[ 18.745015][ T12] ==================================================================
[ 18.745354][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 18.745659][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 18.745929][ T12]
[ 18.746020][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.746025][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.746028][ T12] Workqueue: netns cleanup_net
[ 18.746039][ T12] Call Trace:
[ 18.746042][ T12]
[ 18.746046][ T12] dump_stack_lvl+0x82/0xc0
[ 18.746054][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 18.746057][ T12] kasan_report+0xca/0x100
[ 18.746066][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 18.746071][ T12] kasan_check_range+0x39/0x1b0
[ 18.746074][ T12] try_to_grab_pending+0x81/0x6c0
[ 18.746077][ T12] ? irqentry_exit+0x3b/0x80
[ 18.746083][ T12] __cancel_work+0x7c/0x260
[ 18.746086][ T12] ? enable_delayed_work+0x10/0x10
[ 18.746091][ T12] ? queue_delayed_work_on+0x53/0xa0
[ 18.746095][ T12] __cancel_work_sync+0x18/0xc0
[ 18.746099][ T12] __dev_close_many+0x1ce/0x810
[ 18.746106][ T12] ? netdev_notify_peers+0x20/0x20
[ 18.746109][ T12] ? netif_close_many+0x201/0x650
[ 18.746114][ T12] netif_close_many+0x201/0x650
[ 18.746116][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 18.746122][ T12] ? __dev_close_many+0x810/0x810
[ 18.746126][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.746130][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.746136][ T12] ? find_held_lock+0x2b/0x80
[ 18.746142][ T12] ? mutex_is_locked+0x1c/0x50
[ 18.746145][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 18.746148][ T12] ? rtnl_is_locked+0x15/0x20
[ 18.746151][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 18.746154][ T12] ? unregister_netdevice_many+0x20/0x20
[ 18.746158][ T12] ? unregister_netdevice_many+0x20/0x20
[ 18.746164][ T12] default_device_exit_batch+0x235/0x2d0
[ 18.746168][ T12] ? unregister_netdev+0x60/0x60
[ 18.746174][ T12] ops_undo_list+0x2bf/0x890
[ 18.746179][ T12] ? netns_get+0x110/0x110
[ 18.746181][ T12] ? cleanup_net+0x2d6/0x830
[ 18.746186][ T12] cleanup_net+0x3b2/0x830
[ 18.746189][ T12] ? net_passive_dec+0x190/0x190
[ 18.746192][ T12] ? rcu_is_watching+0x12/0xb0
[ 18.746199][ T12] process_one_work+0xe35/0x1650
[ 18.746205][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 18.746210][ T12] ? assign_work+0x168/0x240
[ 18.746214][ T12] worker_thread+0x591/0xcf0
[ 18.746220][ T12] ? rescuer_thread+0xd10/0xd10
[ 18.746223][ T12] kthread+0x37b/0x5f0
[ 18.746227][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 18.746229][ T12] ? ret_from_fork+0x1b/0x270
[ 18.746238][ T12] ? __lock_release+0x5d/0x170
[ 18.746241][ T12] ? rcu_is_watching+0x12/0xb0
[ 18.746244][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 18.746248][ T12] ret_from_fork+0x1db/0x270
[ 18.746251][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 18.746253][ T12] ret_from_fork_asm+0x11/0x20
[ 18.746263][ T12]
[ 18.746264][ T12] ==================================================================
[ 18.756165][ T12] Disabling lock debugging due to kernel taint
[ 18.756387][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 18.756664][ T12] #PF: supervisor write access in kernel mode
[ 18.756886][ T12] #PF: error_code(0x0002) - not-present page
[ 18.757100][ T12] PGD 0 P4D 0
[ 18.757227][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 18.757400][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 18.757812][ T12] Tainted: [B]=BAD_PAGE
[ 18.757960][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 18.758179][ T12] Workqueue: netns cleanup_net
[ 18.758365][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.758580][ T12] 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
[ 18.759227][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 18.759440][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff86e3f90a
[ 18.759705][ T12] RDX: fffffbfff160b6cd RSI: 0000000000000008 RDI: ffffffff8b05b660
[ 18.759963][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff160b6cc
[ 18.760234][ T12] R10: ffffffff8b05b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 18.760487][ T12] R13: 0000000000000286 R14: ffff888004c21000 R15: dffffc0000000000
[ 18.760757][ T12] FS: 0000000000000000(0000) GS:ffff8880ab210000(0000) knlGS:0000000000000000
[ 18.761068][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.761290][ T12] CR2: 0000000000000000 CR3: 0000000004d28006 CR4: 0000000000772ef0
[ 18.761558][ T12] PKRU: 55555554
[ 18.761715][ T12] Call Trace:
[ 18.761837][ T12]
[ 18.761929][ T12] ? irqentry_exit+0x3b/0x80
[ 18.762109][ T12] __cancel_work+0x7c/0x260
[ 18.762269][ T12] ? enable_delayed_work+0x10/0x10
[ 18.762440][ T12] ? queue_delayed_work_on+0x53/0xa0
[ 18.762612][ T12] __cancel_work_sync+0x18/0xc0
[ 18.762793][ T12] __dev_close_many+0x1ce/0x810
[ 18.762965][ T12] ? netdev_notify_peers+0x20/0x20
[ 18.763138][ T12] ? netif_close_many+0x201/0x650
[ 18.763298][ T12] netif_close_many+0x201/0x650
[ 18.763483][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 18.763715][ T12] ? __dev_close_many+0x810/0x810
[ 18.763891][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 18.764126][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 18.764332][ T12] ? find_held_lock+0x2b/0x80
[ 18.764494][ T12] ? mutex_is_locked+0x1c/0x50
[ 18.764712][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 18.764876][ T12] ? rtnl_is_locked+0x15/0x20
[ 18.765056][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 18.765274][ T12] ? unregister_netdevice_many+0x20/0x20
[ 18.765448][ T12] ? unregister_netdevice_many+0x20/0x20
[ 18.765640][ T12] default_device_exit_batch+0x235/0x2d0
[ 18.765846][ T12] ? unregister_netdev+0x60/0x60
[ 18.766027][ T12] ops_undo_list+0x2bf/0x890
[ 18.766211][ T12] ? netns_get+0x110/0x110
[ 18.766388][ T12] ? cleanup_net+0x2d6/0x830
[ 18.766546][ T12] cleanup_net+0x3b2/0x830
[ 18.766743][ T12] ? net_passive_dec+0x190/0x190
[ 18.766903][ T12] ? rcu_is_watching+0x12/0xb0
[ 18.767096][ T12] process_one_work+0xe35/0x1650
[ 18.767262][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 18.767433][ T12] ? assign_work+0x168/0x240
[ 18.767598][ T12] worker_thread+0x591/0xcf0
[ 18.767784][ T12] ? rescuer_thread+0xd10/0xd10
[ 18.767948][ T12] kthread+0x37b/0x5f0
[ 18.768088][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 18.768244][ T12] ? ret_from_fork+0x1b/0x270
[ 18.768420][ T12] ? __lock_release+0x5d/0x170
[ 18.768601][ T12] ? rcu_is_watching+0x12/0xb0
[ 18.768780][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 18.768944][ T12] ret_from_fork+0x1db/0x270
[ 18.769118][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 18.769274][ T12] ret_from_fork_asm+0x11/0x20
[ 18.769462][ T12]
[ 18.769594][ T12] Modules linked in: veth
[ 18.769746][ T12] CR2: 0000000000000000
[ 18.769868][ T12] ---[ end trace 0000000000000000 ]---
[ 18.770052][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 18.770289][ T12] 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
[ 18.770892][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 18.771127][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff86e3f90a
[ 18.771372][ T12] RDX: fffffbfff160b6cd RSI: 0000000000000008 RDI: ffffffff8b05b660
[ 18.771613][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff160b6cc
[ 18.771886][ T12] R10: ffffffff8b05b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 18.772155][ T12] R13: 0000000000000286 R14: ffff888004c21000 R15: dffffc0000000000
[ 18.772421][ T12] FS: 0000000000000000(0000) GS:ffff8880ab210000(0000) knlGS:0000000000000000
[ 18.772738][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.772954][ T12] CR2: 0000000000000000 CR3: 0000000004d28006 CR4: 0000000000772ef0
[ 18.773207][ T12] PKRU: 55555554
[ 18.773336][ T12] Kernel panic - not syncing: Fatal exception
[ 18.773618][ T12] Kernel Offset: 0x5800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 18.774027][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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