Warning: Permanently added '10.128.10.46' (ECDSA) to the list of known hosts. 2021/05/07 10:12:04 fuzzer started 2021/05/07 10:12:04 connecting to host at 10.128.0.169:43837 2021/05/07 10:12:04 checking machine... 2021/05/07 10:12:04 checking revisions... 2021/05/07 10:12:04 testing simple program... syzkaller login: [ 78.068861][ T8413] chnl_net:caif_netlink_parms(): no params data found [ 78.180516][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.189250][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.198105][ T8413] device bridge_slave_0 entered promiscuous mode [ 78.208673][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.217627][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.227154][ T8413] device bridge_slave_1 entered promiscuous mode [ 78.247928][ T8413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.259426][ T8413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.284380][ T8413] team0: Port device team_slave_0 added [ 78.291948][ T8413] team0: Port device team_slave_1 added [ 78.312460][ T8413] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.319979][ T8413] 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. [ 78.347298][ T8413] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.362165][ T8413] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.369636][ T8413] 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. [ 78.397928][ T8413] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.425822][ T8413] device hsr_slave_0 entered promiscuous mode [ 78.434021][ T8413] device hsr_slave_1 entered promiscuous mode [ 78.545096][ T8413] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.557150][ T8413] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.568562][ T8413] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.581147][ T8413] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.610121][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.617538][ T8413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.625583][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.633128][ T8413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.685307][ T8413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.700355][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.714662][ T27] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.724439][ T27] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.734870][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.749989][ T8413] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.764583][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.774307][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.781587][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.796227][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.805527][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.812774][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.843218][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.854050][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.864261][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.874398][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.887259][ T8413] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 78.900623][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.911496][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.931143][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.940374][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.958415][ T8413] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.979738][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.004479][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.014663][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.023919][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.038561][ T8413] device veth0_vlan entered promiscuous mode [ 79.051458][ T8413] device veth1_vlan entered promiscuous mode [ 79.078791][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.088466][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.101569][ T8413] device veth0_macvtap entered promiscuous mode [ 79.114698][ T8413] device veth1_macvtap entered promiscuous mode [ 79.134065][ T8413] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.143383][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.151867][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.160906][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.170987][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.184628][ T8413] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.193289][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.204227][ T3166] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.217455][ T8413] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.228130][ T8413] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.237955][ T8413] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.249137][ T8413] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.353994][ T100] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.367691][ T100] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 79.395186][ T8635] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.418611][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.431695][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.443781][ T3794] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/07 10:12:07 building call list... [ 80.104238][ T25] ------------[ cut here ]------------ [ 80.110124][ T25] hook not found, pf 3 num 0 [ 80.110763][ T25] WARNING: CPU: 1 PID: 25 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 80.127222][ T25] Modules linked in: [ 80.131266][ T25] CPU: 1 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 80.140964][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.153857][ T25] Workqueue: netns cleanup_net [ 80.158767][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.165816][ T25] 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 [ 80.188272][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 80.195169][ T25] RAX: 0000000000000000 RBX: ffff88814a00e800 RCX: 0000000000000000 [ 80.205371][ T25] RDX: ffff888011e254c0 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 80.214376][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.223618][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038b90f20 [ 80.238128][ T25] R13: 0000000000000000 R14: ffff888015f4ce80 R15: 0000000000000001 [ 80.247077][ T25] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 80.268476][ T25] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.276029][ T25] CR2: 000000c000600000 CR3: 000000001e7db000 CR4: 00000000001506e0 [ 80.287725][ T25] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.297401][ T25] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.308501][ T25] Call Trace: [ 80.312455][ T25] nf_unregister_net_hooks+0x117/0x160 [ 80.318416][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.327162][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 80.336864][ T25] cleanup_net+0x451/0xb10 [ 80.341666][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.350487][ T25] process_one_work+0x98d/0x1600 [ 80.356389][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.364313][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 80.369571][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 80.376036][ T25] worker_thread+0x64c/0x1120 [ 80.380778][ T25] ? __kthread_parkme+0x13f/0x1e0 [ 80.388834][ T25] ? process_one_work+0x1600/0x1600 [ 80.395549][ T25] kthread+0x3b1/0x4a0 [ 80.399762][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 80.407391][ T25] ret_from_fork+0x1f/0x30 [ 80.416679][ T25] Kernel panic - not syncing: panic_on_warn set ... [ 80.424169][ T25] CPU: 0 PID: 25 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 80.432673][ T25] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.442917][ T25] Workqueue: netns cleanup_net [ 80.447890][ T25] Call Trace: [ 80.451179][ T25] dump_stack+0x141/0x1d7 [ 80.455614][ T25] panic+0x306/0x73d [ 80.459724][ T25] ? __warn_printk+0xf3/0xf3 [ 80.464439][ T25] ? __warn.cold+0x1a/0x44 [ 80.469044][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.474872][ T25] __warn.cold+0x35/0x44 [ 80.479565][ T25] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.485649][ T25] report_bug+0x1bd/0x210 [ 80.490367][ T25] handle_bug+0x3c/0x60 [ 80.494663][ T25] exc_invalid_op+0x14/0x40 [ 80.499364][ T25] asm_exc_invalid_op+0x12/0x20 [ 80.504672][ T25] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.511121][ T25] 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 [ 80.532493][ T25] RSP: 0018:ffffc90000dffbc0 EFLAGS: 00010286 [ 80.538930][ T25] RAX: 0000000000000000 RBX: ffff88814a00e800 RCX: 0000000000000000 [ 80.547557][ T25] RDX: ffff888011e254c0 RSI: ffffffff815c8ba5 RDI: fffff520001bff6a [ 80.555894][ T25] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.563902][ T25] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff888038b90f20 [ 80.572421][ T25] R13: 0000000000000000 R14: ffff888015f4ce80 R15: 0000000000000001 [ 80.581144][ T25] ? wake_up_klogd.part.0+0x8e/0xd0 [ 80.587443][ T25] ? vprintk+0x95/0x260 [ 80.591636][ T25] nf_unregister_net_hooks+0x117/0x160 [ 80.597238][ T25] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.603339][ T25] ? arptable_filter_net_exit+0x20/0x20 [ 80.609355][ T25] cleanup_net+0x451/0xb10 [ 80.613805][ T25] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.619329][ T25] process_one_work+0x98d/0x1600 [ 80.624747][ T25] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.630322][ T25] ? rwlock_bug.part.0+0x90/0x90 [ 80.635460][ T25] ? _raw_spin_lock_irq+0x41/0x50 [ 80.641224][ T25] worker_thread+0x64c/0x1120 [ 80.646026][ T25] ? __kthread_parkme+0x13f/0x1e0 [ 80.651342][ T25] ? process_one_work+0x1600/0x1600 [ 80.656567][ T25] kthread+0x3b1/0x4a0 [ 80.661120][ T25] ? __kthread_bind_mask+0xc0/0xc0 [ 80.667081][ T25] ret_from_fork+0x1f/0x30 [ 80.673257][ T25] Kernel Offset: disabled [ 80.677922][ T25] Rebooting in 86400 seconds..