Warning: Permanently added '10.128.0.108' (ECDSA) to the list of known hosts. 2021/05/07 03:13:38 parsed 1 programs 2021/05/07 03:13:45 executed programs: 0 syzkaller login: [ 302.028083][ T8392] chnl_net:caif_netlink_parms(): no params data found [ 302.048478][ T8392] bridge0: port 1(bridge_slave_0) entered blocking state [ 302.055506][ T8392] bridge0: port 1(bridge_slave_0) entered disabled state [ 302.062939][ T8392] device bridge_slave_0 entered promiscuous mode [ 302.070109][ T8392] bridge0: port 2(bridge_slave_1) entered blocking state [ 302.077199][ T8392] bridge0: port 2(bridge_slave_1) entered disabled state [ 302.084410][ T8392] device bridge_slave_1 entered promiscuous mode [ 302.095684][ T8392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 302.105590][ T8392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 302.118376][ T8392] team0: Port device team_slave_0 added [ 302.124482][ T8392] team0: Port device team_slave_1 added [ 302.133592][ T8392] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 302.140560][ T8392] 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. [ 302.166449][ T8392] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 302.177622][ T8392] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 302.184764][ T8392] 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. [ 302.210645][ T8392] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 302.226069][ T8392] device hsr_slave_0 entered promiscuous mode [ 302.232361][ T8392] device hsr_slave_1 entered promiscuous mode [ 302.261643][ T8392] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 302.269206][ T8392] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 302.276537][ T8392] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 302.284414][ T8392] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 302.296107][ T8392] bridge0: port 2(bridge_slave_1) entered blocking state [ 302.303157][ T8392] bridge0: port 2(bridge_slave_1) entered forwarding state [ 302.310413][ T8392] bridge0: port 1(bridge_slave_0) entered blocking state [ 302.317497][ T8392] bridge0: port 1(bridge_slave_0) entered forwarding state [ 302.337474][ T8392] 8021q: adding VLAN 0 to HW filter on device bond0 [ 302.346476][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 302.354418][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 302.362046][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 302.369627][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 302.378716][ T8392] 8021q: adding VLAN 0 to HW filter on device team0 [ 302.387372][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 302.395493][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 302.402564][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 302.410983][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 302.419178][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 302.426218][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 302.438169][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 302.446334][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 302.455280][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 302.464739][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 302.473984][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 302.482818][ T8392] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 302.493808][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 302.501413][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 302.511034][ T8392] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 302.526885][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 302.535205][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 302.543585][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 302.551128][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 302.558772][ T8392] device veth0_vlan entered promiscuous mode [ 302.567292][ T8392] device veth1_vlan entered promiscuous mode [ 302.579282][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 302.587440][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 302.595122][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 302.604324][ T8392] device veth0_macvtap entered promiscuous mode [ 302.611898][ T8392] device veth1_macvtap entered promiscuous mode [ 302.622455][ T8392] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 302.629776][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 302.638364][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 302.647517][ T8392] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 302.654774][ T8100] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 302.664888][ T8392] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 302.673787][ T8392] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 302.682513][ T8392] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 302.691339][ T8392] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 302.723622][ T59] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 302.732958][ T59] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 302.737318][ T880] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 302.746854][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 302.751314][ T880] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 302.763636][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 302.847285][ T880] ------------[ cut here ]------------ [ 302.855701][ T880] hook not found, pf 3 num 0 [ 302.855976][ T880] WARNING: CPU: 1 PID: 880 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 302.871430][ T880] Modules linked in: [ 302.875320][ T880] CPU: 1 PID: 880 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 302.884090][ T880] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.894504][ T880] Workqueue: netns cleanup_net [ 302.899830][ T880] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 302.906087][ T880] Code: 59 b2 fd 84 db 0f 85 9b 00 00 00 e8 5b 52 b2 fd 41 8b 54 24 1c 89 ee 48 c7 c7 e1 e5 50 85 c6 05 ff 09 c6 02 01 e8 bc 51 93 00 <0f> 0b eb 78 e8 38 52 b2 fd 48 8b 04 24 48 c1 e3 04 89 ee 4c 01 f3 [ 302.926736][ T880] RSP: 0018:ffffc90001fefd80 EFLAGS: 00010282 [ 302.932902][ T880] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 302.941117][ T880] RDX: ffff888101b06000 RSI: ffffffff812af0f3 RDI: 0000000000000003 [ 302.949261][ T880] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 302.957610][ T880] R10: ffffffff812ae550 R11: 0000000000000000 R12: ffff88814333b800 [ 302.965581][ T880] R13: ffff88811161aa40 R14: ffff888118872c00 R15: 0000000000000001 [ 302.973738][ T880] FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 302.982884][ T880] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 302.989621][ T880] CR2: 00007f2712fdc020 CR3: 0000000112fb8000 CR4: 00000000001506e0 [ 302.997777][ T880] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 303.005751][ T880] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 303.014057][ T880] Call Trace: [ 303.017532][ T880] nf_unregister_net_hooks+0xb8/0xe0 [ 303.022837][ T880] arpt_unregister_table_pre_exit+0x46/0x60 [ 303.029128][ T880] ? arptable_filter_net_exit+0x20/0x20 [ 303.034695][ T880] cleanup_net+0x277/0x4d0 [ 303.039353][ T880] process_one_work+0x2c9/0x600 [ 303.044225][ T880] worker_thread+0x59/0x5d0 [ 303.049030][ T880] ? rescuer_thread+0x560/0x560 [ 303.053893][ T880] kthread+0x178/0x1b0 [ 303.058482][ T880] ? __kthread_bind_mask+0x90/0x90 [ 303.063603][ T880] ret_from_fork+0x1f/0x30 [ 303.068192][ T880] ---[ end trace 31af45e212c8a777 ]--- [ 303.080976][ T880] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 305.890369][ T880] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2021/05/07 03:13:52 executed programs: 1 [ 308.480444][ T880] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 308.530614][ T880] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 309.408513][ T880] device hsr_slave_0 left promiscuous mode [ 309.414523][ T880] device hsr_slave_1 left promiscuous mode [ 309.420678][ T880] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 309.428136][ T880] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 309.435562][ T880] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 309.443082][ T880] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 309.450406][ T880] device bridge_slave_1 left promiscuous mode [ 309.456503][ T880] bridge0: port 2(bridge_slave_1) entered disabled state [ 309.464021][ T880] device bridge_slave_0 left promiscuous mode [ 309.470249][ T880] bridge0: port 1(bridge_slave_0) entered disabled state [ 309.478114][ T880] device veth1_macvtap left promiscuous mode [ 309.484082][ T880] device veth0_macvtap left promiscuous mode [ 309.490089][ T880] device veth1_vlan left promiscuous mode [ 309.495802][ T880] device veth0_vlan left promiscuous mode [ 309.660453][ T880] team0 (unregistering): Port device team_slave_1 removed [ 309.668600][ T880] team0 (unregistering): Port device team_slave_0 removed [ 309.676328][ T880] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 309.685861][ T880] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 309.699607][ T880] bond0 (unregistering): Released all slaves [ 310.316700][ T8679] chnl_net:caif_netlink_parms(): no params data found [ 310.336428][ T8679] bridge0: port 1(bridge_slave_0) entered blocking state [ 310.343537][ T8679] bridge0: port 1(bridge_slave_0) entered disabled state [ 310.351311][ T8679] device bridge_slave_0 entered promiscuous mode [ 310.358589][ T8679] bridge0: port 2(bridge_slave_1) entered blocking state [ 310.365630][ T8679] bridge0: port 2(bridge_slave_1) entered disabled state [ 310.372903][ T8679] device bridge_slave_1 entered promiscuous mode [ 310.383732][ T8679] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 310.393976][ T8679] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 310.407230][ T8679] team0: Port device team_slave_0 added [ 310.413635][ T8679] team0: Port device team_slave_1 added [ 310.423170][ T8679] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 310.430149][ T8679] 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. [ 310.456153][ T8679] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 310.467558][ T8679] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 310.474503][ T8679] 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. [ 310.500558][ T8679] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 310.516506][ T8679] device hsr_slave_0 entered promiscuous mode [ 310.522970][ T8679] device hsr_slave_1 entered promiscuous mode [ 310.565875][ T8679] 8021q: adding VLAN 0 to HW filter on device bond0 [ 310.575619][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 310.583920][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 310.591532][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 310.600164][ T8679] 8021q: adding VLAN 0 to HW filter on device team0 [ 310.608576][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 310.616970][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 310.625088][ T35] bridge0: port 1(bridge_slave_0) entered blocking state [ 310.632134][ T35] bridge0: port 1(bridge_slave_0) entered forwarding state [ 310.639674][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 310.648281][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 310.656522][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 310.664887][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 310.671933][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 310.684087][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 310.692451][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 310.701676][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 310.711275][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 310.720640][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 310.729737][ T8679] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 310.744221][ T8679] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 310.751379][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 310.758754][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 310.812458][ T8679] device veth0_vlan entered promiscuous mode [ 310.818837][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 310.827492][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 310.835360][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 310.843283][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 310.853668][ T8679] device veth1_vlan entered promiscuous mode [ 310.867059][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 310.874706][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 310.882843][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 310.892309][ T8679] device veth0_macvtap entered promiscuous mode [ 310.900177][ T8679] device veth1_macvtap entered promiscuous mode [ 310.911900][ T8679] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 310.919131][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 310.927939][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 310.937185][ T8679] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 310.947052][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 310.971142][ T3202] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 310.981492][ T3202] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 310.994455][ T880] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 311.003002][ T880] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 311.011013][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 311.018686][ T4835] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 311.688544][ T880] device hsr_slave_0 left promiscuous mode [ 311.694550][ T880] device hsr_slave_1 left promiscuous mode [ 311.706096][ T880] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 311.715259][ T880] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 311.723016][ T880] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 311.731378][ T880] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 311.738987][ T880] device bridge_slave_1 left promiscuous mode [ 311.745093][ T880] bridge0: port 2(bridge_slave_1) entered disabled state [ 311.753207][ T880] device bridge_slave_0 left promiscuous mode [ 311.759723][ T880] bridge0: port 1(bridge_slave_0) entered disabled state [ 311.768215][ T880] device veth1_macvtap left promiscuous mode [ 311.774190][ T880] device veth0_macvtap left promiscuous mode [ 311.780943][ T880] device veth1_vlan left promiscuous mode [ 311.786663][ T880] device veth0_vlan left promiscuous mode [ 312.056583][ T880] team0 (unregistering): Port device team_slave_1 removed [ 312.065896][ T880] team0 (unregistering): Port device team_slave_0 removed [ 312.075408][ T880] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 312.086864][ T880] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 312.104148][ T880] bond0 (unregistering): Released all slaves [ 315.617214][ T3236] ieee802154 phy0 wpan0: encryption failed: -22 [ 315.623550][ T3236] ieee802154 phy1 wpan1: encryption failed: -22 [ 316.092895][ T8929] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 318.061667][ T8929] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118872c00 (size 64): comm "syz-executor.0", pid 8392, jiffies 4294967547 (age 15.350s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 f0 05 a6 83 ff ff ff ff ................ 80 aa 92 18 81 88 ff ff 00 76 12 16 81 88 ff ff .........v...... backtrace: [] kvmalloc_node+0x61/0xf0 [] nf_hook_entries_grow+0x31b/0x370 [] __nf_register_net_hook+0x8d/0x290 [] nf_register_net_hook+0xbf/0x100 [] nf_register_net_hooks+0x59/0xc0 [] arpt_register_table+0x152/0x1e0 [] arptable_filter_table_init+0x3d/0x60 [] xt_find_table_lock+0x189/0x290 [] xt_request_find_table_lock+0x27/0xb0 [] get_info+0xd2/0x430 [] do_arpt_get_ctl+0x224/0x520 [] nf_getsockopt+0x57/0x80 [] ip_getsockopt+0xfa/0x140 [] tcp_getsockopt+0x4b/0x80 [] __sys_getsockopt+0x133/0x2f0 [] __x64_sys_getsockopt+0x22/0x30 BUG: memory leak unreferenced object 0xffff8881163e5300 (size 64): comm "syz-executor.0", pid 8392, jiffies 4294967547 (age 15.350s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 f0 05 a6 83 ff ff ff ff ................ 80 aa 92 18 81 88 ff ff 50 76 12 16 81 88 ff ff ........Pv...... backtrace: [] kvmalloc_node+0x61/0xf0 [] nf_hook_entries_grow+0x31b/0x370 [] __nf_register_net_hook+0x8d/0x290 [] nf_register_net_hook+0xbf/0x100 [] nf_register_net_hooks+0x59/0xc0 [] arpt_register_table+0x152/0x1e0 [] arptable_filter_table_init+0x3d/0x60 [] xt_find_table_lock+0x189/0x290 [] xt_request_find_table_lock+0x27/0xb0 [] get_info+0xd2/0x430 [] do_arpt_get_ctl+0x224/0x520 [] nf_getsockopt+0x57/0x80 [] ip_getsockopt+0xfa/0x140 [] tcp_getsockopt+0x4b/0x80 [] __sys_getsockopt+0x133/0x2f0 [] __x64_sys_getsockopt+0x22/0x30 BUG: memory leak unreferenced object 0xffff888112045040 (size 64): comm "kworker/u4:3", pid 880, jiffies 4294968278 (age 8.040s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 f0 05 a6 83 ff ff ff ff ................ 80 aa 92 18 81 88 ff ff 28 76 12 16 81 88 ff ff ........(v...... backtrace: [] kvmalloc_node+0x61/0xf0 [] __nf_hook_entries_try_shrink+0xfd/0x210 [] __nf_unregister_net_hook+0x17b/0x280 [] nf_unregister_net_hook+0x82/0xb0 [] ops_exit_list+0x41/0x80 [] cleanup_net+0x2c1/0x4d0 [] process_one_work+0x2c9/0x600 [] worker_thread+0x59/0x5d0 [] kthread+0x178/0x1b0 [] ret_from_fork+0x1f/0x30