Warning: Permanently added '10.128.1.127' (ECDSA) to the list of known hosts. 2021/04/29 02:52:46 fuzzer started 2021/04/29 02:52:47 connecting to host at 10.128.0.169:36531 2021/04/29 02:52:47 checking machine... 2021/04/29 02:52:47 checking revisions... 2021/04/29 02:52:47 testing simple program... syzkaller login: [ 78.240840][ T8408] chnl_net:caif_netlink_parms(): no params data found [ 78.310014][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.320064][ T8408] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.332830][ T8408] device bridge_slave_0 entered promiscuous mode [ 78.345690][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.354306][ T8408] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.364479][ T8408] device bridge_slave_1 entered promiscuous mode [ 78.387410][ T8408] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 78.401281][ T8408] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 78.429399][ T8408] team0: Port device team_slave_0 added [ 78.445931][ T8408] team0: Port device team_slave_1 added [ 78.468800][ T8408] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 78.477840][ 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. [ 78.510192][ T8408] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 78.526539][ T8408] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 78.534559][ 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. [ 78.564356][ T8408] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 78.597031][ T8408] device hsr_slave_0 entered promiscuous mode [ 78.607423][ T8408] device hsr_slave_1 entered promiscuous mode [ 78.736528][ T8408] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 78.749275][ T8408] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 78.760702][ T8408] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 78.772672][ T8408] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 78.799329][ T8408] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.807757][ T8408] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.816958][ T8408] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.825246][ T8408] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.874346][ T8408] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.891325][ T4849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.906007][ T4849] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.917174][ T4849] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.927950][ T4849] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.945541][ T8408] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.957017][ T4849] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.969371][ T4849] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.977204][ T4849] bridge0: port 1(bridge_slave_0) entered forwarding state [ 79.005078][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 79.016260][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 79.023937][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 79.034846][ T36] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 79.050289][ T4849] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 79.060124][ T4849] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 79.080680][ T8408] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 79.095120][ T8408] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 79.112562][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 79.125384][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 79.136397][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 79.159230][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 79.169415][ T8] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 79.185876][ T8408] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 79.213900][ T3796] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 79.239825][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 79.253519][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 79.267352][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 79.283052][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 79.294975][ T8408] device veth0_vlan entered promiscuous mode [ 79.312301][ T8408] device veth1_vlan entered promiscuous mode [ 79.337326][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 79.349856][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 79.364364][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 79.374705][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 79.389011][ T8408] device veth0_macvtap entered promiscuous mode [ 79.401925][ T8408] device veth1_macvtap entered promiscuous mode [ 79.419259][ T8408] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 79.433723][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 79.446532][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 79.457714][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 79.468180][ T4800] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 79.482796][ T8408] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 79.492955][ T4849] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 79.502987][ T4849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 79.518094][ T8408] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.529588][ T8408] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.541288][ T8408] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 79.551842][ T8408] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 executing program [ 79.650971][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.665509][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.697195][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 79.715047][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 79.724340][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 79.736337][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2021/04/29 02:52:50 building call list... [ 80.400454][ T217] ------------[ cut here ]------------ [ 80.408128][ T217] hook not found, pf 3 num 0 [ 80.409020][ T217] WARNING: CPU: 0 PID: 217 at net/netfilter/core.c:480 __nf_unregister_net_hook+0x1eb/0x610 [ 80.435449][ T217] Modules linked in: [ 80.443757][ T217] CPU: 1 PID: 217 Comm: kworker/u4:4 Not tainted 5.12.0-rc7-syzkaller #0 [ 80.457826][ T217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.470488][ T217] Workqueue: netns cleanup_net [ 80.487022][ T217] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.496556][ T217] 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 00 6c 6c 8a e8 8e 38 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 36 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 80.527503][ T217] RSP: 0018:ffffc900012afbc0 EFLAGS: 00010286 [ 80.535450][ T217] RAX: 0000000000000000 RBX: ffff8881472a0d00 RCX: 0000000000000000 [ 80.545406][ T217] RDX: ffff888011f9d4c0 RSI: ffffffff815c5205 RDI: fffff52000255f6a [ 80.557972][ T217] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.568058][ T217] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff8880195e0f20 [ 80.579702][ T217] R13: 0000000000000000 R14: ffff888018674300 R15: 0000000000000001 [ 80.593994][ T217] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 80.608220][ T217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.619900][ T217] CR2: 000000c000a00000 CR3: 0000000013823000 CR4: 00000000001506f0 [ 80.629736][ T217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.647243][ T217] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.656737][ T217] Call Trace: [ 80.660812][ T217] nf_unregister_net_hooks+0x117/0x160 [ 80.668812][ T217] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.678931][ T217] ? arptable_filter_net_exit+0x20/0x20 [ 80.688442][ T217] cleanup_net+0x451/0xb10 [ 80.695255][ T217] ? ops_free_list.part.0+0x3d0/0x3d0 [ 80.702573][ T217] process_one_work+0x98d/0x1600 [ 80.710295][ T217] ? pwq_dec_nr_in_flight+0x320/0x320 [ 80.719474][ T217] ? rwlock_bug.part.0+0x90/0x90 [ 80.725995][ T217] ? _raw_spin_lock_irq+0x41/0x50 [ 80.732126][ T217] worker_thread+0x64c/0x1120 [ 80.737415][ T217] ? process_one_work+0x1600/0x1600 [ 80.745259][ T217] kthread+0x3b1/0x4a0 [ 80.753177][ T217] ? __kthread_bind_mask+0xc0/0xc0 [ 80.759161][ T217] ret_from_fork+0x1f/0x30 [ 80.764927][ T217] Kernel panic - not syncing: panic_on_warn set ... [ 80.772728][ T217] CPU: 0 PID: 217 Comm: kworker/u4:4 Not tainted 5.12.0-rc7-syzkaller #0 [ 80.781860][ T217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.794261][ T217] Workqueue: netns cleanup_net [ 80.802291][ T217] Call Trace: [ 80.806130][ T217] dump_stack+0x141/0x1d7 [ 80.810834][ T217] panic+0x306/0x73d [ 80.815582][ T217] ? __warn_printk+0xf3/0xf3 [ 80.820519][ T217] ? __warn.cold+0x1a/0x44 [ 80.825451][ T217] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.833802][ T217] __warn.cold+0x35/0x44 [ 80.839931][ T217] ? __nf_unregister_net_hook+0x1eb/0x610 [ 80.847682][ T217] report_bug+0x1bd/0x210 [ 80.853613][ T217] handle_bug+0x3c/0x60 [ 80.858680][ T217] exc_invalid_op+0x14/0x40 [ 80.865060][ T217] asm_exc_invalid_op+0x12/0x20 [ 80.871561][ T217] RIP: 0010:__nf_unregister_net_hook+0x1eb/0x610 [ 80.880785][ T217] 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 00 6c 6c 8a e8 8e 38 8a 01 <0f> 0b e9 e5 00 00 00 e8 59 36 35 fa 44 8b 3c 24 4c 89 f8 48 c1 e0 [ 80.905144][ T217] RSP: 0018:ffffc900012afbc0 EFLAGS: 00010286 [ 80.912026][ T217] RAX: 0000000000000000 RBX: ffff8881472a0d00 RCX: 0000000000000000 [ 80.921327][ T217] RDX: ffff888011f9d4c0 RSI: ffffffff815c5205 RDI: fffff52000255f6a [ 80.929945][ T217] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 80.939305][ T217] R10: ffffffff815bdf9e R11: 0000000000000000 R12: ffff8880195e0f20 [ 80.949221][ T217] R13: 0000000000000000 R14: ffff888018674300 R15: 0000000000000001 [ 80.960412][ T217] ? wake_up_klogd.part.0+0x8e/0xd0 [ 80.966712][ T217] ? vprintk_func+0x95/0x1e0 [ 80.973355][ T217] nf_unregister_net_hooks+0x117/0x160 [ 80.979219][ T217] arpt_unregister_table_pre_exit+0x67/0x80 [ 80.986138][ T217] ? arptable_filter_net_exit+0x20/0x20 [ 80.993630][ T217] cleanup_net+0x451/0xb10 [ 80.999260][ T217] ? ops_free_list.part.0+0x3d0/0x3d0 [ 81.005613][ T217] process_one_work+0x98d/0x1600 [ 81.011328][ T217] ? pwq_dec_nr_in_flight+0x320/0x320 [ 81.018102][ T217] ? rwlock_bug.part.0+0x90/0x90 [ 81.023250][ T217] ? _raw_spin_lock_irq+0x41/0x50 [ 81.029356][ T217] worker_thread+0x64c/0x1120 [ 81.034462][ T217] ? process_one_work+0x1600/0x1600 [ 81.040521][ T217] kthread+0x3b1/0x4a0 [ 81.045055][ T217] ? __kthread_bind_mask+0xc0/0xc0 [ 81.050811][ T217] ret_from_fork+0x1f/0x30 [ 81.058343][ T217] Kernel Offset: disabled [ 81.064148][ T217] Rebooting in 86400 seconds..