Warning: Permanently added '10.128.1.21' (ECDSA) to the list of known hosts. 2021/05/03 14:44:40 fuzzer started 2021/05/03 14:44:40 connecting to host at 10.128.0.169:44665 2021/05/03 14:44:40 checking machine... 2021/05/03 14:44:40 checking revisions... 2021/05/03 14:44:40 testing simple program... syzkaller login: [ 75.979815][ T8401] chnl_net:caif_netlink_parms(): no params data found [ 76.036682][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.045410][ T8401] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.056422][ T8401] device bridge_slave_0 entered promiscuous mode [ 76.066515][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.074791][ T8401] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.083047][ T8401] device bridge_slave_1 entered promiscuous mode [ 76.105209][ T8401] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.118807][ T8401] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.142577][ T8401] team0: Port device team_slave_0 added [ 76.150870][ T8401] team0: Port device team_slave_1 added [ 76.169178][ T8401] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 76.177253][ 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. [ 76.205833][ T8401] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 76.220403][ T8401] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 76.229082][ 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. [ 76.256946][ T8401] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 76.285518][ T8401] device hsr_slave_0 entered promiscuous mode [ 76.295815][ T8401] device hsr_slave_1 entered promiscuous mode [ 76.404289][ T8401] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 76.417496][ T8401] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 76.427067][ T8401] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 76.438694][ T8401] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 76.467796][ T8401] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.476643][ T8401] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.486212][ T8401] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.494028][ T8401] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.545545][ T8401] 8021q: adding VLAN 0 to HW filter on device bond0 [ 76.560947][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 76.575514][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.586431][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.596219][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 76.611631][ T8401] 8021q: adding VLAN 0 to HW filter on device team0 [ 76.624318][ T3302] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 76.633788][ T3302] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.641305][ T3302] bridge0: port 1(bridge_slave_0) entered forwarding state [ 76.657068][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 76.666905][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.674363][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 76.694571][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 76.715449][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 76.725887][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 76.734969][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 76.745245][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 76.757287][ T8401] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 76.779376][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 76.788042][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 76.801154][ T8401] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 76.825267][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 76.848447][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 76.859191][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 76.868030][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 76.879173][ T8401] device veth0_vlan entered promiscuous mode [ 76.894966][ T8401] device veth1_vlan entered promiscuous mode [ 76.919745][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 76.929984][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 76.939406][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 76.951184][ T8401] device veth0_macvtap entered promiscuous mode [ 76.960849][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.974672][ T8401] device veth1_macvtap entered promiscuous mode [ 77.000687][ T8401] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 77.009757][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 77.019369][ T8622] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 77.032960][ T8401] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 77.042176][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 77.054920][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 77.068135][ T8401] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.078559][ T8401] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.091124][ T8401] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.100594][ T8401] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 77.205863][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.215428][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 77.249009][ T3302] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 77.261432][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 77.271619][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 77.292825][ T3302] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/03 14:44:43 building call list... [ 77.877848][ T174] ------------[ cut here ]------------ [ 77.884353][ T174] hook not found, pf 3 num 0 [ 77.885009][ T174] WARNING: CPU: 1 PID: 174 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 77.901664][ T174] Modules linked in: [ 77.908295][ T174] CPU: 1 PID: 174 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 77.918494][ T174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 77.930249][ T174] Workqueue: netns cleanup_net [ 77.936012][ T174] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 77.942704][ T174] 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 [ 77.966112][ T174] RSP: 0018:ffffc900010bfbc0 EFLAGS: 00010286 [ 77.974126][ T174] RAX: 0000000000000000 RBX: ffff8881475ec100 RCX: 0000000000000000 [ 77.982245][ T174] RDX: ffff888012731c40 RSI: ffffffff815c8ba5 RDI: fffff52000217f6a [ 77.993594][ T174] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.002354][ T174] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019c88f20 [ 78.013514][ T174] R13: 0000000000000000 R14: ffff8881478f2a00 R15: 0000000000000001 [ 78.022150][ T174] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 78.034672][ T174] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 78.041420][ T174] CR2: 00007f17158cd000 CR3: 0000000021001000 CR4: 00000000001506e0 [ 78.052776][ T174] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 78.063547][ T174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 78.071657][ T174] Call Trace: [ 78.076537][ T174] nf_unregister_net_hooks+0x117/0x160 [ 78.082316][ T174] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.093748][ T174] ? arptable_filter_net_exit+0x20/0x20 [ 78.099828][ T174] cleanup_net+0x451/0xb10 [ 78.105745][ T174] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.112002][ T174] process_one_work+0x98d/0x1600 [ 78.120291][ T174] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.127485][ T174] ? rwlock_bug.part.0+0x90/0x90 [ 78.132654][ T174] ? _raw_spin_lock_irq+0x41/0x50 [ 78.139649][ T174] worker_thread+0x64c/0x1120 [ 78.145626][ T174] ? process_one_work+0x1600/0x1600 [ 78.151027][ T174] kthread+0x3b1/0x4a0 [ 78.157400][ T174] ? __kthread_bind_mask+0xc0/0xc0 [ 78.162833][ T174] ret_from_fork+0x1f/0x30 [ 78.171199][ T174] Kernel panic - not syncing: panic_on_warn set ... [ 78.178235][ T174] CPU: 1 PID: 174 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 78.186848][ T174] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.197191][ T174] Workqueue: netns cleanup_net [ 78.202275][ T174] Call Trace: [ 78.205684][ T174] dump_stack+0x141/0x1d7 [ 78.210375][ T174] panic+0x306/0x73d [ 78.214512][ T174] ? __warn_printk+0xf3/0xf3 [ 78.219233][ T174] ? __warn.cold+0x1a/0x44 [ 78.223683][ T174] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.230218][ T174] __warn.cold+0x35/0x44 [ 78.234956][ T174] ? __nf_unregister_net_hook+0x1eb/0x610 [ 78.240877][ T174] report_bug+0x1bd/0x210 [ 78.245316][ T174] handle_bug+0x3c/0x60 [ 78.249486][ T174] exc_invalid_op+0x14/0x40 [ 78.254158][ T174] asm_exc_invalid_op+0x12/0x20 [ 78.259786][ T174] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 78.266474][ T174] 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 [ 78.287380][ T174] RSP: 0018:ffffc900010bfbc0 EFLAGS: 00010286 [ 78.293716][ T174] RAX: 0000000000000000 RBX: ffff8881475ec100 RCX: 0000000000000000 [ 78.301799][ T174] RDX: ffff888012731c40 RSI: ffffffff815c8ba5 RDI: fffff52000217f6a [ 78.309778][ T174] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 78.317948][ T174] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888019c88f20 [ 78.326115][ T174] R13: 0000000000000000 R14: ffff8881478f2a00 R15: 0000000000000001 [ 78.334111][ T174] ? wake_up_klogd.part.0+0x8e/0xd0 [ 78.339644][ T174] ? vprintk+0x95/0x260 [ 78.344302][ T174] nf_unregister_net_hooks+0x117/0x160 [ 78.350152][ T174] arpt_unregister_table_pre_exit+0x67/0x80 [ 78.356153][ T174] ? arptable_filter_net_exit+0x20/0x20 [ 78.361768][ T174] cleanup_net+0x451/0xb10 [ 78.366186][ T174] ? ops_free_list.part.0+0x3d0/0x3d0 [ 78.371597][ T174] process_one_work+0x98d/0x1600 [ 78.376981][ T174] ? pwq_dec_nr_in_flight+0x320/0x320 [ 78.382707][ T174] ? rwlock_bug.part.0+0x90/0x90 [ 78.387729][ T174] ? _raw_spin_lock_irq+0x41/0x50 [ 78.393139][ T174] worker_thread+0x64c/0x1120 [ 78.397999][ T174] ? process_one_work+0x1600/0x1600 [ 78.403606][ T174] kthread+0x3b1/0x4a0 [ 78.407908][ T174] ? __kthread_bind_mask+0xc0/0xc0 [ 78.413093][ T174] ret_from_fork+0x1f/0x30 [ 78.419326][ T174] Kernel Offset: disabled [ 78.424666][ T174] Rebooting in 86400 seconds..