Warning: Permanently added '10.128.1.38' (ECDSA) to the list of known hosts. 2021/05/01 14:39:56 parsed 1 programs 2021/05/01 14:40:03 executed programs: 0 syzkaller login: [ 312.630212][ T8421] chnl_net:caif_netlink_parms(): no params data found [ 312.647676][ T8421] bridge0: port 1(bridge_slave_0) entered blocking state [ 312.655322][ T8421] bridge0: port 1(bridge_slave_0) entered disabled state [ 312.662738][ T8421] device bridge_slave_0 entered promiscuous mode [ 312.669765][ T8421] bridge0: port 2(bridge_slave_1) entered blocking state [ 312.676804][ T8421] bridge0: port 2(bridge_slave_1) entered disabled state [ 312.684321][ T8421] device bridge_slave_1 entered promiscuous mode [ 312.694413][ T8421] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 312.704215][ T8421] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 312.716814][ T8421] team0: Port device team_slave_0 added [ 312.723122][ T8421] team0: Port device team_slave_1 added [ 312.731969][ T8421] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 312.738946][ T8421] 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. [ 312.765075][ T8421] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 312.776272][ T8421] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 312.783240][ T8421] 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. [ 312.809133][ T8421] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 312.824242][ T8421] device hsr_slave_0 entered promiscuous mode [ 312.830526][ T8421] device hsr_slave_1 entered promiscuous mode [ 312.859048][ T8421] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 312.866564][ T8421] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 312.874178][ T8421] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 312.881709][ T8421] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 312.893362][ T8421] bridge0: port 2(bridge_slave_1) entered blocking state [ 312.900490][ T8421] bridge0: port 2(bridge_slave_1) entered forwarding state [ 312.907685][ T8421] bridge0: port 1(bridge_slave_0) entered blocking state [ 312.914755][ T8421] bridge0: port 1(bridge_slave_0) entered forwarding state [ 312.932976][ T8421] 8021q: adding VLAN 0 to HW filter on device bond0 [ 312.941771][ T8562] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 312.949785][ T8562] bridge0: port 1(bridge_slave_0) entered disabled state [ 312.957100][ T8562] bridge0: port 2(bridge_slave_1) entered disabled state [ 312.964970][ T8562] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 312.974091][ T8421] 8021q: adding VLAN 0 to HW filter on device team0 [ 312.982245][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 312.990642][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 312.997688][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 313.006379][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 313.014663][ T4846] bridge0: port 2(bridge_slave_1) entered blocking state [ 313.021683][ T4846] bridge0: port 2(bridge_slave_1) entered forwarding state [ 313.032783][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 313.040951][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 313.053248][ T8421] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 313.063877][ T8421] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 313.075728][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 313.084248][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 313.092501][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 313.100775][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 313.110923][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 313.118346][ T4846] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 313.127520][ T8421] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 313.138880][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 313.152084][ T8421] device veth0_vlan entered promiscuous mode [ 313.158645][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 313.166575][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 313.174083][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 313.183466][ T8421] device veth1_vlan entered promiscuous mode [ 313.195421][ T8421] device veth0_macvtap entered promiscuous mode [ 313.202095][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 313.209986][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 313.217670][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 313.225787][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 313.234623][ T8421] device veth1_macvtap entered promiscuous mode [ 313.244739][ T8421] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 313.252011][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 313.261952][ T8421] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 313.269535][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 313.278783][ T8421] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 313.287453][ T8421] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 313.296375][ T8421] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 313.305223][ T8421] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 313.327777][ T8496] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 313.337187][ T8496] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 313.350385][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 313.357892][ T3137] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 313.372595][ T3137] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 313.380331][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 313.460826][ T8667] ------------[ cut here ]------------ [ 313.466298][ T8667] hook not found, pf 3 num 0 [ 313.466543][ T8667] WARNING: CPU: 1 PID: 8667 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 313.484958][ T8667] Modules linked in: [ 313.489314][ T8667] CPU: 1 PID: 8667 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 313.497473][ T8667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 313.508182][ T8667] Workqueue: netns cleanup_net [ 313.512954][ T8667] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 313.519802][ T8667] Code: db b2 fd 84 db 0f 85 9b 00 00 00 e8 bb d3 b2 fd 41 8b 54 24 1c 89 ee 48 c7 c7 99 c4 50 85 c6 05 6c 99 c6 02 01 e8 92 4f 93 00 <0f> 0b eb 78 e8 98 d3 b2 fd 48 8b 04 24 48 c1 e3 04 89 ee 4c 01 f3 [ 313.539872][ T8667] RSP: 0018:ffffc900013bbd80 EFLAGS: 00010282 [ 313.545931][ T8667] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 313.554435][ T8667] RDX: ffff888114cb8000 RSI: ffffffff812adff3 RDI: 0000000000000003 [ 313.562850][ T8667] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 313.571236][ T8667] R10: ffffffff812ad450 R11: 0000000000000000 R12: ffff8881433c9300 [ 313.579673][ T8667] R13: ffff88810be22a40 R14: ffff888118ccf2c0 R15: 0000000000000001 [ 313.587636][ T8667] FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 313.597121][ T8667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 313.604194][ T8667] CR2: 00007fb968a8c018 CR3: 0000000112747000 CR4: 00000000001506e0 [ 313.612492][ T8667] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 313.620783][ T8667] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 313.629056][ T8667] Call Trace: [ 313.632336][ T8667] nf_unregister_net_hooks+0xb8/0xe0 [ 313.637625][ T8667] arpt_unregister_table_pre_exit+0x46/0x60 [ 313.644098][ T8667] ? arptable_filter_net_exit+0x20/0x20 [ 313.650089][ T8667] cleanup_net+0x277/0x4d0 [ 313.654514][ T8667] process_one_work+0x2c9/0x600 [ 313.660009][ T8667] worker_thread+0x59/0x5d0 [ 313.664520][ T8667] ? rescuer_thread+0x560/0x560 [ 313.670380][ T8667] kthread+0x178/0x1b0 [ 313.674452][ T8667] ? __kthread_bind_mask+0x90/0x90 [ 313.680006][ T8667] ret_from_fork+0x1f/0x30 [ 313.684539][ T8667] ---[ end trace 52127da77071e2c7 ]--- [ 313.697101][ T8667] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 315.588243][ T3239] ieee802154 phy0 wpan0: encryption failed: -22 [ 315.594533][ T3239] ieee802154 phy1 wpan1: encryption failed: -22 [ 316.261549][ T8667] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 318.513573][ T8667] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 318.553905][ T8667] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2021/05/01 14:40:11 executed programs: 1 [ 319.380573][ T8667] device hsr_slave_0 left promiscuous mode [ 319.386551][ T8667] device hsr_slave_1 left promiscuous mode [ 319.392511][ T8667] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 319.400002][ T8667] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 319.407253][ T8667] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 319.414630][ T8667] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 319.421913][ T8667] device bridge_slave_1 left promiscuous mode [ 319.428153][ T8667] bridge0: port 2(bridge_slave_1) entered disabled state [ 319.435404][ T8667] device bridge_slave_0 left promiscuous mode [ 319.441584][ T8667] bridge0: port 1(bridge_slave_0) entered disabled state [ 319.449368][ T8667] device veth1_macvtap left promiscuous mode [ 319.455331][ T8667] device veth0_macvtap left promiscuous mode [ 319.461329][ T8667] device veth1_vlan left promiscuous mode [ 319.467033][ T8667] device veth0_vlan left promiscuous mode [ 319.630797][ T8667] team0 (unregistering): Port device team_slave_1 removed [ 319.639209][ T8667] team0 (unregistering): Port device team_slave_0 removed [ 319.646954][ T8667] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 319.656498][ T8667] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 319.670157][ T8667] bond0 (unregistering): Released all slaves [ 321.393423][ T8722] chnl_net:caif_netlink_parms(): no params data found [ 321.414997][ T8722] bridge0: port 1(bridge_slave_0) entered blocking state [ 321.422122][ T8722] bridge0: port 1(bridge_slave_0) entered disabled state [ 321.429740][ T8722] device bridge_slave_0 entered promiscuous mode [ 321.436931][ T8722] bridge0: port 2(bridge_slave_1) entered blocking state [ 321.444217][ T8722] bridge0: port 2(bridge_slave_1) entered disabled state [ 321.451694][ T8722] device bridge_slave_1 entered promiscuous mode [ 321.462251][ T8722] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 321.472206][ T8722] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 321.485001][ T8722] team0: Port device team_slave_0 added [ 321.491439][ T8722] team0: Port device team_slave_1 added [ 321.500508][ T8722] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 321.507880][ T8722] 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. [ 321.533935][ T8722] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 321.545388][ T8722] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 321.552362][ T8722] 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. [ 321.578407][ T8722] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 321.593990][ T8722] device hsr_slave_0 entered promiscuous mode [ 321.600283][ T8722] device hsr_slave_1 entered promiscuous mode [ 321.626531][ T8722] bridge0: port 2(bridge_slave_1) entered blocking state [ 321.633759][ T8722] bridge0: port 2(bridge_slave_1) entered forwarding state [ 321.640996][ T8722] bridge0: port 1(bridge_slave_0) entered blocking state [ 321.648123][ T8722] bridge0: port 1(bridge_slave_0) entered forwarding state [ 321.670023][ T8722] 8021q: adding VLAN 0 to HW filter on device bond0 [ 321.679826][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 321.687361][ T8645] bridge0: port 1(bridge_slave_0) entered disabled state [ 321.695276][ T8645] bridge0: port 2(bridge_slave_1) entered disabled state [ 321.702956][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 321.712089][ T8722] 8021q: adding VLAN 0 to HW filter on device team0 [ 321.720562][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 321.729078][ T8642] bridge0: port 1(bridge_slave_0) entered blocking state [ 321.736088][ T8642] bridge0: port 1(bridge_slave_0) entered forwarding state [ 321.745080][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 321.753375][ T19] bridge0: port 2(bridge_slave_1) entered blocking state [ 321.760403][ T19] bridge0: port 2(bridge_slave_1) entered forwarding state [ 321.772211][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 321.780468][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 321.789401][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 321.801393][ T8722] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 321.811754][ T8722] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 321.823421][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 321.831625][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 321.845456][ T8722] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 321.852544][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 321.859889][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 321.867327][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 321.899399][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 321.913597][ T8722] device veth0_vlan entered promiscuous mode [ 321.919870][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 321.928022][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 321.935350][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 321.945497][ T8722] device veth1_vlan entered promiscuous mode [ 321.958232][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 321.965833][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 321.973604][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 321.983092][ T8722] device veth0_macvtap entered promiscuous mode [ 321.991142][ T8722] device veth1_macvtap entered promiscuous mode [ 322.002094][ T8722] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 322.009355][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 322.017831][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 322.026816][ T8722] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 322.034210][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 322.065954][ T8496] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 322.075206][ T8496] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 322.085065][ T8667] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 322.090265][ T8642] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 322.093725][ T8667] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 322.108301][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 322.787339][ T8496] device hsr_slave_0 left promiscuous mode [ 322.797431][ T8496] device hsr_slave_1 left promiscuous mode [ 322.810925][ T8496] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 322.818926][ T8496] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 322.826453][ T8496] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 322.834374][ T8496] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 322.842111][ T8496] device bridge_slave_1 left promiscuous mode [ 322.849213][ T8496] bridge0: port 2(bridge_slave_1) entered disabled state [ 322.856705][ T8496] device bridge_slave_0 left promiscuous mode [ 322.864465][ T8496] bridge0: port 1(bridge_slave_0) entered disabled state [ 322.876541][ T8496] device veth1_macvtap left promiscuous mode [ 322.882939][ T8496] device veth0_macvtap left promiscuous mode [ 322.889364][ T8496] device veth1_vlan left promiscuous mode [ 322.895080][ T8496] device veth0_vlan left promiscuous mode [ 323.179835][ T8496] team0 (unregistering): Port device team_slave_1 removed [ 323.188656][ T8496] team0 (unregistering): Port device team_slave_0 removed [ 323.196893][ T8496] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 323.209786][ T8496] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 323.227398][ T8496] bond0 (unregistering): Released all slaves [ 327.606445][ T8964] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 329.723062][ T8964] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118ccf2c0 (size 64): comm "syz-executor.0", pid 8421, jiffies 4294968612 (age 16.390s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e0 6d a5 83 ff ff ff ff .........m...... 80 50 7d 16 81 88 ff ff 00 fd f8 15 81 88 ff ff .P}............. 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 0xffff888118d80a80 (size 64): comm "syz-executor.0", pid 8421, jiffies 4294968612 (age 16.390s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e0 6d a5 83 ff ff ff ff .........m...... 80 50 7d 16 81 88 ff ff 50 fd f8 15 81 88 ff ff .P}.....P....... 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 0xffff88811248df40 (size 64): comm "kworker/u4:1", pid 8667, jiffies 4294969280 (age 9.710s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e0 6d a5 83 ff ff ff ff .........m...... 80 50 7d 16 81 88 ff ff 28 fd f8 15 81 88 ff ff .P}.....(....... 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