[ 78.528895][ T69] ==================================================================
[ 78.529265][ T69] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 78.529583][ T69] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/69
[ 78.529858][ T69]
[ 78.529979][ T69] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 78.529986][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 78.529989][ T69] Workqueue: netns cleanup_net
[ 78.530010][ T69] Call Trace:
[ 78.530017][ T69]
[ 78.530019][ T69] dump_stack_lvl+0x82/0xc0
[ 78.530039][ T69] ? try_to_grab_pending+0x81/0x6c0
[ 78.530042][ T69] kasan_report+0xca/0x100
[ 78.530059][ T69] ? try_to_grab_pending+0x81/0x6c0
[ 78.530064][ T69] kasan_check_range+0x39/0x1b0
[ 78.530067][ T69] try_to_grab_pending+0x81/0x6c0
[ 78.530072][ T69] __cancel_work+0x7c/0x260
[ 78.530075][ T69] ? enable_delayed_work+0x10/0x10
[ 78.530080][ T69] ? queue_delayed_work_on+0x6a/0xa0
[ 78.530084][ T69] __cancel_work_sync+0x18/0xc0
[ 78.530088][ T69] __dev_close_many+0x1ce/0x810
[ 78.530095][ T69] ? netdev_notify_peers+0x20/0x20
[ 78.530098][ T69] ? netif_close_many+0x201/0x650
[ 78.530103][ T69] netif_close_many+0x201/0x650
[ 78.530106][ T69] ? __mutex_handoff+0x2b0/0x2b0
[ 78.530113][ T69] ? __dev_close_many+0x810/0x810
[ 78.530117][ T69] ? netif_close_many_and_unlock+0x21/0x2a0
[ 78.530123][ T69] unregister_netdevice_many_notify+0x305/0x1b30
[ 78.530130][ T69] ? find_held_lock+0x2b/0x80
[ 78.530137][ T69] ? mutex_is_locked+0x1c/0x50
[ 78.530140][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 78.530146][ T69] ? rtnl_is_locked+0x15/0x20
[ 78.530149][ T69] ? unregister_netdevice_queue+0x6f/0x410
[ 78.530152][ T69] ? unregister_netdevice_many+0x20/0x20
[ 78.530156][ T69] ? unregister_netdevice_many+0x20/0x20
[ 78.530163][ T69] default_device_exit_batch+0x235/0x2d0
[ 78.530167][ T69] ? unregister_netdev+0x60/0x60
[ 78.530173][ T69] ops_undo_list+0x2bf/0x890
[ 78.530177][ T69] ? netns_get+0x110/0x110
[ 78.530179][ T69] ? cleanup_net+0x2d6/0x830
[ 78.530184][ T69] cleanup_net+0x3b2/0x830
[ 78.530187][ T69] ? net_passive_dec+0x190/0x190
[ 78.530191][ T69] ? rcu_is_watching+0x12/0xb0
[ 78.530201][ T69] process_one_work+0xe35/0x1650
[ 78.530207][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 78.530212][ T69] ? assign_work+0x168/0x240
[ 78.530216][ T69] worker_thread+0x591/0xcf0
[ 78.530221][ T69] ? rescuer_thread+0xd10/0xd10
[ 78.530224][ T69] kthread+0x37b/0x5f0
[ 78.530230][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 78.530232][ T69] ? ret_from_fork+0x1b/0x270
[ 78.530252][ T69] ? __lock_release+0x5d/0x170
[ 78.530256][ T69] ? rcu_is_watching+0x12/0xb0
[ 78.530259][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 78.530262][ T69] ret_from_fork+0x1db/0x270
[ 78.530265][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 78.530268][ T69] ret_from_fork_asm+0x11/0x20
[ 78.530283][ T69]
[ 78.530284][ T69] ==================================================================
[ 78.539881][ T69] Disabling lock debugging due to kernel taint
[ 78.540125][ T69] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 78.540378][ T69] #PF: supervisor write access in kernel mode
[ 78.540593][ T69] #PF: error_code(0x0002) - not-present page
[ 78.540804][ T69] PGD 0 P4D 0
[ 78.540963][ T69] Oops: Oops: 0002 [#1] SMP KASAN
[ 78.541143][ T69] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 78.541533][ T69] Tainted: [B]=BAD_PAGE
[ 78.541669][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 78.541887][ T69] Workqueue: netns cleanup_net
[ 78.542080][ T69] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 78.542298][ T69] 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 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 78.542920][ T69] RSP: 0018:ffffc900004a7690 EFLAGS: 00010046
[ 78.543146][ T69] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb523f90a
[ 78.543402][ T69] RDX: fffffbfff728b6cd RSI: 0000000000000008 RDI: ffffffffb945b660
[ 78.543669][ T69] RBP: ffffc900004a76f8 R08: 0000000000000001 R09: fffffbfff728b6cc
[ 78.543954][ T69] R10: ffffffffb945b667 R11: ffffc900004a7180 R12: 0000000000000000
[ 78.544217][ T69] R13: 0000000000000286 R14: ffff88800be54000 R15: dffffc0000000000
[ 78.544476][ T69] FS: 0000000000000000(0000) GS:ffff888077310000(0000) knlGS:0000000000000000
[ 78.544784][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.545020][ T69] CR2: 0000000000000000 CR3: 0000000034735003 CR4: 0000000000772ef0
[ 78.545277][ T69] PKRU: 55555554
[ 78.545408][ T69] Call Trace:
[ 78.545543][ T69]
[ 78.545643][ T69] __cancel_work+0x7c/0x260
[ 78.545819][ T69] ? enable_delayed_work+0x10/0x10
[ 78.546009][ T69] ? queue_delayed_work_on+0x6a/0xa0
[ 78.546180][ T69] __cancel_work_sync+0x18/0xc0
[ 78.546349][ T69] __dev_close_many+0x1ce/0x810
[ 78.546527][ T69] ? netdev_notify_peers+0x20/0x20
[ 78.546700][ T69] ? netif_close_many+0x201/0x650
[ 78.546875][ T69] netif_close_many+0x201/0x650
[ 78.547058][ T69] ? __mutex_handoff+0x2b0/0x2b0
[ 78.547228][ T69] ? __dev_close_many+0x810/0x810
[ 78.547399][ T69] ? netif_close_many_and_unlock+0x21/0x2a0
[ 78.547618][ T69] unregister_netdevice_many_notify+0x305/0x1b30
[ 78.547832][ T69] ? find_held_lock+0x2b/0x80
[ 78.548026][ T69] ? mutex_is_locked+0x1c/0x50
[ 78.548196][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 78.548366][ T69] ? rtnl_is_locked+0x15/0x20
[ 78.548541][ T69] ? unregister_netdevice_queue+0x6f/0x410
[ 78.548754][ T69] ? unregister_netdevice_many+0x20/0x20
[ 78.548938][ T69] ? unregister_netdevice_many+0x20/0x20
[ 78.549117][ T69] default_device_exit_batch+0x235/0x2d0
[ 78.549286][ T69] ? unregister_netdev+0x60/0x60
[ 78.549458][ T69] ops_undo_list+0x2bf/0x890
[ 78.549633][ T69] ? netns_get+0x110/0x110
[ 78.549803][ T69] ? cleanup_net+0x2d6/0x830
[ 78.549992][ T69] cleanup_net+0x3b2/0x830
[ 78.550164][ T69] ? net_passive_dec+0x190/0x190
[ 78.550336][ T69] ? rcu_is_watching+0x12/0xb0
[ 78.550516][ T69] process_one_work+0xe35/0x1650
[ 78.550689][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 78.550869][ T69] ? assign_work+0x168/0x240
[ 78.551051][ T69] worker_thread+0x591/0xcf0
[ 78.551225][ T69] ? rescuer_thread+0xd10/0xd10
[ 78.551397][ T69] kthread+0x37b/0x5f0
[ 78.551535][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 78.551705][ T69] ? ret_from_fork+0x1b/0x270
[ 78.551883][ T69] ? __lock_release+0x5d/0x170
[ 78.552067][ T69] ? rcu_is_watching+0x12/0xb0
[ 78.552238][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 78.552406][ T69] ret_from_fork+0x1db/0x270
[ 78.552583][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 78.552753][ T69] ret_from_fork_asm+0x11/0x20
[ 78.552945][ T69]
[ 78.553073][ T69] Modules linked in: veth
[ 78.553216][ T69] CR2: 0000000000000000
[ 78.553342][ T69] ---[ end trace 0000000000000000 ]---
[ 78.553523][ T69] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 78.553739][ T69] 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 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 78.554389][ T69] RSP: 0018:ffffc900004a7690 EFLAGS: 00010046
[ 78.554610][ T69] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb523f90a
[ 78.554870][ T69] RDX: fffffbfff728b6cd RSI: 0000000000000008 RDI: ffffffffb945b660
[ 78.555141][ T69] RBP: ffffc900004a76f8 R08: 0000000000000001 R09: fffffbfff728b6cc
[ 78.555398][ T69] R10: ffffffffb945b667 R11: ffffc900004a7180 R12: 0000000000000000
[ 78.555674][ T69] R13: 0000000000000286 R14: ffff88800be54000 R15: dffffc0000000000
[ 78.555949][ T69] FS: 0000000000000000(0000) GS:ffff888077310000(0000) knlGS:0000000000000000
[ 78.556253][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 78.556465][ T69] CR2: 0000000000000000 CR3: 0000000034735003 CR4: 0000000000772ef0
[ 78.556730][ T69] PKRU: 55555554
[ 78.556860][ T69] Kernel panic - not syncing: Fatal exception
[ 78.557175][ T69] Kernel Offset: 0x33c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 78.557587][ T69] ---[ end Kernel panic - not syncing: Fatal exception ]---
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