[ 68.453124][ T68] ==================================================================
[ 68.453467][ T68] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 68.453739][ T68] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/68
[ 68.454014][ T68]
[ 68.454115][ T68] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 68.454122][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.454127][ T68] Workqueue: netns cleanup_net
[ 68.454138][ T68] Call Trace:
[ 68.454143][ T68]
[ 68.454145][ T68] dump_stack_lvl+0x82/0xc0
[ 68.454154][ T68] ? try_to_grab_pending+0x81/0x6c0
[ 68.454157][ T68] kasan_report+0xca/0x100
[ 68.454165][ T68] ? try_to_grab_pending+0x81/0x6c0
[ 68.454171][ T68] kasan_check_range+0x39/0x1b0
[ 68.454175][ T68] try_to_grab_pending+0x81/0x6c0
[ 68.454180][ T68] __cancel_work+0x7c/0x260
[ 68.454184][ T68] ? enable_delayed_work+0x10/0x10
[ 68.454189][ T68] ? queue_delayed_work_on+0x6a/0xa0
[ 68.454194][ T68] __cancel_work_sync+0x18/0xc0
[ 68.454198][ T68] __dev_close_many+0x1ce/0x810
[ 68.454206][ T68] ? netdev_notify_peers+0x20/0x20
[ 68.454211][ T68] ? netif_close_many+0x201/0x650
[ 68.454216][ T68] netif_close_many+0x201/0x650
[ 68.454219][ T68] ? __mutex_handoff+0x2b0/0x2b0
[ 68.454227][ T68] ? __dev_close_many+0x810/0x810
[ 68.454231][ T68] ? netif_close_many_and_unlock+0x21/0x2a0
[ 68.454236][ T68] unregister_netdevice_many_notify+0x305/0x1b30
[ 68.454240][ T68] ? find_held_lock+0x2b/0x80
[ 68.454244][ T68] ? mutex_is_locked+0x1c/0x50
[ 68.454248][ T68] ? dev_ingress_queue_create+0x190/0x190
[ 68.454251][ T68] ? rtnl_is_locked+0x15/0x20
[ 68.454254][ T68] ? unregister_netdevice_queue+0x6f/0x410
[ 68.454257][ T68] ? unregister_netdevice_many+0x20/0x20
[ 68.454260][ T68] ? unregister_netdevice_many+0x20/0x20
[ 68.454266][ T68] default_device_exit_batch+0x235/0x2d0
[ 68.454269][ T68] ? unregister_netdev+0x60/0x60
[ 68.454275][ T68] ops_undo_list+0x2bf/0x890
[ 68.454280][ T68] ? netns_get+0x110/0x110
[ 68.454283][ T68] ? cleanup_net+0x2d6/0x830
[ 68.454289][ T68] cleanup_net+0x3b2/0x830
[ 68.454292][ T68] ? net_passive_dec+0x190/0x190
[ 68.454297][ T68] ? rcu_is_watching+0x12/0xb0
[ 68.454305][ T68] process_one_work+0xe35/0x1650
[ 68.454312][ T68] ? pwq_dec_nr_in_flight+0x550/0x550
[ 68.454318][ T68] ? assign_work+0x168/0x240
[ 68.454323][ T68] worker_thread+0x591/0xcf0
[ 68.454329][ T68] ? rescuer_thread+0xd10/0xd10
[ 68.454333][ T68] kthread+0x37b/0x5f0
[ 68.454339][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.454342][ T68] ? ret_from_fork+0x1b/0x270
[ 68.454348][ T68] ? __lock_release+0x5d/0x170
[ 68.454352][ T68] ? rcu_is_watching+0x12/0xb0
[ 68.454355][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.454359][ T68] ret_from_fork+0x1db/0x270
[ 68.454362][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.454365][ T68] ret_from_fork_asm+0x11/0x20
[ 68.454375][ T68]
[ 68.454376][ T68] ==================================================================
[ 68.464265][ T68] Disabling lock debugging due to kernel taint
[ 68.464587][ T68] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 68.464837][ T68] #PF: supervisor write access in kernel mode
[ 68.465055][ T68] #PF: error_code(0x0002) - not-present page
[ 68.465359][ T68] PGD 0 P4D 0
[ 68.465493][ T68] Oops: Oops: 0002 [#1] SMP KASAN
[ 68.465669][ T68] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 68.466151][ T68] Tainted: [B]=BAD_PAGE
[ 68.466289][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 68.466500][ T68] Workqueue: netns cleanup_net
[ 68.466680][ T68] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 68.466906][ T68] 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
[ 68.467517][ T68] RSP: 0018:ffffc90000497690 EFLAGS: 00010046
[ 68.467840][ T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa1c4190a
[ 68.468115][ T68] RDX: fffffbfff4c1cecd RSI: 0000000000000008 RDI: ffffffffa60e7660
[ 68.468478][ T68] RBP: ffffc900004976f8 R08: 0000000000000001 R09: fffffbfff4c1cecc
[ 68.468737][ T68] R10: ffffffffa60e7667 R11: ffffc90000497180 R12: 0000000000000000
[ 68.469003][ T68] R13: 0000000000000286 R14: ffff88800b284000 R15: dffffc0000000000
[ 68.469360][ T68] FS: 0000000000000000(0000) GS:ffff88808a404000(0000) knlGS:0000000000000000
[ 68.469667][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.469885][ T68] CR2: 0000000000000000 CR3: 0000000037559003 CR4: 0000000000772ef0
[ 68.470252][ T68] PKRU: 55555554
[ 68.470386][ T68] Call Trace:
[ 68.470515][ T68]
[ 68.470613][ T68] __cancel_work+0x7c/0x260
[ 68.470887][ T68] ? enable_delayed_work+0x10/0x10
[ 68.471065][ T68] ? queue_delayed_work_on+0x6a/0xa0
[ 68.471236][ T68] __cancel_work_sync+0x18/0xc0
[ 68.471411][ T68] __dev_close_many+0x1ce/0x810
[ 68.471686][ T68] ? netdev_notify_peers+0x20/0x20
[ 68.471858][ T68] ? netif_close_many+0x201/0x650
[ 68.472033][ T68] netif_close_many+0x201/0x650
[ 68.472202][ T68] ? __mutex_handoff+0x2b0/0x2b0
[ 68.472467][ T68] ? __dev_close_many+0x810/0x810
[ 68.472641][ T68] ? netif_close_many_and_unlock+0x21/0x2a0
[ 68.472852][ T68] unregister_netdevice_many_notify+0x305/0x1b30
[ 68.473067][ T68] ? find_held_lock+0x2b/0x80
[ 68.473337][ T68] ? mutex_is_locked+0x1c/0x50
[ 68.473506][ T68] ? dev_ingress_queue_create+0x190/0x190
[ 68.473674][ T68] ? rtnl_is_locked+0x15/0x20
[ 68.473847][ T68] ? unregister_netdevice_queue+0x6f/0x410
[ 68.474154][ T68] ? unregister_netdevice_many+0x20/0x20
[ 68.474321][ T68] ? unregister_netdevice_many+0x20/0x20
[ 68.474492][ T68] default_device_exit_batch+0x235/0x2d0
[ 68.474664][ T68] ? unregister_netdev+0x60/0x60
[ 68.474936][ T68] ops_undo_list+0x2bf/0x890
[ 68.475109][ T68] ? netns_get+0x110/0x110
[ 68.475278][ T68] ? cleanup_net+0x2d6/0x830
[ 68.475449][ T68] cleanup_net+0x3b2/0x830
[ 68.475715][ T68] ? net_passive_dec+0x190/0x190
[ 68.475883][ T68] ? rcu_is_watching+0x12/0xb0
[ 68.476056][ T68] process_one_work+0xe35/0x1650
[ 68.476232][ T68] ? pwq_dec_nr_in_flight+0x550/0x550
[ 68.476499][ T68] ? assign_work+0x168/0x240
[ 68.476667][ T68] worker_thread+0x591/0xcf0
[ 68.476837][ T68] ? rescuer_thread+0xd10/0xd10
[ 68.477012][ T68] kthread+0x37b/0x5f0
[ 68.477235][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.477401][ T68] ? ret_from_fork+0x1b/0x270
[ 68.477572][ T68] ? __lock_release+0x5d/0x170
[ 68.477747][ T68] ? rcu_is_watching+0x12/0xb0
[ 68.477937][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.478108][ T68] ret_from_fork+0x1db/0x270
[ 68.478275][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 68.478442][ T68] ret_from_fork_asm+0x11/0x20
[ 68.478713][ T68]
[ 68.478843][ T68] Modules linked in: xt_mark nft_compat nf_tables
[ 68.479069][ T68] CR2: 0000000000000000
[ 68.479205][ T68] ---[ end trace 0000000000000000 ]---
[ 68.479470][ T68] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 68.479684][ T68] 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
[ 68.480391][ T68] RSP: 0018:ffffc90000497690 EFLAGS: 00010046
[ 68.480616][ T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa1c4190a
[ 68.480868][ T68] RDX: fffffbfff4c1cecd RSI: 0000000000000008 RDI: ffffffffa60e7660
[ 68.481223][ T68] RBP: ffffc900004976f8 R08: 0000000000000001 R09: fffffbfff4c1cecc
[ 68.481475][ T68] R10: ffffffffa60e7667 R11: ffffc90000497180 R12: 0000000000000000
[ 68.481829][ T68] R13: 0000000000000286 R14: ffff88800b284000 R15: dffffc0000000000
[ 68.482086][ T68] FS: 0000000000000000(0000) GS:ffff88808a404000(0000) knlGS:0000000000000000
[ 68.482380][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 68.482691][ T68] CR2: 0000000000000000 CR3: 0000000037559003 CR4: 0000000000772ef0
[ 68.482946][ T68] PKRU: 55555554
[ 68.483078][ T68] Kernel panic - not syncing: Fatal exception
[ 68.483489][ T68] Kernel Offset: 0x20600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 68.483888][ T68] ---[ end Kernel panic - not syncing: Fatal exception ]---
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