[ 2.476916] eth1: renamed from tmp [ 2.568915] eth2: renamed from tmp [ 2.678576] l2tp_core: L2TP core driver, V2.0 [ 2.679960] l2tp_netlink: L2TP netlink interface [ 2.692911] l2tp_ip: L2TP IP encapsulation support (L2TPv3) [ 2.712631] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3) [ 2.807014] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3) [ 3.005194] Initializing XFRM netlink socket [ 3.669348] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 3.669468] #PF: supervisor write access in kernel mode [ 3.669529] #PF: error_code(0x0002) - not-present page [ 3.669590] PGD 0 P4D 0 [ 3.669623] Oops: Oops: 0002 [#1] SMP [ 3.669671] CPU: 2 UID: 0 PID: 37 Comm: kworker/u19:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 3.669774] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 3.669845] Workqueue: l2tp l2tp_session_del_work [l2tp_core] [ 3.669922] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 3.669994] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 3.670206] RSP: 0018:ffffaf6280153c58 EFLAGS: 00010046 [ 3.670264] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 3.670346] RDX: ffffaf6280153c90 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.670422] RBP: ffffaf6280153c90 R08: 0000000000000400 R09: 0000000000000001 [ 3.670498] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 3.670580] R13: ffffaf6280153d88 R14: 0000000000000020 R15: ffff921b032beb20 [ 3.670671] FS: 0000000000000000(0000) GS:ffff921bacc91000(0000) knlGS:0000000000000000 [ 3.670758] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.670834] CR2: 0000000000000000 CR3: 0000000015846004 CR4: 0000000000772ef0 [ 3.670928] PKRU: 55555554 [ 3.670971] Call Trace: [ 3.671006] [ 3.671042] __cancel_work+0x29/0xe0 [ 3.671091] ? dev_deactivate_many+0x2c9/0x300 [ 3.671163] __cancel_work_sync+0x16/0x80 [ 3.671210] __dev_close_many+0x113/0x2b0 [ 3.671256] netif_close_many+0x98/0x160 [ 3.671303] unregister_netdevice_many_notify+0x1ea/0xaa0 [ 3.671388] unregister_netdevice_queue+0xa0/0xe0 [ 3.671450] l2tp_eth_delete+0x2a/0x50 [l2tp_eth] [ 3.671514] l2tp_session_del_work+0x1c3/0x270 [l2tp_core] [ 3.671581] process_one_work+0x162/0x380 [ 3.671627] worker_thread+0x299/0x3c0 [ 3.671682] ? rescuer_thread+0x4c0/0x4c0 [ 3.671737] kthread+0x101/0x1f0 [ 3.671787] ? kthreads_online_cpu+0x110/0x110 [ 3.671844] ? kthreads_online_cpu+0x110/0x110 [ 3.671896] ret_from_fork+0x11c/0x140 [ 3.671946] ? kthreads_online_cpu+0x110/0x110 [ 3.672010] ret_from_fork_asm+0x11/0x20 [ 3.672064] [ 3.672095] Modules linked in: xfrm_user l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core [ 3.672190] CR2: 0000000000000000 [ 3.672235] ---[ end trace 0000000000000000 ]--- [ 3.672315] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 3.672375] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 3.672575] RSP: 0018:ffffaf6280153c58 EFLAGS: 00010046 [ 3.672634] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 3.672722] RDX: ffffaf6280153c90 RSI: 0000000000000000 RDI: 0000000000000000 [ 3.672817] RBP: ffffaf6280153c90 R08: 0000000000000400 R09: 0000000000000001 [ 3.672902] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000 [ 3.672979] R13: ffffaf6280153d88 R14: 0000000000000020 R15: ffff921b032beb20 [ 3.673067] FS: 0000000000000000(0000) GS:ffff921bacc91000(0000) knlGS:0000000000000000 [ 3.673149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3.673219] CR2: 0000000000000000 CR3: 0000000015846004 CR4: 0000000000772ef0 [ 3.673295] PKRU: 55555554 [ 3.673332] note: kworker/u19:0[37] exited with irqs disabled