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:
    [<ffffffff81470381>] kvmalloc_node+0x61/0xf0
    [<ffffffff838232eb>] nf_hook_entries_grow+0x31b/0x370
    [<ffffffff8382364d>] __nf_register_net_hook+0x8d/0x290
    [<ffffffff8382390f>] nf_register_net_hook+0xbf/0x100
    [<ffffffff838239a9>] nf_register_net_hooks+0x59/0xc0
    [<ffffffff83a5d902>] arpt_register_table+0x152/0x1e0
    [<ffffffff83a5ff2d>] arptable_filter_table_init+0x3d/0x60
    [<ffffffff838bfa59>] xt_find_table_lock+0x189/0x290
    [<ffffffff838bfb87>] xt_request_find_table_lock+0x27/0xb0
    [<ffffffff83a5ea62>] get_info+0xd2/0x430
    [<ffffffff83a5efe4>] do_arpt_get_ctl+0x224/0x520
    [<ffffffff83825867>] nf_getsockopt+0x57/0x80
    [<ffffffff8398e04a>] ip_getsockopt+0xfa/0x140
    [<ffffffff839a251b>] tcp_getsockopt+0x4b/0x80
    [<ffffffff836750a3>] __sys_getsockopt+0x133/0x2f0
    [<ffffffff83675282>] __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:
    [<ffffffff81470381>] kvmalloc_node+0x61/0xf0
    [<ffffffff838232eb>] nf_hook_entries_grow+0x31b/0x370
    [<ffffffff8382364d>] __nf_register_net_hook+0x8d/0x290
    [<ffffffff8382390f>] nf_register_net_hook+0xbf/0x100
    [<ffffffff838239a9>] nf_register_net_hooks+0x59/0xc0
    [<ffffffff83a5d902>] arpt_register_table+0x152/0x1e0
    [<ffffffff83a5ff2d>] arptable_filter_table_init+0x3d/0x60
    [<ffffffff838bfa59>] xt_find_table_lock+0x189/0x290
    [<ffffffff838bfb87>] xt_request_find_table_lock+0x27/0xb0
    [<ffffffff83a5ea62>] get_info+0xd2/0x430
    [<ffffffff83a5efe4>] do_arpt_get_ctl+0x224/0x520
    [<ffffffff83825867>] nf_getsockopt+0x57/0x80
    [<ffffffff8398e04a>] ip_getsockopt+0xfa/0x140
    [<ffffffff839a251b>] tcp_getsockopt+0x4b/0x80
    [<ffffffff836750a3>] __sys_getsockopt+0x133/0x2f0
    [<ffffffff83675282>] __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:
    [<ffffffff81470381>] kvmalloc_node+0x61/0xf0
    [<ffffffff8382265d>] __nf_hook_entries_try_shrink+0xfd/0x210
    [<ffffffff83822e1b>] __nf_unregister_net_hook+0x17b/0x280
    [<ffffffff83822fa2>] nf_unregister_net_hook+0x82/0xb0
    [<ffffffff83697111>] ops_exit_list+0x41/0x80
    [<ffffffff83697cd1>] cleanup_net+0x2c1/0x4d0
    [<ffffffff8125e199>] process_one_work+0x2c9/0x600
    [<ffffffff8125ea89>] worker_thread+0x59/0x5d0
    [<ffffffff812662e8>] kthread+0x178/0x1b0
    [<ffffffff8100228f>] ret_from_fork+0x1f/0x30