[ 69.450280][ T12] ==================================================================
[ 69.450789][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 69.451134][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 69.451439][ T12]
[ 69.451535][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 69.451540][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.451543][ T12] Workqueue: netns cleanup_net
[ 69.451555][ T12] Call Trace:
[ 69.451559][ T12]
[ 69.451561][ T12] dump_stack_lvl+0x82/0xc0
[ 69.451571][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 69.451576][ T12] kasan_report+0xca/0x100
[ 69.451582][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 69.451588][ T12] kasan_check_range+0x39/0x1b0
[ 69.451592][ T12] try_to_grab_pending+0x81/0x6c0
[ 69.451597][ T12] __cancel_work+0x7c/0x260
[ 69.451600][ T12] ? enable_delayed_work+0x10/0x10
[ 69.451605][ T12] ? qdisc_destroy+0x50/0x50
[ 69.451612][ T12] __cancel_work_sync+0x18/0xc0
[ 69.451616][ T12] __dev_close_many+0x1ce/0x810
[ 69.451622][ T12] ? netdev_notify_peers+0x20/0x20
[ 69.451627][ T12] ? netif_close_many+0x201/0x650
[ 69.451632][ T12] netif_close_many+0x201/0x650
[ 69.451635][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 69.451641][ T12] ? __dev_close_many+0x810/0x810
[ 69.451645][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 69.451650][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 69.451655][ T12] ? find_held_lock+0x2b/0x80
[ 69.451658][ T12] ? rtnl_is_locked+0x15/0x20
[ 69.451662][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 69.451665][ T12] ? rtnl_is_locked+0x15/0x20
[ 69.451666][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 69.451669][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 69.451675][ T12] ? unregister_netdevice_many+0x20/0x20
[ 69.451683][ T12] default_device_exit_batch+0x235/0x2d0
[ 69.451689][ T12] ? unregister_netdev+0x60/0x60
[ 69.451698][ T12] ops_undo_list+0x2bf/0x890
[ 69.451705][ T12] ? netns_get+0x110/0x110
[ 69.451710][ T12] ? cleanup_net+0x2d6/0x830
[ 69.451716][ T12] cleanup_net+0x3b2/0x830
[ 69.451720][ T12] ? net_passive_dec+0x190/0x190
[ 69.451724][ T12] ? rcu_is_watching+0x12/0xb0
[ 69.451731][ T12] process_one_work+0xe35/0x1650
[ 69.451738][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 69.451744][ T12] ? assign_work+0x168/0x240
[ 69.451748][ T12] worker_thread+0x591/0xcf0
[ 69.451754][ T12] ? rescuer_thread+0xd10/0xd10
[ 69.451758][ T12] kthread+0x37b/0x5f0
[ 69.451763][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 69.451767][ T12] ? ret_from_fork+0x1b/0x270
[ 69.451773][ T12] ? __lock_release+0x5d/0x170
[ 69.451777][ T12] ? rcu_is_watching+0x12/0xb0
[ 69.451781][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 69.451785][ T12] ret_from_fork+0x1db/0x270
[ 69.451787][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 69.451791][ T12] ret_from_fork_asm+0x11/0x20
[ 69.451800][ T12]
[ 69.451802][ T12] ==================================================================
[ 69.462640][ T12] Disabling lock debugging due to kernel taint
[ 69.462872][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 69.463147][ T12] #PF: supervisor write access in kernel mode
[ 69.463347][ T12] #PF: error_code(0x0002) - not-present page
[ 69.463550][ T12] PGD 0 P4D 0
[ 69.463680][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 69.463960][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 69.464411][ T12] Tainted: [B]=BAD_PAGE
[ 69.464595][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 69.464907][ T12] Workqueue: netns cleanup_net
[ 69.465179][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 69.465516][ 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 6f 7d 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 69.466281][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 69.466555][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9644190a
[ 69.466859][ T12] RDX: fffffbfff351cecd RSI: 0000000000000008 RDI: ffffffff9a8e7660
[ 69.467156][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff351cecc
[ 69.467409][ T12] R10: ffffffff9a8e7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 69.467699][ T12] R13: 0000000000000286 R14: ffff8880087d1000 R15: dffffc0000000000
[ 69.467958][ T12] FS: 0000000000000000(0000) GS:ffff88809b984000(0000) knlGS:0000000000000000
[ 69.468242][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.468453][ T12] CR2: 0000000000000000 CR3: 000000001d559002 CR4: 0000000000772ef0
[ 69.468698][ T12] PKRU: 55555554
[ 69.468830][ T12] Call Trace:
[ 69.468965][ T12]
[ 69.469049][ T12] __cancel_work+0x7c/0x260
[ 69.469222][ T12] ? enable_delayed_work+0x10/0x10
[ 69.469385][ T12] ? qdisc_destroy+0x50/0x50
[ 69.469550][ T12] __cancel_work_sync+0x18/0xc0
[ 69.469711][ T12] __dev_close_many+0x1ce/0x810
[ 69.469879][ T12] ? netdev_notify_peers+0x20/0x20
[ 69.470047][ T12] ? netif_close_many+0x201/0x650
[ 69.470254][ T12] netif_close_many+0x201/0x650
[ 69.470440][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 69.470603][ T12] ? __dev_close_many+0x810/0x810
[ 69.470770][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 69.470982][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 69.471235][ T12] ? find_held_lock+0x2b/0x80
[ 69.471412][ T12] ? rtnl_is_locked+0x15/0x20
[ 69.471572][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 69.471733][ T12] ? rtnl_is_locked+0x15/0x20
[ 69.471901][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 69.472158][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 69.472338][ T12] ? unregister_netdevice_many+0x20/0x20
[ 69.472505][ T12] default_device_exit_batch+0x235/0x2d0
[ 69.472705][ T12] ? unregister_netdev+0x60/0x60
[ 69.472882][ T12] ops_undo_list+0x2bf/0x890
[ 69.473082][ T12] ? netns_get+0x110/0x110
[ 69.473284][ T12] ? cleanup_net+0x2d6/0x830
[ 69.473453][ T12] cleanup_net+0x3b2/0x830
[ 69.473618][ T12] ? net_passive_dec+0x190/0x190
[ 69.473824][ T12] ? rcu_is_watching+0x12/0xb0
[ 69.474004][ T12] process_one_work+0xe35/0x1650
[ 69.474223][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 69.474391][ T12] ? assign_work+0x168/0x240
[ 69.474560][ T12] worker_thread+0x591/0xcf0
[ 69.474757][ T12] ? rescuer_thread+0xd10/0xd10
[ 69.474936][ T12] kthread+0x37b/0x5f0
[ 69.475095][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 69.475308][ T12] ? ret_from_fork+0x1b/0x270
[ 69.475543][ T12] ? __lock_release+0x5d/0x170
[ 69.475789][ T12] ? rcu_is_watching+0x12/0xb0
[ 69.476052][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 69.476319][ T12] ret_from_fork+0x1db/0x270
[ 69.476583][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 69.476845][ T12] ret_from_fork_asm+0x11/0x20
[ 69.477117][ T12]
[ 69.477328][ T12] Modules linked in: tcp_diag mptcp_diag inet_diag
[ 69.477668][ T12] CR2: 0000000000000000
[ 69.478031][ T12] ---[ end trace 0000000000000000 ]---
[ 69.478298][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 69.478635][ 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 6f 7d 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 69.479822][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 69.480239][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9644190a
[ 69.480495][ T12] RDX: fffffbfff351cecd RSI: 0000000000000008 RDI: ffffffff9a8e7660
[ 69.480734][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff351cecc
[ 69.481090][ T12] R10: ffffffff9a8e7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 69.481339][ T12] R13: 0000000000000286 R14: ffff8880087d1000 R15: dffffc0000000000
[ 69.481579][ T12] FS: 0000000000000000(0000) GS:ffff88809b984000(0000) knlGS:0000000000000000
[ 69.481955][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 69.482153][ T12] CR2: 0000000000000000 CR3: 000000001d559002 CR4: 0000000000772ef0
[ 69.482491][ T12] PKRU: 55555554
[ 69.482615][ T12] Kernel panic - not syncing: Fatal exception
[ 69.482904][ T12] Kernel Offset: 0x14e00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 69.483394][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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