Warning: Permanently added '10.128.1.39' (ECDSA) to the list of known hosts. 2021/05/04 04:55:06 fuzzer started 2021/05/04 04:55:06 connecting to host at 10.128.0.169:41371 2021/05/04 04:55:06 checking machine... 2021/05/04 04:55:06 checking revisions... 2021/05/04 04:55:06 testing simple program... syzkaller login: [ 76.148494][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 76.203179][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.211067][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.220885][ T8408] device bridge_slave_0 entered promiscuous mode [ 76.230709][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.238865][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.247674][ T8408] device bridge_slave_1 entered promiscuous mode [ 76.269493][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.280832][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.305969][ T8408] team0: Port device team_slave_0 added [ 76.313944][ T8408] team0: Port device team_slave_1 added [ 76.332933][ T8408] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.340186][ T8408] 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. [ 76.368877][ T8408] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.384048][ T8408] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.391099][ T8408] 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. [ 76.419080][ T8408] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.445887][ T8408] device hsr_slave_0 entered promiscuous mode [ 76.453799][ T8408] device hsr_slave_1 entered promiscuous mode [ 76.559942][ T8408] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.570562][ T8408] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.581635][ T8408] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.593698][ T8408] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.619342][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.626682][ T8408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.634708][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.641885][ T8408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.689813][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.709252][ T4841] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.725280][ T4841] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.734473][ T4841] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.744529][ T4841] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.757644][ T8408] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.769325][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.779026][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.786323][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.800435][ T4841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.809260][ T4841] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.816402][ T4841] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.837104][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.846363][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.858670][ T3263] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.873007][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.888724][ T8408] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 76.901348][ T8408] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.910794][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.933725][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.941241][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.952895][ T8408] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.973777][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.996351][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 77.005122][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 77.013080][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 77.024571][ T8408] device veth0_vlan entered promiscuous mode [ 77.037906][ T8408] device veth1_vlan entered promiscuous mode [ 77.063232][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 77.071593][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 77.081010][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 77.094279][ T8408] device veth0_macvtap entered promiscuous mode [ 77.105339][ T8408] device veth1_macvtap entered promiscuous mode [ 77.125006][ T8408] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.133469][ T3263] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.144268][ T3263] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.157484][ T8408] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.165968][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.176011][ T3157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.187801][ T8408] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.198004][ T8408] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.206949][ T8408] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.216861][ T8408] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.324186][ T254] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.340539][ T254] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.362531][ T8630] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.384198][ T254] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.393516][ T254] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.405073][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready executing program 2021/05/04 04:55:09 building call list... [ 78.077814][ T139] ------------[ cut here ]------------ [ 78.083974][ T139] hook not found, pf 3 num 0 [ 78.084620][ T139] WARNING: CPU: 1 PID: 139 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 78.102549][ T139] Modules linked in: [ 78.108233][ T139] CPU: 1 PID: 139 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 78.121363][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.134960][ T139] Workqueue: netns cleanup_net [ 78.145166][ T139] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.153856][ T139] 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 90 4a 8a 01 <0f> 0b e9 e5 00 00 00 e8 a9 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.177393][ T139] RSP: 0018:ffffc900013efbc0 EFLAGS: 00010286 [ 78.184528][ T139] RAX: 0000000000000000 RBX: ffff888021d06f00 RCX: 0000000000000000 [ 78.195750][ T139] RDX: ffff8880124e8000 RSI: ffffffff815c8ba5 RDI: fffff5200027df6a [ 78.204630][ T139] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.219462][ T139] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888036540f20 [ 78.229680][ T139] R13: 0000000000000000 R14: ffff88801201ce80 R15: 0000000000000001 [ 78.241053][ T139] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 78.251206][ T139] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.260626][ T139] CR2: 00007f3caa46d000 CR3: 0000000011fce000 CR4: 00000000001506f0 [ 78.269290][ T139] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.279538][ T139] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.289315][ T139] Call Trace: [ 78.306608][ T139] nf_unregister_net_hooks+0x117/0x160 [ 78.312290][ T139] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.318230][ T139] ? arptable_filter_net_exit+0x20/0x20 [ 78.324102][ T139] cleanup_net+0x451/0xb10 [ 78.329253][ T139] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.334900][ T139] process_one_work+0x98d/0x1600 [ 78.339886][ T139] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.345882][ T139] ? rwlock_bug.part.0+0x90/0x90 [ 78.350880][ T139] ? _raw_spin_lock_irq+0x41/0x50 [ 78.356866][ T139] worker_thread+0x64c/0x1120 [ 78.363021][ T139] ? process_one_work+0x1600/0x1600 [ 78.368308][ T139] kthread+0x3b1/0x4a0 [ 78.375345][ T139] ? __kthread_bind_mask+0xc0/0xc0 [ 78.380593][ T139] ret_from_fork+0x1f/0x30 [ 78.387570][ T139] Kernel panic - not syncing: panic_on_warn set ... [ 78.394200][ T139] CPU: 0 PID: 139 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 78.402282][ T139] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.412356][ T139] Workqueue: netns cleanup_net [ 78.417153][ T139] Call Trace: [ 78.420443][ T139] dump_stack+0x141/0x1d7 [ 78.424794][ T139] panic+0x306/0x73d [ 78.428740][ T139] ? __warn_printk+0xf3/0xf3 [ 78.433381][ T139] ? __warn.cold+0x1a/0x44 [ 78.437819][ T139] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.443554][ T139] __warn.cold+0x35/0x44 [ 78.447899][ T139] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.453644][ T139] report_bug+0x1bd/0x210 [ 78.458003][ T139] handle_bug+0x3c/0x60 [ 78.462182][ T139] exc_invalid_op+0x14/0x40 [ 78.466709][ T139] asm_exc_invalid_op+0x12/0x20 [ 78.471876][ T139] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.478314][ T139] 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 90 4a 8a 01 <0f> 0b e9 e5 00 00 00 e8 a9 46 30 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 78.498030][ T139] RSP: 0018:ffffc900013efbc0 EFLAGS: 00010286 [ 78.504128][ T139] RAX: 0000000000000000 RBX: ffff888021d06f00 RCX: 0000000000000000 [ 78.512121][ T139] RDX: ffff8880124e8000 RSI: ffffffff815c8ba5 RDI: fffff5200027df6a [ 78.520116][ T139] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.528104][ T139] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888036540f20 [ 78.536267][ T139] R13: 0000000000000000 R14: ffff88801201ce80 R15: 0000000000000001 [ 78.544390][ T139] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.549713][ T139] ? vprintk+0x95/0x260 [ 78.553991][ T139] nf_unregister_net_hooks+0x117/0x160 [ 78.559479][ T139] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.565572][ T139] ? arptable_filter_net_exit+0x20/0x20 [ 78.571185][ T139] cleanup_net+0x451/0xb10 [ 78.575624][ T139] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.581223][ T139] process_one_work+0x98d/0x1600 [ 78.586209][ T139] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.591711][ T139] ? rwlock_bug.part.0+0x90/0x90 [ 78.596878][ T139] ? _raw_spin_lock_irq+0x41/0x50 [ 78.601942][ T139] worker_thread+0x64c/0x1120 [ 78.606759][ T139] ? process_one_work+0x1600/0x1600 [ 78.611982][ T139] kthread+0x3b1/0x4a0 [ 78.616077][ T139] ? __kthread_bind_mask+0xc0/0xc0 [ 78.621225][ T139] ret_from_fork+0x1f/0x30 [ 78.625984][ T139] Kernel Offset: disabled [ 78.630958][ T139] Rebooting in 86400 seconds..