Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. 2021/04/27 22:02:28 fuzzer started 2021/04/27 22:02:28 connecting to host at 10.128.0.169:37851 2021/04/27 22:02:28 checking machine... 2021/04/27 22:02:28 checking revisions... 2021/04/27 22:02:28 testing simple program... syzkaller login: [ 72.328014][ T8401] chnl_net:caif_netlink_parms(): no params data found [ 72.383064][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.392985][ T8401] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.402036][ T8401] device bridge_slave_0 entered promiscuous mode [ 72.411959][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.420973][ T8401] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.430519][ T8401] device bridge_slave_1 entered promiscuous mode [ 72.452669][ T8401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 72.464244][ T8401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.487428][ T8401] team0: Port device team_slave_0 added [ 72.495732][ T8401] team0: Port device team_slave_1 added [ 72.515176][ T8401] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 72.522991][ T8401] 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. [ 72.551468][ T8401] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 72.564993][ T8401] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 72.572742][ T8401] 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. [ 72.599485][ T8401] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 72.626363][ T8401] device hsr_slave_0 entered promiscuous mode [ 72.634001][ T8401] device hsr_slave_1 entered promiscuous mode [ 72.741050][ T8401] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 72.752146][ T8401] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 72.762910][ T8401] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 72.774311][ T8401] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 72.804248][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.812456][ T8401] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.822493][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.830589][ T8401] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.881259][ T8401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.896346][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.910199][ T4025] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.920240][ T4025] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.930471][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 72.945153][ T8401] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.957110][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.967960][ T2935] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.976395][ T2935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.998654][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.007823][ T2935] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.015254][ T2935] bridge0: port 2(bridge_slave_1) entered forwarding state [ 73.030390][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 73.039968][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 73.053682][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 73.070151][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 73.079619][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 73.091578][ T8401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 73.113211][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 73.121573][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 73.136696][ T8401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.156740][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.181084][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 73.190981][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.202637][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.215033][ T8401] device veth0_vlan entered promiscuous mode [ 73.231587][ T8401] device veth1_vlan entered promiscuous mode [ 73.257257][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.266008][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.275571][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 73.290408][ T8401] device veth0_macvtap entered promiscuous mode [ 73.303445][ T8401] device veth1_macvtap entered promiscuous mode [ 73.314554][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 73.335311][ T8401] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 73.344800][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 73.357155][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 73.371458][ T8401] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 73.381587][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 73.391821][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 73.405940][ T8401] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.416397][ T8401] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.427602][ T8401] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.437527][ T8401] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 73.555592][ T1074] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.569172][ T1074] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.599995][ T204] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 73.602364][ T4025] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 73.609113][ T204] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 73.639338][ T2935] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/04/27 22:02:31 building call list... [ 74.282497][ T204] ------------[ cut here ]------------ [ 74.291324][ T204] hook not found, pf 3 num 0 [ 74.291979][ T204] WARNING: CPU: 1 PID: 204 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 74.312507][ T204] Modules linked in: [ 74.316719][ T204] CPU: 1 PID: 204 Comm: kworker/u4:3 Not tainted 5.12.0-rc7-syzkaller #0 [ 74.329973][ T204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.341723][ T204] Workqueue: netns cleanup_net [ 74.346641][ T204] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 74.354495][ T204] 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 [ 74.376068][ T204] RSP: 0018:ffffc9000104fbc0 EFLAGS: 00010286 [ 74.384679][ T204] RAX: 0000000000000000 RBX: ffff8880216a8600 RCX: 0000000000000000 [ 74.395520][ T204] RDX: ffff888012093880 RSI: ffffffff815c5205 RDI: fffff52000209f6a [ 74.404743][ T204] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 74.414109][ T204] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888019370f20 [ 74.424303][ T204] R13: 0000000000000000 R14: ffff88801e5a8380 R15: 0000000000000001 [ 74.433847][ T204] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 74.443997][ T204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.451847][ T204] CR2: 00007f0787552000 CR3: 000000001b9d0000 CR4: 00000000001506e0 [ 74.463284][ T204] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.478120][ T204] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.486611][ T204] Call Trace: [ 74.491896][ T204] nf_unregister_net_hooks+0x117/0x160 [ 74.498991][ T204] arpt_unregister_table_pre_exit+0x67/0x80 [ 74.505486][ T204] ? arptable_filter_net_exit+0x20/0x20 [ 74.512939][ T204] cleanup_net+0x451/0xb10 [ 74.517493][ T204] ? ops_free_list.part.0+0x3d0/0x3d0 [ 74.523642][ T204] process_one_work+0x98d/0x1600 [ 74.530461][ T204] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.539030][ T204] ? rwlock_bug.part.0+0x90/0x90 [ 74.544277][ T204] ? _raw_spin_lock_irq+0x41/0x50 [ 74.554056][ T204] worker_thread+0x64c/0x1120 [ 74.559935][ T204] ? __kthread_parkme+0x13f/0x1e0 [ 74.565369][ T204] ? process_one_work+0x1600/0x1600 [ 74.572579][ T204] kthread+0x3b1/0x4a0 [ 74.576821][ T204] ? __kthread_bind_mask+0xc0/0xc0 [ 74.583705][ T204] ret_from_fork+0x1f/0x30 [ 74.589432][ T204] Kernel panic - not syncing: panic_on_warn set ... [ 74.596383][ T204] CPU: 1 PID: 204 Comm: kworker/u4:3 Not tainted 5.12.0-rc7-syzkaller #0 [ 74.604988][ T204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.615496][ T204] Workqueue: netns cleanup_net [ 74.620291][ T204] Call Trace: [ 74.623569][ T204] dump_stack+0x141/0x1d7 [ 74.628081][ T204] panic+0x306/0x73d [ 74.631987][ T204] ? __warn_printk+0xf3/0xf3 [ 74.636700][ T204] ? __warn.cold+0x1a/0x44 [ 74.641475][ T204] ? __nf_unregister_net_hook+0x1eb/0x610 [ 74.647492][ T204] __warn.cold+0x35/0x44 [ 74.651735][ T204] ? __nf_unregister_net_hook+0x1eb/0x610 [ 74.657466][ T204] report_bug+0x1bd/0x210 [ 74.661984][ T204] handle_bug+0x3c/0x60 [ 74.666585][ T204] exc_invalid_op+0x14/0x40 [ 74.671091][ T204] asm_exc_invalid_op+0x12/0x20 [ 74.676638][ T204] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 74.683327][ T204] 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 [ 74.703934][ T204] RSP: 0018:ffffc9000104fbc0 EFLAGS: 00010286 [ 74.710002][ T204] RAX: 0000000000000000 RBX: ffff8880216a8600 RCX: 0000000000000000 [ 74.718488][ T204] RDX: ffff888012093880 RSI: ffffffff815c5205 RDI: fffff52000209f6a [ 74.726564][ T204] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 74.734719][ T204] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff888019370f20 [ 74.743120][ T204] R13: 0000000000000000 R14: ffff88801e5a8380 R15: 0000000000000001 [ 74.751135][ T204] ? wake_up_klogd.part.0+0x8e/0xd0 [ 74.756456][ T204] ? vprintk_func+0x95/0x1e0 [ 74.761207][ T204] nf_unregister_net_hooks+0x117/0x160 [ 74.766679][ T204] arpt_unregister_table_pre_exit+0x67/0x80 [ 74.772582][ T204] ? arptable_filter_net_exit+0x20/0x20 [ 74.778571][ T204] cleanup_net+0x451/0xb10 [ 74.783116][ T204] ? ops_free_list.part.0+0x3d0/0x3d0 [ 74.788508][ T204] process_one_work+0x98d/0x1600 [ 74.793721][ T204] ? pwq_dec_nr_in_flight+0x320/0x320 [ 74.799241][ T204] ? rwlock_bug.part.0+0x90/0x90 [ 74.804266][ T204] ? _raw_spin_lock_irq+0x41/0x50 [ 74.809380][ T204] worker_thread+0x64c/0x1120 [ 74.814166][ T204] ? __kthread_parkme+0x13f/0x1e0 [ 74.819193][ T204] ? process_one_work+0x1600/0x1600 [ 74.824493][ T204] kthread+0x3b1/0x4a0 [ 74.828576][ T204] ? __kthread_bind_mask+0xc0/0xc0 [ 74.834039][ T204] ret_from_fork+0x1f/0x30 [ 74.840548][ T204] Kernel Offset: disabled [ 74.845933][ T204] Rebooting in 86400 seconds..