[ 15.444428][ T12] ==================================================================
[ 15.444806][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 15.445111][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 15.445404][ T12]
[ 15.445508][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 15.445513][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.445516][ T12] Workqueue: netns cleanup_net
[ 15.445525][ T12] Call Trace:
[ 15.445528][ T12]
[ 15.445531][ T12] dump_stack_lvl+0x82/0xc0
[ 15.445537][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 15.445540][ T12] kasan_report+0xca/0x100
[ 15.445548][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 15.445553][ T12] kasan_check_range+0x39/0x1b0
[ 15.445556][ T12] try_to_grab_pending+0x81/0x6c0
[ 15.445558][ T12] ? netif_close_many+0x201/0x650
[ 15.445562][ T12] ? unregister_netdevice_many_notify+0x305/0x1b30
[ 15.445568][ T12] __cancel_work+0x7c/0x260
[ 15.445571][ T12] ? enable_delayed_work+0x10/0x10
[ 15.445576][ T12] ? queue_delayed_work_on+0x6a/0xa0
[ 15.445580][ T12] __cancel_work_sync+0x18/0xc0
[ 15.445583][ T12] __dev_close_many+0x1ce/0x810
[ 15.445587][ T12] ? netdev_notify_peers+0x20/0x20
[ 15.445590][ T12] ? netif_close_many+0x201/0x650
[ 15.445595][ T12] netif_close_many+0x201/0x650
[ 15.445598][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 15.445602][ T12] ? __dev_close_many+0x810/0x810
[ 15.445605][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 15.445610][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 15.445614][ T12] ? find_held_lock+0x2b/0x80
[ 15.445619][ T12] ? mutex_is_locked+0x1c/0x50
[ 15.445621][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 15.445625][ T12] ? rtnl_is_locked+0x15/0x20
[ 15.445628][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 15.445631][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.445634][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.445641][ T12] default_device_exit_batch+0x235/0x2d0
[ 15.445644][ T12] ? unregister_netdev+0x60/0x60
[ 15.445650][ T12] ops_undo_list+0x2bf/0x890
[ 15.445655][ T12] ? netns_get+0x110/0x110
[ 15.445657][ T12] ? cleanup_net+0x2d6/0x830
[ 15.445662][ T12] cleanup_net+0x3b2/0x830
[ 15.445665][ T12] ? net_passive_dec+0x190/0x190
[ 15.445669][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.445674][ T12] process_one_work+0xe35/0x1650
[ 15.445680][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 15.445685][ T12] ? assign_work+0x168/0x240
[ 15.445689][ T12] worker_thread+0x591/0xcf0
[ 15.445695][ T12] ? rescuer_thread+0xd10/0xd10
[ 15.445698][ T12] kthread+0x37b/0x5f0
[ 15.445701][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.445704][ T12] ? ret_from_fork+0x1b/0x270
[ 15.445709][ T12] ? __lock_release+0x5d/0x170
[ 15.445713][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.445715][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.445718][ T12] ret_from_fork+0x1db/0x270
[ 15.445721][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.445724][ T12] ret_from_fork_asm+0x11/0x20
[ 15.445732][ T12]
[ 15.445733][ T12] ==================================================================
[ 15.456387][ T12] Disabling lock debugging due to kernel taint
[ 15.456624][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 15.456881][ T12] #PF: supervisor write access in kernel mode
[ 15.457081][ T12] #PF: error_code(0x0002) - not-present page
[ 15.457346][ T12] PGD 0 P4D 0
[ 15.457506][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 15.457707][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 15.458112][ T12] Tainted: [B]=BAD_PAGE
[ 15.458259][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.458487][ T12] Workqueue: netns cleanup_net
[ 15.458709][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 15.458988][ 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
[ 15.459726][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 15.459989][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff86e3f90a
[ 15.460272][ T12] RDX: fffffbfff160b6cd RSI: 0000000000000008 RDI: ffffffff8b05b660
[ 15.460557][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff160b6cc
[ 15.460850][ T12] R10: ffffffff8b05b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 15.461136][ T12] R13: 0000000000000286 R14: ffff88800514c000 R15: dffffc0000000000
[ 15.461435][ T12] FS: 0000000000000000(0000) GS:ffff8880ab310000(0000) knlGS:0000000000000000
[ 15.461780][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.462032][ T12] CR2: 0000000000000000 CR3: 000000000e3b8005 CR4: 0000000000772ef0
[ 15.462313][ T12] PKRU: 55555554
[ 15.462453][ T12] Call Trace:
[ 15.462609][ T12]
[ 15.462705][ T12] ? netif_close_many+0x201/0x650
[ 15.462913][ T12] ? unregister_netdevice_many_notify+0x305/0x1b30
[ 15.463152][ T12] __cancel_work+0x7c/0x260
[ 15.463342][ T12] ? enable_delayed_work+0x10/0x10
[ 15.463538][ T12] ? queue_delayed_work_on+0x6a/0xa0
[ 15.463748][ T12] __cancel_work_sync+0x18/0xc0
[ 15.463954][ T12] __dev_close_many+0x1ce/0x810
[ 15.464160][ T12] ? netdev_notify_peers+0x20/0x20
[ 15.464353][ T12] ? netif_close_many+0x201/0x650
[ 15.464560][ T12] netif_close_many+0x201/0x650
[ 15.464760][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 15.464960][ T12] ? __dev_close_many+0x810/0x810
[ 15.465144][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 15.465372][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 15.465644][ T12] ? find_held_lock+0x2b/0x80
[ 15.465848][ T12] ? mutex_is_locked+0x1c/0x50
[ 15.466046][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 15.466244][ T12] ? rtnl_is_locked+0x15/0x20
[ 15.466440][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 15.466699][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.466908][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.467120][ T12] default_device_exit_batch+0x235/0x2d0
[ 15.467317][ T12] ? unregister_netdev+0x60/0x60
[ 15.467503][ T12] ops_undo_list+0x2bf/0x890
[ 15.467703][ T12] ? netns_get+0x110/0x110
[ 15.467901][ T12] ? cleanup_net+0x2d6/0x830
[ 15.468106][ T12] cleanup_net+0x3b2/0x830
[ 15.468289][ T12] ? net_passive_dec+0x190/0x190
[ 15.468514][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.468713][ T12] process_one_work+0xe35/0x1650
[ 15.468959][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 15.469137][ T12] ? assign_work+0x168/0x240
[ 15.469310][ T12] worker_thread+0x591/0xcf0
[ 15.469518][ T12] ? rescuer_thread+0xd10/0xd10
[ 15.469709][ T12] kthread+0x37b/0x5f0
[ 15.469860][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.470050][ T12] ? ret_from_fork+0x1b/0x270
[ 15.470249][ T12] ? __lock_release+0x5d/0x170
[ 15.470439][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.470632][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.470831][ T12] ret_from_fork+0x1db/0x270
[ 15.471035][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.471208][ T12] ret_from_fork_asm+0x11/0x20
[ 15.471387][ T12]
[ 15.471528][ T12] Modules linked in: veth
[ 15.471673][ T12] CR2: 0000000000000000
[ 15.471843][ T12] ---[ end trace 0000000000000000 ]---
[ 15.472023][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 15.472262][ 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
[ 15.472911][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 15.473142][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff86e3f90a
[ 15.473415][ T12] RDX: fffffbfff160b6cd RSI: 0000000000000008 RDI: ffffffff8b05b660
[ 15.473682][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff160b6cc
[ 15.473977][ T12] R10: ffffffff8b05b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 15.474243][ T12] R13: 0000000000000286 R14: ffff88800514c000 R15: dffffc0000000000
[ 15.474514][ T12] FS: 0000000000000000(0000) GS:ffff8880ab310000(0000) knlGS:0000000000000000
[ 15.474836][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.475078][ T12] CR2: 0000000000000000 CR3: 000000000e3b8005 CR4: 0000000000772ef0
[ 15.475356][ T12] PKRU: 55555554
[ 15.475487][ T12] Kernel panic - not syncing: Fatal exception
[ 15.475791][ T12] Kernel Offset: 0x5800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 15.476248][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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