Warning: Permanently added '10.128.0.129' (ECDSA) to the list of known hosts. 2021/04/30 19:22:55 parsed 1 programs 2021/04/30 19:23:02 executed programs: 0 [ 300.723187][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 300.746419][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 300.753729][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 300.762081][ T8405] device bridge_slave_0 entered promiscuous mode [ 300.769366][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 300.776970][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 300.784894][ T8405] device bridge_slave_1 entered promiscuous mode [ 300.797382][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 300.807733][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 300.820810][ T8405] team0: Port device team_slave_0 added [ 300.827520][ T8405] team0: Port device team_slave_1 added [ 300.837104][ T8405] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 300.844304][ T8405] 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. [ 300.871029][ T8405] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 300.882455][ T8405] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 300.890538][ T8405] 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. [ 300.917077][ T8405] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 300.934207][ T8405] device hsr_slave_0 entered promiscuous mode [ 300.942312][ T8405] device hsr_slave_1 entered promiscuous mode [ 300.976213][ T8405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 300.984637][ T8405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 300.993510][ T8405] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 301.001844][ T8405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 301.014517][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 301.021648][ T8405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 301.029166][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 301.037127][ T8405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 301.056523][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 301.065641][ T1923] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 301.074188][ T1923] bridge0: port 1(bridge_slave_0) entered disabled state [ 301.082349][ T1923] bridge0: port 2(bridge_slave_1) entered disabled state [ 301.089914][ T1923] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 301.099610][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 301.108262][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 301.116916][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 301.124121][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 301.133129][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 301.141871][ T3784] bridge0: port 2(bridge_slave_1) entered blocking state [ 301.149083][ T3784] bridge0: port 2(bridge_slave_1) entered forwarding state [ 301.161614][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 301.170154][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 301.181680][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 301.189827][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 301.200310][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 301.209742][ T8405] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 301.222713][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 301.230147][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 301.240310][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 301.252630][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 301.266571][ T8405] device veth0_vlan entered promiscuous mode [ 301.273304][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 301.281992][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 301.289585][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 301.299499][ T8405] device veth1_vlan entered promiscuous mode [ 301.311763][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 301.319537][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 301.328188][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 301.338165][ T8405] device veth0_macvtap entered promiscuous mode [ 301.346209][ T8405] device veth1_macvtap entered promiscuous mode [ 301.357091][ T8405] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 301.364506][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 301.373352][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 301.383467][ T8405] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 301.391889][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 301.400927][ T8405] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.409961][ T8405] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.419225][ T8405] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.431209][ T8405] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.462591][ T27] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 301.470627][ T27] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 301.480323][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 301.488131][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 301.490115][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 301.507606][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 301.597166][ T341] ------------[ cut here ]------------ [ 301.602823][ T341] hook not found, pf 3 num 0 [ 301.603084][ T341] WARNING: CPU: 1 PID: 341 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 301.619321][ T341] Modules linked in: [ 301.623962][ T341] CPU: 1 PID: 341 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 301.633841][ T341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 301.645896][ T341] Workqueue: netns cleanup_net [ 301.650763][ T341] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 301.658034][ T341] Code: 54 b3 fd 84 db 0f 85 9b 00 00 00 e8 4b 4d b3 fd 41 8b 54 24 1c 89 ee 48 c7 c7 f1 75 50 85 c6 05 5b 17 c7 02 01 e8 b3 5a 93 00 <0f> 0b eb 78 e8 28 4d b3 fd 48 8b 04 24 48 c1 e3 04 89 ee 4c 01 f3 [ 301.679046][ T341] RSP: 0018:ffffc900016a7d80 EFLAGS: 00010282 [ 301.685950][ T341] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 301.694616][ T341] RDX: ffff8881011ed000 RSI: ffffffff812adfd3 RDI: 0000000000000003 [ 301.704455][ T341] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 301.713941][ T341] R10: ffffffff812ad430 R11: 0000000000000000 R12: ffff88810851f000 [ 301.723581][ T341] R13: ffff888113c52a40 R14: ffff8881163f6b80 R15: 0000000000000001 [ 301.732602][ T341] FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 301.743256][ T341] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 301.750115][ T341] CR2: 00007fe5dc039048 CR3: 000000010f7f2000 CR4: 00000000001506e0 [ 301.759631][ T341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 301.768712][ T341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 301.778657][ T341] Call Trace: [ 301.782666][ T341] nf_unregister_net_hooks+0xb8/0xe0 [ 301.787981][ T341] arpt_unregister_table_pre_exit+0x46/0x60 [ 301.794599][ T341] ? arptable_filter_net_exit+0x20/0x20 [ 301.800982][ T341] cleanup_net+0x277/0x4d0 [ 301.805999][ T341] process_one_work+0x2c9/0x600 [ 301.811781][ T341] worker_thread+0x59/0x5d0 [ 301.816473][ T341] ? rescuer_thread+0x560/0x560 [ 301.822660][ T341] kthread+0x178/0x1b0 [ 301.827705][ T341] ? __kthread_bind_mask+0x90/0x90 [ 301.833899][ T341] ret_from_fork+0x1f/0x30 [ 301.838672][ T341] ---[ end trace b945049c5eb13ce1 ]--- [ 301.852062][ T341] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 304.654746][ T341] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2021/04/30 19:23:10 executed programs: 1 [ 307.214499][ T341] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 307.274734][ T341] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 307.972661][ T341] device hsr_slave_0 left promiscuous mode [ 307.978887][ T341] device hsr_slave_1 left promiscuous mode [ 307.985167][ T341] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 307.994929][ T341] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 308.002434][ T341] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 308.009811][ T341] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 308.017323][ T341] device bridge_slave_1 left promiscuous mode [ 308.023522][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 308.031376][ T341] device bridge_slave_0 left promiscuous mode [ 308.037549][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 308.045546][ T341] device veth1_macvtap left promiscuous mode [ 308.052303][ T341] device veth0_macvtap left promiscuous mode [ 308.058691][ T341] device veth1_vlan left promiscuous mode [ 308.064828][ T341] device veth0_vlan left promiscuous mode [ 308.254990][ T341] team0 (unregistering): Port device team_slave_1 removed [ 308.263536][ T341] team0 (unregistering): Port device team_slave_0 removed [ 308.272196][ T341] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 308.282067][ T341] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 308.295966][ T341] bond0 (unregistering): Released all slaves [ 309.244516][ T8703] chnl_net:caif_netlink_parms(): no params data found [ 309.267209][ T8703] bridge0: port 1(bridge_slave_0) entered blocking state [ 309.274543][ T8703] bridge0: port 1(bridge_slave_0) entered disabled state [ 309.282160][ T8703] device bridge_slave_0 entered promiscuous mode [ 309.289437][ T8703] bridge0: port 2(bridge_slave_1) entered blocking state [ 309.296872][ T8703] bridge0: port 2(bridge_slave_1) entered disabled state [ 309.304696][ T8703] device bridge_slave_1 entered promiscuous mode [ 309.316078][ T8703] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 309.327113][ T8703] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 309.340370][ T8703] team0: Port device team_slave_0 added [ 309.347195][ T8703] team0: Port device team_slave_1 added [ 309.357666][ T8703] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 309.366468][ T8703] 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. [ 309.392820][ T8703] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 309.404235][ T8703] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 309.411281][ T8703] 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. [ 309.437336][ T8703] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 309.453548][ T8703] device hsr_slave_0 entered promiscuous mode [ 309.460256][ T8703] device hsr_slave_1 entered promiscuous mode [ 309.487824][ T8703] bridge0: port 2(bridge_slave_1) entered blocking state [ 309.495420][ T8703] bridge0: port 2(bridge_slave_1) entered forwarding state [ 309.502681][ T8703] bridge0: port 1(bridge_slave_0) entered blocking state [ 309.510009][ T8703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 309.531856][ T8703] 8021q: adding VLAN 0 to HW filter on device bond0 [ 309.542422][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 309.550255][ T3784] bridge0: port 1(bridge_slave_0) entered disabled state [ 309.557847][ T3784] bridge0: port 2(bridge_slave_1) entered disabled state [ 309.567354][ T8703] 8021q: adding VLAN 0 to HW filter on device team0 [ 309.576047][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 309.584832][ T8657] bridge0: port 1(bridge_slave_0) entered blocking state [ 309.591960][ T8657] bridge0: port 1(bridge_slave_0) entered forwarding state [ 309.600950][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 309.609257][ T4816] bridge0: port 2(bridge_slave_1) entered blocking state [ 309.616702][ T4816] bridge0: port 2(bridge_slave_1) entered forwarding state [ 309.628893][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 309.638612][ T8657] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 309.647811][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 309.657992][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 309.674466][ T8703] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 309.685236][ T8703] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 309.693088][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 309.705191][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 309.713603][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 309.724395][ T8703] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 309.790658][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 309.801577][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 309.809618][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 309.817361][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 309.826529][ T8703] device veth0_vlan entered promiscuous mode [ 309.835474][ T8703] device veth1_vlan entered promiscuous mode [ 309.849301][ T8703] device veth0_macvtap entered promiscuous mode [ 309.856133][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 309.864212][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 309.872664][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 309.881201][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 309.891053][ T8703] device veth1_macvtap entered promiscuous mode [ 309.903044][ T8703] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 309.912382][ T3784] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 309.923098][ T8703] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 309.931446][ T4816] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 309.958976][ T341] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 309.963583][ T27] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 309.976501][ T341] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 309.985084][ T27] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 309.992992][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 310.001771][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 310.734054][ T341] device hsr_slave_0 left promiscuous mode [ 310.743818][ T341] device hsr_slave_1 left promiscuous mode [ 310.754373][ T341] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 310.761915][ T341] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 310.769331][ T341] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 310.777900][ T341] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 310.785756][ T341] device bridge_slave_1 left promiscuous mode [ 310.792763][ T341] bridge0: port 2(bridge_slave_1) entered disabled state [ 310.800279][ T341] device bridge_slave_0 left promiscuous mode [ 310.807129][ T341] bridge0: port 1(bridge_slave_0) entered disabled state [ 310.816024][ T341] device veth1_macvtap left promiscuous mode [ 310.822632][ T341] device veth0_macvtap left promiscuous mode [ 310.828625][ T341] device veth1_vlan left promiscuous mode [ 310.835034][ T341] device veth0_vlan left promiscuous mode [ 311.094382][ T341] team0 (unregistering): Port device team_slave_1 removed [ 311.106617][ T341] team0 (unregistering): Port device team_slave_0 removed [ 311.118765][ T341] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 311.129934][ T341] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 311.148234][ T341] bond0 (unregistering): Released all slaves [ 315.266462][ T8944] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 315.600563][ T3240] ieee802154 phy0 wpan0: encryption failed: -22 [ 315.606859][ T3240] ieee802154 phy1 wpan1: encryption failed: -22 [ 317.320886][ T8944] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881163f6b80 (size 64): comm "syz-executor.0", pid 8405, jiffies 4294967423 (age 15.870s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 90 f3 a4 83 ff ff ff ff ................ 00 1b cb 13 81 88 ff ff 80 92 42 0f 81 88 ff ff ..........B..... 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 0xffff8881163f6600 (size 64): comm "syz-executor.0", pid 8405, jiffies 4294967423 (age 15.870s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 90 f3 a4 83 ff ff ff ff ................ 00 1b cb 13 81 88 ff ff d0 92 42 0f 81 88 ff ff ..........B..... 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 0xffff888108572a80 (size 64): comm "kworker/u4:3", pid 341, jiffies 4294968144 (age 8.660s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 90 f3 a4 83 ff ff ff ff ................ 00 1b cb 13 81 88 ff ff a8 92 42 0f 81 88 ff ff ..........B..... 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