[ 19.593527][ T70] ==================================================================
[ 19.593929][ T70] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 19.594341][ T70] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/70
[ 19.594742][ T70]
[ 19.594891][ T70] CPU: 1 UID: 0 PID: 70 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 19.594899][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.594903][ T70] Workqueue: netns cleanup_net
[ 19.594916][ T70] Call Trace:
[ 19.594922][ T70]
[ 19.594926][ T70] dump_stack_lvl+0x82/0xc0
[ 19.594935][ T70] ? try_to_grab_pending+0x81/0x6c0
[ 19.594940][ T70] kasan_report+0xca/0x100
[ 19.594950][ T70] ? try_to_grab_pending+0x81/0x6c0
[ 19.594959][ T70] kasan_check_range+0x39/0x1b0
[ 19.594966][ T70] try_to_grab_pending+0x81/0x6c0
[ 19.594970][ T70] ? irqentry_exit+0x3b/0x80
[ 19.594977][ T70] __cancel_work+0x7c/0x260
[ 19.594980][ T70] ? enable_delayed_work+0x10/0x10
[ 19.594986][ T70] ? queue_delayed_work_on+0x53/0xa0
[ 19.594990][ T70] __cancel_work_sync+0x18/0xc0
[ 19.594994][ T70] __dev_close_many+0x1cf/0x980
[ 19.594999][ T70] ? netdev_notify_peers+0x20/0x20
[ 19.595002][ T70] ? netif_close_many+0x201/0x650
[ 19.595006][ T70] netif_close_many+0x201/0x650
[ 19.595009][ T70] ? __mutex_handoff+0x2b0/0x2b0
[ 19.595014][ T70] ? __dev_close_many+0x980/0x980
[ 19.595017][ T70] ? netif_close_many_and_unlock+0x21/0x2a0
[ 19.595020][ T70] ? trace_contention_end+0xd8/0x140
[ 19.595024][ T70] unregister_netdevice_many_notify+0x30a/0x1c90
[ 19.595028][ T70] ? default_device_exit_batch+0x80/0x2d0
[ 19.595033][ T70] ? mutex_is_locked+0x1c/0x50
[ 19.595036][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 19.595039][ T70] ? rtnl_is_locked+0x15/0x20
[ 19.595042][ T70] ? unregister_netdevice_queue+0x6f/0x410
[ 19.595045][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.595048][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.595054][ T70] default_device_exit_batch+0x235/0x2d0
[ 19.595058][ T70] ? unregister_netdev+0x60/0x60
[ 19.595064][ T70] ops_undo_list+0x2bf/0x890
[ 19.595069][ T70] ? rtnl_net_dumpid_one+0x270/0x270
[ 19.595072][ T70] ? cleanup_net+0x2d6/0x8b0
[ 19.595078][ T70] cleanup_net+0x3b2/0x8b0
[ 19.595082][ T70] ? net_passive_dec+0x190/0x190
[ 19.595087][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.595093][ T70] process_one_work+0xe35/0x1650
[ 19.595100][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 19.595105][ T70] ? assign_work+0x168/0x240
[ 19.595110][ T70] worker_thread+0x591/0xcf0
[ 19.595115][ T70] ? rescuer_thread+0xd10/0xd10
[ 19.595119][ T70] kthread+0x37b/0x5f0
[ 19.595124][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.595127][ T70] ? ret_from_fork+0x1b/0x270
[ 19.595131][ T70] ? __lock_release+0x5d/0x170
[ 19.595134][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.595137][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.595141][ T70] ret_from_fork+0x1db/0x270
[ 19.595143][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.595146][ T70] ret_from_fork_asm+0x11/0x20
[ 19.595155][ T70]
[ 19.595156][ T70] ==================================================================
[ 19.610094][ T70] Disabling lock debugging due to kernel taint
[ 19.610437][ T70] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 19.610815][ T70] #PF: supervisor write access in kernel mode
[ 19.611128][ T70] #PF: error_code(0x0002) - not-present page
[ 19.611452][ T70] PGD 0 P4D 0
[ 19.611654][ T70] Oops: Oops: 0002 [#1] SMP KASAN
[ 19.611926][ T70] CPU: 1 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 19.612541][ T70] Tainted: [B]=BAD_PAGE
[ 19.612746][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.613074][ T70] Workqueue: netns cleanup_net
[ 19.613354][ T70] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 19.613696][ 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
[ 19.614621][ T70] RSP: 0018:ffffc900004b7680 EFLAGS: 00010046
[ 19.614955][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8a049b8a
[ 19.615353][ T70] RDX: fffffbfff1dacacd RSI: 0000000000000008 RDI: ffffffff8ed65660
[ 19.615746][ T70] RBP: ffffc900004b76e8 R08: 0000000000000001 R09: fffffbfff1dacacc
[ 19.616131][ T70] R10: ffffffff8ed65667 R11: ffffc900004b7140 R12: 0000000000000000
[ 19.616516][ T70] R13: 0000000000000282 R14: ffff88800c5a1000 R15: dffffc0000000000
[ 19.616908][ T70] FS: 0000000000000000(0000) GS:ffff8880de387000(0000) knlGS:0000000000000000
[ 19.617366][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.617695][ T70] CR2: 0000000000000000 CR3: 0000000015749006 CR4: 0000000000772ef0
[ 19.618089][ T70] PKRU: 55555554
[ 19.618328][ T70] Call Trace:
[ 19.618522][ T70]
[ 19.618676][ T70] ? irqentry_exit+0x3b/0x80
[ 19.618955][ T70] __cancel_work+0x7c/0x260
[ 19.619224][ T70] ? enable_delayed_work+0x10/0x10
[ 19.619489][ T70] ? queue_delayed_work_on+0x53/0xa0
[ 19.619752][ T70] __cancel_work_sync+0x18/0xc0
[ 19.620013][ T70] __dev_close_many+0x1cf/0x980
[ 19.620277][ T70] ? netdev_notify_peers+0x20/0x20
[ 19.620536][ T70] ? netif_close_many+0x201/0x650
[ 19.620800][ T70] netif_close_many+0x201/0x650
[ 19.621058][ T70] ? __mutex_handoff+0x2b0/0x2b0
[ 19.621346][ T70] ? __dev_close_many+0x980/0x980
[ 19.621603][ T70] ? netif_close_many_and_unlock+0x21/0x2a0
[ 19.621923][ T70] ? trace_contention_end+0xd8/0x140
[ 19.622360][ T70] unregister_netdevice_many_notify+0x30a/0x1c90
[ 19.622672][ T70] ? default_device_exit_batch+0x80/0x2d0
[ 19.622939][ T70] ? mutex_is_locked+0x1c/0x50
[ 19.623196][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 19.623574][ T70] ? rtnl_is_locked+0x15/0x20
[ 19.623830][ T70] ? unregister_netdevice_queue+0x6f/0x410
[ 19.624147][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.624576][ T70] ? unregister_netdevice_many+0x20/0x20
[ 19.624847][ T70] default_device_exit_batch+0x235/0x2d0
[ 19.625111][ T70] ? unregister_netdev+0x60/0x60
[ 19.625377][ T70] ops_undo_list+0x2bf/0x890
[ 19.625813][ T70] ? rtnl_net_dumpid_one+0x270/0x270
[ 19.626034][ T70] ? cleanup_net+0x2d6/0x8b0
[ 19.626296][ T70] cleanup_net+0x3b2/0x8b0
[ 19.626556][ T70] ? net_passive_dec+0x190/0x190
[ 19.626951][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.627195][ T70] process_one_work+0xe35/0x1650
[ 19.627475][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 19.627735][ T70] ? assign_work+0x168/0x240
[ 19.628174][ T70] worker_thread+0x591/0xcf0
[ 19.628412][ T70] ? rescuer_thread+0xd10/0xd10
[ 19.628675][ T70] kthread+0x37b/0x5f0
[ 19.628874][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.629134][ T70] ? ret_from_fork+0x1b/0x270
[ 19.629511][ T70] ? __lock_release+0x5d/0x170
[ 19.629772][ T70] ? rcu_is_watching+0x12/0xb0
[ 19.630031][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.630287][ T70] ret_from_fork+0x1db/0x270
[ 19.630714][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.630971][ T70] ret_from_fork_asm+0x11/0x20
[ 19.631235][ T70]
[ 19.631430][ T70] Modules linked in:
[ 19.631801][ T70] CR2: 0000000000000000
[ 19.632006][ T70] ---[ end trace 0000000000000000 ]---
[ 19.632268][ T70] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 19.632599][ 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
[ 19.633677][ T70] RSP: 0018:ffffc900004b7680 EFLAGS: 00010046
[ 19.634139][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8a049b8a
[ 19.634501][ T70] RDX: fffffbfff1dacacd RSI: 0000000000000008 RDI: ffffffff8ed65660
[ 19.634886][ T70] RBP: ffffc900004b76e8 R08: 0000000000000001 R09: fffffbfff1dacacc
[ 19.635424][ T70] R10: ffffffff8ed65667 R11: ffffc900004b7140 R12: 0000000000000000
[ 19.635830][ T70] R13: 0000000000000282 R14: ffff88800c5a1000 R15: dffffc0000000000
[ 19.636219][ T70] FS: 0000000000000000(0000) GS:ffff8880de387000(0000) knlGS:0000000000000000
[ 19.636838][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.637160][ T70] CR2: 0000000000000000 CR3: 0000000015749006 CR4: 0000000000772ef0
[ 19.637544][ T70] PKRU: 55555554
[ 19.637743][ T70] Kernel panic - not syncing: Fatal exception
[ 19.638149][ T70] Kernel Offset: 0x8a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 19.638702][ T70] ---[ end Kernel panic - not syncing: Fatal exception ]---
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