[ 14.804368][ T12] ==================================================================
[ 14.804690][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 14.804971][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 14.805245][ T12]
[ 14.805345][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 14.805349][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.805352][ T12] Workqueue: netns cleanup_net
[ 14.805361][ T12] Call Trace:
[ 14.805363][ T12]
[ 14.805365][ T12] dump_stack_lvl+0x82/0xc0
[ 14.805372][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 14.805376][ T12] kasan_report+0xca/0x100
[ 14.805382][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 14.805388][ T12] kasan_check_range+0x39/0x1b0
[ 14.805392][ T12] try_to_grab_pending+0x81/0x6c0
[ 14.805396][ T12] __cancel_work+0x7c/0x260
[ 14.805400][ T12] ? enable_delayed_work+0x10/0x10
[ 14.805404][ T12] ? qdisc_destroy+0x50/0x50
[ 14.805411][ T12] __cancel_work_sync+0x18/0xc0
[ 14.805416][ T12] __dev_close_many+0x1cf/0x980
[ 14.805420][ T12] ? netdev_notify_peers+0x20/0x20
[ 14.805424][ T12] ? netif_close_many+0x201/0x650
[ 14.805428][ T12] netif_close_many+0x201/0x650
[ 14.805431][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 14.805436][ T12] ? __dev_close_many+0x980/0x980
[ 14.805440][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 14.805442][ T12] ? trace_contention_end+0xd8/0x140
[ 14.805447][ T12] unregister_netdevice_many_notify+0x30a/0x1c90
[ 14.805451][ T12] ? default_device_exit_batch+0x80/0x2d0
[ 14.805456][ T12] ? rtnl_is_locked+0x15/0x20
[ 14.805460][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 14.805463][ T12] ? rtnl_is_locked+0x15/0x20
[ 14.805465][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 14.805469][ T12] ? unregister_netdevice_many+0x20/0x20
[ 14.805475][ T12] default_device_exit_batch+0x235/0x2d0
[ 14.805479][ T12] ? unregister_netdev+0x60/0x60
[ 14.805485][ T12] ops_undo_list+0x2bf/0x890
[ 14.805490][ T12] ? rtnl_net_dumpid_one+0x270/0x270
[ 14.805493][ T12] ? cleanup_net+0x2d6/0x8b0
[ 14.805500][ T12] cleanup_net+0x3b2/0x8b0
[ 14.805504][ T12] ? net_passive_dec+0x190/0x190
[ 14.805509][ T12] ? rcu_is_watching+0x12/0xb0
[ 14.805515][ T12] process_one_work+0xe35/0x1650
[ 14.805522][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 14.805531][ T12] ? assign_work+0x168/0x240
[ 14.805538][ T12] worker_thread+0x591/0xcf0
[ 14.805545][ T12] ? rescuer_thread+0xd10/0xd10
[ 14.805548][ T12] kthread+0x37b/0x5f0
[ 14.805552][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 14.805555][ T12] ? ret_from_fork+0x1b/0x270
[ 14.805558][ T12] ? __lock_release+0x5d/0x170
[ 14.805562][ T12] ? rcu_is_watching+0x12/0xb0
[ 14.805565][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 14.805569][ T12] ret_from_fork+0x1db/0x270
[ 14.805571][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 14.805574][ T12] ret_from_fork_asm+0x11/0x20
[ 14.805583][ T12]
[ 14.805584][ T12] ==================================================================
[ 14.815358][ T12] Disabling lock debugging due to kernel taint
[ 14.815588][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 14.815852][ T12] #PF: supervisor write access in kernel mode
[ 14.816072][ T12] #PF: error_code(0x0002) - not-present page
[ 14.816294][ T12] PGD 0 P4D 0
[ 14.816436][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 14.816624][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 14.817027][ T12] Tainted: [B]=BAD_PAGE
[ 14.817161][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 14.817388][ T12] Workqueue: netns cleanup_net
[ 14.817584][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 14.817814][ 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 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
[ 14.818556][ T12] RSP: 0018:ffffc900000c7680 EFLAGS: 00010046
[ 14.818780][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff94249b8a
[ 14.819046][ T12] RDX: fffffbfff31ecacd RSI: 0000000000000008 RDI: ffffffff98f65660
[ 14.819402][ T12] RBP: ffffc900000c76e8 R08: 0000000000000001 R09: fffffbfff31ecacc
[ 14.819673][ T12] R10: ffffffff98f65667 R11: ffffc900000c7140 R12: 0000000000000000
[ 14.819940][ T12] R13: 0000000000000282 R14: ffff88800cc44000 R15: dffffc0000000000
[ 14.820302][ T12] FS: 0000000000000000(0000) GS:ffff8880d4187000(0000) knlGS:0000000000000000
[ 14.820619][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 14.820840][ T12] CR2: 0000000000000000 CR3: 0000000050149002 CR4: 0000000000772ef0
[ 14.821208][ T12] PKRU: 55555554
[ 14.821343][ T12] Call Trace:
[ 14.821475][ T12]
[ 14.821575][ T12] __cancel_work+0x7c/0x260
[ 14.821850][ T12] ? enable_delayed_work+0x10/0x10
[ 14.822030][ T12] ? qdisc_destroy+0x50/0x50
[ 14.822210][ T12] __cancel_work_sync+0x18/0xc0
[ 14.822387][ T12] __dev_close_many+0x1cf/0x980
[ 14.822671][ T12] ? netdev_notify_peers+0x20/0x20
[ 14.822849][ T12] ? netif_close_many+0x201/0x650
[ 14.823025][ T12] netif_close_many+0x201/0x650
[ 14.823199][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 14.823468][ T12] ? __dev_close_many+0x980/0x980
[ 14.823650][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 14.823868][ T12] ? trace_contention_end+0xd8/0x140
[ 14.824049][ T12] unregister_netdevice_many_notify+0x30a/0x1c90
[ 14.824373][ T12] ? default_device_exit_batch+0x80/0x2d0
[ 14.824555][ T12] ? rtnl_is_locked+0x15/0x20
[ 14.824731][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 14.824907][ T12] ? rtnl_is_locked+0x15/0x20
[ 14.825174][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 14.825397][ T12] ? unregister_netdevice_many+0x20/0x20
[ 14.825585][ T12] default_device_exit_batch+0x235/0x2d0
[ 14.825856][ T12] ? unregister_netdev+0x60/0x60
[ 14.826034][ T12] ops_undo_list+0x2bf/0x890
[ 14.826214][ T12] ? rtnl_net_dumpid_one+0x270/0x270
[ 14.826391][ T12] ? cleanup_net+0x2d6/0x8b0
[ 14.826670][ T12] cleanup_net+0x3b2/0x8b0
[ 14.826848][ T12] ? net_passive_dec+0x190/0x190
[ 14.827027][ T12] ? rcu_is_watching+0x12/0xb0
[ 14.827206][ T12] process_one_work+0xe35/0x1650
[ 14.827480][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 14.827662][ T12] ? assign_work+0x168/0x240
[ 14.827839][ T12] worker_thread+0x591/0xcf0
[ 14.828016][ T12] ? rescuer_thread+0xd10/0xd10
[ 14.828286][ T12] kthread+0x37b/0x5f0
[ 14.828417][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 14.828596][ T12] ? ret_from_fork+0x1b/0x270
[ 14.828778][ T12] ? __lock_release+0x5d/0x170
[ 14.828957][ T12] ? rcu_is_watching+0x12/0xb0
[ 14.829225][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 14.829402][ T12] ret_from_fork+0x1db/0x270
[ 14.829581][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 14.829758][ T12] ret_from_fork_asm+0x11/0x20
[ 14.830030][ T12]
[ 14.830164][ T12] Modules linked in:
[ 14.830306][ T12] CR2: 0000000000000000
[ 14.830438][ T12] ---[ end trace 0000000000000000 ]---
[ 14.830718][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 14.830943][ 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 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
[ 14.831671][ T12] RSP: 0018:ffffc900000c7680 EFLAGS: 00010046
[ 14.831890][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff94249b8a
[ 14.832148][ T12] RDX: fffffbfff31ecacd RSI: 0000000000000008 RDI: ffffffff98f65660
[ 14.832501][ T12] RBP: ffffc900000c76e8 R08: 0000000000000001 R09: fffffbfff31ecacc
[ 14.832763][ T12] R10: ffffffff98f65667 R11: ffffc900000c7140 R12: 0000000000000000
[ 14.833124][ T12] R13: 0000000000000282 R14: ffff88800cc44000 R15: dffffc0000000000
[ 14.833383][ T12] FS: 0000000000000000(0000) GS:ffff8880d4187000(0000) knlGS:0000000000000000
[ 14.833696][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 14.834011][ T12] CR2: 0000000000000000 CR3: 0000000050149002 CR4: 0000000000772ef0
[ 14.834294][ T12] PKRU: 55555554
[ 14.834427][ T12] Kernel panic - not syncing: Fatal exception
[ 14.834826][ T12] Kernel Offset: 0x12c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 14.835228][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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