Warning: Permanently added '10.128.0.114' (ECDSA) to the list of known hosts. 2021/04/30 00:34:38 fuzzer started 2021/04/30 00:34:38 connecting to host at 10.128.0.169:32787 2021/04/30 00:34:38 checking machine... 2021/04/30 00:34:38 checking revisions... 2021/04/30 00:34:38 testing simple program... syzkaller login: [ 77.705416][ T8444] chnl_net:caif_netlink_parms(): no params data found [ 77.795474][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.804536][ T8444] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.814641][ T8444] device bridge_slave_0 entered promiscuous mode [ 77.824861][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.832665][ T8444] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.840591][ T8444] device bridge_slave_1 entered promiscuous mode [ 77.860551][ T8444] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.872610][ T8444] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.894770][ T8444] team0: Port device team_slave_0 added [ 77.903850][ T8444] team0: Port device team_slave_1 added [ 77.920587][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.928055][ T8444] 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. [ 77.956318][ T8444] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.972350][ T8444] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.979612][ T8444] 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. [ 78.006626][ T8444] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.034219][ T8444] device hsr_slave_0 entered promiscuous mode [ 78.042010][ T8444] device hsr_slave_1 entered promiscuous mode [ 78.146206][ T8444] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.158065][ T8444] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.170326][ T8444] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.180361][ T8444] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.208217][ T8444] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.215950][ T8444] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.224237][ T8444] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.231468][ T8444] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.280111][ T8444] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.297346][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.310311][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.320208][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.330298][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.345299][ T8444] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.358546][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.367952][ T7] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.375219][ T7] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.387877][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.398935][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.407847][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.428885][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.445057][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.453724][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.471585][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.480512][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.493871][ T8444] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.515794][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.523618][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.539600][ T8444] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.558572][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.580804][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.590434][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.599306][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.609890][ T8444] device veth0_vlan entered promiscuous mode [ 78.625771][ T8444] device veth1_vlan entered promiscuous mode [ 78.650707][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.659777][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.670302][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.682750][ T8444] device veth0_macvtap entered promiscuous mode [ 78.691882][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.703161][ T8444] device veth1_macvtap entered promiscuous mode [ 78.723569][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.733685][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 78.744331][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.756784][ T8444] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.767116][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.777185][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.789226][ T8444] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.799028][ T8444] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.808402][ T8444] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.817709][ T8444] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.912937][ T386] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.943408][ T386] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 78.974647][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.982411][ T212] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.993434][ T212] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.005301][ T4823] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/30 00:34:41 building call list... [ 79.683509][ T9] ------------[ cut here ]------------ [ 79.689242][ T9] hook not found, pf 3 num 0 [ 79.689878][ T9] WARNING: CPU: 0 PID: 9 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 79.706274][ T9] Modules linked in: [ 79.710337][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 79.720031][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 79.732891][ T9] Workqueue: netns cleanup_net [ 79.740980][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 79.755676][ T9] 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 [ 79.778706][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 79.786677][ T9] RAX: 0000000000000000 RBX: ffff8881476ab300 RCX: 0000000000000000 [ 79.797276][ T9] RDX: ffff888011d68000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 79.807916][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 79.816887][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802de28f20 [ 79.826419][ T9] R13: 0000000000000000 R14: ffff8880152c6280 R15: 0000000000000001 [ 79.835486][ T9] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 79.845184][ T9] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.852660][ T9] CR2: 00007fd14d01e540 CR3: 0000000012b13000 CR4: 00000000001506f0 [ 79.862309][ T9] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.872549][ T9] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.880560][ T9] Call Trace: [ 79.897766][ T9] nf_unregister_net_hooks+0x117/0x160 [ 79.905660][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 79.912844][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 79.918607][ T9] cleanup_net+0x451/0xb10 [ 79.924546][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 79.930523][ T9] process_one_work+0x98d/0x1600 [ 79.937110][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 79.944001][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 79.949379][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 79.956317][ T9] worker_thread+0x64c/0x1120 [ 79.963788][ T9] ? process_one_work+0x1600/0x1600 [ 79.969886][ T9] kthread+0x3b1/0x4a0 [ 79.976140][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 79.982349][ T9] ret_from_fork+0x1f/0x30 [ 79.987050][ T9] Kernel panic - not syncing: panic_on_warn set ... [ 79.993731][ T9] CPU: 0 PID: 9 Comm: kworker/u4:0 Not tainted 5.12.0-syzkaller #0 [ 80.002126][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.013093][ T9] Workqueue: netns cleanup_net [ 80.018134][ T9] Call Trace: [ 80.021609][ T9] dump_stack+0x141/0x1d7 [ 80.026240][ T9] panic+0x306/0x73d [ 80.030712][ T9] ? __warn_printk+0xf3/0xf3 [ 80.035984][ T9] ? __warn.cold+0x1a/0x44 [ 80.040441][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.046276][ T9] __warn.cold+0x35/0x44 [ 80.050550][ T9] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.056396][ T9] report_bug+0x1bd/0x210 [ 80.061041][ T9] handle_bug+0x3c/0x60 [ 80.066264][ T9] exc_invalid_op+0x14/0x40 [ 80.070888][ T9] asm_exc_invalid_op+0x12/0x20 [ 80.075929][ T9] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.082271][ T9] 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 [ 80.102521][ T9] RSP: 0018:ffffc90000ce7bc0 EFLAGS: 00010286 [ 80.108708][ T9] RAX: 0000000000000000 RBX: ffff8881476ab300 RCX: 0000000000000000 [ 80.116877][ T9] RDX: ffff888011d68000 RSI: ffffffff815c8ba5 RDI: fffff5200019cf6a [ 80.125140][ T9] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.134753][ T9] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88802de28f20 [ 80.143242][ T9] R13: 0000000000000000 R14: ffff8880152c6280 R15: 0000000000000001 [ 80.152572][ T9] ? wake_up_klogd.part.0+0x8e/0xd0 [ 80.157996][ T9] ? vprintk+0x95/0x260 [ 80.162194][ T9] nf_unregister_net_hooks+0x117/0x160 [ 80.167701][ T9] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.173630][ T9] ? arptable_filter_net_exit+0x20/0x20 [ 80.179204][ T9] cleanup_net+0x451/0xb10 [ 80.183856][ T9] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.189267][ T9] process_one_work+0x98d/0x1600 [ 80.194510][ T9] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.200008][ T9] ? rwlock_bug.part.0+0x90/0x90 [ 80.204969][ T9] ? _raw_spin_lock_irq+0x41/0x50 [ 80.210047][ T9] worker_thread+0x64c/0x1120 [ 80.214780][ T9] ? process_one_work+0x1600/0x1600 [ 80.220004][ T9] kthread+0x3b1/0x4a0 [ 80.224111][ T9] ? __kthread_bind_mask+0xc0/0xc0 [ 80.229267][ T9] ret_from_fork+0x1f/0x30 [ 80.235360][ T9] Kernel Offset: disabled [ 80.240212][ T9] Rebooting in 86400 seconds..