[ 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 '10.128.1.3' (ECDSA) to the list of known hosts. 2021/05/04 10:06:09 parsed 1 programs 2021/05/04 10:06:17 executed programs: 0 syzkaller login: [ 315.266935][ T8407] chnl_net:caif_netlink_parms(): no params data found [ 315.297194][ T8407] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.305625][ T8407] bridge0: port 1(bridge_slave_0) entered disabled state [ 315.315125][ T8407] device bridge_slave_0 entered promiscuous mode [ 315.323005][ T8407] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.331400][ T8407] bridge0: port 2(bridge_slave_1) entered disabled state [ 315.340230][ T8407] device bridge_slave_1 entered promiscuous mode [ 315.353432][ T8407] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 315.364308][ T8407] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 315.377836][ T8407] team0: Port device team_slave_0 added [ 315.384737][ T8407] team0: Port device team_slave_1 added [ 315.395183][ T8407] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 315.402451][ T8407] 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. [ 315.429800][ T8407] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 315.442176][ T8407] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 315.450681][ T8407] 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. [ 315.478831][ T8407] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 315.495678][ T8407] device hsr_slave_0 entered promiscuous mode [ 315.502271][ T8407] device hsr_slave_1 entered promiscuous mode [ 315.535522][ T8407] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 315.543743][ T8407] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 315.552757][ T8407] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 315.560947][ T8407] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 315.574272][ T8407] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.581815][ T8407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 315.589246][ T8407] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.596657][ T8407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 315.616957][ T8407] 8021q: adding VLAN 0 to HW filter on device bond0 [ 315.626790][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 315.635513][ T35] bridge0: port 1(bridge_slave_0) entered disabled state [ 315.643366][ T35] bridge0: port 2(bridge_slave_1) entered disabled state [ 315.651268][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 315.660675][ T8407] 8021q: adding VLAN 0 to HW filter on device team0 [ 315.669593][ T3238] ieee802154 phy0 wpan0: encryption failed: -22 [ 315.676418][ T3238] ieee802154 phy1 wpan1: encryption failed: -22 [ 315.676679][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 315.691216][ T8549] bridge0: port 1(bridge_slave_0) entered blocking state [ 315.698574][ T8549] bridge0: port 1(bridge_slave_0) entered forwarding state [ 315.714932][ T8407] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 315.725844][ T8407] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 315.738060][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 315.747169][ T8629] bridge0: port 2(bridge_slave_1) entered blocking state [ 315.754367][ T8629] bridge0: port 2(bridge_slave_1) entered forwarding state [ 315.762227][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 315.770650][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 315.778909][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 315.787143][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 315.795938][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 315.804042][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 315.815917][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 315.824380][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 315.835183][ T8407] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 315.847393][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 315.861100][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 315.870101][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 315.878228][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 315.887927][ T8407] device veth0_vlan entered promiscuous mode [ 315.896899][ T8407] device veth1_vlan entered promiscuous mode [ 315.909499][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 315.917982][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 315.926864][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 315.936655][ T8407] device veth0_macvtap entered promiscuous mode [ 315.945828][ T8407] device veth1_macvtap entered promiscuous mode [ 315.957201][ T8407] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 315.965462][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 315.974968][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 315.985721][ T8407] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 315.994195][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 316.004562][ T8407] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.014846][ T8407] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.024182][ T8407] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.033681][ T8407] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 316.073968][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 316.083934][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 316.095853][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 316.104268][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 316.104789][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 316.119914][ T8629] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 316.216803][ T24] ------------[ cut here ]------------ [ 316.224473][ T24] hook not found, pf 3 num 0 [ 316.224731][ T24] WARNING: CPU: 0 PID: 24 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 316.240759][ T24] Modules linked in: [ 316.245009][ T24] CPU: 0 PID: 24 Comm: kworker/u4:1 Not tainted 5.12.0-syzkaller #0 [ 316.253389][ T24] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 316.264379][ T24] Workqueue: netns cleanup_net [ 316.269939][ T24] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 316.276235][ T24] Code: b2 b2 fd 84 db 0f 85 9b 00 00 00 e8 9b aa b2 fd 41 8b 54 24 1c 89 ee 48 c7 c7 b1 d8 50 85 c6 05 4e 5d c6 02 01 e8 8c 4f 93 00 <0f> 0b eb 78 e8 78 aa b2 fd 48 8b 04 24 48 c1 e3 04 89 ee 4c 01 f3 [ 316.297716][ T24] RSP: 0018:ffffc90000d37d80 EFLAGS: 00010282 [ 316.304469][ T24] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 316.313897][ T24] RDX: ffff888101730000 RSI: ffffffff812af093 RDI: 0000000000000003 [ 316.323041][ T24] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 316.331455][ T24] R10: ffffffff812ae4f0 R11: 0000000000000000 R12: ffff88810a4e1c80 [ 316.340508][ T24] R13: ffff8881017eca40 R14: ffff888118f07ac0 R15: 0000000000000001 [ 316.348497][ T24] FS: 0000000000000000(0000) GS:ffff88813bc00000(0000) knlGS:0000000000000000 [ 316.358462][ T24] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 316.366232][ T24] CR2: 00007fd2345ed010 CR3: 000000010d0cb000 CR4: 00000000001506f0 [ 316.375256][ T24] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 316.384629][ T24] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 316.393491][ T24] Call Trace: [ 316.396878][ T24] nf_unregister_net_hooks+0xb8/0xe0 [ 316.402970][ T24] arpt_unregister_table_pre_exit+0x46/0x60 [ 316.409600][ T24] ? arptable_filter_net_exit+0x20/0x20 [ 316.415702][ T24] cleanup_net+0x277/0x4d0 [ 316.421033][ T24] process_one_work+0x2c9/0x600 [ 316.426011][ T24] worker_thread+0x59/0x5d0 [ 316.431409][ T24] ? rescuer_thread+0x560/0x560 [ 316.436396][ T24] kthread+0x178/0x1b0 [ 316.441165][ T24] ? __kthread_bind_mask+0x90/0x90 [ 316.446415][ T24] ret_from_fork+0x1f/0x30 [ 316.452597][ T24] ---[ end trace a7dca4ffb5116bdc ]--- [ 316.465754][ T24] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 319.012952][ T24] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 321.266051][ T24] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 321.335552][ T24] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 322.074954][ T24] device hsr_slave_0 left promiscuous mode [ 322.088358][ T24] device hsr_slave_1 left promiscuous mode [ 322.097372][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 322.105875][ T24] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 322.113913][ T24] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 322.121807][ T24] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 322.130191][ T24] device bridge_slave_1 left promiscuous mode [ 322.137006][ T24] bridge0: port 2(bridge_slave_1) entered disabled state [ 322.149778][ T24] device bridge_slave_0 left promiscuous mode [ 322.156382][ T24] bridge0: port 1(bridge_slave_0) entered disabled state [ 322.243820][ T24] device veth1_macvtap left promiscuous mode [ 322.250479][ T24] device veth0_macvtap left promiscuous mode [ 322.256780][ T24] device veth1_vlan left promiscuous mode [ 322.263265][ T24] device veth0_vlan left promiscuous mode 2021/05/04 10:06:26 executed programs: 1 [ 322.593527][ T24] team0 (unregistering): Port device team_slave_1 removed [ 322.603131][ T24] team0 (unregistering): Port device team_slave_0 removed [ 322.612963][ T24] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 322.624240][ T24] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 322.641859][ T24] bond0 (unregistering): Released all slaves [ 324.531350][ T8709] chnl_net:caif_netlink_parms(): no params data found [ 324.553383][ T8709] bridge0: port 1(bridge_slave_0) entered blocking state [ 324.561400][ T8709] bridge0: port 1(bridge_slave_0) entered disabled state [ 324.569541][ T8709] device bridge_slave_0 entered promiscuous mode [ 324.577532][ T8709] bridge0: port 2(bridge_slave_1) entered blocking state [ 324.584773][ T8709] bridge0: port 2(bridge_slave_1) entered disabled state [ 324.592193][ T8709] device bridge_slave_1 entered promiscuous mode [ 324.603903][ T8709] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 324.614943][ T8709] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 324.629277][ T8709] team0: Port device team_slave_0 added [ 324.636891][ T8709] team0: Port device team_slave_1 added [ 324.647359][ T8709] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 324.655052][ T8709] 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. [ 324.682383][ T8709] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 324.694668][ T8709] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 324.702675][ T8709] 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. [ 324.731116][ T8709] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 324.748804][ T8709] device hsr_slave_0 entered promiscuous mode [ 324.755683][ T8709] device hsr_slave_1 entered promiscuous mode [ 324.787392][ T8709] bridge0: port 2(bridge_slave_1) entered blocking state [ 324.794983][ T8709] bridge0: port 2(bridge_slave_1) entered forwarding state [ 324.802475][ T8709] bridge0: port 1(bridge_slave_0) entered blocking state [ 324.809795][ T8709] bridge0: port 1(bridge_slave_0) entered forwarding state [ 324.832244][ T8709] 8021q: adding VLAN 0 to HW filter on device bond0 [ 324.843656][ T8481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 324.852870][ T8481] bridge0: port 1(bridge_slave_0) entered disabled state [ 324.861412][ T8481] bridge0: port 2(bridge_slave_1) entered disabled state [ 324.870043][ T8481] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 324.879872][ T8709] 8021q: adding VLAN 0 to HW filter on device team0 [ 324.889899][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 324.899564][ T3783] bridge0: port 1(bridge_slave_0) entered blocking state [ 324.907232][ T3783] bridge0: port 1(bridge_slave_0) entered forwarding state [ 324.926967][ T8709] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 324.937638][ T8709] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 324.950588][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 324.959841][ T7] bridge0: port 2(bridge_slave_1) entered blocking state [ 324.967326][ T7] bridge0: port 2(bridge_slave_1) entered forwarding state [ 324.975673][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 324.984922][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 324.994172][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 325.004005][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 325.021123][ T8709] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 325.029471][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 325.037385][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 325.046540][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 325.055593][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 325.094766][ T8709] device veth0_vlan entered promiscuous mode [ 325.103096][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 325.112809][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 325.121997][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 325.130522][ T3783] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 325.142879][ T8709] device veth1_vlan entered promiscuous mode [ 325.163950][ T8709] device veth0_macvtap entered promiscuous mode [ 325.171627][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 325.181043][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 325.190206][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 325.199082][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 325.209070][ T8709] device veth1_macvtap entered promiscuous mode [ 325.222231][ T8709] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 325.229820][ T8630] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 325.241108][ T8709] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 325.249824][ T8549] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 325.283582][ T24] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 325.306400][ T24] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 325.320040][ T8411] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 325.320136][ T8630] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 325.328207][ T8411] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 325.345196][ T8630] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 326.045944][ T8411] device hsr_slave_0 left promiscuous mode [ 326.058068][ T8411] device hsr_slave_1 left promiscuous mode [ 326.069070][ T8411] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 326.077012][ T8411] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 326.085494][ T8411] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 326.094282][ T8411] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 326.102841][ T8411] device bridge_slave_1 left promiscuous mode [ 326.109415][ T8411] bridge0: port 2(bridge_slave_1) entered disabled state [ 326.119242][ T8411] device bridge_slave_0 left promiscuous mode [ 326.125637][ T8411] bridge0: port 1(bridge_slave_0) entered disabled state [ 326.137435][ T8411] device veth1_macvtap left promiscuous mode [ 326.147261][ T8411] device veth0_macvtap left promiscuous mode [ 326.155315][ T8411] device veth1_vlan left promiscuous mode [ 326.161751][ T8411] device veth0_vlan left promiscuous mode [ 326.461495][ T8411] team0 (unregistering): Port device team_slave_1 removed [ 326.472849][ T8411] team0 (unregistering): Port device team_slave_0 removed [ 326.483667][ T8411] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 326.497398][ T8411] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 326.526009][ T8411] bond0 (unregistering): Released all slaves [ 331.193815][ T8951] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 333.589537][ T8951] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118f07ac0 (size 64): comm "syz-executor.0", pid 8407, jiffies 4294968878 (age 17.540s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 00 06 e5 18 81 88 ff ff 80 41 e2 18 81 88 ff ff .........A...... 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 0xffff888118f076c0 (size 64): comm "syz-executor.0", pid 8407, jiffies 4294968878 (age 17.540s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 00 06 e5 18 81 88 ff ff d0 41 e2 18 81 88 ff ff .........A...... 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 0xffff88810615ed00 (size 64): comm "kworker/u4:1", pid 24, jiffies 4294969568 (age 10.640s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 20 a8 a5 83 ff ff ff ff ........ ....... 00 06 e5 18 81 88 ff ff a8 41 e2 18 81 88 ff ff .........A...... 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