[ 2.049129] ip (259) used greatest stack depth: 12136 bytes left [ 3.017311] eth3: renamed from tmp [ 3.196297] eth2: renamed from tmp [ 3.436286] eth0: renamed from tmp [ 3.502753] br0: port 1(eth0) entered blocking state [ 3.502823] br0: port 1(eth0) entered disabled state [ 3.502887] eth0: entered allmulticast mode [ 3.502978] eth0: entered promiscuous mode [ 3.503043] br0: port 1(eth0) entered blocking state [ 3.503099] br0: port 1(eth0) entered forwarding state [ 3.604316] eth1: renamed from tmp [ 3.671555] br0: port 2(eth1) entered blocking state [ 3.671639] br0: port 2(eth1) entered disabled state [ 3.671693] eth1: entered allmulticast mode [ 3.671781] eth1: entered promiscuous mode [ 3.671844] br0: port 2(eth1) entered blocking state [ 3.671900] br0: port 2(eth1) entered forwarding state [ 7.833217] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 7.833291] #PF: supervisor write access in kernel mode [ 7.833343] #PF: error_code(0x0002) - not-present page [ 7.833378] PGD 0 P4D 0 [ 7.833407] Oops: Oops: 0002 [#1] SMP [ 7.833440] CPU: 3 UID: 0 PID: 66 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 7.833517] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.833564] Workqueue: netns cleanup_net [ 7.833599] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.833646] 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 [ 7.833766] RSP: 0018:ffffa80fc024fbb8 EFLAGS: 00010046 [ 7.833798] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000c00 [ 7.833856] RDX: ffffa80fc024fbf0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.833909] RBP: ffffa80fc024fbf0 R08: ffff9ad3840e0873 R09: 0000000000000002 [ 7.833973] R10: ffff9ad3beda8840 R11: ffff9ad3840e0090 R12: 0000000000000000 [ 7.834028] R13: ffffa80fc024fce8 R14: 0000000000000020 R15: ffffa80fc024fdf0 [ 7.834102] FS: 0000000000000000(0000) GS:ffff9ad431511000(0000) knlGS:0000000000000000 [ 7.834164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.834206] CR2: 0000000000000000 CR3: 0000000036046001 CR4: 0000000000772ef0 [ 7.834253] PKRU: 55555554 [ 7.834280] Call Trace: [ 7.834298] [ 7.834321] __cancel_work+0x29/0xe0 [ 7.834359] ? queue_delayed_work_on+0x54/0x60 [ 7.834409] __cancel_work_sync+0x16/0x80 [ 7.834438] __dev_close_many+0x113/0x2b0 [ 7.834472] netif_close_many+0x98/0x160 [ 7.834511] ? rcu_barrier_entrain+0xb0/0xb0 [ 7.834563] unregister_netdevice_many_notify+0x1ea/0xaa0 [ 7.834599] ? unregister_netdevice_queue+0x29/0xe0 [ 7.834638] default_device_exit_batch+0x29b/0x300 [ 7.834679] ? mutex_lock+0x12/0x30 [ 7.834711] ops_undo_list+0xec/0x1f0 [ 7.834743] cleanup_net+0x1b7/0x300 [ 7.834774] process_one_work+0x162/0x380 [ 7.834803] worker_thread+0x299/0x3c0 [ 7.834833] ? rescuer_thread+0x4c0/0x4c0 [ 7.834865] kthread+0x101/0x1f0 [ 7.834891] ? kthreads_online_cpu+0x110/0x110 [ 7.834922] ? kthreads_online_cpu+0x110/0x110 [ 7.834957] ret_from_fork+0x11c/0x140 [ 7.834984] ? kthreads_online_cpu+0x110/0x110 [ 7.835024] ret_from_fork_asm+0x11/0x20 [ 7.835057] [ 7.835079] Modules linked in: [ 7.835117] CR2: 0000000000000000 [ 7.835145] ---[ end trace 0000000000000000 ]--- [ 7.835185] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.835226] 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 [ 7.835382] RSP: 0018:ffffa80fc024fbb8 EFLAGS: 00010046 [ 7.835424] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000c00 [ 7.835473] RDX: ffffa80fc024fbf0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.835535] RBP: ffffa80fc024fbf0 R08: ffff9ad3840e0873 R09: 0000000000000002 [ 7.835595] R10: ffff9ad3beda8840 R11: ffff9ad3840e0090 R12: 0000000000000000 [ 7.835653] R13: ffffa80fc024fce8 R14: 0000000000000020 R15: ffffa80fc024fdf0 [ 7.835721] FS: 0000000000000000(0000) GS:ffff9ad431511000(0000) knlGS:0000000000000000 [ 7.835775] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.835826] CR2: 0000000000000000 CR3: 0000000036046001 CR4: 0000000000772ef0 [ 7.835887] PKRU: 55555554 [ 7.835902] note: kworker/u16:1[66] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr