 [ 85.467194][ T89] ? __kthread_bind_mask+0xc0/0xc0 [ 85.472791][ T89] ret_from_fork+0x1f/0x30 [ 85.480676][ T89] Kernel Offset: disabled [ 85.491840][ T89] Rebooting in 86400 seconds..