Warning: Permanently added '10.128.1.17' (ECDSA) to the list of known hosts. 2021/05/07 22:34:32 fuzzer started 2021/05/07 22:34:32 connecting to host at 10.128.0.169:37737 2021/05/07 22:34:32 checking machine... 2021/05/07 22:34:32 checking revisions... 2021/05/07 22:34:32 testing simple program... syzkaller login: [ 131.802925][ T8417] chnl_net:caif_netlink_parms(): no params data found [ 131.858692][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 131.867737][ T8417] bridge0: port 1(bridge_slave_0) entered disabled state [ 131.877348][ T8417] device bridge_slave_0 entered promiscuous mode [ 131.888740][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 131.898335][ T8417] bridge0: port 2(bridge_slave_1) entered disabled state [ 131.908380][ T8417] device bridge_slave_1 entered promiscuous mode [ 131.932654][ T8417] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 131.944531][ T8417] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 131.970367][ T8417] team0: Port device team_slave_0 added [ 131.978204][ T8417] team0: Port device team_slave_1 added [ 131.998154][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 132.006171][ T8417] 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. [ 132.038489][ T8417] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 132.055513][ T8417] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 132.064657][ T8417] 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. [ 132.095465][ T8417] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 132.125276][ T8417] device hsr_slave_0 entered promiscuous mode [ 132.132989][ T8417] device hsr_slave_1 entered promiscuous mode [ 132.248112][ T8417] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 132.260428][ T8417] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 132.271560][ T8417] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 132.282661][ T8417] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 132.313078][ T8417] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.321413][ T8417] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.329746][ T8417] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.337652][ T8417] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.387826][ T8417] 8021q: adding VLAN 0 to HW filter on device bond0 [ 132.402668][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 132.415174][ T22] bridge0: port 1(bridge_slave_0) entered disabled state [ 132.426245][ T22] bridge0: port 2(bridge_slave_1) entered disabled state [ 132.436514][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 132.452039][ T8417] 8021q: adding VLAN 0 to HW filter on device team0 [ 132.466044][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 132.475927][ T4853] bridge0: port 1(bridge_slave_0) entered blocking state [ 132.485272][ T4853] bridge0: port 1(bridge_slave_0) entered forwarding state [ 132.497508][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 132.507924][ T8637] bridge0: port 2(bridge_slave_1) entered blocking state [ 132.515301][ T8637] bridge0: port 2(bridge_slave_1) entered forwarding state [ 132.542031][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 132.552353][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 132.561951][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 132.572953][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 132.585441][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 132.597172][ T8417] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 132.620364][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 132.628976][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 132.644600][ T8417] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 132.666976][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 132.689331][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 132.698930][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 132.708366][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 132.723427][ T8417] device veth0_vlan entered promiscuous mode [ 132.735886][ T8417] device veth1_vlan entered promiscuous mode [ 132.760996][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 132.773109][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 132.788428][ T8417] device veth0_macvtap entered promiscuous mode [ 132.798140][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 132.808890][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 132.821234][ T4853] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 132.833951][ T8417] device veth1_macvtap entered promiscuous mode [ 132.852927][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 132.861922][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 132.871872][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 132.882299][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 132.897606][ T8417] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 132.906696][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 132.917284][ T8637] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 132.929731][ T8417] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 132.939780][ T8417] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 132.950184][ T8417] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 132.959860][ T8417] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 133.058774][ T29] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 133.069027][ T29] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 133.094598][ T8636] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 133.132865][ T29] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 133.141617][ T29] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 133.152889][ T8636] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/07 22:34:35 building call list... [ 133.827214][ T259] ------------[ cut here ]------------ [ 133.838946][ T259] hook not found, pf 3 num 0 [ 133.839605][ T259] WARNING: CPU: 0 PID: 259 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 133.858280][ T259] Modules linked in: [ 133.863759][ T259] CPU: 0 PID: 259 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 133.874480][ T259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 133.884988][ T259] Workqueue: netns cleanup_net [ 133.892130][ T259] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 133.898594][ T259] 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 d8 6d 8a e8 40 4d 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 19 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 133.934019][ T259] RSP: 0018:ffffc90001b3fbc0 EFLAGS: 00010286 [ 133.943238][ T259] RAX: 0000000000000000 RBX: ffff888149c06d00 RCX: 0000000000000000 [ 133.952377][ T259] RDX: ffff8880159e54c0 RSI: ffffffff815c8ba5 RDI: fffff52000367f6a [ 133.963094][ T259] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 133.972106][ T259] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880308f0f20 [ 133.981320][ T259] R13: 0000000000000000 R14: ffff888014ded500 R15: 0000000000000001 [ 133.989674][ T259] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 134.002291][ T259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 134.009127][ T259] CR2: 00007f99e62e7018 CR3: 0000000029a2d000 CR4: 00000000001506f0 [ 134.018552][ T259] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 134.028803][ T259] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 134.040609][ T259] Call Trace: [ 134.044136][ T259] nf_unregister_net_hooks+0x117/0x160 [ 134.051179][ T259] arpt_unregister_table_pre_exit+0x67/0x80 [ 134.057760][ T259] ? arptable_filter_net_exit+0x20/0x20 [ 134.064928][ T259] cleanup_net+0x451/0xb10 [ 134.072297][ T259] ? ops_free_list.part.0+0x3d0/0x3d0 [ 134.078552][ T259] process_one_work+0x98d/0x1600 [ 134.089548][ T259] ? pwq_dec_nr_in_flight+0x320/0x320 [ 134.096730][ T259] ? rwlock_bug.part.0+0x90/0x90 [ 134.105385][ T259] ? _raw_spin_lock_irq+0x41/0x50 [ 134.111397][ T259] worker_thread+0x64c/0x1120 [ 134.117301][ T259] ? process_one_work+0x1600/0x1600 [ 134.125336][ T259] kthread+0x3b1/0x4a0 [ 134.129631][ T259] ? __kthread_bind_mask+0xc0/0xc0 [ 134.137068][ T259] ret_from_fork+0x1f/0x30 [ 134.143724][ T259] Kernel panic - not syncing: panic_on_warn set ... [ 134.150880][ T259] CPU: 0 PID: 259 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 134.159588][ T259] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 134.170787][ T259] Workqueue: netns cleanup_net [ 134.176795][ T259] Call Trace: [ 134.180281][ T259] dump_stack+0x141/0x1d7 [ 134.185291][ T259] panic+0x306/0x73d [ 134.189249][ T259] ? __warn_printk+0xf3/0xf3 [ 134.194843][ T259] ? __warn.cold+0x1a/0x44 [ 134.199582][ T259] ? __nf_unregister_net_hook+0x1eb/0x610 [ 134.206489][ T259] __warn.cold+0x35/0x44 [ 134.211226][ T259] ? __nf_unregister_net_hook+0x1eb/0x610 [ 134.217079][ T259] report_bug+0x1bd/0x210 [ 134.221526][ T259] handle_bug+0x3c/0x60 [ 134.225991][ T259] exc_invalid_op+0x14/0x40 [ 134.231130][ T259] asm_exc_invalid_op+0x12/0x20 [ 134.236271][ T259] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 134.242971][ T259] 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 d8 6d 8a e8 40 4d 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 19 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 134.264124][ T259] RSP: 0018:ffffc90001b3fbc0 EFLAGS: 00010286 [ 134.270317][ T259] RAX: 0000000000000000 RBX: ffff888149c06d00 RCX: 0000000000000000 [ 134.278756][ T259] RDX: ffff8880159e54c0 RSI: ffffffff815c8ba5 RDI: fffff52000367f6a [ 134.287127][ T259] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 134.296269][ T259] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff8880308f0f20 [ 134.307116][ T259] R13: 0000000000000000 R14: ffff888014ded500 R15: 0000000000000001 [ 134.316330][ T259] ? wake_up_klogd.part.0+0x8e/0xd0 [ 134.321573][ T259] ? vprintk+0x95/0x260 [ 134.325783][ T259] nf_unregister_net_hooks+0x117/0x160 [ 134.331273][ T259] arpt_unregister_table_pre_exit+0x67/0x80 [ 134.337584][ T259] ? arptable_filter_net_exit+0x20/0x20 [ 134.344092][ T259] cleanup_net+0x451/0xb10 [ 134.349041][ T259] ? ops_free_list.part.0+0x3d0/0x3d0 [ 134.354756][ T259] process_one_work+0x98d/0x1600 [ 134.360085][ T259] ? pwq_dec_nr_in_flight+0x320/0x320 [ 134.365797][ T259] ? rwlock_bug.part.0+0x90/0x90 [ 134.371036][ T259] ? _raw_spin_lock_irq+0x41/0x50 [ 134.376373][ T259] worker_thread+0x64c/0x1120 [ 134.381213][ T259] ? process_one_work+0x1600/0x1600 [ 134.387058][ T259] kthread+0x3b1/0x4a0 [ 134.392050][ T259] ? __kthread_bind_mask+0xc0/0xc0 [ 134.397722][ T259] ret_from_fork+0x1f/0x30 [ 134.404697][ T259] Kernel Offset: disabled [ 134.409576][ T259] Rebooting in 86400 seconds..