[ 1596.582871] eth1: renamed from tmp [ 1596.612870] eth2: renamed from tmp [ 1596.645024] l2tp_core: L2TP core driver, V2.0 [ 1596.646185] l2tp_netlink: L2TP netlink interface [ 1596.652526] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 1596.660769] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 1596.661023] BUG: kernel NULL pointer dereference, address: 0000000000000054 [ 1596.661067] #PF: supervisor read access in kernel mode [ 1596.661096] #PF: error_code(0x0000) - not-present page [ 1596.661124] PGD 5c86067 P4D e6ed067 PUD 6ca6067 PMD 0 [ 1596.661153] Oops: Oops: 0000 [#1] SMP [ 1596.661178] CPU: 3 UID: 0 PID: 23498 Comm: ip Not tainted 7.0.0-rc1-virtme #1 PREEMPT(lazy) [ 1596.661221] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1596.661262] RIP: 0010:l2tp_eth_create+0xf2/0x300 [l2tp_eth] [ 1596.661290] Code: 00 00 ff ff 00 00 48 89 85 18 02 00 00 41 8b 74 24 3c 85 f6 0f 84 a2 00 00 00 48 8b 53 20 0f b7 43 4a 4d 8b ac 24 b8 00 00 00 <8b> 4a 54 03 42 3c 31 d2 85 c9 0f 94 c2 44 8d 74 d0 0e e8 37 61 d2 [ 1596.661377] RSP: 0018:ff5bd9a88128f8f8 EFLAGS: 00010206 [ 1596.661407] RAX: 0000000000000008 RBX: ff1108d94e291400 RCX: 0000000000000005 [ 1596.661445] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 7f7f7fffffffffff [ 1596.661483] RBP: ff1108d9479ec000 R08: 8080808080808080 R09: ff1108d9479ec120 [ 1596.661530] R10: ff5bd9a88128f900 R11: fefefefefefefeff R12: ff1108d942fb0c00 [ 1596.661576] R13: ff1108d941943300 R14: 0000000000000411 R15: 0000000000000000 [ 1596.661614] FS: 00007f6ca7aab400(0000) GS:ff1108d9e4b34000(0000) knlGS:0000000000000000 [ 1596.661657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1596.661699] CR2: 0000000000000054 CR3: 0000000008bdb005 CR4: 0000000000771ef0 [ 1596.661735] PKRU: 55555554 [ 1596.661749] Call Trace: [ 1596.661766] [ 1596.661783] l2tp_nl_cmd_session_create+0x204/0x470 [l2tp_netlink] [ 1596.661818] genl_family_rcv_msg_doit+0xf8/0x150 [ 1596.661852] genl_rcv_msg+0x1a6/0x2a0 [ 1596.661873] ? l2tp_session_notify.constprop.0+0xa0/0xa0 [l2tp_netlink] [ 1596.661910] ? genl_family_rcv_msg_dumpit+0x100/0x100 [ 1596.661941] netlink_rcv_skb+0x59/0x100 [ 1596.661963] genl_rcv+0x28/0x40 [ 1596.661984] netlink_unicast+0x255/0x380 [ 1596.662005] netlink_sendmsg+0x1cc/0x3e0 [ 1596.662028] ____sys_sendmsg+0x164/0x260 [ 1596.662057] ___sys_sendmsg+0x99/0xe0 [ 1596.662081] __sys_sendmsg+0x8a/0xe0 [ 1596.662105] do_syscall_64+0x101/0xfc0 [ 1596.662128] ? exc_page_fault+0x6e/0x170 [ 1596.662152] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1596.662184] RIP: 0033:0x7f6ca7c05c5e [ 1596.662207] Code: 4d 89 d8 e8 34 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa [ 1596.662311] RSP: 002b:00007ffd1435f870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 1596.662348] RAX: ffffffffffffffda RBX: 00007ffd1435fc30 RCX: 00007f6ca7c05c5e [ 1596.662384] RDX: 0000000000000000 RSI: 00007ffd1435f930 RDI: 0000000000000006 [ 1596.662429] RBP: 00007ffd1435f880 R08: 0000000000000000 R09: 0000000000000000 [ 1596.662468] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 [ 1596.662513] R13: 0000000069a2b694 R14: 000000000000000b R15: 00000000004a3d00 [ 1596.662551] [ 1596.662566] Modules linked in: l2tp_eth l2tp_ip l2tp_netlink l2tp_core sctp sch_etf sch_fq act_mirred cls_matchall ip6_gre gre pktgen cls_bpf xt_conntrack nf_conntrack nf_defrag_ipv4 nf_defrag_ipv6 drop_monitor netdevsim psample ipvtap ipvlan act_gact cls_flower sch_ingress vxlan unix_diag xfrm_user xt_policy geneve ip6t_REJECT nf_reject_ipv6 ipt_REJECT nf_reject_ipv4 nft_compat nf_tables [ 1596.662763] CR2: 0000000000000054 [ 1596.662784] ---[ end trace 0000000000000000 ]--- [ 1596.662810] RIP: 0010:l2tp_eth_create+0xf2/0x300 [l2tp_eth] [ 1596.662844] Code: 00 00 ff ff 00 00 48 89 85 18 02 00 00 41 8b 74 24 3c 85 f6 0f 84 a2 00 00 00 48 8b 53 20 0f b7 43 4a 4d 8b ac 24 b8 00 00 00 <8b> 4a 54 03 42 3c 31 d2 85 c9 0f 94 c2 44 8d 74 d0 0e e8 37 61 d2 [ 1596.662948] RSP: 0018:ff5bd9a88128f8f8 EFLAGS: 00010206 [ 1596.662984] RAX: 0000000000000008 RBX: ff1108d94e291400 RCX: 0000000000000005 [ 1596.663023] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 7f7f7fffffffffff [ 1596.663070] RBP: ff1108d9479ec000 R08: 8080808080808080 R09: ff1108d9479ec120 [ 1596.663108] R10: ff5bd9a88128f900 R11: fefefefefefefeff R12: ff1108d942fb0c00 [ 1596.663144] R13: ff1108d941943300 R14: 0000000000000411 R15: 0000000000000000 [ 1596.663193] FS: 00007f6ca7aab400(0000) GS:ff1108d9e4b34000(0000) knlGS:0000000000000000 [ 1596.663238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1596.663270] CR2: 0000000000000054 CR3: 0000000008bdb005 CR4: 0000000000771ef0 [ 1596.663322] PKRU: 55555554 [ 1596.663342] note: ip[23498] exited with irqs disabled