[ 118.545455][ T12] ==================================================================
[ 118.545938][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 118.546356][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 118.546764][ T12]
[ 118.546908][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 118.546918][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.546922][ T12] Workqueue: netns cleanup_net
[ 118.546934][ T12] Call Trace:
[ 118.546937][ T12]
[ 118.546941][ T12] dump_stack_lvl+0x82/0xc0
[ 118.546950][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 118.546955][ T12] kasan_report+0xca/0x100
[ 118.546964][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 118.546972][ T12] kasan_check_range+0x39/0x1b0
[ 118.546978][ T12] try_to_grab_pending+0x81/0x6c0
[ 118.546986][ T12] __cancel_work+0x7c/0x260
[ 118.546991][ T12] ? enable_delayed_work+0x10/0x10
[ 118.546999][ T12] ? qdisc_destroy+0x50/0x50
[ 118.547007][ T12] __cancel_work_sync+0x18/0xc0
[ 118.547013][ T12] __dev_close_many+0x1ce/0x810
[ 118.547026][ T12] ? netdev_notify_peers+0x20/0x20
[ 118.547032][ T12] ? netif_close_many+0x201/0x650
[ 118.547039][ T12] netif_close_many+0x201/0x650
[ 118.547044][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 118.547053][ T12] ? __dev_close_many+0x810/0x810
[ 118.547059][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 118.547067][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 118.547072][ T12] ? find_held_lock+0x2b/0x80
[ 118.547078][ T12] ? rtnl_is_locked+0x15/0x20
[ 118.547086][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 118.547090][ T12] ? rtnl_is_locked+0x15/0x20
[ 118.547093][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 118.547097][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 118.547104][ T12] ? unregister_netdevice_many+0x20/0x20
[ 118.547113][ T12] default_device_exit_batch+0x235/0x2d0
[ 118.547118][ T12] ? unregister_netdev+0x60/0x60
[ 118.547127][ T12] ops_undo_list+0x2bf/0x890
[ 118.547135][ T12] ? netns_get+0x110/0x110
[ 118.547138][ T12] ? cleanup_net+0x2d6/0x830
[ 118.547147][ T12] cleanup_net+0x3b2/0x830
[ 118.547153][ T12] ? net_passive_dec+0x190/0x190
[ 118.547160][ T12] ? rcu_is_watching+0x12/0xb0
[ 118.547170][ T12] process_one_work+0xe35/0x1650
[ 118.547180][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 118.547189][ T12] ? assign_work+0x168/0x240
[ 118.547196][ T12] worker_thread+0x591/0xcf0
[ 118.547206][ T12] ? rescuer_thread+0xd10/0xd10
[ 118.547212][ T12] kthread+0x37b/0x5f0
[ 118.547219][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 118.547223][ T12] ? ret_from_fork+0x1b/0x270
[ 118.547230][ T12] ? __lock_release+0x5d/0x170
[ 118.547236][ T12] ? rcu_is_watching+0x12/0xb0
[ 118.547241][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 118.547247][ T12] ret_from_fork+0x1db/0x270
[ 118.547251][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 118.547255][ T12] ret_from_fork_asm+0x11/0x20
[ 118.547271][ T12]
[ 118.547273][ T12] ==================================================================
[ 118.562080][ T12] Disabling lock debugging due to kernel taint
[ 118.562574][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 118.562973][ T12] #PF: supervisor write access in kernel mode
[ 118.563293][ T12] #PF: error_code(0x0002) - not-present page
[ 118.563769][ T12] PGD 0 P4D 0
[ 118.563979][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 118.564253][ T12] CPU: 0 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 118.565004][ T12] Tainted: [B]=BAD_PAGE
[ 118.565207][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 118.565539][ T12] Workqueue: netns cleanup_net
[ 118.565829][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 118.566333][ 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 6f 7d 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 118.567271][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 118.567615][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb464190a
[ 118.568012][ T12] RDX: fffffbfff715cecd RSI: 0000000000000008 RDI: ffffffffb8ae7660
[ 118.568573][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff715cecc
[ 118.568974][ T12] R10: ffffffffb8ae7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 118.569368][ T12] R13: 0000000000000286 R14: ffff888008664000 R15: dffffc0000000000
[ 118.569937][ T12] FS: 0000000000000000(0000) GS:ffff888077984000(0000) knlGS:0000000000000000
[ 118.570415][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 118.570923][ T12] CR2: 0000000000000000 CR3: 0000000009cea004 CR4: 0000000000772ef0
[ 118.571318][ T12] PKRU: 55555554
[ 118.571517][ T12] Call Trace:
[ 118.571720][ T12]
[ 118.571861][ T12] __cancel_work+0x7c/0x260
[ 118.572285][ T12] ? enable_delayed_work+0x10/0x10
[ 118.572557][ T12] ? qdisc_destroy+0x50/0x50
[ 118.572827][ T12] __cancel_work_sync+0x18/0xc0
[ 118.573093][ T12] __dev_close_many+0x1ce/0x810
[ 118.573509][ T12] ? netdev_notify_peers+0x20/0x20
[ 118.573775][ T12] ? netif_close_many+0x201/0x650
[ 118.574041][ T12] netif_close_many+0x201/0x650
[ 118.574308][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 118.574725][ T12] ? __dev_close_many+0x810/0x810
[ 118.574988][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 118.575311][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 118.575795][ T12] ? find_held_lock+0x2b/0x80
[ 118.576055][ T12] ? rtnl_is_locked+0x15/0x20
[ 118.576319][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 118.576575][ T12] ? rtnl_is_locked+0x15/0x20
[ 118.576986][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 118.577305][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 118.577569][ T12] ? unregister_netdevice_many+0x20/0x20
[ 118.577838][ T12] default_device_exit_batch+0x235/0x2d0
[ 118.578255][ T12] ? unregister_netdev+0x60/0x60
[ 118.578516][ T12] ops_undo_list+0x2bf/0x890
[ 118.578779][ T12] ? netns_get+0x110/0x110
[ 118.579034][ T12] ? cleanup_net+0x2d6/0x830
[ 118.579451][ T12] cleanup_net+0x3b2/0x830
[ 118.579712][ T12] ? net_passive_dec+0x190/0x190
[ 118.579978][ T12] ? rcu_is_watching+0x12/0xb0
[ 118.580265][ T12] process_one_work+0xe35/0x1650
[ 118.580682][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 118.580941][ T12] ? assign_work+0x168/0x240
[ 118.581205][ T12] worker_thread+0x591/0xcf0
[ 118.581470][ T12] ? rescuer_thread+0xd10/0xd10
[ 118.581884][ T12] kthread+0x37b/0x5f0
[ 118.582086][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 118.582346][ T12] ? ret_from_fork+0x1b/0x270
[ 118.582609][ T12] ? __lock_release+0x5d/0x170
[ 118.583022][ T12] ? rcu_is_watching+0x12/0xb0
[ 118.583281][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 118.583540][ T12] ret_from_fork+0x1db/0x270
[ 118.583795][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 118.584209][ T12] ret_from_fork_asm+0x11/0x20
[ 118.584484][ T12]
[ 118.584681][ T12] Modules linked in:
[ 118.584890][ T12] CR2: 0000000000000000
[ 118.585096][ T12] ---[ end trace 0000000000000000 ]---
[ 118.585512][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 118.585851][ 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 6f 7d 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 118.586940][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 118.587275][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb464190a
[ 118.587814][ T12] RDX: fffffbfff715cecd RSI: 0000000000000008 RDI: ffffffffb8ae7660
[ 118.588206][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff715cecc
[ 118.588596][ T12] R10: ffffffffb8ae7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 118.589148][ T12] R13: 0000000000000286 R14: ffff888008664000 R15: dffffc0000000000
[ 118.589539][ T12] FS: 0000000000000000(0000) GS:ffff888077984000(0000) knlGS:0000000000000000
[ 118.589992][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 118.590478][ T12] CR2: 0000000000000000 CR3: 0000000009cea004 CR4: 0000000000772ef0
[ 118.590870][ T12] PKRU: 55555554
[ 118.591074][ T12] Kernel panic - not syncing: Fatal exception
[ 118.591651][ T12] Kernel Offset: 0x33000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 118.592275][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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