[ 19.634655][ T68] ==================================================================
[ 19.634990][ T68] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 19.635282][ T68] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/68
[ 19.635557][ T68]
[ 19.635658][ T68] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 19.635664][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.635667][ T68] Workqueue: netns cleanup_net
[ 19.635679][ T68] Call Trace:
[ 19.635681][ T68]
[ 19.635684][ T68] dump_stack_lvl+0x82/0xc0
[ 19.635692][ T68] ? try_to_grab_pending+0x81/0x6c0
[ 19.635696][ T68] kasan_report+0xca/0x100
[ 19.635704][ T68] ? try_to_grab_pending+0x81/0x6c0
[ 19.635710][ T68] kasan_check_range+0x39/0x1b0
[ 19.635714][ T68] try_to_grab_pending+0x81/0x6c0
[ 19.635717][ T68] ? irqentry_exit+0x3b/0x80
[ 19.635725][ T68] __cancel_work+0x7c/0x260
[ 19.635728][ T68] ? enable_delayed_work+0x10/0x10
[ 19.635734][ T68] ? queue_delayed_work_on+0x53/0xa0
[ 19.635739][ T68] __cancel_work_sync+0x18/0xc0
[ 19.635743][ T68] __dev_close_many+0x1cf/0x980
[ 19.635749][ T68] ? netdev_notify_peers+0x20/0x20
[ 19.635753][ T68] ? netif_close_many+0x201/0x650
[ 19.635757][ T68] netif_close_many+0x201/0x650
[ 19.635760][ T68] ? __mutex_handoff+0x2b0/0x2b0
[ 19.635766][ T68] ? __dev_close_many+0x980/0x980
[ 19.635769][ T68] ? netif_close_many_and_unlock+0x21/0x2a0
[ 19.635772][ T68] ? trace_contention_end+0xd8/0x140
[ 19.635777][ T68] unregister_netdevice_many_notify+0x30a/0x1c90
[ 19.635781][ T68] ? default_device_exit_batch+0x80/0x2d0
[ 19.635786][ T68] ? mutex_is_locked+0x1c/0x50
[ 19.635789][ T68] ? dev_ingress_queue_create+0x190/0x190
[ 19.635792][ T68] ? rtnl_is_locked+0x15/0x20
[ 19.635797][ T68] ? unregister_netdevice_queue+0x6f/0x410
[ 19.635799][ T68] ? unregister_netdevice_many+0x20/0x20
[ 19.635803][ T68] ? unregister_netdevice_many+0x20/0x20
[ 19.635809][ T68] default_device_exit_batch+0x235/0x2d0
[ 19.635813][ T68] ? unregister_netdev+0x60/0x60
[ 19.635819][ T68] ops_undo_list+0x2bf/0x890
[ 19.635824][ T68] ? rtnl_net_dumpid_one+0x270/0x270
[ 19.635828][ T68] ? cleanup_net+0x2d6/0x8b0
[ 19.635834][ T68] cleanup_net+0x3b2/0x8b0
[ 19.635838][ T68] ? net_passive_dec+0x190/0x190
[ 19.635843][ T68] ? rcu_is_watching+0x12/0xb0
[ 19.635850][ T68] process_one_work+0xe35/0x1650
[ 19.635857][ T68] ? pwq_dec_nr_in_flight+0x550/0x550
[ 19.635863][ T68] ? assign_work+0x168/0x240
[ 19.635871][ T68] worker_thread+0x591/0xcf0
[ 19.635880][ T68] ? rescuer_thread+0xd10/0xd10
[ 19.635885][ T68] kthread+0x37b/0x5f0
[ 19.635889][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.635892][ T68] ? ret_from_fork+0x1b/0x270
[ 19.635896][ T68] ? __lock_release+0x5d/0x170
[ 19.635900][ T68] ? rcu_is_watching+0x12/0xb0
[ 19.635903][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.635907][ T68] ret_from_fork+0x1db/0x270
[ 19.635909][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.635912][ T68] ret_from_fork_asm+0x11/0x20
[ 19.635921][ T68]
[ 19.635923][ T68] ==================================================================
[ 19.646441][ T68] Disabling lock debugging due to kernel taint
[ 19.646681][ T68] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 19.646966][ T68] #PF: supervisor write access in kernel mode
[ 19.647189][ T68] #PF: error_code(0x0002) - not-present page
[ 19.647419][ T68] PGD 0 P4D 0
[ 19.647564][ T68] Oops: Oops: 0002 [#1] SMP KASAN
[ 19.647756][ T68] CPU: 1 UID: 0 PID: 68 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 19.648182][ T68] Tainted: [B]=BAD_PAGE
[ 19.648325][ T68] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 19.648556][ T68] Workqueue: netns cleanup_net
[ 19.648765][ T68] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 19.649023][ 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 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
[ 19.649690][ T68] RSP: 0018:ffffc90000497680 EFLAGS: 00010046
[ 19.649927][ T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8c049b8a
[ 19.650202][ T68] RDX: fffffbfff21acacd RSI: 0000000000000008 RDI: ffffffff90d65660
[ 19.650475][ T68] RBP: ffffc900004976e8 R08: 0000000000000001 R09: fffffbfff21acacc
[ 19.650746][ T68] R10: ffffffff90d65667 R11: ffffc90000497140 R12: 0000000000000000
[ 19.651032][ T68] R13: 0000000000000282 R14: ffff88800f469000 R15: dffffc0000000000
[ 19.651298][ T68] FS: 0000000000000000(0000) GS:ffff8880dc387000(0000) knlGS:0000000000000000
[ 19.651618][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.651857][ T68] CR2: 0000000000000000 CR3: 0000000036f49006 CR4: 0000000000772ef0
[ 19.652144][ T68] PKRU: 55555554
[ 19.652281][ T68] Call Trace:
[ 19.652418][ T68]
[ 19.652515][ T68] ? irqentry_exit+0x3b/0x80
[ 19.652708][ T68] __cancel_work+0x7c/0x260
[ 19.652898][ T68] ? enable_delayed_work+0x10/0x10
[ 19.653085][ T68] ? queue_delayed_work_on+0x53/0xa0
[ 19.653267][ T68] __cancel_work_sync+0x18/0xc0
[ 19.653458][ T68] __dev_close_many+0x1cf/0x980
[ 19.653661][ T68] ? netdev_notify_peers+0x20/0x20
[ 19.653844][ T68] ? netif_close_many+0x201/0x650
[ 19.654042][ T68] netif_close_many+0x201/0x650
[ 19.654228][ T68] ? __mutex_handoff+0x2b0/0x2b0
[ 19.654417][ T68] ? __dev_close_many+0x980/0x980
[ 19.654597][ T68] ? netif_close_many_and_unlock+0x21/0x2a0
[ 19.654828][ T68] ? trace_contention_end+0xd8/0x140
[ 19.655042][ T68] unregister_netdevice_many_notify+0x30a/0x1c90
[ 19.655271][ T68] ? default_device_exit_batch+0x80/0x2d0
[ 19.655471][ T68] ? mutex_is_locked+0x1c/0x50
[ 19.655640][ T68] ? dev_ingress_queue_create+0x190/0x190
[ 19.655806][ T68] ? rtnl_is_locked+0x15/0x20
[ 19.656003][ T68] ? unregister_netdevice_queue+0x6f/0x410
[ 19.656224][ T68] ? unregister_netdevice_many+0x20/0x20
[ 19.656412][ T68] ? unregister_netdevice_many+0x20/0x20
[ 19.656592][ T68] default_device_exit_batch+0x235/0x2d0
[ 19.656780][ T68] ? unregister_netdev+0x60/0x60
[ 19.656969][ T68] ops_undo_list+0x2bf/0x890
[ 19.657154][ T68] ? rtnl_net_dumpid_one+0x270/0x270
[ 19.657330][ T68] ? cleanup_net+0x2d6/0x8b0
[ 19.657516][ T68] cleanup_net+0x3b2/0x8b0
[ 19.657700][ T68] ? net_passive_dec+0x190/0x190
[ 19.657884][ T68] ? rcu_is_watching+0x12/0xb0
[ 19.658065][ T68] process_one_work+0xe35/0x1650
[ 19.658246][ T68] ? pwq_dec_nr_in_flight+0x550/0x550
[ 19.658431][ T68] ? assign_work+0x168/0x240
[ 19.658613][ T68] worker_thread+0x591/0xcf0
[ 19.658802][ T68] ? rescuer_thread+0xd10/0xd10
[ 19.658994][ T68] kthread+0x37b/0x5f0
[ 19.659134][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.659316][ T68] ? ret_from_fork+0x1b/0x270
[ 19.659505][ T68] ? __lock_release+0x5d/0x170
[ 19.659696][ T68] ? rcu_is_watching+0x12/0xb0
[ 19.659883][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.660069][ T68] ret_from_fork+0x1db/0x270
[ 19.660249][ T68] ? kthread_is_per_cpu+0xc0/0xc0
[ 19.660440][ T68] ret_from_fork_asm+0x11/0x20
[ 19.660634][ T68]
[ 19.660780][ T68] Modules linked in:
[ 19.660931][ T68] CR2: 0000000000000000
[ 19.661068][ T68] ---[ end trace 0000000000000000 ]---
[ 19.661248][ T68] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 19.661490][ 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 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
[ 19.662144][ T68] RSP: 0018:ffffc90000497680 EFLAGS: 00010046
[ 19.662374][ T68] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8c049b8a
[ 19.662651][ T68] RDX: fffffbfff21acacd RSI: 0000000000000008 RDI: ffffffff90d65660
[ 19.662928][ T68] RBP: ffffc900004976e8 R08: 0000000000000001 R09: fffffbfff21acacc
[ 19.663203][ T68] R10: ffffffff90d65667 R11: ffffc90000497140 R12: 0000000000000000
[ 19.663482][ T68] R13: 0000000000000282 R14: ffff88800f469000 R15: dffffc0000000000
[ 19.663772][ T68] FS: 0000000000000000(0000) GS:ffff8880dc387000(0000) knlGS:0000000000000000
[ 19.664099][ T68] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 19.664331][ T68] CR2: 0000000000000000 CR3: 0000000036f49006 CR4: 0000000000772ef0
[ 19.664607][ T68] PKRU: 55555554
[ 19.664747][ T68] Kernel panic - not syncing: Fatal exception
[ 19.665054][ T68] Kernel Offset: 0xaa00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 19.665482][ T68] ---[ end Kernel panic - not syncing: Fatal exception ]---
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