[ 20.823307][ T12] ==================================================================
[ 20.823640][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 20.824158][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 20.824594][ T12]
[ 20.824726][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.824732][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.824736][ T12] Workqueue: netns cleanup_net
[ 20.824752][ T12] Call Trace:
[ 20.824756][ T12]
[ 20.824759][ T12] dump_stack_lvl+0x82/0xc0
[ 20.824774][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 20.824779][ T12] kasan_report+0xca/0x100
[ 20.824787][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 20.824792][ T12] kasan_check_range+0x39/0x1b0
[ 20.824795][ T12] try_to_grab_pending+0x81/0x6c0
[ 20.824798][ T12] ? irqentry_exit+0x3b/0x80
[ 20.824808][ T12] __cancel_work+0x7c/0x260
[ 20.824811][ T12] ? enable_delayed_work+0x10/0x10
[ 20.824816][ T12] ? queue_delayed_work_on+0x53/0xa0
[ 20.824820][ T12] __cancel_work_sync+0x18/0xc0
[ 20.824824][ T12] __dev_close_many+0x1ce/0x810
[ 20.824833][ T12] ? netdev_notify_peers+0x20/0x20
[ 20.824839][ T12] ? netif_close_many+0x201/0x650
[ 20.824846][ T12] netif_close_many+0x201/0x650
[ 20.824854][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 20.824863][ T12] ? __dev_close_many+0x810/0x810
[ 20.824866][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.824873][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 20.824881][ T12] ? find_held_lock+0x2b/0x80
[ 20.824888][ T12] ? mutex_is_locked+0x1c/0x50
[ 20.824891][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 20.824894][ T12] ? rtnl_is_locked+0x15/0x20
[ 20.824897][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 20.824901][ T12] ? unregister_netdevice_many+0x20/0x20
[ 20.824904][ T12] ? unregister_netdevice_many+0x20/0x20
[ 20.824910][ T12] default_device_exit_batch+0x235/0x2d0
[ 20.824914][ T12] ? unregister_netdev+0x60/0x60
[ 20.824920][ T12] ops_undo_list+0x2bf/0x890
[ 20.824924][ T12] ? netns_get+0x110/0x110
[ 20.824927][ T12] ? cleanup_net+0x2d6/0x830
[ 20.824932][ T12] cleanup_net+0x3b2/0x830
[ 20.824935][ T12] ? net_passive_dec+0x190/0x190
[ 20.824939][ T12] ? rcu_is_watching+0x12/0xb0
[ 20.824947][ T12] process_one_work+0xe35/0x1650
[ 20.824953][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 20.824961][ T12] ? assign_work+0x168/0x240
[ 20.824970][ T12] worker_thread+0x591/0xcf0
[ 20.824977][ T12] ? rescuer_thread+0xd10/0xd10
[ 20.824982][ T12] kthread+0x37b/0x5f0
[ 20.824988][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.824990][ T12] ? ret_from_fork+0x1b/0x270
[ 20.825011][ T12] ? __lock_release+0x5d/0x170
[ 20.825016][ T12] ? rcu_is_watching+0x12/0xb0
[ 20.825018][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.825022][ T12] ret_from_fork+0x1db/0x270
[ 20.825025][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.825028][ T12] ret_from_fork_asm+0x11/0x20
[ 20.825041][ T12]
[ 20.825043][ T12] ==================================================================
[ 20.835425][ T12] Disabling lock debugging due to kernel taint
[ 20.835673][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 20.835948][ T12] #PF: supervisor write access in kernel mode
[ 20.836161][ T12] #PF: error_code(0x0002) - not-present page
[ 20.836362][ T12] PGD 0 P4D 0
[ 20.836516][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 20.836716][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.837218][ T12] Tainted: [B]=BAD_PAGE
[ 20.837356][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.837599][ T12] Workqueue: netns cleanup_net
[ 20.837799][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.838041][ 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 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 20.838701][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 20.838929][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8da3f90a
[ 20.839200][ T12] RDX: fffffbfff238b6cd RSI: 0000000000000008 RDI: ffffffff91c5b660
[ 20.839460][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff238b6cc
[ 20.839762][ T12] R10: ffffffff91c5b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 20.840067][ T12] R13: 0000000000000286 R14: ffff8880027c9000 R15: dffffc0000000000
[ 20.840368][ T12] FS: 0000000000000000(0000) GS:ffff8880a4710000(0000) knlGS:0000000000000000
[ 20.840761][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.841011][ T12] CR2: 0000000000000000 CR3: 000000001d535003 CR4: 0000000000772ef0
[ 20.841314][ T12] PKRU: 55555554
[ 20.841486][ T12] Call Trace:
[ 20.841642][ T12]
[ 20.841733][ T12] ? irqentry_exit+0x3b/0x80
[ 20.841963][ T12] __cancel_work+0x7c/0x260
[ 20.842145][ T12] ? enable_delayed_work+0x10/0x10
[ 20.842314][ T12] ? queue_delayed_work_on+0x53/0xa0
[ 20.842483][ T12] __cancel_work_sync+0x18/0xc0
[ 20.842667][ T12] __dev_close_many+0x1ce/0x810
[ 20.842848][ T12] ? netdev_notify_peers+0x20/0x20
[ 20.843021][ T12] ? netif_close_many+0x201/0x650
[ 20.843192][ T12] netif_close_many+0x201/0x650
[ 20.843365][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 20.843596][ T12] ? __dev_close_many+0x810/0x810
[ 20.843789][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.844073][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 20.844322][ T12] ? find_held_lock+0x2b/0x80
[ 20.844525][ T12] ? mutex_is_locked+0x1c/0x50
[ 20.844701][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 20.844944][ T12] ? rtnl_is_locked+0x15/0x20
[ 20.845116][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 20.845327][ T12] ? unregister_netdevice_many+0x20/0x20
[ 20.845646][ T12] ? unregister_netdevice_many+0x20/0x20
[ 20.845910][ T12] default_device_exit_batch+0x235/0x2d0
[ 20.846110][ T12] ? unregister_netdev+0x60/0x60
[ 20.846348][ T12] ops_undo_list+0x2bf/0x890
[ 20.846540][ T12] ? netns_get+0x110/0x110
[ 20.846739][ T12] ? cleanup_net+0x2d6/0x830
[ 20.846960][ T12] cleanup_net+0x3b2/0x830
[ 20.847166][ T12] ? net_passive_dec+0x190/0x190
[ 20.847365][ T12] ? rcu_is_watching+0x12/0xb0
[ 20.847578][ T12] process_one_work+0xe35/0x1650
[ 20.847824][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 20.848092][ T12] ? assign_work+0x168/0x240
[ 20.848471][ T12] worker_thread+0x591/0xcf0
[ 20.848695][ T12] ? rescuer_thread+0xd10/0xd10
[ 20.848873][ T12] kthread+0x37b/0x5f0
[ 20.849003][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.849271][ T12] ? ret_from_fork+0x1b/0x270
[ 20.849441][ T12] ? __lock_release+0x5d/0x170
[ 20.849686][ T12] ? rcu_is_watching+0x12/0xb0
[ 20.849866][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.850229][ T12] ret_from_fork+0x1db/0x270
[ 20.850449][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.850616][ T12] ret_from_fork_asm+0x11/0x20
[ 20.850786][ T12]
[ 20.850983][ T12] Modules linked in: veth
[ 20.851326][ T12] CR2: 0000000000000000
[ 20.851457][ T12] ---[ end trace 0000000000000000 ]---
[ 20.851628][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.851855][ 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 7f 7f 81 00 48 0f ba 2b 00 72 11 48 83 c4 10 31 c0 5b 5d 41 5c 41 5d 41 5e
[ 20.852566][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 20.852979][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8da3f90a
[ 20.853288][ T12] RDX: fffffbfff238b6cd RSI: 0000000000000008 RDI: ffffffff91c5b660
[ 20.853535][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff238b6cc
[ 20.853908][ T12] R10: ffffffff91c5b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 20.854295][ T12] R13: 0000000000000286 R14: ffff8880027c9000 R15: dffffc0000000000
[ 20.854562][ T12] FS: 0000000000000000(0000) GS:ffff8880a4710000(0000) knlGS:0000000000000000
[ 20.855062][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.855293][ T12] CR2: 0000000000000000 CR3: 000000001d535003 CR4: 0000000000772ef0
[ 20.855660][ T12] PKRU: 55555554
[ 20.855789][ T12] Kernel panic - not syncing: Fatal exception
[ 20.856112][ T12] Kernel Offset: 0xc400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 20.856722][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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