[ 19.727969][ T70] ==================================================================
[ 19.728331][ T70] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 19.728642][ T70] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/70
[ 19.728933][ T70]
[ 19.729049][ T70] CPU: 1 UID: 0 PID: 70 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 19.729054][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.729057][ T70] Workqueue: netns cleanup_net
[ 19.729066][ T70] Call Trace:
[ 19.729068][ T70]
[ 19.729071][ T70] dump_stack_lvl+0x82/0xc0
[ 19.729077][ T70] ? try_to_grab_pending+0x81/0x6c0
[ 19.729080][ T70] kasan_report+0xca/0x100
[ 19.729087][ T70] ? try_to_grab_pending+0x81/0x6c0
[ 19.729096][ T70] kasan_check_range+0x39/0x1b0
[ 19.729102][ T70] try_to_grab_pending+0x81/0x6c0
[ 19.729109][ T70] __cancel_work+0x7c/0x260
[ 19.729112][ T70] ? enable_delayed_work+0x10/0x10
[ 19.729121][ T70] ? queue_delayed_work_on+0x6a/0xa0
[ 19.729128][ T70] __cancel_work_sync+0x18/0xc0
[ 19.729134][ T70] __dev_close_many+0x1cf/0x980
[ 19.729138][ T70] ? netdev_notify_peers+0x20/0x20
[ 19.729142][ T70] ? netif_close_many+0x201/0x650
[ 19.729146][ T70] netif_close_many+0x201/0x650
[ 19.729150][ T70] ? __mutex_handoff+0x2b0/0x2b0
[ 19.729155][ T70] ? __dev_close_many+0x980/0x980
[ 19.729159][ T70] ? netif_close_many_and_unlock+0x21/0x2a0
[ 19.729162][ T70] ? trace_contention_end+0xd8/0x140
[ 19.729166][ T70] unregister_netdevice_many_notify+0x30a/0x1c90
[ 19.729170][ T70] ? default_device_exit_batch+0x80/0x2d0
[ 19.729175][ T70] ? mutex_is_locked+0x1c/0x50
[ 19.729178][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 19.729182][ T70] ? rtnl_is_locked+0x15/0x20
[ 19.729185][ T70] ? unregister_netdevice_queue+0x6f/0x410
[ 19.729188][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.729191][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.729197][ T70] default_device_exit_batch+0x235/0x2d0
[ 19.729201][ T70] ? unregister_netdev+0x60/0x60
[ 19.729207][ T70] ops_undo_list+0x2bf/0x890
[ 19.729212][ T70] ? rtnl_net_dumpid_one+0x270/0x270
[ 19.729216][ T70] ? cleanup_net+0x2d6/0x8b0
[ 19.729222][ T70] cleanup_net+0x3b2/0x8b0
[ 19.729226][ T70] ? net_passive_dec+0x190/0x190
[ 19.729231][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.729240][ T70] process_one_work+0xe35/0x1650
[ 19.729246][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 19.729252][ T70] ? assign_work+0x168/0x240
[ 19.729257][ T70] worker_thread+0x591/0xcf0
[ 19.729263][ T70] ? rescuer_thread+0xd10/0xd10
[ 19.729266][ T70] kthread+0x37b/0x5f0
[ 19.729272][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.729274][ T70] ? ret_from_fork+0x1b/0x270
[ 19.729280][ T70] ? __lock_release+0x5d/0x170
[ 19.729284][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.729287][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.729291][ T70] ret_from_fork+0x1db/0x270
[ 19.729293][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.729296][ T70] ret_from_fork_asm+0x11/0x20
[ 19.729305][ T70]
[ 19.729306][ T70] ==================================================================
[ 19.739395][ T70] Disabling lock debugging due to kernel taint
[ 19.739632][ T70] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 19.739894][ T70] #PF: supervisor write access in kernel mode
[ 19.740113][ T70] #PF: error_code(0x0002) - not-present page
[ 19.740337][ T70] PGD 0 P4D 0
[ 19.740472][ T70] Oops: Oops: 0002 [#1] SMP KASAN
[ 19.740659][ T70] CPU: 1 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 19.741084][ T70] Tainted: [B]=BAD_PAGE
[ 19.741240][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.741461][ T70] Workqueue: netns cleanup_net
[ 19.741653][ T70] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 19.741883][ T70] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 1f 93 82 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 19.742539][ T70] RSP: 0000:ffffc900004b7680 EFLAGS: 00010046
[ 19.742765][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaf849b8a
[ 19.743140][ T70] RDX: fffffbfff68acacd RSI: 0000000000000008 RDI: ffffffffb4565660
[ 19.743402][ T70] RBP: ffffc900004b76e8 R08: 0000000000000001 R09: fffffbfff68acacc
[ 19.743666][ T70] R10: ffffffffb4565667 R11: ffffc900004b7140 R12: 0000000000000000
[ 19.744031][ T70] R13: 0000000000000282 R14: ffff88800e609000 R15: dffffc0000000000
[ 19.744309][ T70] FS: 0000000000000000(0000) GS:ffff8880b8b87000(0000) knlGS:0000000000000000
[ 19.744712][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.744937][ T70] CR2: 0000000000000000 CR3: 000000004d749005 CR4: 0000000000772ef0
[ 19.745223][ T70] PKRU: 55555554
[ 19.745359][ T70] Call Trace:
[ 19.745586][ T70]
[ 19.745681][ T70] __cancel_work+0x7c/0x260
[ 19.745862][ T70] ? enable_delayed_work+0x10/0x10
[ 19.746041][ T70] ? queue_delayed_work_on+0x6a/0xa0
[ 19.746229][ T70] __cancel_work_sync+0x18/0xc0
[ 19.746498][ T70] __dev_close_many+0x1cf/0x980
[ 19.746681][ T70] ? netdev_notify_peers+0x20/0x20
[ 19.746860][ T70] ? netif_close_many+0x201/0x650
[ 19.747060][ T70] netif_close_many+0x201/0x650
[ 19.747340][ T70] ? __mutex_handoff+0x2b0/0x2b0
[ 19.747516][ T70] ? __dev_close_many+0x980/0x980
[ 19.747693][ T70] ? netif_close_many_and_unlock+0x21/0x2a0
[ 19.748002][ T70] ? trace_contention_end+0xd8/0x140
[ 19.748194][ T70] unregister_netdevice_many_notify+0x30a/0x1c90
[ 19.748411][ T70] ? default_device_exit_batch+0x80/0x2d0
[ 19.748589][ T70] ? mutex_is_locked+0x1c/0x50
[ 19.748860][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 19.749035][ T70] ? rtnl_is_locked+0x15/0x20
[ 19.749222][ T70] ? unregister_netdevice_queue+0x6f/0x410
[ 19.749439][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.749712][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.749887][ T70] default_device_exit_batch+0x235/0x2d0
[ 19.750065][ T70] ? unregister_netdev+0x60/0x60
[ 19.750254][ T70] ops_undo_list+0x2bf/0x890
[ 19.750526][ T70] ? rtnl_net_dumpid_one+0x270/0x270
[ 19.750700][ T70] ? cleanup_net+0x2d6/0x8b0
[ 19.750881][ T70] cleanup_net+0x3b2/0x8b0
[ 19.751059][ T70] ? net_passive_dec+0x190/0x190
[ 19.751342][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.751522][ T70] process_one_work+0xe35/0x1650
[ 19.751703][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 19.751881][ T70] ? assign_work+0x168/0x240
[ 19.752164][ T70] worker_thread+0x591/0xcf0
[ 19.752341][ T70] ? rescuer_thread+0xd10/0xd10
[ 19.752531][ T70] kthread+0x37b/0x5f0
[ 19.752683][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.752964][ T70] ? ret_from_fork+0x1b/0x270
[ 19.753167][ T70] ? __lock_release+0x5d/0x170
[ 19.753356][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.753544][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.753827][ T70] ret_from_fork+0x1db/0x270
[ 19.754016][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.754214][ T70] ret_from_fork_asm+0x11/0x20
[ 19.754419][ T70]
[ 19.754655][ T70] Modules linked in:
[ 19.754805][ T70] CR2: 0000000000000000
[ 19.754940][ T70] ---[ end trace 0000000000000000 ]---
[ 19.755141][ T70] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 19.755387][ T70] Code: 00 41 89 c0 b8 01 00 00 00 45 85 c0 74 0f 48 83 c4 10 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 08 00 00 00 48 89 df e8 1f 93 82 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 19.756168][ T70] RSP: 0000:ffffc900004b7680 EFLAGS: 00010046
[ 19.756494][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaf849b8a
[ 19.756777][ T70] RDX: fffffbfff68acacd RSI: 0000000000000008 RDI: ffffffffb4565660
[ 19.757050][ T70] RBP: ffffc900004b76e8 R08: 0000000000000001 R09: fffffbfff68acacc
[ 19.757447][ T70] R10: ffffffffb4565667 R11: ffffc900004b7140 R12: 0000000000000000
[ 19.757731][ T70] R13: 0000000000000282 R14: ffff88800e609000 R15: dffffc0000000000
[ 19.758014][ T70] FS: 0000000000000000(0000) GS:ffff8880b8b87000(0000) knlGS:0000000000000000
[ 19.758340][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.758580][ T70] CR2: 0000000000000000 CR3: 000000004d749005 CR4: 0000000000772ef0
[ 19.758944][ T70] PKRU: 55555554
[ 19.759081][ T70] Kernel panic - not syncing: Fatal exception
[ 19.759411][ T70] Kernel Offset: 0x2e200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 19.759919][ T70] ---[ end Kernel panic - not syncing: Fatal exception ]---
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