[ 2.152560] ip (265) used greatest stack depth: 12376 bytes left [ 2.162514] ip (266) used greatest stack depth: 12168 bytes left [ 7.716747] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 7.716825] #PF: supervisor write access in kernel mode [ 7.716871] #PF: error_code(0x0002) - not-present page [ 7.716911] PGD 0 P4D 0 [ 7.716941] Oops: Oops: 0002 [#1] SMP [ 7.716981] CPU: 2 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 7.717055] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.717106] Workqueue: netns cleanup_net [ 7.717165] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.717219] 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 [ 7.717364] RSP: 0000:ffffb4d14024fbb8 EFLAGS: 00010046 [ 7.717410] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 7.717476] RDX: ffffb4d14024fbf0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.717535] RBP: ffffb4d14024fbf0 R08: 0000000000000001 R09: 0000000000000132 [ 7.717595] R10: ffff9babfed2cc00 R11: 00000000000000f2 R12: 0000000000000000 [ 7.717654] R13: ffffb4d14024fce8 R14: 0000000000000020 R15: ffffb4d14024fdf0 [ 7.717715] FS: 0000000000000000(0000) GS:ffff9bac57291000(0000) knlGS:0000000000000000 [ 7.717780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.717835] CR2: 0000000000000000 CR3: 0000000004745005 CR4: 0000000000772ef0 [ 7.717896] PKRU: 55555554 [ 7.717921] Call Trace: [ 7.717949] [ 7.717979] __cancel_work+0x29/0xe0 [ 7.718017] ? xdp_rxq_info_unreg+0x18/0x30 [ 7.718058] __cancel_work_sync+0x16/0x80 [ 7.718095] __dev_close_many+0x113/0x2b0 [ 7.718140] netif_close_many+0x98/0x160 [ 7.718177] ? rcu_barrier_entrain+0xb0/0xb0 [ 7.718230] unregister_netdevice_many_notify+0x1ea/0xaa0 [ 7.718284] ? unregister_netdevice_queue+0x29/0xe0 [ 7.718327] default_device_exit_batch+0x29b/0x300 [ 7.718367] ? mutex_lock+0x12/0x30 [ 7.718411] ops_undo_list+0xec/0x1f0 [ 7.718452] cleanup_net+0x1b7/0x300 [ 7.718489] process_one_work+0x162/0x380 [ 7.718527] worker_thread+0x299/0x3c0 [ 7.718561] ? rescuer_thread+0x4c0/0x4c0 [ 7.718597] kthread+0x101/0x1f0 [ 7.718640] ? kthreads_online_cpu+0x110/0x110 [ 7.718683] ? kthreads_online_cpu+0x110/0x110 [ 7.718723] ret_from_fork+0x11c/0x140 [ 7.718771] ? kthreads_online_cpu+0x110/0x110 [ 7.718817] ret_from_fork_asm+0x11/0x20 [ 7.718863] [ 7.718887] Modules linked in: cls_bpf sch_ingress [ 7.718937] CR2: 0000000000000000 [ 7.718970] ---[ end trace 0000000000000000 ]--- [ 7.719015] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.719061] 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 [ 7.719206] RSP: 0000:ffffb4d14024fbb8 EFLAGS: 00010046 [ 7.719251] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000000 [ 7.719311] RDX: ffffb4d14024fbf0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.719371] RBP: ffffb4d14024fbf0 R08: 0000000000000001 R09: 0000000000000132 [ 7.719430] R10: ffff9babfed2cc00 R11: 00000000000000f2 R12: 0000000000000000 [ 7.719489] R13: ffffb4d14024fce8 R14: 0000000000000020 R15: ffffb4d14024fdf0 [ 7.719550] FS: 0000000000000000(0000) GS:ffff9bac57291000(0000) knlGS:0000000000000000 [ 7.719616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.719670] CR2: 0000000000000000 CR3: 0000000004745005 CR4: 0000000000772ef0 [ 7.719731] PKRU: 55555554 [ 7.719750] note: kworker/u16:1[66] exited with irqs disabled [ 68.127588] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 60 sec [ 128.544590] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 120 sec [ 188.960600] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 181 sec [ 249.375588] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 241 sec [ 309.792582] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 302 sec [ 370.207587] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 362 sec [ 430.624583] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 422 sec [ 491.040580] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 483 sec [ 551.456583] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 543 sec [ 611.871577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 604 sec [ 672.288586] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 664 sec [ 732.704580] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 724 sec [ 793.120577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 785 sec [ 853.535582] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 845 sec [ 913.952578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 906 sec [ 974.368583] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 966 sec [ 1034.784585] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1027 sec [ 1095.200577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1087 sec [ 1155.616577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1147 sec [ 1216.031577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1208 sec [ 1276.448581] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1268 sec [ 1336.864574] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1329 sec [ 1397.280582] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1389 sec [ 1457.695580] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1449 sec [ 1518.112578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1510 sec [ 1578.527579] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1570 sec [ 1638.944580] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1631 sec [ 1699.360575] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1691 sec [ 1759.775578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1752 sec [ 1820.191577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1812 sec [ 1880.608578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1872 sec [ 1941.024578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1933 sec [ 2001.440578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 1993 sec [ 2061.855580] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2054 sec [ 2122.271577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2114 sec [ 2182.687578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2174 sec [ 2243.103577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2235 sec [ 2303.519582] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2295 sec [ 2363.936580] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2356 sec [ 2424.352576] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2416 sec [ 2484.768584] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2477 sec [ 2545.183587] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2537 sec [ 2605.599592] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2597 sec [ 2666.015578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2658 sec [ 2726.431582] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2718 sec [ 2786.847584] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2779 sec [ 2847.263584] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2839 sec [ 2907.680577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2899 sec [ 2968.095589] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 2960 sec [ 3028.511591] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3020 sec [ 3088.928563] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3081 sec [ 3149.343586] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3141 sec [ 3209.759586] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3202 sec [ 3270.175579] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3262 sec [ 3330.591589] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3322 sec [ 3391.008590] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3383 sec [ 3451.424581] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3443 sec [ 3511.839579] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3504 sec [ 3572.255579] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3564 sec [ 3632.672578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3624 sec [ 3693.087579] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3685 sec [ 3753.504575] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3745 sec [ 3813.919578] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3806 sec [ 3874.335582] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3866 sec [ 3934.752590] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3927 sec [ 3995.167591] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 3987 sec [ 4055.584577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4047 sec [ 4116.000576] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4108 sec [ 4176.416585] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4168 sec [ 4236.831581] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4229 sec [ 4297.247583] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4289 sec [ 4357.664582] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4349 sec [ 4418.079584] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4410 sec [ 4478.496576] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4470 sec [ 4538.912576] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4531 sec [ 4599.327577] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4591 sec [ 4659.743596] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4652 sec [ 4720.160575] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4712 sec [ 4780.576587] page_pool_release_retry() stalled pool shutdown: id 5, 1 inflight 4772 sec HARD STOP (4800) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr