[ 2.666939] br0: port 1(gw_l) entered blocking state [ 2.667005] br0: port 1(gw_l) entered disabled state [ 2.667053] gw_l: entered allmulticast mode [ 2.667120] gw_l: entered promiscuous mode [ 2.667173] br0: port 1(gw_l) entered blocking state [ 2.667211] br0: port 1(gw_l) entered forwarding state [ 2.719856] br0: port 2(amtg) entered blocking state [ 2.719918] br0: port 2(amtg) entered disabled state [ 2.719952] amtg: entered allmulticast mode [ 2.720010] amtg: entered promiscuous mode [ 2.902150] br0: port 2(amtg) entered blocking state [ 2.902209] br0: port 2(amtg) entered forwarding state [ 3.028099] amtr: entered allmulticast mode [ 3.028212] relay_gw: entered allmulticast mode [ 3.028290] relay_src: entered allmulticast mode [ 21.216758] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 21.216837] #PF: supervisor write access in kernel mode [ 21.216881] #PF: error_code(0x0002) - not-present page [ 21.216926] PGD 0 P4D 0 [ 21.216948] Oops: Oops: 0002 [#1] SMP [ 21.216989] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 21.217061] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 21.217108] Workqueue: netns cleanup_net [ 21.217159] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 21.217205] 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 [ 21.217337] RSP: 0018:ffffbef500067bb8 EFLAGS: 00010046 [ 21.217375] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 21.217433] RDX: ffffbef500067bf0 RSI: 0000000000000000 RDI: 0000000000000000 [ 21.217488] RBP: ffffbef500067bf0 R08: ffff9b87c139e473 R09: 0000000000000002 [ 21.217542] R10: ffff9b87fed28840 R11: ffff9b87c139dc90 R12: 0000000000000000 [ 21.217596] R13: ffffbef500067ce8 R14: 0000000000000020 R15: ffffbef500067df0 [ 21.217652] FS: 0000000000000000(0000) GS:ffff9b885de91000(0000) knlGS:0000000000000000 [ 21.217712] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.217757] CR2: 0000000000000000 CR3: 00000000055b7001 CR4: 0000000000772ef0 [ 21.217812] PKRU: 55555554 [ 21.217833] Call Trace: [ 21.217851] [ 21.217883] __cancel_work+0x29/0xe0 [ 21.217927] ? queue_delayed_work_on+0x54/0x60 [ 21.217965] __cancel_work_sync+0x16/0x80 [ 21.217996] __dev_close_many+0x113/0x2b0 [ 21.218035] netif_close_many+0x98/0x160 [ 21.218068] unregister_netdevice_many_notify+0x1ea/0xaa0 [ 21.218108] ? unregister_netdevice_queue+0x29/0xe0 [ 21.218149] default_device_exit_batch+0x29b/0x300 [ 21.218194] ? mutex_lock+0x12/0x30 [ 21.218231] ops_undo_list+0xec/0x1f0 [ 21.218269] cleanup_net+0x1b7/0x300 [ 21.218303] process_one_work+0x162/0x380 [ 21.218333] worker_thread+0x299/0x3c0 [ 21.218363] ? rescuer_thread+0x4c0/0x4c0 [ 21.218393] kthread+0x101/0x1f0 [ 21.218428] ? kthreads_online_cpu+0x110/0x110 [ 21.218465] ? kthreads_online_cpu+0x110/0x110 [ 21.218503] ret_from_fork+0x11c/0x140 [ 21.218540] ? kthreads_online_cpu+0x110/0x110 [ 21.218586] ret_from_fork_asm+0x11/0x20 [ 21.218620] [ 21.218640] Modules linked in: xt_HL nft_compat nf_tables amt [ 21.218697] CR2: 0000000000000000 [ 21.218728] ---[ end trace 0000000000000000 ]--- [ 21.218766] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 21.218804] 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 [ 21.218935] RSP: 0018:ffffbef500067bb8 EFLAGS: 00010046 [ 21.218972] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 21.219027] RDX: ffffbef500067bf0 RSI: 0000000000000000 RDI: 0000000000000000 [ 21.219081] RBP: ffffbef500067bf0 R08: ffff9b87c139e473 R09: 0000000000000002 [ 21.219136] R10: ffff9b87fed28840 R11: ffff9b87c139dc90 R12: 0000000000000000 [ 21.219193] R13: ffffbef500067ce8 R14: 0000000000000020 R15: ffffbef500067df0 [ 21.219248] FS: 0000000000000000(0000) GS:ffff9b885de91000(0000) knlGS:0000000000000000 [ 21.219306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.219352] CR2: 0000000000000000 CR3: 00000000055b7001 CR4: 0000000000772ef0 [ 21.219407] PKRU: 55555554 [ 21.219432] note: kworker/u16:0[12] exited with irqs disabled