[ 15.222408][ T228] icmps-discard_i (228) used greatest stack depth: 24256 bytes left
[ 15.242895][ T12] ==================================================================
[ 15.243222][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 15.243516][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 15.243838][ T12]
[ 15.243967][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 15.243972][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.243975][ T12] Workqueue: netns cleanup_net
[ 15.243984][ T12] Call Trace:
[ 15.243986][ T12]
[ 15.243988][ T12] dump_stack_lvl+0x82/0xc0
[ 15.243996][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 15.243999][ T12] kasan_report+0xca/0x100
[ 15.244008][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 15.244013][ T12] kasan_check_range+0x39/0x1b0
[ 15.244016][ T12] try_to_grab_pending+0x81/0x6c0
[ 15.244018][ T12] ? netif_close_many+0x201/0x650
[ 15.244025][ T12] __cancel_work+0x7c/0x260
[ 15.244028][ T12] ? enable_delayed_work+0x10/0x10
[ 15.244032][ T12] ? queue_delayed_work_on+0x6a/0xa0
[ 15.244037][ T12] __cancel_work_sync+0x18/0xc0
[ 15.244041][ T12] __dev_close_many+0x1ce/0x810
[ 15.244044][ T12] ? netdev_notify_peers+0x20/0x20
[ 15.244048][ T12] ? netif_close_many+0x201/0x650
[ 15.244052][ T12] netif_close_many+0x201/0x650
[ 15.244055][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 15.244060][ T12] ? __dev_close_many+0x810/0x810
[ 15.244064][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 15.244068][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 15.244074][ T12] ? find_held_lock+0x2b/0x80
[ 15.244080][ T12] ? mutex_is_locked+0x1c/0x50
[ 15.244083][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 15.244086][ T12] ? rtnl_is_locked+0x15/0x20
[ 15.244090][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 15.244093][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.244097][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.244103][ T12] default_device_exit_batch+0x235/0x2d0
[ 15.244107][ T12] ? unregister_netdev+0x60/0x60
[ 15.244113][ T12] ops_undo_list+0x2bf/0x890
[ 15.244118][ T12] ? netns_get+0x110/0x110
[ 15.244120][ T12] ? cleanup_net+0x2d6/0x830
[ 15.244125][ T12] cleanup_net+0x3b2/0x830
[ 15.244128][ T12] ? net_passive_dec+0x190/0x190
[ 15.244131][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.244139][ T12] process_one_work+0xe35/0x1650
[ 15.244144][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 15.244150][ T12] ? assign_work+0x168/0x240
[ 15.244154][ T12] worker_thread+0x591/0xcf0
[ 15.244159][ T12] ? rescuer_thread+0xd10/0xd10
[ 15.244163][ T12] kthread+0x37b/0x5f0
[ 15.244167][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.244169][ T12] ? ret_from_fork+0x1b/0x270
[ 15.244178][ T12] ? __lock_release+0x5d/0x170
[ 15.244183][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.244185][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.244188][ T12] ret_from_fork+0x1db/0x270
[ 15.244191][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.244194][ T12] ret_from_fork_asm+0x11/0x20
[ 15.244203][ T12]
[ 15.244204][ T12] ==================================================================
[ 15.254519][ T12] Disabling lock debugging due to kernel taint
[ 15.254765][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 15.255032][ T12] #PF: supervisor write access in kernel mode
[ 15.255271][ T12] #PF: error_code(0x0002) - not-present page
[ 15.255509][ T12] PGD 0 P4D 0
[ 15.255668][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 15.255851][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 15.256267][ T12] Tainted: [B]=BAD_PAGE
[ 15.256416][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 15.256656][ T12] Workqueue: netns cleanup_net
[ 15.256851][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 15.257090][ 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
[ 15.257750][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 15.257981][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9903f90a
[ 15.258261][ T12] RDX: fffffbfff3a4b6cd RSI: 0000000000000008 RDI: ffffffff9d25b660
[ 15.258535][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff3a4b6cc
[ 15.258814][ T12] R10: ffffffff9d25b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 15.259080][ T12] R13: 0000000000000286 R14: ffff88800c1dc000 R15: dffffc0000000000
[ 15.259362][ T12] FS: 0000000000000000(0000) GS:ffff888093490000(0000) knlGS:0000000000000000
[ 15.259682][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.259911][ T12] CR2: 0000000000000000 CR3: 0000000035935001 CR4: 0000000000772ef0
[ 15.260190][ T12] PKRU: 55555554
[ 15.260327][ T12] Call Trace:
[ 15.260464][ T12]
[ 15.260556][ T12] ? netif_close_many+0x201/0x650
[ 15.260758][ T12] __cancel_work+0x7c/0x260
[ 15.260943][ T12] ? enable_delayed_work+0x10/0x10
[ 15.261120][ T12] ? queue_delayed_work_on+0x6a/0xa0
[ 15.261309][ T12] __cancel_work_sync+0x18/0xc0
[ 15.261493][ T12] __dev_close_many+0x1ce/0x810
[ 15.261678][ T12] ? netdev_notify_peers+0x20/0x20
[ 15.261909][ T12] ? netif_close_many+0x201/0x650
[ 15.262093][ T12] netif_close_many+0x201/0x650
[ 15.262279][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 15.262461][ T12] ? __dev_close_many+0x810/0x810
[ 15.262649][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 15.262877][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 15.263098][ T12] ? find_held_lock+0x2b/0x80
[ 15.263281][ T12] ? mutex_is_locked+0x1c/0x50
[ 15.263460][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 15.263660][ T12] ? rtnl_is_locked+0x15/0x20
[ 15.263845][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 15.264083][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.264276][ T12] ? unregister_netdevice_many+0x20/0x20
[ 15.264461][ T12] default_device_exit_batch+0x235/0x2d0
[ 15.264653][ T12] ? unregister_netdev+0x60/0x60
[ 15.264844][ T12] ops_undo_list+0x2bf/0x890
[ 15.265032][ T12] ? netns_get+0x110/0x110
[ 15.265218][ T12] ? cleanup_net+0x2d6/0x830
[ 15.265403][ T12] cleanup_net+0x3b2/0x830
[ 15.265585][ T12] ? net_passive_dec+0x190/0x190
[ 15.265774][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.265957][ T12] process_one_work+0xe35/0x1650
[ 15.266143][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 15.266326][ T12] ? assign_work+0x168/0x240
[ 15.266513][ T12] worker_thread+0x591/0xcf0
[ 15.266705][ T12] ? rescuer_thread+0xd10/0xd10
[ 15.266894][ T12] kthread+0x37b/0x5f0
[ 15.267030][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.267244][ T12] ? ret_from_fork+0x1b/0x270
[ 15.267446][ T12] ? __lock_release+0x5d/0x170
[ 15.267631][ T12] ? rcu_is_watching+0x12/0xb0
[ 15.267813][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.267997][ T12] ret_from_fork+0x1db/0x270
[ 15.268175][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 15.268354][ T12] ret_from_fork_asm+0x11/0x20
[ 15.268538][ T12]
[ 15.268680][ T12] Modules linked in: veth
[ 15.268833][ T12] CR2: 0000000000000000
[ 15.268970][ T12] ---[ end trace 0000000000000000 ]---
[ 15.269148][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 15.269390][ 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
[ 15.270046][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 15.270270][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff9903f90a
[ 15.270545][ T12] RDX: fffffbfff3a4b6cd RSI: 0000000000000008 RDI: ffffffff9d25b660
[ 15.270829][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff3a4b6cc
[ 15.271156][ T12] R10: ffffffff9d25b667 R11: ffffc900000c7180 R12: 0000000000000000
[ 15.271424][ T12] R13: 0000000000000286 R14: ffff88800c1dc000 R15: dffffc0000000000
[ 15.271704][ T12] FS: 0000000000000000(0000) GS:ffff888093490000(0000) knlGS:0000000000000000
[ 15.272025][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 15.272249][ T12] CR2: 0000000000000000 CR3: 0000000035935001 CR4: 0000000000772ef0
[ 15.272521][ T12] PKRU: 55555554
[ 15.272665][ T12] Kernel panic - not syncing: Fatal exception
[ 15.272983][ T12] Kernel Offset: 0x17a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 15.273404][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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