[ 20.634776][ T70] ==================================================================
[ 20.635147][ T70] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 20.635489][ T70] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/70
[ 20.635781][ T70]
[ 20.635885][ T70] CPU: 3 UID: 0 PID: 70 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.635891][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.635894][ T70] Workqueue: netns cleanup_net
[ 20.635913][ T70] Call Trace:
[ 20.635916][ T70]
[ 20.635920][ T70] dump_stack_lvl+0x82/0xc0
[ 20.635932][ T70] ? try_to_grab_pending+0x81/0x6c0
[ 20.635937][ T70] kasan_report+0xca/0x100
[ 20.635950][ T70] ? try_to_grab_pending+0x81/0x6c0
[ 20.635958][ T70] kasan_check_range+0x39/0x1b0
[ 20.635962][ T70] try_to_grab_pending+0x81/0x6c0
[ 20.635967][ T70] __cancel_work+0x7c/0x260
[ 20.635970][ T70] ? enable_delayed_work+0x10/0x10
[ 20.635975][ T70] ? queue_delayed_work_on+0x6a/0xa0
[ 20.635980][ T70] __cancel_work_sync+0x18/0xc0
[ 20.635984][ T70] __dev_close_many+0x1cf/0x980
[ 20.635992][ T70] ? netdev_notify_peers+0x20/0x20
[ 20.635996][ T70] ? netif_close_many+0x201/0x650
[ 20.636000][ T70] netif_close_many+0x201/0x650
[ 20.636003][ T70] ? __mutex_handoff+0x2b0/0x2b0
[ 20.636012][ T70] ? __dev_close_many+0x980/0x980
[ 20.636016][ T70] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.636019][ T70] ? trace_contention_end+0xd8/0x140
[ 20.636023][ T70] unregister_netdevice_many_notify+0x30a/0x1c90
[ 20.636028][ T70] ? default_device_exit_batch+0x80/0x2d0
[ 20.636036][ T70] ? mutex_is_locked+0x1c/0x50
[ 20.636041][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 20.636046][ T70] ? rtnl_is_locked+0x15/0x20
[ 20.636053][ T70] ? unregister_netdevice_queue+0x6f/0x410
[ 20.636056][ T70] ? unregister_netdevice_many+0x20/0x20
[ 20.636060][ T70] ? unregister_netdevice_many+0x20/0x20
[ 20.636066][ T70] default_device_exit_batch+0x235/0x2d0
[ 20.636070][ T70] ? unregister_netdev+0x60/0x60
[ 20.636078][ T70] ops_undo_list+0x2bf/0x890
[ 20.636086][ T70] ? rtnl_net_dumpid_one+0x270/0x270
[ 20.636091][ T70] ? cleanup_net+0x2d6/0x8b0
[ 20.636099][ T70] cleanup_net+0x3b2/0x8b0
[ 20.636103][ T70] ? net_passive_dec+0x190/0x190
[ 20.636108][ T70] ? rcu_is_watching+0x12/0xb0
[ 20.636117][ T70] process_one_work+0xe35/0x1650
[ 20.636124][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 20.636132][ T70] ? assign_work+0x168/0x240
[ 20.636139][ T70] worker_thread+0x591/0xcf0
[ 20.636148][ T70] ? rescuer_thread+0xd10/0xd10
[ 20.636154][ T70] kthread+0x37b/0x5f0
[ 20.636163][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.636165][ T70] ? ret_from_fork+0x1b/0x270
[ 20.636177][ T70] ? __lock_release+0x5d/0x170
[ 20.636180][ T70] ? rcu_is_watching+0x12/0xb0
[ 20.636184][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.636188][ T70] ret_from_fork+0x1db/0x270
[ 20.636190][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.636193][ T70] ret_from_fork_asm+0x11/0x20
[ 20.636206][ T70]
[ 20.636207][ T70] ==================================================================
[ 20.648050][ T70] Disabling lock debugging due to kernel taint
[ 20.648325][ T70] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 20.648586][ T70] #PF: supervisor write access in kernel mode
[ 20.648886][ T70] #PF: error_code(0x0002) - not-present page
[ 20.649108][ T70] PGD 0 P4D 0
[ 20.649257][ T70] Oops: Oops: 0002 [#1] SMP KASAN
[ 20.649450][ T70] CPU: 3 UID: 0 PID: 70 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.649839][ T70] Tainted: [B]=BAD_PAGE
[ 20.649975][ T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.650220][ T70] Workqueue: netns cleanup_net
[ 20.650415][ T70] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.650644][ T70] 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
[ 20.651385][ T70] RSP: 0018:ffffc900004b7680 EFLAGS: 00010046
[ 20.651609][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb9249b8a
[ 20.651958][ T70] RDX: fffffbfff7becacd RSI: 0000000000000008 RDI: ffffffffbdf65660
[ 20.652228][ T70] RBP: ffffc900004b76e8 R08: 0000000000000001 R09: fffffbfff7becacc
[ 20.652491][ T70] R10: ffffffffbdf65667 R11: ffffc900004b7140 R12: 0000000000000000
[ 20.652838][ T70] R13: 0000000000000282 R14: ffff888001efc000 R15: dffffc0000000000
[ 20.653120][ T70] FS: 0000000000000000(0000) GS:ffff8880af287000(0000) knlGS:0000000000000000
[ 20.653436][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.653767][ T70] CR2: 0000000000000000 CR3: 000000003b149004 CR4: 0000000000772ef0
[ 20.654031][ T70] PKRU: 55555554
[ 20.654186][ T70] Call Trace:
[ 20.654418][ T70]
[ 20.654512][ T70] __cancel_work+0x7c/0x260
[ 20.654693][ T70] ? enable_delayed_work+0x10/0x10
[ 20.654870][ T70] ? queue_delayed_work_on+0x6a/0xa0
[ 20.655051][ T70] __cancel_work_sync+0x18/0xc0
[ 20.655331][ T70] __dev_close_many+0x1cf/0x980
[ 20.655503][ T70] ? netdev_notify_peers+0x20/0x20
[ 20.655677][ T70] ? netif_close_many+0x201/0x650
[ 20.655844][ T70] netif_close_many+0x201/0x650
[ 20.656126][ T70] ? __mutex_handoff+0x2b0/0x2b0
[ 20.656298][ T70] ? __dev_close_many+0x980/0x980
[ 20.656481][ T70] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.656699][ T70] ? trace_contention_end+0xd8/0x140
[ 20.656968][ T70] unregister_netdevice_many_notify+0x30a/0x1c90
[ 20.657189][ T70] ? default_device_exit_batch+0x80/0x2d0
[ 20.657371][ T70] ? mutex_is_locked+0x1c/0x50
[ 20.657660][ T70] ? dev_ingress_queue_create+0x190/0x190
[ 20.657831][ T70] ? rtnl_is_locked+0x15/0x20
[ 20.658008][ T70] ? unregister_netdevice_queue+0x6f/0x410
[ 20.658229][ T70] ? unregister_netdevice_many+0x20/0x20
[ 20.658410][ T70] ? unregister_netdevice_many+0x20/0x20
[ 20.658581][ T70] default_device_exit_batch+0x235/0x2d0
[ 20.658745][ T70] ? unregister_netdev+0x60/0x60
[ 20.658914][ T70] ops_undo_list+0x2bf/0x890
[ 20.659247][ T70] ? rtnl_net_dumpid_one+0x270/0x270
[ 20.659444][ T70] ? cleanup_net+0x2d6/0x8b0
[ 20.659621][ T70] cleanup_net+0x3b2/0x8b0
[ 20.659784][ T70] ? net_passive_dec+0x190/0x190
[ 20.660054][ T70] ? rcu_is_watching+0x12/0xb0
[ 20.660262][ T70] process_one_work+0xe35/0x1650
[ 20.660436][ T70] ? pwq_dec_nr_in_flight+0x550/0x550
[ 20.660613][ T70] ? assign_work+0x168/0x240
[ 20.660877][ T70] worker_thread+0x591/0xcf0
[ 20.661070][ T70] ? rescuer_thread+0xd10/0xd10
[ 20.661257][ T70] kthread+0x37b/0x5f0
[ 20.661384][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.661668][ T70] ? ret_from_fork+0x1b/0x270
[ 20.661840][ T70] ? __lock_release+0x5d/0x170
[ 20.662012][ T70] ? rcu_is_watching+0x12/0xb0
[ 20.662221][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.662403][ T70] ret_from_fork+0x1db/0x270
[ 20.662596][ T70] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.662877][ T70] ret_from_fork_asm+0x11/0x20
[ 20.663068][ T70]
[ 20.663348][ T70] Modules linked in:
[ 20.663493][ T70] CR2: 0000000000000000
[ 20.663624][ T70] ---[ end trace 0000000000000000 ]---
[ 20.663804][ T70] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.664022][ T70] 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
[ 20.664877][ T70] RSP: 0018:ffffc900004b7680 EFLAGS: 00010046
[ 20.665109][ T70] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb9249b8a
[ 20.665377][ T70] RDX: fffffbfff7becacd RSI: 0000000000000008 RDI: ffffffffbdf65660
[ 20.665647][ T70] RBP: ffffc900004b76e8 R08: 0000000000000001 R09: fffffbfff7becacc
[ 20.665911][ T70] R10: ffffffffbdf65667 R11: ffffc900004b7140 R12: 0000000000000000
[ 20.666190][ T70] R13: 0000000000000282 R14: ffff888001efc000 R15: dffffc0000000000
[ 20.666450][ T70] FS: 0000000000000000(0000) GS:ffff8880af287000(0000) knlGS:0000000000000000
[ 20.666956][ T70] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.667227][ T70] CR2: 0000000000000000 CR3: 000000003b149004 CR4: 0000000000772ef0
[ 20.667497][ T70] PKRU: 55555554
[ 20.667626][ T70] Kernel panic - not syncing: Fatal exception
[ 20.667946][ T70] Kernel Offset: 0x37c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 20.668478][ T70] ---[ end Kernel panic - not syncing: Fatal exception ]---
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