[ 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 '10.128.1.103' (ECDSA) to the list of known hosts. 2021/05/01 15:06:37 parsed 1 programs 2021/05/01 15:06:45 executed programs: 0 syzkaller login: [ 301.143255][ T8424] chnl_net:caif_netlink_parms(): no params data found [ 301.180101][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 301.188648][ T8424] bridge0: port 1(bridge_slave_0) entered disabled state [ 301.202413][ T8424] device bridge_slave_0 entered promiscuous mode [ 301.209897][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 301.222198][ T8424] bridge0: port 2(bridge_slave_1) entered disabled state [ 301.229497][ T8424] device bridge_slave_1 entered promiscuous mode [ 301.240395][ T8424] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 301.251365][ T8424] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 301.270067][ T8424] team0: Port device team_slave_0 added [ 301.280403][ T8424] team0: Port device team_slave_1 added [ 301.289789][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 301.297977][ 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. [ 301.326227][ T8424] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 301.345865][ T8424] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 301.353277][ 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. [ 301.382207][ T8424] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 301.397859][ T8424] device hsr_slave_0 entered promiscuous mode [ 301.404545][ T8424] device hsr_slave_1 entered promiscuous mode [ 301.436140][ T8424] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 301.444289][ T8424] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 301.453716][ T8424] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 301.461456][ T8424] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 301.473785][ T8424] bridge0: port 2(bridge_slave_1) entered blocking state [ 301.482583][ T8424] bridge0: port 2(bridge_slave_1) entered forwarding state [ 301.489973][ T8424] bridge0: port 1(bridge_slave_0) entered blocking state [ 301.497113][ T8424] bridge0: port 1(bridge_slave_0) entered forwarding state [ 301.517939][ T8424] 8021q: adding VLAN 0 to HW filter on device bond0 [ 301.527985][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 301.537522][ T4798] bridge0: port 1(bridge_slave_0) entered disabled state [ 301.546079][ T4798] bridge0: port 2(bridge_slave_1) entered disabled state [ 301.554149][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 301.563499][ T8424] 8021q: adding VLAN 0 to HW filter on device team0 [ 301.572211][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 301.581014][ T4798] bridge0: port 1(bridge_slave_0) entered blocking state [ 301.588052][ T4798] bridge0: port 1(bridge_slave_0) entered forwarding state [ 301.601087][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 301.609339][ T4798] bridge0: port 2(bridge_slave_1) entered blocking state [ 301.619009][ T4798] bridge0: port 2(bridge_slave_1) entered forwarding state [ 301.626760][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 301.636206][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 301.645185][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 301.656408][ T8424] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 301.667606][ T8424] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 301.681224][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 301.689229][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 301.697361][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 301.708341][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 301.716389][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 301.726297][ T8424] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 301.740801][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 301.752071][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 301.760511][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 301.768311][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 301.776967][ T8424] device veth0_vlan entered promiscuous mode [ 301.786284][ T8424] device veth1_vlan entered promiscuous mode [ 301.799265][ T8424] device veth0_macvtap entered promiscuous mode [ 301.806121][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 301.814831][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 301.822914][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 301.831338][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 301.840455][ T8424] device veth1_macvtap entered promiscuous mode [ 301.851755][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 301.858986][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 301.869016][ T8424] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 301.877520][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 301.886999][ T8424] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.896048][ T8424] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.904991][ T8424] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.913961][ T8424] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 301.940873][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 301.949323][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 301.951229][ T606] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 301.957796][ T4817] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 301.979130][ T606] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 301.988885][ T19] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 302.073579][ T606] ------------[ cut here ]------------ [ 302.079070][ T606] hook not found, pf 3 num 0 [ 302.079327][ T606] WARNING: CPU: 1 PID: 606 at net/netfilter/core.c:480 __nf_unregister_net_hook+0xef/0x280 [ 302.099708][ T606] Modules linked in: [ 302.104227][ T606] CPU: 1 PID: 606 Comm: kworker/u4:5 Not tainted 5.12.0-syzkaller #0 [ 302.116411][ T606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 302.127649][ T606] Workqueue: netns cleanup_net [ 302.132873][ T606] RIP: 0010:__nf_unregister_net_hook+0xef/0x280 [ 302.145757][ T606] 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 [ 302.196261][ T606] RSP: 0018:ffffc900012c7d80 EFLAGS: 00010282 [ 302.202598][ T606] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 302.211559][ T606] RDX: ffff8881019bd000 RSI: ffffffff812adff3 RDI: 0000000000000003 [ 302.225685][ T606] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 302.234314][ T606] R10: ffffffff812ad450 R11: 0000000000000000 R12: ffff888143316c80 [ 302.243194][ T606] R13: ffff88811366ea40 R14: ffff888118b8b540 R15: 0000000000000001 [ 302.251657][ T606] FS: 0000000000000000(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 [ 302.261068][ T606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 302.267742][ T606] CR2: 00007f3280450000 CR3: 0000000112eb0000 CR4: 00000000001506e0 [ 302.276819][ T606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 302.285150][ T606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 302.293807][ T606] Call Trace: [ 302.297085][ T606] nf_unregister_net_hooks+0xb8/0xe0 [ 302.303597][ T606] arpt_unregister_table_pre_exit+0x46/0x60 [ 302.309497][ T606] ? arptable_filter_net_exit+0x20/0x20 [ 302.316034][ T606] cleanup_net+0x277/0x4d0 [ 302.320849][ T606] process_one_work+0x2c9/0x600 [ 302.325730][ T606] worker_thread+0x59/0x5d0 [ 302.330238][ T606] ? rescuer_thread+0x560/0x560 [ 302.336380][ T606] kthread+0x178/0x1b0 [ 302.340444][ T606] ? __kthread_bind_mask+0x90/0x90 [ 302.346307][ T606] ret_from_fork+0x1f/0x30 [ 302.351140][ T606] ---[ end trace 66cc2deed3114b3c ]--- [ 302.362232][ T606] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 304.974052][ T606] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 2021/05/01 15:06:52 executed programs: 1 [ 307.531711][ T606] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 307.574398][ T606] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 308.302338][ T606] device hsr_slave_0 left promiscuous mode [ 308.308316][ T606] device hsr_slave_1 left promiscuous mode [ 308.314652][ T606] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 308.322074][ T606] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 308.329736][ T606] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 308.337168][ T606] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 308.344590][ T606] device bridge_slave_1 left promiscuous mode [ 308.350963][ T606] bridge0: port 2(bridge_slave_1) entered disabled state [ 308.358235][ T606] device bridge_slave_0 left promiscuous mode [ 308.364449][ T606] bridge0: port 1(bridge_slave_0) entered disabled state [ 308.372441][ T606] device veth1_macvtap left promiscuous mode [ 308.378405][ T606] device veth0_macvtap left promiscuous mode [ 308.384438][ T606] device veth1_vlan left promiscuous mode [ 308.390159][ T606] device veth0_vlan left promiscuous mode [ 308.565584][ T606] team0 (unregistering): Port device team_slave_1 removed [ 308.573904][ T606] team0 (unregistering): Port device team_slave_0 removed [ 308.582086][ T606] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 308.591948][ T606] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 308.605467][ T606] bond0 (unregistering): Released all slaves [ 309.627565][ T8721] chnl_net:caif_netlink_parms(): no params data found [ 309.646639][ T8721] bridge0: port 1(bridge_slave_0) entered blocking state [ 309.653761][ T8721] bridge0: port 1(bridge_slave_0) entered disabled state [ 309.661265][ T8721] device bridge_slave_0 entered promiscuous mode [ 309.668416][ T8721] bridge0: port 2(bridge_slave_1) entered blocking state [ 309.675876][ T8721] bridge0: port 2(bridge_slave_1) entered disabled state [ 309.683291][ T8721] device bridge_slave_1 entered promiscuous mode [ 309.694176][ T8721] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 309.704296][ T8721] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 309.717676][ T8721] team0: Port device team_slave_0 added [ 309.724417][ T8721] team0: Port device team_slave_1 added [ 309.734101][ T8721] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 309.741148][ T8721] 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. [ 309.767243][ T8721] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 309.778757][ T8721] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 309.785735][ T8721] 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. [ 309.811848][ T8721] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 309.827771][ T8721] device hsr_slave_0 entered promiscuous mode [ 309.834149][ T8721] device hsr_slave_1 entered promiscuous mode [ 309.862649][ T8721] bridge0: port 2(bridge_slave_1) entered blocking state [ 309.869676][ T8721] bridge0: port 2(bridge_slave_1) entered forwarding state [ 309.877027][ T8721] bridge0: port 1(bridge_slave_0) entered blocking state [ 309.884077][ T8721] bridge0: port 1(bridge_slave_0) entered forwarding state [ 309.906453][ T8721] 8021q: adding VLAN 0 to HW filter on device bond0 [ 309.916506][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 309.924433][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 309.931957][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 309.941587][ T8721] 8021q: adding VLAN 0 to HW filter on device team0 [ 309.950067][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 309.958443][ T8643] bridge0: port 1(bridge_slave_0) entered blocking state [ 309.965618][ T8643] bridge0: port 1(bridge_slave_0) entered forwarding state [ 309.974565][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 309.982929][ T4798] bridge0: port 2(bridge_slave_1) entered blocking state [ 309.989942][ T4798] bridge0: port 2(bridge_slave_1) entered forwarding state [ 310.002426][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 310.011220][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 310.020805][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 310.032518][ T8721] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 310.043086][ T8721] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 310.054218][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 310.062357][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 310.070775][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 310.082468][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 310.089767][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 310.099543][ T8721] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 310.148553][ T8721] device veth0_vlan entered promiscuous mode [ 310.154899][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 310.163925][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 310.172588][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 310.180001][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 310.189995][ T8721] device veth1_vlan entered promiscuous mode [ 310.203324][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 310.211100][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 310.218798][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 310.228939][ T8721] device veth0_macvtap entered promiscuous mode [ 310.237040][ T8721] device veth1_macvtap entered promiscuous mode [ 310.248606][ T8721] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 310.256226][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 310.264866][ T4798] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 310.274333][ T8721] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 310.281788][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 310.289985][ T35] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 310.323987][ T606] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 310.335421][ T606] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 310.350912][ T7] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 310.362572][ T565] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 310.370389][ T565] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 310.378124][ T8643] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 311.086306][ T606] device hsr_slave_0 left promiscuous mode [ 311.096173][ T606] device hsr_slave_1 left promiscuous mode [ 311.107537][ T606] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 311.116426][ T606] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 311.124607][ T606] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 311.133336][ T606] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 311.141433][ T606] device bridge_slave_1 left promiscuous mode [ 311.147677][ T606] bridge0: port 2(bridge_slave_1) entered disabled state [ 311.157731][ T606] device bridge_slave_0 left promiscuous mode [ 311.165348][ T606] bridge0: port 1(bridge_slave_0) entered disabled state [ 311.177067][ T606] device veth1_macvtap left promiscuous mode [ 311.183646][ T606] device veth0_macvtap left promiscuous mode [ 311.189633][ T606] device veth1_vlan left promiscuous mode [ 311.196245][ T606] device veth0_vlan left promiscuous mode [ 311.445606][ T606] team0 (unregistering): Port device team_slave_1 removed [ 311.455218][ T606] team0 (unregistering): Port device team_slave_0 removed [ 311.465572][ T606] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 311.481941][ T606] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 311.501919][ T606] bond0 (unregistering): Released all slaves [ 315.650936][ T3240] ieee802154 phy0 wpan0: encryption failed: -22 [ 315.657257][ T3240] ieee802154 phy1 wpan1: encryption failed: -22 [ 315.709315][ T8963] kmemleak: 3 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 317.782019][ T8963] kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) BUG: memory leak unreferenced object 0xffff888118b8b540 (size 64): comm "syz-executor.0", pid 8424, jiffies 4294967466 (age 15.840s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e0 6d a5 83 ff ff ff ff .........m...... 80 78 b6 18 81 88 ff ff 80 e8 c1 10 81 88 ff ff .x.............. 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 0xffff888118b6f300 (size 64): comm "syz-executor.0", pid 8424, jiffies 4294967466 (age 15.840s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e0 6d a5 83 ff ff ff ff .........m...... 80 78 b6 18 81 88 ff ff d0 e8 c1 10 81 88 ff ff .x.............. 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 0xffff88810b179d80 (size 64): comm "kworker/u4:5", pid 606, jiffies 4294968171 (age 8.790s) hex dump (first 32 bytes): 01 00 00 00 00 00 00 00 e0 6d a5 83 ff ff ff ff .........m...... 80 78 b6 18 81 88 ff ff a8 e8 c1 10 81 88 ff ff .x.............. 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