[ 23.695644][ T12] ==================================================================
[ 23.696021][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 23.696325][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 23.696590][ T12]
[ 23.696694][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 23.696701][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.696709][ T12] Workqueue: netns cleanup_net
[ 23.696733][ T12] Call Trace:
[ 23.696739][ T12]
[ 23.696742][ T12] dump_stack_lvl+0x82/0xc0
[ 23.696757][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 23.696762][ T12] kasan_report+0xca/0x100
[ 23.696778][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 23.696783][ T12] kasan_check_range+0x39/0x1b0
[ 23.696788][ T12] try_to_grab_pending+0x81/0x6c0
[ 23.696792][ T12] __cancel_work+0x7c/0x260
[ 23.696796][ T12] ? enable_delayed_work+0x10/0x10
[ 23.696801][ T12] ? qdisc_destroy+0x50/0x50
[ 23.696814][ T12] __cancel_work_sync+0x18/0xc0
[ 23.696819][ T12] __dev_close_many+0x1cf/0x980
[ 23.696825][ T12] ? netdev_notify_peers+0x20/0x20
[ 23.696829][ T12] ? __mutex_lock+0x19f/0x1190
[ 23.696850][ T12] netif_close_many+0x201/0x650
[ 23.696854][ T12] ? ww_mutex_lock+0x160/0x160
[ 23.696858][ T12] ? __dev_close_many+0x980/0x980
[ 23.696861][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 23.696873][ T12] netif_close_many_and_unlock+0x21/0x2a0
[ 23.696877][ T12] unregister_netdevice_many_notify+0xeed/0x1c90
[ 23.696883][ T12] ? default_device_exit_batch+0x80/0x2d0
[ 23.696888][ T12] ? rtnl_is_locked+0x15/0x20
[ 23.696895][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 23.696899][ T12] ? rtnl_is_locked+0x15/0x20
[ 23.696901][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 23.696905][ T12] ? unregister_netdevice_many+0x20/0x20
[ 23.696911][ T12] default_device_exit_batch+0x235/0x2d0
[ 23.696915][ T12] ? unregister_netdev+0x60/0x60
[ 23.696923][ T12] ops_undo_list+0x2bf/0x890
[ 23.696928][ T12] ? rtnl_net_dumpid_one+0x270/0x270
[ 23.696932][ T12] ? cleanup_net+0x2d6/0x8b0
[ 23.696938][ T12] cleanup_net+0x3b2/0x8b0
[ 23.696942][ T12] ? net_passive_dec+0x190/0x190
[ 23.696947][ T12] ? rcu_is_watching+0x12/0xb0
[ 23.696956][ T12] process_one_work+0xe35/0x1650
[ 23.696963][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 23.696969][ T12] ? assign_work+0x168/0x240
[ 23.696974][ T12] worker_thread+0x591/0xcf0
[ 23.696983][ T12] ? rescuer_thread+0xd10/0xd10
[ 23.696989][ T12] kthread+0x37b/0x5f0
[ 23.696998][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.697000][ T12] ? ret_from_fork+0x1b/0x270
[ 23.697013][ T12] ? __lock_release+0x5d/0x170
[ 23.697018][ T12] ? rcu_is_watching+0x12/0xb0
[ 23.697021][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.697025][ T12] ret_from_fork+0x1db/0x270
[ 23.697028][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.697031][ T12] ret_from_fork_asm+0x11/0x20
[ 23.697046][ T12]
[ 23.697048][ T12] ==================================================================
[ 23.706273][ T12] Disabling lock debugging due to kernel taint
[ 23.706511][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 23.706781][ T12] #PF: supervisor write access in kernel mode
[ 23.706993][ T12] #PF: error_code(0x0002) - not-present page
[ 23.707205][ T12] PGD 0 P4D 0
[ 23.707340][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 23.707516][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 23.707896][ T12] Tainted: [B]=BAD_PAGE
[ 23.708034][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.708350][ T12] Workqueue: netns cleanup_net
[ 23.708533][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 23.708759][ 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 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
[ 23.709363][ T12] RSP: 0018:ffffc900000c7630 EFLAGS: 00010046
[ 23.709586][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9ba49b8a
[ 23.709846][ T12] RDX: fffffbfff40ecacd RSI: 0000000000000008 RDI: ffffffffa0765660
[ 23.710215][ T12] RBP: ffffc900000c7698 R08: 0000000000000001 R09: fffffbfff40ecacc
[ 23.710577][ T12] R10: ffffffffa0765667 R11: ffffc900000c7100 R12: 0000000000000000
[ 23.710832][ T12] R13: 0000000000000286 R14: ffff888007ae9000 R15: dffffc0000000000
[ 23.711101][ T12] FS: 0000000000000000(0000) GS:ffff8880cca07000(0000) knlGS:0000000000000000
[ 23.711496][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.711712][ T12] CR2: 0000000000000000 CR3: 0000000053f49002 CR4: 0000000000772ef0
[ 23.711971][ T12] PKRU: 55555554
[ 23.712117][ T12] Call Trace:
[ 23.712240][ T12]
[ 23.712327][ T12] __cancel_work+0x7c/0x260
[ 23.712502][ T12] ? enable_delayed_work+0x10/0x10
[ 23.712772][ T12] ? qdisc_destroy+0x50/0x50
[ 23.712939][ T12] __cancel_work_sync+0x18/0xc0
[ 23.713117][ T12] __dev_close_many+0x1cf/0x980
[ 23.713283][ T12] ? netdev_notify_peers+0x20/0x20
[ 23.713456][ T12] ? __mutex_lock+0x19f/0x1190
[ 23.713633][ T12] netif_close_many+0x201/0x650
[ 23.713802][ T12] ? ww_mutex_lock+0x160/0x160
[ 23.713968][ T12] ? __dev_close_many+0x980/0x980
[ 23.714241][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 23.714410][ T12] netif_close_many_and_unlock+0x21/0x2a0
[ 23.714577][ T12] unregister_netdevice_many_notify+0xeed/0x1c90
[ 23.714785][ T12] ? default_device_exit_batch+0x80/0x2d0
[ 23.715061][ T12] ? rtnl_is_locked+0x15/0x20
[ 23.715272][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 23.715478][ T12] ? rtnl_is_locked+0x15/0x20
[ 23.715686][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 23.716048][ T12] ? unregister_netdevice_many+0x20/0x20
[ 23.716260][ T12] default_device_exit_batch+0x235/0x2d0
[ 23.716481][ T12] ? unregister_netdev+0x60/0x60
[ 23.716688][ T12] ops_undo_list+0x2bf/0x890
[ 23.717006][ T12] ? rtnl_net_dumpid_one+0x270/0x270
[ 23.717211][ T12] ? cleanup_net+0x2d6/0x8b0
[ 23.717422][ T12] cleanup_net+0x3b2/0x8b0
[ 23.717633][ T12] ? net_passive_dec+0x190/0x190
[ 23.718049][ T12] ? rcu_is_watching+0x12/0xb0
[ 23.718259][ T12] process_one_work+0xe35/0x1650
[ 23.718478][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 23.718689][ T12] ? assign_work+0x168/0x240
[ 23.719109][ T12] worker_thread+0x591/0xcf0
[ 23.719327][ T12] ? rescuer_thread+0xd10/0xd10
[ 23.719538][ T12] kthread+0x37b/0x5f0
[ 23.719703][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.719903][ T12] ? ret_from_fork+0x1b/0x270
[ 23.720107][ T12] ? __lock_release+0x5d/0x170
[ 23.720320][ T12] ? rcu_is_watching+0x12/0xb0
[ 23.720532][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.720843][ T12] ret_from_fork+0x1db/0x270
[ 23.721046][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.721259][ T12] ret_from_fork_asm+0x11/0x20
[ 23.721474][ T12]
[ 23.721725][ T12] Modules linked in:
[ 23.721895][ T12] CR2: 0000000000000000
[ 23.722049][ T12] ---[ end trace 0000000000000000 ]---
[ 23.722255][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 23.722715][ 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 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
[ 23.723524][ T12] RSP: 0018:ffffc900000c7630 EFLAGS: 00010046
[ 23.723791][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9ba49b8a
[ 23.724109][ T12] RDX: fffffbfff40ecacd RSI: 0000000000000008 RDI: ffffffffa0765660
[ 23.724420][ T12] RBP: ffffc900000c7698 R08: 0000000000000001 R09: fffffbfff40ecacc
[ 23.724826][ T12] R10: ffffffffa0765667 R11: ffffc900000c7100 R12: 0000000000000000
[ 23.725149][ T12] R13: 0000000000000286 R14: ffff888007ae9000 R15: dffffc0000000000
[ 23.725465][ T12] FS: 0000000000000000(0000) GS:ffff8880cca07000(0000) knlGS:0000000000000000
[ 23.725830][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.726088][ T12] CR2: 0000000000000000 CR3: 0000000053f49002 CR4: 0000000000772ef0
[ 23.726400][ T12] PKRU: 55555554
[ 23.726554][ T12] Kernel panic - not syncing: Fatal exception
[ 23.726920][ T12] Kernel Offset: 0x1a400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 23.727496][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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