[ 1.920368] ip (264) used greatest stack depth: 12136 bytes left [ 2.070089] veth0: renamed from veth1 [ 2.319339] br0: port 1(vx0) entered blocking state [ 2.319434] br0: port 1(vx0) entered disabled state [ 2.319502] vx0: entered allmulticast mode [ 2.319585] vx0: entered promiscuous mode [ 2.319651] br0: port 1(vx0) entered blocking state [ 2.319709] br0: port 1(vx0) entered forwarding state [ 2.646206] br0: port 1(vx0) entered blocking state [ 2.646313] br0: port 1(vx0) entered disabled state [ 2.646378] vx0: entered allmulticast mode [ 2.646457] vx0: entered promiscuous mode [ 2.646523] br0: port 1(vx0) entered blocking state [ 2.646589] br0: port 1(vx0) entered forwarding state [ 2.914151] veth0: renamed from veth1 [ 3.131697] br0: port 1(vx0) entered blocking state [ 3.131766] br0: port 1(vx0) entered disabled state [ 3.131819] vx0: entered allmulticast mode [ 3.131888] vx0: entered promiscuous mode [ 3.131948] br0: port 1(vx0) entered blocking state [ 3.131995] br0: port 1(vx0) entered forwarding state [ 3.419854] br0: port 1(vx0) entered blocking state [ 3.419937] br0: port 1(vx0) entered disabled state [ 3.419985] vx0: entered allmulticast mode [ 3.420055] vx0: entered promiscuous mode [ 3.420107] br0: port 1(vx0) entered blocking state [ 3.420150] br0: port 1(vx0) entered forwarding state [ 8.962543] vx0: left allmulticast mode [ 8.962605] vx0: left promiscuous mode [ 8.962645] br0: port 1(vx0) entered disabled state [ 8.975938] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 8.976008] #PF: supervisor write access in kernel mode [ 8.976050] #PF: error_code(0x0002) - not-present page [ 8.976084] PGD 0 P4D 0 [ 8.976109] Oops: Oops: 0002 [#1] SMP [ 8.976140] CPU: 0 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 8.976203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.976250] Workqueue: netns cleanup_net [ 8.976287] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.976336] 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 [ 8.976465] RSP: 0018:ffffb8aa8024fc30 EFLAGS: 00010046 [ 8.976497] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 8.976565] RDX: ffffb8aa8024fc68 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.976619] RBP: ffffb8aa8024fc68 R08: 0000000000000006 R09: 0000000000000132 [ 8.976666] R10: ffff9c643ec2cc00 R11: 000000000000003c R12: 0000000000000000 [ 8.976723] R13: ffffb8aa8024fd60 R14: 0000000000000020 R15: ffffb8aa8024fdf0 [ 8.976772] FS: 0000000000000000(0000) GS:ffff9c647f991000(0000) knlGS:0000000000000000 [ 8.976833] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.976889] CR2: 0000000000000000 CR3: 000000003dc46001 CR4: 0000000000772ef0 [ 8.976942] PKRU: 55555554 [ 8.976958] Call Trace: [ 8.976975] [ 8.977002] __cancel_work+0x29/0xe0 [ 8.977040] __cancel_work_sync+0x16/0x80 [ 8.977068] __dev_close_many+0x113/0x2b0 [ 8.977097] netif_close_many+0x98/0x160 [ 8.977136] ? radix_tree_delete_item+0x67/0xc0 [ 8.977175] ? __call_rcu_common.constprop.0+0x91/0x330 [ 8.977214] unregister_netdevice_many_notify+0x1ea/0xaa0 [ 8.977259] ops_undo_list+0x1de/0x1f0 [ 8.977291] cleanup_net+0x1b7/0x300 [ 8.977333] process_one_work+0x162/0x380 [ 8.977364] worker_thread+0x299/0x3c0 [ 8.977394] ? rescuer_thread+0x4c0/0x4c0 [ 8.977426] kthread+0x101/0x1f0 [ 8.977466] ? kthreads_online_cpu+0x110/0x110 [ 8.977504] ? kthreads_online_cpu+0x110/0x110 [ 8.977543] ret_from_fork+0x11c/0x140 [ 8.977578] ? kthreads_online_cpu+0x110/0x110 [ 8.977624] ret_from_fork_asm+0x11/0x20 [ 8.977656] [ 8.977678] Modules linked in: vxlan [ 8.977712] CR2: 0000000000000000 [ 8.977740] ---[ end trace 0000000000000000 ]--- [ 8.977776] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.977820] 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 [ 8.977941] RSP: 0018:ffffb8aa8024fc30 EFLAGS: 00010046 [ 8.977976] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 8.978035] RDX: ffffb8aa8024fc68 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.978101] RBP: ffffb8aa8024fc68 R08: 0000000000000006 R09: 0000000000000132 [ 8.978158] R10: ffff9c643ec2cc00 R11: 000000000000003c R12: 0000000000000000 [ 8.978208] R13: ffffb8aa8024fd60 R14: 0000000000000020 R15: ffffb8aa8024fdf0 [ 8.978265] FS: 0000000000000000(0000) GS:ffff9c647f991000(0000) knlGS:0000000000000000 [ 8.978328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.978378] CR2: 0000000000000000 CR3: 000000003dc46001 CR4: 0000000000772ef0 [ 8.978424] PKRU: 55555554 [ 8.978458] note: kworker/u16:1[66] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr