[ 45.607878][ T12] ==================================================================
[ 45.608247][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 45.608582][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 45.608878][ T12]
[ 45.608986][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 45.608991][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.608995][ T12] Workqueue: netns cleanup_net
[ 45.609006][ T12] Call Trace:
[ 45.609011][ T12]
[ 45.609014][ T12] dump_stack_lvl+0x82/0xc0
[ 45.609023][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 45.609028][ T12] kasan_report+0xca/0x100
[ 45.609036][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 45.609041][ T12] kasan_check_range+0x39/0x1b0
[ 45.609046][ T12] try_to_grab_pending+0x81/0x6c0
[ 45.609050][ T12] __cancel_work+0x7c/0x260
[ 45.609054][ T12] ? enable_delayed_work+0x10/0x10
[ 45.609059][ T12] ? qdisc_destroy+0x50/0x50
[ 45.609069][ T12] __cancel_work_sync+0x18/0xc0
[ 45.609073][ T12] __dev_close_many+0x1cf/0x980
[ 45.609079][ T12] ? netdev_notify_peers+0x20/0x20
[ 45.609083][ T12] ? netif_close_many+0x201/0x650
[ 45.609087][ T12] netif_close_many+0x201/0x650
[ 45.609090][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 45.609097][ T12] ? __dev_close_many+0x980/0x980
[ 45.609101][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 45.609104][ T12] ? trace_contention_end+0xd8/0x140
[ 45.609108][ T12] unregister_netdevice_many_notify+0x30a/0x1c90
[ 45.609112][ T12] ? default_device_exit_batch+0x80/0x2d0
[ 45.609117][ T12] ? rtnl_is_locked+0x15/0x20
[ 45.609122][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 45.609126][ T12] ? rtnl_is_locked+0x15/0x20
[ 45.609128][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 45.609132][ T12] ? unregister_netdevice_many+0x20/0x20
[ 45.609138][ T12] default_device_exit_batch+0x235/0x2d0
[ 45.609141][ T12] ? unregister_netdev+0x60/0x60
[ 45.609148][ T12] ops_undo_list+0x2bf/0x890
[ 45.609154][ T12] ? rtnl_net_dumpid_one+0x270/0x270
[ 45.609157][ T12] ? cleanup_net+0x2d6/0x8b0
[ 45.609163][ T12] cleanup_net+0x3b2/0x8b0
[ 45.609167][ T12] ? net_passive_dec+0x190/0x190
[ 45.609172][ T12] ? rcu_is_watching+0x12/0xb0
[ 45.609179][ T12] process_one_work+0xe35/0x1650
[ 45.609186][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 45.609192][ T12] ? assign_work+0x168/0x240
[ 45.609196][ T12] worker_thread+0x591/0xcf0
[ 45.609202][ T12] ? rescuer_thread+0xd10/0xd10
[ 45.609206][ T12] kthread+0x37b/0x5f0
[ 45.609211][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 45.609213][ T12] ? ret_from_fork+0x1b/0x270
[ 45.609219][ T12] ? __lock_release+0x5d/0x170
[ 45.609223][ T12] ? rcu_is_watching+0x12/0xb0
[ 45.609226][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 45.609230][ T12] ret_from_fork+0x1db/0x270
[ 45.609232][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 45.609235][ T12] ret_from_fork_asm+0x11/0x20
[ 45.609246][ T12]
[ 45.609247][ T12] ==================================================================
[ 45.619425][ T12] Disabling lock debugging due to kernel taint
[ 45.619771][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 45.620055][ T12] #PF: supervisor write access in kernel mode
[ 45.620295][ T12] #PF: error_code(0x0002) - not-present page
[ 45.620623][ T12] PGD 0 P4D 0
[ 45.620766][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 45.620974][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 45.621493][ T12] Tainted: [B]=BAD_PAGE
[ 45.621634][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 45.621877][ T12] Workqueue: netns cleanup_net
[ 45.622095][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 45.622336][ 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
[ 45.623116][ T12] RSP: 0000:ffffc900000c7680 EFLAGS: 00010046
[ 45.623352][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8d649b8a
[ 45.623633][ T12] RDX: fffffbfff246cacd RSI: 0000000000000008 RDI: ffffffff92365660
[ 45.624026][ T12] RBP: ffffc900000c76e8 R08: 0000000000000001 R09: fffffbfff246cacc
[ 45.624294][ T12] R10: ffffffff92365667 R11: ffffc900000c7140 R12: 0000000000000000
[ 45.624581][ T12] R13: 0000000000000282 R14: ffff88800aaa4000 R15: dffffc0000000000
[ 45.624981][ T12] FS: 0000000000000000(0000) GS:ffff8880dad07000(0000) knlGS:0000000000000000
[ 45.625290][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.625623][ T12] CR2: 0000000000000000 CR3: 000000000f337003 CR4: 0000000000772ef0
[ 45.625907][ T12] PKRU: 55555554
[ 45.626080][ T12] Call Trace:
[ 45.626227][ T12]
[ 45.626331][ T12] __cancel_work+0x7c/0x260
[ 45.626625][ T12] ? enable_delayed_work+0x10/0x10
[ 45.626826][ T12] ? qdisc_destroy+0x50/0x50
[ 45.627027][ T12] __cancel_work_sync+0x18/0xc0
[ 45.627207][ T12] __dev_close_many+0x1cf/0x980
[ 45.627503][ T12] ? netdev_notify_peers+0x20/0x20
[ 45.627698][ T12] ? netif_close_many+0x201/0x650
[ 45.627912][ T12] netif_close_many+0x201/0x650
[ 45.628105][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 45.628298][ T12] ? __dev_close_many+0x980/0x980
[ 45.628492][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 45.628728][ T12] ? trace_contention_end+0xd8/0x140
[ 45.629040][ T12] unregister_netdevice_many_notify+0x30a/0x1c90
[ 45.629282][ T12] ? default_device_exit_batch+0x80/0x2d0
[ 45.629509][ T12] ? rtnl_is_locked+0x15/0x20
[ 45.629701][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 45.630010][ T12] ? rtnl_is_locked+0x15/0x20
[ 45.630227][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 45.630465][ T12] ? unregister_netdevice_many+0x20/0x20
[ 45.630659][ T12] default_device_exit_batch+0x235/0x2d0
[ 45.630971][ T12] ? unregister_netdev+0x60/0x60
[ 45.631171][ T12] ops_undo_list+0x2bf/0x890
[ 45.631368][ T12] ? rtnl_net_dumpid_one+0x270/0x270
[ 45.631559][ T12] ? cleanup_net+0x2d6/0x8b0
[ 45.631897][ T12] cleanup_net+0x3b2/0x8b0
[ 45.632093][ T12] ? net_passive_dec+0x190/0x190
[ 45.632285][ T12] ? rcu_is_watching+0x12/0xb0
[ 45.632481][ T12] process_one_work+0xe35/0x1650
[ 45.632772][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 45.632997][ T12] ? assign_work+0x168/0x240
[ 45.633191][ T12] worker_thread+0x591/0xcf0
[ 45.633385][ T12] ? rescuer_thread+0xd10/0xd10
[ 45.633673][ T12] kthread+0x37b/0x5f0
[ 45.633822][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 45.634037][ T12] ? ret_from_fork+0x1b/0x270
[ 45.634230][ T12] ? __lock_release+0x5d/0x170
[ 45.634512][ T12] ? rcu_is_watching+0x12/0xb0
[ 45.634715][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 45.634929][ T12] ret_from_fork+0x1db/0x270
[ 45.635122][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 45.635408][ T12] ret_from_fork_asm+0x11/0x20
[ 45.635611][ T12]
[ 45.635765][ T12] Modules linked in: xt_conntrack nf_conntrack nf_defrag_ipv4 nft_compat nf_tables nf_defrag_ipv6
[ 45.636287][ T12] CR2: 0000000000000000
[ 45.636437][ T12] ---[ end trace 0000000000000000 ]---
[ 45.636634][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 45.636901][ 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
[ 45.637697][ T12] RSP: 0000:ffffc900000c7680 EFLAGS: 00010046
[ 45.637978][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8d649b8a
[ 45.638373][ T12] RDX: fffffbfff246cacd RSI: 0000000000000008 RDI: ffffffff92365660
[ 45.638677][ T12] RBP: ffffc900000c76e8 R08: 0000000000000001 R09: fffffbfff246cacc
[ 45.639086][ T12] R10: ffffffff92365667 R11: ffffc900000c7140 R12: 0000000000000000
[ 45.639380][ T12] R13: 0000000000000282 R14: ffff88800aaa4000 R15: dffffc0000000000
[ 45.639680][ T12] FS: 0000000000000000(0000) GS:ffff8880dad07000(0000) knlGS:0000000000000000
[ 45.640150][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 45.640411][ T12] CR2: 0000000000000000 CR3: 000000000f337003 CR4: 0000000000772ef0
[ 45.640686][ T12] PKRU: 55555554
[ 45.640945][ T12] Kernel panic - not syncing: Fatal exception
[ 45.641294][ T12] Kernel Offset: 0xc000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 45.641847][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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