Warning: Permanently added '10.128.0.226' (ECDSA) to the list of known hosts. 2021/05/02 21:42:27 parsed 1 programs 2021/05/02 21:42:34 executed programs: 0 syzkaller login: [ 658.763483][ T8424] chnl_net:caif_netlink_parms(): no params data found [ 658.792545][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 658.799957][ T8424] bridge0: port 1(bridge_slave_0) entered disabled state [ 658.808202][ T8424] device bridge_slave_0 entered promiscuous mode [ 658.817006][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 658.825010][ T8424] bridge0: port 2(bridge_slave_1) entered disabled state [ 658.832932][ T8424] device bridge_slave_1 entered promiscuous mode [ 658.844432][ T8424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 658.854545][ T8424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 658.867951][ T8424] team0: Port device team_slave_0 added [ 658.874883][ T8424] team0: Port device team_slave_1 added [ 658.884493][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 658.891782][ T8424] 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. [ 658.921201][ T8424] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 658.933795][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 658.940902][ T8424] 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. [ 658.968017][ T8424] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 658.984088][ T8424] device hsr_slave_0 entered promiscuous mode [ 658.990834][ T8424] device hsr_slave_1 entered promiscuous mode [ 659.022789][ T8424] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 659.032365][ T8424] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 659.040607][ T8424] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 659.049130][ T8424] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 659.062789][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 659.070761][ T8424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 659.078244][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 659.085535][ T8424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 659.106742][ T8424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 659.116595][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 659.125789][ T4817] bridge0: port 1(bridge_slave_0) entered disabled state [ 659.134133][ T4817] bridge0: port 2(bridge_slave_1) entered disabled state [ 659.143366][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 659.153039][ T8424] 8021q: adding VLAN 0 to HW filter on device team0 [ 659.162401][ T8647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 659.170855][ T8647] bridge0: port 1(bridge_slave_0) entered blocking state [ 659.178300][ T8647] bridge0: port 1(bridge_slave_0) entered forwarding state [ 659.187443][ T8647] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 659.196732][ T8647] bridge0: port 2(bridge_slave_1) entered blocking state [ 659.203942][ T8647] bridge0: port 2(bridge_slave_1) entered forwarding state [ 659.218722][ T8424] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 659.230382][ T8424] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 659.243153][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 659.251852][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 659.260162][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 659.268381][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 659.277379][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 659.284870][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 659.297065][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 659.305493][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 659.315768][ T8424] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 659.328523][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 659.340897][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 659.349758][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 659.357694][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 659.367472][ T8424] device veth0_vlan entered promiscuous mode [ 659.376604][ T8424] device veth1_vlan entered promiscuous mode [ 659.388148][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 659.396858][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 659.405252][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 659.415541][ T8424] device veth0_macvtap entered promiscuous mode [ 659.424223][ T8424] device veth1_macvtap entered promiscuous mode [ 659.435052][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 659.443148][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 659.452259][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 659.462263][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 659.471362][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 659.480910][ T8424] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 659.490799][ T8424] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 659.499655][ T8424] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 659.508889][ T8424] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 659.542476][ T27] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 659.550613][ T27] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 659.556888][ T113] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 659.567122][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 659.567645][ T113] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 659.583371][ T8647] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 659.675389][ T8668] ------------[ cut here ]------------ [ 659.681227][ T8668] hook not found, pf 3 num 0 [ 659.681478][ T8668] WARNING: CPU: 0 PID: 8668 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 659.697500][ T8668] Modules linked in: [ 659.702391][ T8668] CPU: 0 PID: 8668 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 659.710665][ T8668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 659.722505][ T8668] Workqueue: netns cleanup_net [ 659.727474][ T8668] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 659.734861][ T8668] Code: cd b2 fd 84 db 0f 85 9b 00 00 00 e8 0b c6 b2 fd 41 8b 54 24 1c 89 ee 48 c7 c7 79 d1 50 85 c6 05 1a 77 c6 02 01 e8 7c 4b 93 00 <0f> 0b eb 78 e8 e8 c5 b2 fd 48 8b 04 24 48 c1 e3 04 89 ee 4c 01 f3 [ 659.755828][ T8668] RSP: 0018:ffffc900013afd80 EFLAGS: 00010282 [ 659.762976][ T8668] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 659.772194][ T8668] RDX: ffff888111ec2000 RSI: ffffffff812af053 RDI: 0000000000000003 [ 659.780574][ T8668] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 659.789708][ T8668] R10: ffffffff812ae4b0 R11: 0000000000000000 R12: ffff88810a7b8680 [ 659.798740][ T8668] R13: ffff888113704a40 R14: ffff8881163dba00 R15: 0000000000000001 [ 659.807831][ T8668] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 [ 659.817921][ T8668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 659.825421][ T8668] CR2: 00007f1d04584000 CR3: 000000011329a000 CR4: 00000000001506f0 [ 659.834168][ T8668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 659.843043][ T8668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 659.851979][ T8668] Call Trace: [ 659.855372][ T8668] nf_unregister_net_hooks+0xb8/0xe0 [ 659.860801][ T8668] arpt_unregister_table_pre_exit+0x46/0x60 [ 659.867725][ T8668] ? arptable_filter_net_exit+0x20/0x20 [ 659.874172][ T8668] cleanup_net+0x277/0x4d0 [ 659.879032][ T8668] process_one_work+0x2c9/0x600 [ 659.884519][ T8668] worker_thread+0x59/0x5d0 [ 659.889320][ T8668] ? rescuer_thread+0x560/0x560 [ 659.895659][ T8668] kthread+0x178/0x1b0 [ 659.900093][ T8668] ? __kthread_bind_mask+0x90/0x90 [ 659.906613][ T8668] ret_from_fork+0x1f/0x30 [ 659.912931][ T8668] ---[ end trace ade5d668dce3eb55 ]--- [ 659.924931][ T8668] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 662.485254][ T8668] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 664.745986][ T8668] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 664.806551][ T8668] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2021/05/02 21:42:42 executed programs: 1 [ 665.672719][ T8668] device hsr_slave_0 left promiscuous mode [ 665.678771][ T8668] device hsr_slave_1 left promiscuous mode [ 665.685685][ T8668] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 665.693448][ T8668] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 665.701392][ T8668] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 665.709406][ T8668] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 665.717282][ T8668] device bridge_slave_1 left promiscuous mode [ 665.724126][ T8668] bridge0: port 2(bridge_slave_1) entered disabled state [ 665.732932][ T8668] device bridge_slave_0 left promiscuous mode [ 665.739739][ T8668] bridge0: port 1(bridge_slave_0) entered disabled state [ 665.747738][ T8668] device veth1_macvtap left promiscuous mode [ 665.753881][ T8668] device veth0_macvtap left promiscuous mode [ 665.760155][ T8668] device veth1_vlan left promiscuous mode [ 665.766177][ T8668] device veth0_vlan left promiscuous mode [ 665.932070][ T8668] team0 (unregistering): Port device team_slave_1 removed [ 665.941368][ T8668] team0 (unregistering): Port device team_slave_0 removed [ 665.949836][ T8668] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 665.959676][ T8668] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 665.974827][ T8668] bond0 (unregistering): Released all slaves [ 667.544869][ T8727] chnl_net:caif_netlink_parms(): no params data found [ 667.564860][ T8727] bridge0: port 1(bridge_slave_0) entered blocking state [ 667.572699][ T8727] bridge0: port 1(bridge_slave_0) entered disabled state [ 667.580047][ T8727] device bridge_slave_0 entered promiscuous mode [ 667.587634][ T8727] bridge0: port 2(bridge_slave_1) entered blocking state [ 667.594916][ T8727] bridge0: port 2(bridge_slave_1) entered disabled state [ 667.602894][ T8727] device bridge_slave_1 entered promiscuous mode [ 667.614426][ T8727] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 667.625106][ T8727] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 667.638586][ T8727] team0: Port device team_slave_0 added [ 667.645294][ T8727] team0: Port device team_slave_1 added [ 667.655070][ T8727] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 667.662561][ T8727] 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. [ 667.690517][ T8727] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 667.702061][ T8727] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 667.709820][ T8727] 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. [ 667.736600][ T8727] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 667.754401][ T8727] device hsr_slave_0 entered promiscuous mode [ 667.760806][ T8727] device hsr_slave_1 entered promiscuous mode [ 667.802240][ T8727] 8021q: adding VLAN 0 to HW filter on device bond0 [ 667.813299][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 667.821338][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 667.830595][ T8727] 8021q: adding VLAN 0 to HW filter on device team0 [ 667.839254][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 667.848954][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 667.857462][ T8645] bridge0: port 1(bridge_slave_0) entered blocking state [ 667.865150][ T8645] bridge0: port 1(bridge_slave_0) entered forwarding state [ 667.873423][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 667.882994][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 667.891741][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 667.900429][ T8644] bridge0: port 2(bridge_slave_1) entered blocking state [ 667.907737][ T8644] bridge0: port 2(bridge_slave_1) entered forwarding state [ 667.925409][ T8727] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 667.936214][ T8727] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 667.949214][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 667.959004][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 667.968880][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 667.978160][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 667.986788][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 667.995859][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 668.004475][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 668.013466][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 668.021221][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 668.035923][ T8727] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 668.044226][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 668.052191][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 668.092514][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 668.106061][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 668.115993][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 668.123890][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 668.133244][ T8727] device veth0_vlan entered promiscuous mode [ 668.143010][ T8727] device veth1_vlan entered promiscuous mode [ 668.157619][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 668.165618][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 668.174217][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 668.183903][ T8727] device veth0_macvtap entered promiscuous mode [ 668.192898][ T8727] device veth1_macvtap entered promiscuous mode [ 668.204681][ T8727] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 668.214120][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 668.223591][ T8645] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 668.234185][ T8727] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 668.242648][ T8648] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 668.269472][ T8659] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 668.277989][ T113] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 668.286893][ T113] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 668.296511][ T8659] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 668.296956][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 668.320663][ T8644] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 668.996775][ T113] device hsr_slave_0 left promiscuous mode [ 669.005864][ T113] device hsr_slave_1 left promiscuous mode [ 669.017062][ T113] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 669.024681][ T113] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 669.032850][ T113] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 669.041779][ T113] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 669.050096][ T113] device bridge_slave_1 left promiscuous mode [ 669.056751][ T113] bridge0: port 2(bridge_slave_1) entered disabled state [ 669.065599][ T113] device bridge_slave_0 left promiscuous mode [ 669.072461][ T113] bridge0: port 1(bridge_slave_0) entered disabled state [ 669.082057][ T113] device veth1_macvtap left promiscuous mode [ 669.088151][ T113] device veth0_macvtap left promiscuous mode [ 669.096124][ T113] device veth1_vlan left promiscuous mode [ 669.102901][ T113] device veth0_vlan left promiscuous mode [ 669.375701][ T113] team0 (unregistering): Port device team_slave_1 removed [ 669.388921][ T113] team0 (unregistering): Port device team_slave_0 removed [ 669.398760][ T113] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 669.412361][ T113] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 669.432419][ T113] bond0 (unregistering): Released all slaves [ 673.644181][ T8968] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 675.734794][ T8968] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff8881163dba00 (size 64): comm "syz-executor.0", pid 8424, jiffies 4295003226 (age 16.200s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 30 8c a5 83 ff ff ff ff ........0....... 80 a3 32 16 81 88 ff ff 00 f6 e3 14 81 88 ff ff ..2............. 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 0xffff8881163780c0 (size 64): comm "syz-executor.0", pid 8424, jiffies 4295003226 (age 16.200s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 30 8c a5 83 ff ff ff ff ........0....... 80 a3 32 16 81 88 ff ff 50 f6 e3 14 81 88 ff ff ..2.....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 0xffff888113d74840 (size 64): comm "kworker/u4:1", pid 8668, jiffies 4295003902 (age 9.440s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 30 8c a5 83 ff ff ff ff ........0....... 80 a3 32 16 81 88 ff ff 28 f6 e3 14 81 88 ff ff ..2.....(....... 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