[ 16.856594][ T258] ip (258) used greatest stack depth: 24480 bytes left
[ 18.875441][ T270] ip (270) used greatest stack depth: 24176 bytes left
[ 26.452794][ T12] ==================================================================
[ 26.453151][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 26.453474][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 26.453780][ T12]
[ 26.453892][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 26.453899][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.453902][ T12] Workqueue: netns cleanup_net
[ 26.453912][ T12] Call Trace:
[ 26.453915][ T12]
[ 26.453919][ T12] dump_stack_lvl+0x82/0xc0
[ 26.453927][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 26.453932][ T12] kasan_report+0xca/0x100
[ 26.453940][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 26.453945][ T12] kasan_check_range+0x39/0x1b0
[ 26.453950][ T12] try_to_grab_pending+0x81/0x6c0
[ 26.453955][ T12] __cancel_work+0x7c/0x260
[ 26.453959][ T12] ? enable_delayed_work+0x10/0x10
[ 26.453964][ T12] ? qdisc_destroy+0x50/0x50
[ 26.453970][ T12] __cancel_work_sync+0x18/0xc0
[ 26.453974][ T12] __dev_close_many+0x1ce/0x810
[ 26.453982][ T12] ? netdev_notify_peers+0x20/0x20
[ 26.453986][ T12] ? netif_close_many+0x201/0x650
[ 26.453991][ T12] netif_close_many+0x201/0x650
[ 26.453996][ T12] ? __dev_close_many+0x810/0x810
[ 26.454000][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 26.454005][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 26.454009][ T12] ? find_held_lock+0x2b/0x80
[ 26.454014][ T12] ? rtnl_is_locked+0x15/0x20
[ 26.454018][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 26.454021][ T12] ? rtnl_is_locked+0x15/0x20
[ 26.454023][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 26.454026][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 26.454030][ T12] ? unregister_netdevice_many+0x20/0x20
[ 26.454036][ T12] default_device_exit_batch+0x235/0x2d0
[ 26.454039][ T12] ? unregister_netdev+0x60/0x60
[ 26.454045][ T12] ops_undo_list+0x2bf/0x890
[ 26.454050][ T12] ? netns_get+0x110/0x110
[ 26.454053][ T12] ? cleanup_net+0x2d6/0x830
[ 26.454058][ T12] cleanup_net+0x3b2/0x830
[ 26.454062][ T12] ? net_passive_dec+0x190/0x190
[ 26.454066][ T12] ? rcu_is_watching+0x12/0xb0
[ 26.454075][ T12] process_one_work+0xe35/0x1650
[ 26.454081][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 26.454088][ T12] ? assign_work+0x168/0x240
[ 26.454094][ T12] worker_thread+0x591/0xcf0
[ 26.454104][ T12] ? rescuer_thread+0xd10/0xd10
[ 26.454110][ T12] kthread+0x37b/0x5f0
[ 26.454116][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 26.454119][ T12] ? ret_from_fork+0x1b/0x270
[ 26.454125][ T12] ? __lock_release+0x5d/0x170
[ 26.454130][ T12] ? rcu_is_watching+0x12/0xb0
[ 26.454133][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 26.454137][ T12] ret_from_fork+0x1db/0x270
[ 26.454140][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 26.454143][ T12] ret_from_fork_asm+0x11/0x20
[ 26.454154][ T12]
[ 26.454155][ T12] ==================================================================
[ 26.464467][ T12] Disabling lock debugging due to kernel taint
[ 26.464732][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 26.465005][ T12] #PF: supervisor write access in kernel mode
[ 26.465248][ T12] #PF: error_code(0x0002) - not-present page
[ 26.465486][ T12] PGD 0 P4D 0
[ 26.465647][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 26.465843][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 26.466279][ T12] Tainted: [B]=BAD_PAGE
[ 26.466429][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 26.466694][ T12] Workqueue: netns cleanup_net
[ 26.466906][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 26.467157][ 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
[ 26.467849][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 26.468113][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8404190a
[ 26.468416][ T12] RDX: fffffbfff109cecd RSI: 0000000000000008 RDI: ffffffff884e7660
[ 26.468733][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff109cecc
[ 26.469042][ T12] R10: ffffffff884e7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 26.469336][ T12] R13: 0000000000000286 R14: ffff88800c2a1000 R15: dffffc0000000000
[ 26.469764][ T12] FS: 0000000000000000(0000) GS:ffff8880ade84000(0000) knlGS:0000000000000000
[ 26.470203][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.470542][ T12] CR2: 0000000000000000 CR3: 000000001f759004 CR4: 0000000000772ef0
[ 26.470942][ T12] PKRU: 55555554
[ 26.471107][ T12] Call Trace:
[ 26.471252][ T12]
[ 26.471370][ T12] __cancel_work+0x7c/0x260
[ 26.471679][ T12] ? enable_delayed_work+0x10/0x10
[ 26.471871][ T12] ? qdisc_destroy+0x50/0x50
[ 26.472078][ T12] __cancel_work_sync+0x18/0xc0
[ 26.472275][ T12] __dev_close_many+0x1ce/0x810
[ 26.472572][ T12] ? netdev_notify_peers+0x20/0x20
[ 26.472779][ T12] ? netif_close_many+0x201/0x650
[ 26.472985][ T12] netif_close_many+0x201/0x650
[ 26.473173][ T12] ? __dev_close_many+0x810/0x810
[ 26.473468][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 26.473720][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 26.473952][ T12] ? find_held_lock+0x2b/0x80
[ 26.474236][ T12] ? rtnl_is_locked+0x15/0x20
[ 26.474418][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 26.474604][ T12] ? rtnl_is_locked+0x15/0x20
[ 26.474793][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 26.475040][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 26.475226][ T12] ? unregister_netdevice_many+0x20/0x20
[ 26.475423][ T12] default_device_exit_batch+0x235/0x2d0
[ 26.475608][ T12] ? unregister_netdev+0x60/0x60
[ 26.475915][ T12] ops_undo_list+0x2bf/0x890
[ 26.476121][ T12] ? netns_get+0x110/0x110
[ 26.476401][ T12] ? cleanup_net+0x2d6/0x830
[ 26.476596][ T12] cleanup_net+0x3b2/0x830
[ 26.476798][ T12] ? net_passive_dec+0x190/0x190
[ 26.476983][ T12] ? rcu_is_watching+0x12/0xb0
[ 26.477181][ T12] process_one_work+0xe35/0x1650
[ 26.477369][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 26.477558][ T12] ? assign_work+0x168/0x240
[ 26.477741][ T12] worker_thread+0x591/0xcf0
[ 26.477943][ T12] ? rescuer_thread+0xd10/0xd10
[ 26.478141][ T12] kthread+0x37b/0x5f0
[ 26.478303][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 26.478592][ T12] ? ret_from_fork+0x1b/0x270
[ 26.478783][ T12] ? __lock_release+0x5d/0x170
[ 26.478972][ T12] ? rcu_is_watching+0x12/0xb0
[ 26.479161][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 26.479439][ T12] ret_from_fork+0x1db/0x270
[ 26.479626][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 26.479823][ T12] ret_from_fork_asm+0x11/0x20
[ 26.480018][ T12]
[ 26.480162][ T12] Modules linked in:
[ 26.480318][ T12] CR2: 0000000000000000
[ 26.480461][ T12] ---[ end trace 0000000000000000 ]---
[ 26.480648][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 26.481011][ 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
[ 26.481672][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 26.482018][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8404190a
[ 26.482295][ T12] RDX: fffffbfff109cecd RSI: 0000000000000008 RDI: ffffffff884e7660
[ 26.482673][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff109cecc
[ 26.482964][ T12] R10: ffffffff884e7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 26.483242][ T12] R13: 0000000000000286 R14: ffff88800c2a1000 R15: dffffc0000000000
[ 26.483645][ T12] FS: 0000000000000000(0000) GS:ffff8880ade84000(0000) knlGS:0000000000000000
[ 26.483998][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 26.484249][ T12] CR2: 0000000000000000 CR3: 000000001f759004 CR4: 0000000000772ef0
[ 26.484746][ T12] PKRU: 55555554
[ 26.484890][ T12] Kernel panic - not syncing: Fatal exception
[ 26.485231][ T12] Kernel Offset: 0x2a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 26.485794][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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