[ 23.904521][ T71] ==================================================================
[ 23.904843][ T71] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 23.905130][ T71] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/71
[ 23.905435][ T71]
[ 23.905545][ T71] CPU: 1 UID: 0 PID: 71 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 23.905550][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.905553][ T71] Workqueue: netns cleanup_net
[ 23.905565][ T71] Call Trace:
[ 23.905569][ T71]
[ 23.905572][ T71] dump_stack_lvl+0x82/0xc0
[ 23.905580][ T71] ? try_to_grab_pending+0x81/0x6c0
[ 23.905584][ T71] kasan_report+0xca/0x100
[ 23.905592][ T71] ? try_to_grab_pending+0x81/0x6c0
[ 23.905598][ T71] kasan_check_range+0x39/0x1b0
[ 23.905603][ T71] try_to_grab_pending+0x81/0x6c0
[ 23.905611][ T71] __cancel_work+0x7c/0x260
[ 23.905616][ T71] ? enable_delayed_work+0x10/0x10
[ 23.905623][ T71] ? queue_delayed_work_on+0x6a/0xa0
[ 23.905628][ T71] __cancel_work_sync+0x18/0xc0
[ 23.905632][ T71] __dev_close_many+0x1cf/0x980
[ 23.905638][ T71] ? netdev_notify_peers+0x20/0x20
[ 23.905642][ T71] ? netif_close_many+0x201/0x650
[ 23.905646][ T71] netif_close_many+0x201/0x650
[ 23.905649][ T71] ? __mutex_handoff+0x2b0/0x2b0
[ 23.905656][ T71] ? __dev_close_many+0x980/0x980
[ 23.905659][ T71] ? netif_close_many_and_unlock+0x21/0x2a0
[ 23.905662][ T71] ? trace_contention_end+0xd8/0x140
[ 23.905667][ T71] unregister_netdevice_many_notify+0x30a/0x1c90
[ 23.905671][ T71] ? default_device_exit_batch+0x80/0x2d0
[ 23.905676][ T71] ? mutex_is_locked+0x1c/0x50
[ 23.905680][ T71] ? dev_ingress_queue_create+0x190/0x190
[ 23.905683][ T71] ? rtnl_is_locked+0x15/0x20
[ 23.905688][ T71] ? unregister_netdevice_queue+0x6f/0x410
[ 23.905691][ T71] ? unregister_netdevice_many+0x20/0x20
[ 23.905694][ T71] ? unregister_netdevice_many+0x20/0x20
[ 23.905700][ T71] default_device_exit_batch+0x235/0x2d0
[ 23.905704][ T71] ? unregister_netdev+0x60/0x60
[ 23.905710][ T71] ops_undo_list+0x2bf/0x890
[ 23.905716][ T71] ? rtnl_net_dumpid_one+0x270/0x270
[ 23.905719][ T71] ? cleanup_net+0x2d6/0x8b0
[ 23.905725][ T71] cleanup_net+0x3b2/0x8b0
[ 23.905729][ T71] ? net_passive_dec+0x190/0x190
[ 23.905734][ T71] ? rcu_is_watching+0x12/0xb0
[ 23.905744][ T71] process_one_work+0xe35/0x1650
[ 23.905751][ T71] ? pwq_dec_nr_in_flight+0x550/0x550
[ 23.905756][ T71] ? assign_work+0x168/0x240
[ 23.905761][ T71] worker_thread+0x591/0xcf0
[ 23.905767][ T71] ? rescuer_thread+0xd10/0xd10
[ 23.905770][ T71] kthread+0x37b/0x5f0
[ 23.905776][ T71] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.905779][ T71] ? ret_from_fork+0x1b/0x270
[ 23.905786][ T71] ? __lock_release+0x5d/0x170
[ 23.905790][ T71] ? rcu_is_watching+0x12/0xb0
[ 23.905793][ T71] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.905797][ T71] ret_from_fork+0x1db/0x270
[ 23.905800][ T71] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.905803][ T71] ret_from_fork_asm+0x11/0x20
[ 23.905813][ T71]
[ 23.905814][ T71] ==================================================================
[ 23.915649][ T71] Disabling lock debugging due to kernel taint
[ 23.915870][ T71] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 23.916130][ T71] #PF: supervisor write access in kernel mode
[ 23.916347][ T71] #PF: error_code(0x0002) - not-present page
[ 23.916552][ T71] PGD 0 P4D 0
[ 23.916683][ T71] Oops: Oops: 0002 [#1] SMP KASAN
[ 23.916857][ T71] CPU: 1 UID: 0 PID: 71 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 23.917353][ T71] Tainted: [B]=BAD_PAGE
[ 23.917484][ T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 23.917697][ T71] Workqueue: netns cleanup_net
[ 23.917973][ T71] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 23.918193][ T71] 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
[ 23.918902][ T71] RSP: 0018:ffffc900004c7680 EFLAGS: 00010046
[ 23.919129][ T71] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb8a49b8a
[ 23.919486][ T71] RDX: fffffbfff7aecacd RSI: 0000000000000008 RDI: ffffffffbd765660
[ 23.919762][ T71] RBP: ffffc900004c76e8 R08: 0000000000000001 R09: fffffbfff7aecacc
[ 23.920007][ T71] R10: ffffffffbd765667 R11: ffffc900004c7140 R12: 0000000000000000
[ 23.920376][ T71] R13: 0000000000000282 R14: ffff88800b914000 R15: dffffc0000000000
[ 23.920630][ T71] FS: 0000000000000000(0000) GS:ffff8880a9587000(0000) knlGS:0000000000000000
[ 23.921007][ T71] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.921222][ T71] CR2: 0000000000000000 CR3: 000000006b349002 CR4: 0000000000772ef0
[ 23.921474][ T71] PKRU: 55555554
[ 23.921617][ T71] Call Trace:
[ 23.921838][ T71]
[ 23.921934][ T71] __cancel_work+0x7c/0x260
[ 23.922110][ T71] ? enable_delayed_work+0x10/0x10
[ 23.922281][ T71] ? queue_delayed_work_on+0x6a/0xa0
[ 23.922446][ T71] __cancel_work_sync+0x18/0xc0
[ 23.922705][ T71] __dev_close_many+0x1cf/0x980
[ 23.922869][ T71] ? netdev_notify_peers+0x20/0x20
[ 23.923064][ T71] ? netif_close_many+0x201/0x650
[ 23.923239][ T71] netif_close_many+0x201/0x650
[ 23.923497][ T71] ? __mutex_handoff+0x2b0/0x2b0
[ 23.923664][ T71] ? __dev_close_many+0x980/0x980
[ 23.923825][ T71] ? netif_close_many_and_unlock+0x21/0x2a0
[ 23.924161][ T71] ? trace_contention_end+0xd8/0x140
[ 23.924340][ T71] unregister_netdevice_many_notify+0x30a/0x1c90
[ 23.924609][ T71] ? default_device_exit_batch+0x80/0x2d0
[ 23.924785][ T71] ? mutex_is_locked+0x1c/0x50
[ 23.925048][ T71] ? dev_ingress_queue_create+0x190/0x190
[ 23.925232][ T71] ? rtnl_is_locked+0x15/0x20
[ 23.925424][ T71] ? unregister_netdevice_queue+0x6f/0x410
[ 23.925634][ T71] ? unregister_netdevice_many+0x20/0x20
[ 23.925902][ T71] ? unregister_netdevice_many+0x20/0x20
[ 23.926088][ T71] default_device_exit_batch+0x235/0x2d0
[ 23.926272][ T71] ? unregister_netdev+0x60/0x60
[ 23.926436][ T71] ops_undo_list+0x2bf/0x890
[ 23.926699][ T71] ? rtnl_net_dumpid_one+0x270/0x270
[ 23.926858][ T71] ? cleanup_net+0x2d6/0x8b0
[ 23.927023][ T71] cleanup_net+0x3b2/0x8b0
[ 23.927184][ T71] ? net_passive_dec+0x190/0x190
[ 23.927438][ T71] ? rcu_is_watching+0x12/0xb0
[ 23.927609][ T71] process_one_work+0xe35/0x1650
[ 23.927776][ T71] ? pwq_dec_nr_in_flight+0x550/0x550
[ 23.927938][ T71] ? assign_work+0x168/0x240
[ 23.928205][ T71] worker_thread+0x591/0xcf0
[ 23.928371][ T71] ? rescuer_thread+0xd10/0xd10
[ 23.928539][ T71] kthread+0x37b/0x5f0
[ 23.928663][ T71] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.928915][ T71] ? ret_from_fork+0x1b/0x270
[ 23.929080][ T71] ? __lock_release+0x5d/0x170
[ 23.929261][ T71] ? rcu_is_watching+0x12/0xb0
[ 23.929422][ T71] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.929692][ T71] ret_from_fork+0x1db/0x270
[ 23.929856][ T71] ? kthread_is_per_cpu+0xc0/0xc0
[ 23.930024][ T71] ret_from_fork_asm+0x11/0x20
[ 23.930191][ T71]
[ 23.930446][ T71] Modules linked in:
[ 23.930588][ T71] CR2: 0000000000000000
[ 23.930716][ T71] ---[ end trace 0000000000000000 ]---
[ 23.930894][ T71] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 23.931147][ T71] 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
[ 23.931727][ T71] RSP: 0018:ffffc900004c7680 EFLAGS: 00010046
[ 23.932045][ T71] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb8a49b8a
[ 23.932309][ T71] RDX: fffffbfff7aecacd RSI: 0000000000000008 RDI: ffffffffbd765660
[ 23.932553][ T71] RBP: ffffc900004c76e8 R08: 0000000000000001 R09: fffffbfff7aecacc
[ 23.932887][ T71] R10: ffffffffbd765667 R11: ffffc900004c7140 R12: 0000000000000000
[ 23.933145][ T71] R13: 0000000000000282 R14: ffff88800b914000 R15: dffffc0000000000
[ 23.933489][ T71] FS: 0000000000000000(0000) GS:ffff8880a9587000(0000) knlGS:0000000000000000
[ 23.933777][ T71] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 23.933981][ T71] CR2: 0000000000000000 CR3: 000000006b349002 CR4: 0000000000772ef0
[ 23.934320][ T71] PKRU: 55555554
[ 23.934443][ T71] Kernel panic - not syncing: Fatal exception
[ 23.934744][ T71] Kernel Offset: 0x37400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 23.935228][ T71] ---[ end Kernel panic - not syncing: Fatal exception ]---
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