[ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.124' (ECDSA) to the list of known hosts. 2021/05/04 01:14:33 parsed 1 programs 2021/05/04 01:14:40 executed programs: 0 syzkaller login: [ 306.879724][ T8405] chnl_net:caif_netlink_parms(): no params data found [ 306.899380][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 306.906470][ T8405] bridge0: port 1(bridge_slave_0) entered disabled state [ 306.914163][ T8405] device bridge_slave_0 entered promiscuous mode [ 306.921245][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 306.928288][ T8405] bridge0: port 2(bridge_slave_1) entered disabled state [ 306.935842][ T8405] device bridge_slave_1 entered promiscuous mode [ 306.946667][ T8405] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 306.956486][ T8405] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 306.969391][ T8405] team0: Port device team_slave_0 added [ 306.975648][ T8405] team0: Port device team_slave_1 added [ 306.984653][ T8405] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 306.991621][ 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. [ 307.017607][ T8405] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 307.028850][ T8405] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 307.035814][ 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. [ 307.061689][ T8405] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 307.076921][ T8405] device hsr_slave_0 entered promiscuous mode [ 307.083210][ T8405] device hsr_slave_1 entered promiscuous mode [ 307.110880][ T8405] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 307.118407][ T8405] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 307.126185][ T8405] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 307.133751][ T8405] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 307.145562][ T8405] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.152619][ T8405] bridge0: port 2(bridge_slave_1) entered forwarding state [ 307.159862][ T8405] bridge0: port 1(bridge_slave_0) entered blocking state [ 307.166862][ T8405] bridge0: port 1(bridge_slave_0) entered forwarding state [ 307.185875][ T8405] 8021q: adding VLAN 0 to HW filter on device bond0 [ 307.194734][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 307.202575][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 307.210211][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 307.217585][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 307.226542][ T8405] 8021q: adding VLAN 0 to HW filter on device team0 [ 307.234829][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 307.243380][ T3785] bridge0: port 1(bridge_slave_0) entered blocking state [ 307.250425][ T3785] bridge0: port 1(bridge_slave_0) entered forwarding state [ 307.259120][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 307.267326][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 307.274421][ T8545] bridge0: port 2(bridge_slave_1) entered forwarding state [ 307.285829][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 307.294062][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 307.303066][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 307.314183][ T8405] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 307.324647][ T8405] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 307.335668][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 307.343888][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 307.351964][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 307.364313][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 307.372243][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 307.382544][ T8405] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 307.393830][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 307.406497][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 307.414791][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 307.422547][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 307.431140][ T8405] device veth0_vlan entered promiscuous mode [ 307.439538][ T8405] device veth1_vlan entered promiscuous mode [ 307.451153][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 307.458810][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 307.466868][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 307.476055][ T8405] device veth0_macvtap entered promiscuous mode [ 307.483815][ T8405] device veth1_macvtap entered promiscuous mode [ 307.494198][ T8405] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 307.501596][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 307.510470][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 307.519833][ T8405] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 307.527145][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 307.536859][ T8405] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 307.545789][ T8405] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 307.554583][ T8405] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 307.563412][ T8405] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 307.586927][ T8137] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 307.597873][ T8137] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 307.609555][ T667] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 307.609960][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 307.617373][ T667] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 307.632593][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 307.717866][ T24] ------------[ cut here ]------------ [ 307.723629][ T24] hook not found, pf 3 num 0 [ 307.723892][ T24] WARNING: CPU: 1 PID: 24 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 307.743605][ T24] Modules linked in: [ 307.747824][ T24] CPU: 1 PID: 24 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 307.756211][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 307.766565][ T24] Workqueue: netns cleanup_net [ 307.772115][ T24] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 307.778381][ T24] Code: cf b2 fd 84 db 0f 85 9b 00 00 00 e8 2b c8 b2 fd 41 8b 54 24 1c 89 ee 48 c7 c7 69 d1 50 85 c6 05 3a 79 c6 02 01 e8 9c 4d 93 00 <0f> 0b eb 78 e8 08 c8 b2 fd 48 8b 04 24 48 c1 e3 04 89 ee 4c 01 f3 [ 307.798289][ T24] RSP: 0018:ffffc90000d37d80 EFLAGS: 00010282 [ 307.804689][ T24] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 307.813084][ T24] RDX: ffff888101728000 RSI: ffffffff812af053 RDI: 0000000000000003 [ 307.821326][ T24] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 307.829728][ T24] R10: ffffffff812ae4b0 R11: 0000000000000000 R12: ffff8881431ecb80 [ 307.837703][ T24] R13: ffff888111e74a40 R14: ffff888118d87540 R15: 0000000000000001 [ 307.845923][ T24] FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 307.855232][ T24] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 307.862112][ T24] CR2: 0000561b2d976160 CR3: 0000000113006000 CR4: 00000000001506e0 [ 307.870554][ T24] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 307.878533][ T24] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 307.887447][ T24] Call Trace: [ 307.891107][ T24] nf_unregister_net_hooks+0xb8/0xe0 [ 307.896409][ T24] arpt_unregister_table_pre_exit+0x46/0x60 [ 307.902668][ T24] ? arptable_filter_net_exit+0x20/0x20 [ 307.908223][ T24] cleanup_net+0x277/0x4d0 [ 307.913222][ T24] process_one_work+0x2c9/0x600 [ 307.918088][ T24] worker_thread+0x59/0x5d0 [ 307.922866][ T24] ? rescuer_thread+0x560/0x560 [ 307.927863][ T24] kthread+0x178/0x1b0 [ 307.932174][ T24] ? __kthread_bind_mask+0x90/0x90 [ 307.937290][ T24] ret_from_fork+0x1f/0x30 [ 307.942008][ T24] ---[ end trace bf6437880c36c884 ]--- [ 307.954671][ T24] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 310.752828][ T24] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2021/05/04 01:14:48 executed programs: 1 [ 313.272575][ T24] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 313.312803][ T24] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 314.090653][ T24] device hsr_slave_0 left promiscuous mode [ 314.096684][ T24] device hsr_slave_1 left promiscuous mode [ 314.102871][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 314.116380][ T24] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 314.124058][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 314.131634][ T24] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 314.139008][ T24] device bridge_slave_1 left promiscuous mode [ 314.145154][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 314.152573][ T24] device bridge_slave_0 left promiscuous mode [ 314.158974][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 314.166712][ T24] device veth1_macvtap left promiscuous mode [ 314.172942][ T24] device veth0_macvtap left promiscuous mode [ 314.179010][ T24] device veth1_vlan left promiscuous mode [ 314.184704][ T24] device veth0_vlan left promiscuous mode [ 314.371353][ T24] team0 (unregistering): Port device team_slave_1 removed [ 314.379490][ T24] team0 (unregistering): Port device team_slave_0 removed [ 314.387197][ T24] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 314.396690][ T24] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 314.410788][ T24] bond0 (unregistering): Released all slaves [ 315.327178][ T8703] chnl_net:caif_netlink_parms(): no params data found [ 315.347927][ T8703] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.355271][ T8703] bridge0: port 1(bridge_slave_0) entered disabled state [ 315.362875][ T8703] device bridge_slave_0 entered promiscuous mode [ 315.370543][ T8703] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.377729][ T8703] bridge0: port 2(bridge_slave_1) entered disabled state [ 315.385353][ T8703] device bridge_slave_1 entered promiscuous mode [ 315.396094][ T8703] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 315.406487][ T8703] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 315.419563][ T8703] team0: Port device team_slave_0 added [ 315.425853][ T8703] team0: Port device team_slave_1 added [ 315.435273][ T8703] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 315.442412][ 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. [ 315.468396][ T8703] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 315.479683][ T8703] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 315.486614][ 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. [ 315.512729][ T8703] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 315.528496][ T8703] device hsr_slave_0 entered promiscuous mode [ 315.534782][ T8703] device hsr_slave_1 entered promiscuous mode [ 315.561502][ T8703] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.568559][ T8703] bridge0: port 2(bridge_slave_1) entered forwarding state [ 315.575771][ T8703] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.582805][ T8703] bridge0: port 1(bridge_slave_0) entered forwarding state [ 315.604041][ T8703] 8021q: adding VLAN 0 to HW filter on device bond0 [ 315.613667][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 315.621714][ T3785] bridge0: port 1(bridge_slave_0) entered disabled state [ 315.629288][ T3785] bridge0: port 2(bridge_slave_1) entered disabled state [ 315.638148][ T8703] 8021q: adding VLAN 0 to HW filter on device team0 [ 315.646607][ T4834] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 315.654939][ T4834] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.661973][ T4834] bridge0: port 1(bridge_slave_0) entered forwarding state [ 315.670906][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 315.679339][ T8545] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.686350][ T8545] bridge0: port 2(bridge_slave_1) entered forwarding state [ 315.688924][ T3240] ieee802154 phy0 wpan0: encryption failed: -22 [ 315.699795][ T3240] ieee802154 phy1 wpan1: encryption failed: -22 [ 315.704133][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 315.717421][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 315.730301][ T8703] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 315.740686][ T8703] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 315.752014][ T4834] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 315.760212][ T4834] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 315.768107][ T4834] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 315.776248][ T4834] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 315.788585][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 315.795926][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 315.805225][ T8703] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 315.867240][ T8703] device veth0_vlan entered promiscuous mode [ 315.873740][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 315.882309][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 315.890384][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 315.897770][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 315.908237][ T8703] device veth1_vlan entered promiscuous mode [ 315.921398][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 315.929164][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 315.936806][ T8545] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 315.946518][ T8703] device veth0_macvtap entered promiscuous mode [ 315.954637][ T8703] device veth1_macvtap entered promiscuous mode [ 315.965795][ T8703] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 315.973098][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 315.981606][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 315.991183][ T8703] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 315.998535][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 316.031044][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 316.045023][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 316.053921][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 316.063893][ T667] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 316.072242][ T667] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 316.079828][ T3785] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 316.723430][ T8137] device hsr_slave_0 left promiscuous mode [ 316.732851][ T8137] device hsr_slave_1 left promiscuous mode [ 316.744292][ T8137] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 316.752362][ T8137] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 316.761035][ T8137] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 316.768953][ T8137] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 316.776638][ T8137] device bridge_slave_1 left promiscuous mode [ 316.784072][ T8137] bridge0: port 2(bridge_slave_1) entered disabled state [ 316.793550][ T8137] device bridge_slave_0 left promiscuous mode [ 316.801007][ T8137] bridge0: port 1(bridge_slave_0) entered disabled state [ 316.812338][ T8137] device veth1_macvtap left promiscuous mode [ 316.818336][ T8137] device veth0_macvtap left promiscuous mode [ 316.825072][ T8137] device veth1_vlan left promiscuous mode [ 316.831397][ T8137] device veth0_vlan left promiscuous mode [ 317.102535][ T8137] team0 (unregistering): Port device team_slave_1 removed [ 317.112063][ T8137] team0 (unregistering): Port device team_slave_0 removed [ 317.125051][ T8137] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 317.137021][ T8137] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 317.162895][ T8137] bond0 (unregistering): Released all slaves [ 321.362139][ T8944] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 323.429144][ T8944] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118d87540 (size 64): comm "syz-executor.0", pid 8405, jiffies 4294968028 (age 15.850s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 10 8a a5 83 ff ff ff ff ................ 80 6a db 18 81 88 ff ff 00 81 b1 16 81 88 ff ff .j.............. 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 0xffff888118d87100 (size 64): comm "syz-executor.0", pid 8405, jiffies 4294968028 (age 15.850s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 10 8a a5 83 ff ff ff ff ................ 80 6a db 18 81 88 ff ff 50 81 b1 16 81 88 ff ff .j......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 0xffff8881066900c0 (size 64): comm "kworker/u4:1", pid 24, jiffies 4294968743 (age 8.700s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 10 8a a5 83 ff ff ff ff ................ 80 6a db 18 81 88 ff ff 28 81 b1 16 81 88 ff ff .j......(....... 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