[ 144.346803][ T12] ==================================================================
[ 144.347123][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 144.347414][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 144.347684][ T12]
[ 144.347794][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 144.347799][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 144.347804][ T12] Workqueue: netns cleanup_net
[ 144.347813][ T12] Call Trace:
[ 144.347817][ T12]
[ 144.347820][ T12] dump_stack_lvl+0x82/0xc0
[ 144.347826][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 144.347830][ T12] kasan_report+0xca/0x100
[ 144.347838][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 144.347843][ T12] kasan_check_range+0x39/0x1b0
[ 144.347846][ T12] try_to_grab_pending+0x81/0x6c0
[ 144.347851][ T12] __cancel_work+0x7c/0x260
[ 144.347854][ T12] ? enable_delayed_work+0x10/0x10
[ 144.347858][ T12] ? qdisc_destroy+0x50/0x50
[ 144.347864][ T12] __cancel_work_sync+0x18/0xc0
[ 144.347868][ T12] __dev_close_many+0x1ce/0x810
[ 144.347874][ T12] ? netdev_notify_peers+0x20/0x20
[ 144.347877][ T12] ? netif_close_many+0x201/0x650
[ 144.347881][ T12] netif_close_many+0x201/0x650
[ 144.347884][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 144.347889][ T12] ? __dev_close_many+0x810/0x810
[ 144.347893][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 144.347897][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 144.347902][ T12] ? find_held_lock+0x2b/0x80
[ 144.347906][ T12] ? rtnl_is_locked+0x15/0x20
[ 144.347910][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 144.347914][ T12] ? rtnl_is_locked+0x15/0x20
[ 144.347916][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 144.347919][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 144.347923][ T12] ? unregister_netdevice_many+0x20/0x20
[ 144.347929][ T12] default_device_exit_batch+0x235/0x2d0
[ 144.347933][ T12] ? unregister_netdev+0x60/0x60
[ 144.347939][ T12] ops_undo_list+0x2bf/0x890
[ 144.347948][ T12] ? netns_get+0x110/0x110
[ 144.347951][ T12] ? cleanup_net+0x2d6/0x830
[ 144.347956][ T12] cleanup_net+0x3b2/0x830
[ 144.347959][ T12] ? net_passive_dec+0x190/0x190
[ 144.347962][ T12] ? rcu_is_watching+0x12/0xb0
[ 144.347967][ T12] process_one_work+0xe35/0x1650
[ 144.347973][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 144.347978][ T12] ? assign_work+0x168/0x240
[ 144.347982][ T12] worker_thread+0x591/0xcf0
[ 144.347988][ T12] ? rescuer_thread+0xd10/0xd10
[ 144.347991][ T12] kthread+0x37b/0x5f0
[ 144.347995][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 144.347997][ T12] ? ret_from_fork+0x1b/0x270
[ 144.348004][ T12] ? __lock_release+0x5d/0x170
[ 144.348008][ T12] ? rcu_is_watching+0x12/0xb0
[ 144.348011][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 144.348014][ T12] ret_from_fork+0x1db/0x270
[ 144.348018][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 144.348020][ T12] ret_from_fork_asm+0x11/0x20
[ 144.348030][ T12]
[ 144.348031][ T12] ==================================================================
[ 144.357696][ T12] Disabling lock debugging due to kernel taint
[ 144.357931][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 144.358175][ T12] #PF: supervisor write access in kernel mode
[ 144.358393][ T12] #PF: error_code(0x0002) - not-present page
[ 144.358615][ T12] PGD 0 P4D 0
[ 144.358753][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 144.358940][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 144.359335][ T12] Tainted: [B]=BAD_PAGE
[ 144.359464][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 144.359689][ T12] Workqueue: netns cleanup_net
[ 144.359877][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 144.360108][ 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 df 81 84 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 144.360786][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 144.361001][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaf640aaa
[ 144.361243][ T12] RDX: fffffbfff670fecd RSI: 0000000000000008 RDI: ffffffffb387f660
[ 144.361502][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff670fecc
[ 144.361791][ T12] R10: ffffffffb387f667 R11: ffffc900000c7180 R12: 0000000000000000
[ 144.362045][ T12] R13: 0000000000000286 R14: ffff888007f6c000 R15: dffffc0000000000
[ 144.362311][ T12] FS: 0000000000000000(0000) GS:ffff8880829ec000(0000) knlGS:0000000000000000
[ 144.362616][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 144.362841][ T12] CR2: 0000000000000000 CR3: 0000000019735002 CR4: 0000000000772ef0
[ 144.363110][ T12] PKRU: 55555554
[ 144.363241][ T12] Call Trace:
[ 144.363384][ T12]
[ 144.363473][ T12] __cancel_work+0x7c/0x260
[ 144.363657][ T12] ? enable_delayed_work+0x10/0x10
[ 144.363838][ T12] ? qdisc_destroy+0x50/0x50
[ 144.364015][ T12] __cancel_work_sync+0x18/0xc0
[ 144.364192][ T12] __dev_close_many+0x1ce/0x810
[ 144.364364][ T12] ? netdev_notify_peers+0x20/0x20
[ 144.364534][ T12] ? netif_close_many+0x201/0x650
[ 144.364705][ T12] netif_close_many+0x201/0x650
[ 144.364879][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 144.365054][ T12] ? __dev_close_many+0x810/0x810
[ 144.365221][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 144.365438][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 144.365660][ T12] ? find_held_lock+0x2b/0x80
[ 144.365836][ T12] ? rtnl_is_locked+0x15/0x20
[ 144.366014][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 144.366178][ T12] ? rtnl_is_locked+0x15/0x20
[ 144.366345][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 144.366576][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 144.366753][ T12] ? unregister_netdevice_many+0x20/0x20
[ 144.366928][ T12] default_device_exit_batch+0x235/0x2d0
[ 144.367089][ T12] ? unregister_netdev+0x60/0x60
[ 144.367255][ T12] ops_undo_list+0x2bf/0x890
[ 144.367428][ T12] ? netns_get+0x110/0x110
[ 144.367610][ T12] ? cleanup_net+0x2d6/0x830
[ 144.367791][ T12] cleanup_net+0x3b2/0x830
[ 144.367962][ T12] ? net_passive_dec+0x190/0x190
[ 144.368124][ T12] ? rcu_is_watching+0x12/0xb0
[ 144.368293][ T12] process_one_work+0xe35/0x1650
[ 144.368466][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 144.368649][ T12] ? assign_work+0x168/0x240
[ 144.368847][ T12] worker_thread+0x591/0xcf0
[ 144.369027][ T12] ? rescuer_thread+0xd10/0xd10
[ 144.369195][ T12] kthread+0x37b/0x5f0
[ 144.369338][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 144.369621][ T12] ? ret_from_fork+0x1b/0x270
[ 144.369826][ T12] ? __lock_release+0x5d/0x170
[ 144.369995][ T12] ? rcu_is_watching+0x12/0xb0
[ 144.370254][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 144.370438][ T12] ret_from_fork+0x1db/0x270
[ 144.370617][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 144.370991][ T12] ret_from_fork_asm+0x11/0x20
[ 144.371163][ T12]
[ 144.371292][ T12] Modules linked in: nf_conntrack_netlink nft_ct nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_numgen nf_tables
[ 144.371845][ T12] CR2: 0000000000000000
[ 144.371979][ T12] ---[ end trace 0000000000000000 ]---
[ 144.372140][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 144.372472][ 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 df 81 84 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 144.373191][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 144.373419][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffaf640aaa
[ 144.373677][ T12] RDX: fffffbfff670fecd RSI: 0000000000000008 RDI: ffffffffb387f660
[ 144.374034][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff670fecc
[ 144.374272][ T12] R10: ffffffffb387f667 R11: ffffc900000c7180 R12: 0000000000000000
[ 144.374648][ T12] R13: 0000000000000286 R14: ffff888007f6c000 R15: dffffc0000000000
[ 144.374912][ T12] FS: 0000000000000000(0000) GS:ffff8880829ec000(0000) knlGS:0000000000000000
[ 144.375204][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 144.375524][ T12] CR2: 0000000000000000 CR3: 0000000019735002 CR4: 0000000000772ef0
[ 144.375794][ T12] PKRU: 55555554
[ 144.375925][ T12] Kernel panic - not syncing: Fatal exception
[ 144.376323][ T12] Kernel Offset: 0x2e000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 144.376848][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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