Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts. 2021/04/30 03:42:12 fuzzer started 2021/04/30 03:42:12 connecting to host at 10.128.0.169:42171 2021/04/30 03:42:12 checking machine... 2021/04/30 03:42:12 checking revisions... 2021/04/30 03:42:13 testing simple program... syzkaller login: [ 80.848040][ T8451] chnl_net:caif_netlink_parms(): no params data found [ 80.905931][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 80.917000][ T8451] bridge0: port 1(bridge_slave_0) entered disabled state [ 80.926994][ T8451] device bridge_slave_0 entered promiscuous mode [ 80.940164][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 80.949620][ T8451] bridge0: port 2(bridge_slave_1) entered disabled state [ 80.960657][ T8451] device bridge_slave_1 entered promiscuous mode [ 80.982624][ T8451] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 80.999627][ T8451] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 81.028717][ T8451] team0: Port device team_slave_0 added [ 81.041126][ T8451] team0: Port device team_slave_1 added [ 81.060842][ T8451] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 81.069848][ T8451] 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. [ 81.102443][ T8451] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 81.118222][ T8451] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 81.126107][ T8451] 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. [ 81.160552][ T8451] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 81.191276][ T8451] device hsr_slave_0 entered promiscuous mode [ 81.201719][ T8451] device hsr_slave_1 entered promiscuous mode [ 81.314159][ T8451] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 81.328967][ T8451] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 81.338867][ T8451] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 81.350212][ T8451] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 81.381612][ T8451] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.393270][ T8451] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.403372][ T8451] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.411362][ T8451] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.460692][ T8451] 8021q: adding VLAN 0 to HW filter on device bond0 [ 81.476971][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.493261][ T2955] bridge0: port 1(bridge_slave_0) entered disabled state [ 81.507985][ T2955] bridge0: port 2(bridge_slave_1) entered disabled state [ 81.521524][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 81.542462][ T8451] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.566114][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 81.578290][ T2955] bridge0: port 1(bridge_slave_0) entered blocking state [ 81.588085][ T2955] bridge0: port 1(bridge_slave_0) entered forwarding state [ 81.597958][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 81.609005][ T2955] bridge0: port 2(bridge_slave_1) entered blocking state [ 81.618887][ T2955] bridge0: port 2(bridge_slave_1) entered forwarding state [ 81.638963][ T4875] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 81.649323][ T4875] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 81.668911][ T8451] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 81.684354][ T8451] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 81.704502][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 81.715067][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 81.727690][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 81.738780][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 81.759733][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 81.770320][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 81.786565][ T8451] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 81.809803][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 81.834223][ T8451] device veth0_vlan entered promiscuous mode [ 81.843182][ T4875] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 81.853926][ T4875] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 81.864502][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 81.874849][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 81.888793][ T8451] device veth1_vlan entered promiscuous mode [ 81.916940][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 81.929003][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 81.939722][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 81.951333][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 81.965547][ T8451] device veth0_macvtap entered promiscuous mode [ 81.978003][ T8451] device veth1_macvtap entered promiscuous mode [ 81.999416][ T8451] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 82.009219][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 82.019620][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 82.030813][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 82.041586][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 82.057829][ T8451] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 82.067012][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 82.077563][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 82.090392][ T8451] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.101523][ T8451] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.111074][ T8451] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.121114][ T8451] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 82.229116][ T87] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.237859][ T87] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.258167][ T2955] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 82.288042][ T87] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 82.299240][ T87] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 82.312756][ T4824] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/30 03:42:16 building call list... [ 82.967831][ T224] ------------[ cut here ]------------ [ 82.974386][ T224] hook not found, pf 3 num 0 [ 82.980652][ T224] WARNING: CPU: 0 PID: 224 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 83.002703][ T224] Modules linked in: [ 83.010187][ T224] CPU: 0 PID: 224 Comm: kworker/u4:5 Not tainted 5.12.0-next-20210430-syzkaller #0 [ 83.023135][ T224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.037825][ T224] Workqueue: netns cleanup_net [ 83.043288][ T224] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 83.064174][ T224] 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 4d 6e 8a e8 e8 5b 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 dd 2c fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 83.093642][ T224] RSP: 0018:ffffc900015bfbc0 EFLAGS: 00010286 [ 83.104011][ T224] RAX: 0000000000000000 RBX: ffff8880243de500 RCX: 0000000000000000 [ 83.116193][ T224] RDX: ffff888012df3900 RSI: ffffffff815cc9f5 RDI: fffff520002b7f6a [ 83.128688][ T224] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 83.143510][ T224] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88802e9c0f20 [ 83.183365][ T224] R13: 0000000000000000 R14: ffff888019fb2180 R15: 0000000000000001 [ 83.244591][ T224] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 83.281945][ T224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 83.298736][ T224] CR2: 00007fc78cbbe010 CR3: 0000000012d10000 CR4: 00000000001506f0 [ 83.311258][ T224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 83.322997][ T224] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 83.332375][ T224] Call Trace: [ 83.338412][ T224] nf_unregister_net_hooks+0x117/0x160 [ 83.345643][ T224] arpt_unregister_table_pre_exit+0x67/0x80 [ 83.352395][ T224] ? arptable_filter_net_exit+0x20/0x20 [ 83.361834][ T224] cleanup_net+0x451/0xb10 [ 83.369548][ T224] ? ops_free_list.part.0+0x3d0/0x3d0 [ 83.378279][ T224] process_one_work+0x98d/0x1600 [ 83.383854][ T224] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.390869][ T224] ? rwlock_bug.part.0+0x90/0x90 [ 83.398839][ T224] ? _raw_spin_lock_irq+0x41/0x50 [ 83.406428][ T224] worker_thread+0x64c/0x1120 [ 83.412814][ T224] ? __kthread_parkme+0x13f/0x1e0 [ 83.422609][ T224] ? process_one_work+0x1600/0x1600 [ 83.429534][ T224] kthread+0x3b1/0x4a0 [ 83.434533][ T224] ? __kthread_bind_mask+0xc0/0xc0 [ 83.445025][ T224] ret_from_fork+0x1f/0x30 [ 83.450611][ T224] Kernel panic - not syncing: panic_on_warn set ... [ 83.459929][ T224] CPU: 0 PID: 224 Comm: kworker/u4:5 Not tainted 5.12.0-next-20210430-syzkaller #0 [ 83.472492][ T224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 83.486708][ T224] Workqueue: netns cleanup_net [ 83.494307][ T224] Call Trace: [ 83.499493][ T224] dump_stack+0x141/0x1d7 [ 83.505565][ T224] panic+0x306/0x73d [ 83.510762][ T224] ? __warn_printk+0xf3/0xf3 [ 83.517031][ T224] ? __warn.cold+0x1a/0x44 [ 83.524484][ T224] ? __nf_unregister_net_hook+0x1eb/0x610 [ 83.532269][ T224] __warn.cold+0x35/0x44 [ 83.537779][ T224] ? __nf_unregister_net_hook+0x1eb/0x610 [ 83.549308][ T224] report_bug+0x1bd/0x210 [ 83.556951][ T224] handle_bug+0x3c/0x60 [ 83.562822][ T224] exc_invalid_op+0x14/0x40 [ 83.568760][ T224] asm_exc_invalid_op+0x12/0x20 [ 83.575284][ T224] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 83.585071][ T224] 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 4d 6e 8a e8 e8 5b 8a 01 <0f> 0b e9 e5 00 00 00 e8 99 dd 2c fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 83.619273][ T224] RSP: 0018:ffffc900015bfbc0 EFLAGS: 00010286 [ 83.627830][ T224] RAX: 0000000000000000 RBX: ffff8880243de500 RCX: 0000000000000000 [ 83.638862][ T224] RDX: ffff888012df3900 RSI: ffffffff815cc9f5 RDI: fffff520002b7f6a [ 83.651409][ T224] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 83.661912][ T224] R10: ffffffff815c685e R11: 0000000000000000 R12: ffff88802e9c0f20 [ 83.672448][ T224] R13: 0000000000000000 R14: ffff888019fb2180 R15: 0000000000000001 [ 83.681237][ T224] ? wake_up_klogd.part.0+0x8e/0xd0 [ 83.686882][ T224] ? vprintk+0x95/0x260 [ 83.693435][ T224] nf_unregister_net_hooks+0x117/0x160 [ 83.699651][ T224] arpt_unregister_table_pre_exit+0x67/0x80 [ 83.708056][ T224] ? arptable_filter_net_exit+0x20/0x20 [ 83.715769][ T224] cleanup_net+0x451/0xb10 [ 83.723869][ T224] ? ops_free_list.part.0+0x3d0/0x3d0 [ 83.732837][ T224] process_one_work+0x98d/0x1600 [ 83.740962][ T224] ? pwq_dec_nr_in_flight+0x320/0x320 [ 83.748343][ T224] ? rwlock_bug.part.0+0x90/0x90 [ 83.754995][ T224] ? _raw_spin_lock_irq+0x41/0x50 [ 83.762102][ T224] worker_thread+0x64c/0x1120 [ 83.768830][ T224] ? __kthread_parkme+0x13f/0x1e0 [ 83.775872][ T224] ? process_one_work+0x1600/0x1600 [ 83.782752][ T224] kthread+0x3b1/0x4a0 [ 83.787043][ T224] ? __kthread_bind_mask+0xc0/0xc0 [ 83.792624][ T224] ret_from_fork+0x1f/0x30 [ 83.800500][ T224] Kernel Offset: disabled [ 83.805765][ T224] Rebooting in 86400 seconds..