Warning: Permanently added '10.128.10.12' (ECDSA) to the list of known hosts. 2021/05/05 18:44:55 fuzzer started 2021/05/05 18:44:56 connecting to host at 10.128.0.169:39519 2021/05/05 18:44:56 checking machine... 2021/05/05 18:44:56 checking revisions... 2021/05/05 18:44:56 testing simple program... syzkaller login: [ 78.584965][ T8413] chnl_net:caif_netlink_parms(): no params data found [ 78.645949][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.655626][ T8413] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.665766][ T8413] device bridge_slave_0 entered promiscuous mode [ 78.676312][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.685721][ T8413] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.695103][ T8413] device bridge_slave_1 entered promiscuous mode [ 78.719857][ T8413] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.731200][ T8413] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.758199][ T8413] team0: Port device team_slave_0 added [ 78.766562][ T8413] team0: Port device team_slave_1 added [ 78.785472][ T8413] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.793105][ 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. [ 78.820862][ T8413] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.834212][ T8413] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.842377][ 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. [ 78.870336][ T8413] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.897479][ T8413] device hsr_slave_0 entered promiscuous mode [ 78.904470][ T8413] device hsr_slave_1 entered promiscuous mode [ 79.012261][ T8413] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 79.024035][ T8413] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 79.034304][ T8413] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 79.045699][ T8413] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 79.073084][ T8413] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.080856][ T8413] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.089320][ T8413] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.096677][ T8413] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.147229][ T8413] 8021q: adding VLAN 0 to HW filter on device bond0 [ 79.162571][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 79.174867][ T4838] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.186432][ T4838] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.195665][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 79.210133][ T8413] 8021q: adding VLAN 0 to HW filter on device team0 [ 79.224075][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 79.235582][ T8] bridge0: port 1(bridge_slave_0) entered blocking state [ 79.244171][ T8] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.259527][ T8634] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.268949][ T8634] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.276451][ T8634] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.298635][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.309471][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.324964][ T8634] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.337672][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.352093][ T8634] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.365515][ T8413] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.388614][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.396653][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.412390][ T8413] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.433184][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.456493][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.466044][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.475474][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.492691][ T8413] device veth0_vlan entered promiscuous mode [ 79.506686][ T8413] device veth1_vlan entered promiscuous mode [ 79.529982][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.540056][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.550073][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.562037][ T8413] device veth0_macvtap entered promiscuous mode [ 79.570703][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.583639][ T8413] device veth1_macvtap entered promiscuous mode [ 79.604315][ T8413] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.613196][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.622401][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.635601][ T8413] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.644540][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.654276][ T4838] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.670336][ T8413] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.680598][ T8413] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.690104][ T8413] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.700429][ T8413] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.806191][ T104] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.829696][ T104] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 79.858759][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.870364][ T104] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.879741][ T104] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.892925][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/05/05 18:44:59 building call list... [ 80.577841][ T321] ------------[ cut here ]------------ [ 80.586108][ T321] hook not found, pf 3 num 0 [ 80.586823][ T321] WARNING: CPU: 0 PID: 321 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 80.604830][ T321] Modules linked in: [ 80.611560][ T321] CPU: 0 PID: 321 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 80.621914][ T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.635067][ T321] Workqueue: netns cleanup_net [ 80.641254][ T321] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.648887][ T321] 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 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 80.672738][ T321] RSP: 0018:ffffc90001d1fbc0 EFLAGS: 00010286 [ 80.681520][ T321] RAX: 0000000000000000 RBX: ffff88814a027100 RCX: 0000000000000000 [ 80.691658][ T321] RDX: ffff8880159fb880 RSI: ffffffff815c8ba5 RDI: fffff520003a3f6a [ 80.701024][ T321] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.714606][ T321] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801a420f20 [ 80.724838][ T321] R13: 0000000000000000 R14: ffff88801ff01000 R15: 0000000000000001 [ 80.734604][ T321] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 80.746581][ T321] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.754310][ T321] CR2: 00007f6100ba1000 CR3: 0000000026387000 CR4: 00000000001506f0 [ 80.764168][ T321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.773558][ T321] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.783082][ T321] Call Trace: [ 80.786795][ T321] nf_unregister_net_hooks+0x117/0x160 [ 80.798539][ T321] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.804783][ T321] ? arptable_filter_net_exit+0x20/0x20 [ 80.813319][ T321] cleanup_net+0x451/0xb10 [ 80.819063][ T321] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.824969][ T321] process_one_work+0x98d/0x1600 [ 80.832017][ T321] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.838860][ T321] ? rwlock_bug.part.0+0x90/0x90 [ 80.844181][ T321] ? _raw_spin_lock_irq+0x41/0x50 [ 80.850817][ T321] worker_thread+0x64c/0x1120 [ 80.855671][ T321] ? process_one_work+0x1600/0x1600 [ 80.862662][ T321] kthread+0x3b1/0x4a0 [ 80.866842][ T321] ? __kthread_bind_mask+0xc0/0xc0 [ 80.876232][ T321] ret_from_fork+0x1f/0x30 [ 80.881815][ T321] Kernel panic - not syncing: panic_on_warn set ... [ 80.888661][ T321] CPU: 0 PID: 321 Comm: kworker/u4:4 Not tainted 5.12.0-syzkaller #0 [ 80.897249][ T321] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.907740][ T321] Workqueue: netns cleanup_net [ 80.912635][ T321] Call Trace: [ 80.916013][ T321] dump_stack+0x141/0x1d7 [ 80.920451][ T321] panic+0x306/0x73d [ 80.924764][ T321] ? __warn_printk+0xf3/0xf3 [ 80.929519][ T321] ? __warn.cold+0x1a/0x44 [ 80.933977][ T321] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.940009][ T321] __warn.cold+0x35/0x44 [ 80.944273][ T321] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.950193][ T321] report_bug+0x1bd/0x210 [ 80.954644][ T321] handle_bug+0x3c/0x60 [ 80.959779][ T321] exc_invalid_op+0x14/0x40 [ 80.964486][ T321] asm_exc_invalid_op+0x12/0x20 [ 80.969479][ T321] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.976107][ T321] 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 70 4b 8a 01 <0f> 0b e9 e5 00 00 00 e8 89 17 2e fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 80.996826][ T321] RSP: 0018:ffffc90001d1fbc0 EFLAGS: 00010286 [ 81.003093][ T321] RAX: 0000000000000000 RBX: ffff88814a027100 RCX: 0000000000000000 [ 81.011696][ T321] RDX: ffff8880159fb880 RSI: ffffffff815c8ba5 RDI: fffff520003a3f6a [ 81.020237][ T321] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 81.028696][ T321] R10: ffffffff815c2a0e R11: 0000000000000000 R12: ffff88801a420f20 [ 81.036967][ T321] R13: 0000000000000000 R14: ffff88801ff01000 R15: 0000000000000001 [ 81.045683][ T321] ? wake_up_klogd.part.0+0x8e/0xd0 [ 81.051187][ T321] ? vprintk+0x95/0x260 [ 81.055387][ T321] nf_unregister_net_hooks+0x117/0x160 [ 81.061142][ T321] arpt_unregister_table_pre_exit+0x67/0x80 [ 81.067226][ T321] ? arptable_filter_net_exit+0x20/0x20 [ 81.073151][ T321] cleanup_net+0x451/0xb10 [ 81.077884][ T321] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.083734][ T321] process_one_work+0x98d/0x1600 [ 81.089949][ T321] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.095911][ T321] ? rwlock_bug.part.0+0x90/0x90 [ 81.101110][ T321] ? _raw_spin_lock_irq+0x41/0x50 [ 81.106182][ T321] worker_thread+0x64c/0x1120 [ 81.111084][ T321] ? process_one_work+0x1600/0x1600 [ 81.116390][ T321] kthread+0x3b1/0x4a0 [ 81.120684][ T321] ? __kthread_bind_mask+0xc0/0xc0 [ 81.126165][ T321] ret_from_fork+0x1f/0x30 [ 81.132966][ T321] Kernel Offset: disabled [ 81.138064][ T321] Rebooting in 86400 seconds..