Warning: Permanently added '10.128.10.7' (ECDSA) to the list of known hosts. 2021/05/07 21:25:42 parsed 1 programs 2021/05/07 21:25:49 executed programs: 0 [ 318.274871][ T8398] chnl_net:caif_netlink_parms(): no params data found [ 318.310290][ T8398] bridge0: port 1(bridge_slave_0) entered blocking state [ 318.317406][ T8398] bridge0: port 1(bridge_slave_0) entered disabled state [ 318.335134][ T8398] device bridge_slave_0 entered promiscuous mode [ 318.342457][ T8398] bridge0: port 2(bridge_slave_1) entered blocking state [ 318.349668][ T8398] bridge0: port 2(bridge_slave_1) entered disabled state [ 318.357087][ T8398] device bridge_slave_1 entered promiscuous mode [ 318.367505][ T8398] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 318.377361][ T8398] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 318.389965][ T8398] team0: Port device team_slave_0 added [ 318.396198][ T8398] team0: Port device team_slave_1 added [ 318.405190][ T8398] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 318.412132][ T8398] 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. [ 318.438297][ T8398] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 318.449462][ T8398] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 318.456425][ T8398] 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. [ 318.482323][ T8398] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 318.497583][ T8398] device hsr_slave_0 entered promiscuous mode [ 318.503832][ T8398] device hsr_slave_1 entered promiscuous mode [ 318.533412][ T8398] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 318.541107][ T8398] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 318.548925][ T8398] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 318.556687][ T8398] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 318.568600][ T8398] bridge0: port 2(bridge_slave_1) entered blocking state [ 318.575829][ T8398] bridge0: port 2(bridge_slave_1) entered forwarding state [ 318.583163][ T8398] bridge0: port 1(bridge_slave_0) entered blocking state [ 318.590188][ T8398] bridge0: port 1(bridge_slave_0) entered forwarding state [ 318.609457][ T8398] 8021q: adding VLAN 0 to HW filter on device bond0 [ 318.618491][ T8538] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 318.627208][ T8538] bridge0: port 1(bridge_slave_0) entered disabled state [ 318.635066][ T8538] bridge0: port 2(bridge_slave_1) entered disabled state [ 318.642505][ T8538] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 318.652030][ T8398] 8021q: adding VLAN 0 to HW filter on device team0 [ 318.660459][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 318.668993][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 318.676171][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 318.685383][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 318.693814][ T8618] bridge0: port 2(bridge_slave_1) entered blocking state [ 318.701295][ T8618] bridge0: port 2(bridge_slave_1) entered forwarding state [ 318.715169][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 318.723406][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 318.731658][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 318.739774][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 318.748937][ T8538] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 318.756901][ T8398] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 318.770066][ T8398] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 318.777163][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 318.784849][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 318.801229][ T8398] device veth0_vlan entered promiscuous mode [ 318.807495][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 318.816202][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 318.824110][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 318.831523][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 318.841106][ T8398] device veth1_vlan entered promiscuous mode [ 318.852386][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 318.860672][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 318.868979][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 318.878652][ T8398] device veth0_macvtap entered promiscuous mode [ 318.886490][ T8398] device veth1_macvtap entered promiscuous mode [ 318.896882][ T8398] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 318.904271][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 318.913257][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 318.922612][ T8398] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 318.930310][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 318.940511][ T8398] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 318.949627][ T8398] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 318.958371][ T8398] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 318.967097][ T8398] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 318.990869][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 319.001590][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 319.015499][ T8631] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 319.023332][ T8631] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 319.028042][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 319.038992][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 319.123658][ T8636] ------------[ cut here ]------------ [ 319.129759][ T8636] hook not found, pf 3 num 0 [ 319.130010][ T8636] WARNING: CPU: 1 PID: 8636 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 319.145695][ T8636] Modules linked in: [ 319.149616][ T8636] CPU: 1 PID: 8636 Comm: kworker/u4:3 Not tainted 5.12.0-syzkaller #0 [ 319.158446][ T8636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.169235][ T8636] Workqueue: netns cleanup_net [ 319.175050][ T8636] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 319.181328][ T8636] Code: 61 b2 fd 84 db 0f 85 9b 00 00 00 e8 8b 59 b2 fd 41 8b 54 24 1c 89 ee 48 c7 c7 91 e8 50 85 c6 05 70 13 c6 02 01 e8 ec 58 93 00 <0f> 0b eb 78 e8 68 59 b2 fd 48 8b 04 24 48 c1 e3 04 89 ee 4c 01 f3 [ 319.202260][ T8636] RSP: 0018:ffffc90001367d80 EFLAGS: 00010282 [ 319.208896][ T8636] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 319.217336][ T8636] RDX: ffff8881151d9000 RSI: ffffffff812af0f3 RDI: 0000000000000003 [ 319.225663][ T8636] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 319.233649][ T8636] R10: ffffffff812ae550 R11: 0000000000000000 R12: ffff8881433c1e00 [ 319.242418][ T8636] R13: ffff888110e4aa40 R14: ffff888119cebf00 R15: 0000000000000001 [ 319.251071][ T8636] FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 319.260502][ T8636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 319.267822][ T8636] CR2: 00007ff2774aa000 CR3: 0000000112cb0000 CR4: 00000000001506e0 [ 319.276712][ T8636] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 319.285383][ T8636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 319.293562][ T8636] Call Trace: [ 319.297359][ T8636] nf_unregister_net_hooks+0xb8/0xe0 [ 319.302754][ T8636] arpt_unregister_table_pre_exit+0x46/0x60 [ 319.309432][ T8636] ? arptable_filter_net_exit+0x20/0x20 [ 319.316431][ T8636] cleanup_net+0x277/0x4d0 [ 319.320992][ T8636] process_one_work+0x2c9/0x600 [ 319.326928][ T8636] worker_thread+0x59/0x5d0 [ 319.331796][ T8636] ? rescuer_thread+0x560/0x560 [ 319.337826][ T8636] kthread+0x178/0x1b0 [ 319.341906][ T8636] ? __kthread_bind_mask+0x90/0x90 [ 319.348011][ T8636] ret_from_fork+0x1f/0x30 [ 319.352564][ T8636] ---[ end trace 449120ba6db46295 ]--- [ 319.364490][ T8636] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 322.167818][ T8636] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 324.439368][ T8636] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 324.550001][ T8636] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2021/05/07 21:25:57 executed programs: 1 [ 325.515980][ T8636] device hsr_slave_0 left promiscuous mode [ 325.522150][ T8636] device hsr_slave_1 left promiscuous mode [ 325.528199][ T8636] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 325.535746][ T8636] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 325.543061][ T8636] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 325.550947][ T8636] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 325.558811][ T8636] device bridge_slave_1 left promiscuous mode [ 325.565231][ T8636] bridge0: port 2(bridge_slave_1) entered disabled state [ 325.572503][ T8636] device bridge_slave_0 left promiscuous mode [ 325.579046][ T8636] bridge0: port 1(bridge_slave_0) entered disabled state [ 325.587067][ T8636] device veth1_macvtap left promiscuous mode [ 325.593051][ T8636] device veth0_macvtap left promiscuous mode [ 325.599067][ T8636] device veth1_vlan left promiscuous mode [ 325.604867][ T8636] device veth0_vlan left promiscuous mode [ 325.782034][ T8636] team0 (unregistering): Port device team_slave_1 removed [ 325.790381][ T8636] team0 (unregistering): Port device team_slave_0 removed [ 325.798449][ T8636] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 325.807990][ T8636] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 325.821951][ T8636] bond0 (unregistering): Released all slaves [ 326.750583][ T8699] chnl_net:caif_netlink_parms(): no params data found [ 326.770734][ T8699] bridge0: port 1(bridge_slave_0) entered blocking state [ 326.778299][ T8699] bridge0: port 1(bridge_slave_0) entered disabled state [ 326.786302][ T8699] device bridge_slave_0 entered promiscuous mode [ 326.793416][ T8699] bridge0: port 2(bridge_slave_1) entered blocking state [ 326.800904][ T8699] bridge0: port 2(bridge_slave_1) entered disabled state [ 326.809127][ T8699] device bridge_slave_1 entered promiscuous mode [ 326.820181][ T8699] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 326.830226][ T8699] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 326.843735][ T8699] team0: Port device team_slave_0 added [ 326.850379][ T8699] team0: Port device team_slave_1 added [ 326.860097][ T8699] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 326.867432][ T8699] 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. [ 326.894048][ T8699] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 326.906641][ T8699] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 326.913776][ T8699] 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. [ 326.940124][ T8699] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 326.956188][ T8699] device hsr_slave_0 entered promiscuous mode [ 326.962811][ T8699] device hsr_slave_1 entered promiscuous mode [ 326.989565][ T8699] bridge0: port 2(bridge_slave_1) entered blocking state [ 326.996731][ T8699] bridge0: port 2(bridge_slave_1) entered forwarding state [ 327.003980][ T8699] bridge0: port 1(bridge_slave_0) entered blocking state [ 327.011094][ T8699] bridge0: port 1(bridge_slave_0) entered forwarding state [ 327.032497][ T8699] 8021q: adding VLAN 0 to HW filter on device bond0 [ 327.041985][ T8618] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 327.050150][ T8618] bridge0: port 1(bridge_slave_0) entered disabled state [ 327.057809][ T8618] bridge0: port 2(bridge_slave_1) entered disabled state [ 327.067344][ T8699] 8021q: adding VLAN 0 to HW filter on device team0 [ 327.075858][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 327.084496][ T19] bridge0: port 1(bridge_slave_0) entered blocking state [ 327.091608][ T19] bridge0: port 1(bridge_slave_0) entered forwarding state [ 327.109259][ T8699] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 327.119896][ T8699] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 327.131372][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 327.139658][ T2017] bridge0: port 2(bridge_slave_1) entered blocking state [ 327.146936][ T2017] bridge0: port 2(bridge_slave_1) entered forwarding state [ 327.154956][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 327.163070][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 327.171404][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 327.179568][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 327.187686][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 327.195102][ T2017] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 327.209556][ T8699] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 327.216859][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 327.224519][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 327.292739][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 327.306511][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 327.314618][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 327.322280][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 327.331353][ T8699] device veth0_vlan entered promiscuous mode [ 327.340398][ T8699] device veth1_vlan entered promiscuous mode [ 327.353501][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 327.363222][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 327.371579][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 327.381237][ T8699] device veth0_macvtap entered promiscuous mode [ 327.389299][ T8699] device veth1_macvtap entered promiscuous mode [ 327.396190][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 327.408328][ T8699] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 327.415607][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 327.423812][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 327.434203][ T8699] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 327.444183][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 327.452436][ T33] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 327.482819][ T8636] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 327.491265][ T8636] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 327.496616][ T24] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 327.507682][ T24] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 327.511428][ T4555] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 327.522638][ T4555] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 328.200997][ T24] device hsr_slave_0 left promiscuous mode [ 328.212867][ T24] device hsr_slave_1 left promiscuous mode [ 328.229182][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 328.237774][ T24] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 328.245996][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 328.253381][ T24] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 328.261505][ T24] device bridge_slave_1 left promiscuous mode [ 328.268141][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 328.276188][ T24] device bridge_slave_0 left promiscuous mode [ 328.282333][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 328.291594][ T24] device veth1_macvtap left promiscuous mode [ 328.298227][ T24] device veth0_macvtap left promiscuous mode [ 328.305046][ T24] device veth1_vlan left promiscuous mode [ 328.310877][ T24] device veth0_vlan left promiscuous mode [ 328.557247][ T24] team0 (unregistering): Port device team_slave_1 removed [ 328.568462][ T24] team0 (unregistering): Port device team_slave_0 removed [ 328.580709][ T24] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 328.591054][ T24] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 328.613424][ T24] bond0 (unregistering): Released all slaves [ 332.803775][ T8941] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 334.867589][ T8941] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888119cebf00 (size 64): comm "syz-executor.0", pid 8398, jiffies 4294969178 (age 15.880s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 c0 fe a5 83 ff ff ff ff ................ 00 d0 ce 19 81 88 ff ff 80 08 80 19 81 88 ff ff ................ 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 0xffff888119ceb600 (size 64): comm "syz-executor.0", pid 8398, jiffies 4294969178 (age 15.880s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 c0 fe a5 83 ff ff ff ff ................ 00 d0 ce 19 81 88 ff ff d0 08 80 19 81 88 ff ff ................ 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 0xffff88811384ab80 (size 64): comm "kworker/u4:3", pid 8636, jiffies 4294969898 (age 8.680s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 c0 fe a5 83 ff ff ff ff ................ 00 d0 ce 19 81 88 ff ff a8 08 80 19 81 88 ff ff ................ 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