[ 15.378299][ T258] ip (258) used greatest stack depth: 24688 bytes left
[ 20.829307][ T69] ==================================================================
[ 20.829598][ T69] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 20.829886][ T69] Write of size 8 at addr 0000000000000000 by task kworker/u16:1/69
[ 20.830131][ T69]
[ 20.830224][ T69] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.830229][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.830232][ T69] Workqueue: netns cleanup_net
[ 20.830247][ T69] Call Trace:
[ 20.830251][ T69]
[ 20.830254][ T69] dump_stack_lvl+0x82/0xc0
[ 20.830263][ T69] ? try_to_grab_pending+0x81/0x6c0
[ 20.830269][ T69] kasan_report+0xca/0x100
[ 20.830279][ T69] ? try_to_grab_pending+0x81/0x6c0
[ 20.830285][ T69] kasan_check_range+0x39/0x1b0
[ 20.830289][ T69] try_to_grab_pending+0x81/0x6c0
[ 20.830294][ T69] __cancel_work+0x7c/0x260
[ 20.830297][ T69] ? enable_delayed_work+0x10/0x10
[ 20.830304][ T69] ? queue_delayed_work_on+0x6a/0xa0
[ 20.830309][ T69] __cancel_work_sync+0x18/0xc0
[ 20.830313][ T69] __dev_close_many+0x1cf/0x980
[ 20.830319][ T69] ? netdev_notify_peers+0x20/0x20
[ 20.830322][ T69] ? netif_close_many+0x201/0x650
[ 20.830326][ T69] netif_close_many+0x201/0x650
[ 20.830329][ T69] ? __mutex_handoff+0x2b0/0x2b0
[ 20.830336][ T69] ? __dev_close_many+0x980/0x980
[ 20.830339][ T69] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.830342][ T69] ? trace_contention_end+0xd8/0x140
[ 20.830347][ T69] unregister_netdevice_many_notify+0x30a/0x1c90
[ 20.830351][ T69] ? default_device_exit_batch+0x80/0x2d0
[ 20.830356][ T69] ? mutex_is_locked+0x1c/0x50
[ 20.830359][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 20.830362][ T69] ? rtnl_is_locked+0x15/0x20
[ 20.830367][ T69] ? unregister_netdevice_queue+0x6f/0x410
[ 20.830370][ T69] ? unregister_netdevice_many+0x20/0x20
[ 20.830373][ T69] ? unregister_netdevice_many+0x20/0x20
[ 20.830379][ T69] default_device_exit_batch+0x235/0x2d0
[ 20.830384][ T69] ? unregister_netdev+0x60/0x60
[ 20.830390][ T69] ops_undo_list+0x2bf/0x890
[ 20.830396][ T69] ? rtnl_net_dumpid_one+0x270/0x270
[ 20.830399][ T69] ? cleanup_net+0x2d6/0x8b0
[ 20.830406][ T69] cleanup_net+0x3b2/0x8b0
[ 20.830410][ T69] ? net_passive_dec+0x190/0x190
[ 20.830415][ T69] ? rcu_is_watching+0x12/0xb0
[ 20.830423][ T69] process_one_work+0xe35/0x1650
[ 20.830430][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 20.830436][ T69] ? assign_work+0x168/0x240
[ 20.830440][ T69] worker_thread+0x591/0xcf0
[ 20.830446][ T69] ? rescuer_thread+0xd10/0xd10
[ 20.830450][ T69] kthread+0x37b/0x5f0
[ 20.830455][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.830457][ T69] ? ret_from_fork+0x1b/0x270
[ 20.830464][ T69] ? __lock_release+0x5d/0x170
[ 20.830469][ T69] ? rcu_is_watching+0x12/0xb0
[ 20.830472][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.830476][ T69] ret_from_fork+0x1db/0x270
[ 20.830478][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.830481][ T69] ret_from_fork_asm+0x11/0x20
[ 20.830492][ T69]
[ 20.830493][ T69] ==================================================================
[ 20.839442][ T69] Disabling lock debugging due to kernel taint
[ 20.839658][ T69] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 20.839903][ T69] #PF: supervisor write access in kernel mode
[ 20.840103][ T69] #PF: error_code(0x0002) - not-present page
[ 20.840300][ T69] PGD 0 P4D 0
[ 20.840426][ T69] Oops: Oops: 0002 [#1] SMP KASAN
[ 20.840594][ T69] CPU: 2 UID: 0 PID: 69 Comm: kworker/u16:1 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 20.840962][ T69] Tainted: [B]=BAD_PAGE
[ 20.841087][ T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 20.841291][ T69] Workqueue: netns cleanup_net
[ 20.841467][ T69] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.841677][ T69] 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
[ 20.842273][ T69] RSP: 0000:ffffc900004a7680 EFLAGS: 00010046
[ 20.842483][ T69] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa1e49b8a
[ 20.842826][ T69] RDX: fffffbfff4d6cacd RSI: 0000000000000008 RDI: ffffffffa6b65660
[ 20.843067][ T69] RBP: ffffc900004a76e8 R08: 0000000000000001 R09: fffffbfff4d6cacc
[ 20.843305][ T69] R10: ffffffffa6b65667 R11: ffffc900004a7140 R12: 0000000000000000
[ 20.843546][ T69] R13: 0000000000000282 R14: ffff88800b5fc000 R15: dffffc0000000000
[ 20.843794][ T69] FS: 0000000000000000(0000) GS:ffff8880c6607000(0000) knlGS:0000000000000000
[ 20.844085][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.844293][ T69] CR2: 0000000000000000 CR3: 000000003e549005 CR4: 0000000000772ef0
[ 20.844537][ T69] PKRU: 55555554
[ 20.844659][ T69] Call Trace:
[ 20.844883][ T69]
[ 20.844969][ T69] __cancel_work+0x7c/0x260
[ 20.845133][ T69] ? enable_delayed_work+0x10/0x10
[ 20.845297][ T69] ? queue_delayed_work_on+0x6a/0xa0
[ 20.845463][ T69] __cancel_work_sync+0x18/0xc0
[ 20.845621][ T69] __dev_close_many+0x1cf/0x980
[ 20.845784][ T69] ? netdev_notify_peers+0x20/0x20
[ 20.845949][ T69] ? netif_close_many+0x201/0x650
[ 20.846109][ T69] netif_close_many+0x201/0x650
[ 20.846365][ T69] ? __mutex_handoff+0x2b0/0x2b0
[ 20.846527][ T69] ? __dev_close_many+0x980/0x980
[ 20.846689][ T69] ? netif_close_many_and_unlock+0x21/0x2a0
[ 20.846989][ T69] ? trace_contention_end+0xd8/0x140
[ 20.847151][ T69] unregister_netdevice_many_notify+0x30a/0x1c90
[ 20.847348][ T69] ? default_device_exit_batch+0x80/0x2d0
[ 20.847601][ T69] ? mutex_is_locked+0x1c/0x50
[ 20.847862][ T69] ? dev_ingress_queue_create+0x190/0x190
[ 20.848022][ T69] ? rtnl_is_locked+0x15/0x20
[ 20.848184][ T69] ? unregister_netdevice_queue+0x6f/0x410
[ 20.848380][ T69] ? unregister_netdevice_many+0x20/0x20
[ 20.848536][ T69] ? unregister_netdevice_many+0x20/0x20
[ 20.848790][ T69] default_device_exit_batch+0x235/0x2d0
[ 20.848955][ T69] ? unregister_netdev+0x60/0x60
[ 20.849117][ T69] ops_undo_list+0x2bf/0x890
[ 20.849278][ T69] ? rtnl_net_dumpid_one+0x270/0x270
[ 20.849439][ T69] ? cleanup_net+0x2d6/0x8b0
[ 20.849694][ T69] cleanup_net+0x3b2/0x8b0
[ 20.849859][ T69] ? net_passive_dec+0x190/0x190
[ 20.850017][ T69] ? rcu_is_watching+0x12/0xb0
[ 20.850179][ T69] process_one_work+0xe35/0x1650
[ 20.850339][ T69] ? pwq_dec_nr_in_flight+0x550/0x550
[ 20.850503][ T69] ? assign_work+0x168/0x240
[ 20.850664][ T69] worker_thread+0x591/0xcf0
[ 20.850828][ T69] ? rescuer_thread+0xd10/0xd10
[ 20.850993][ T69] kthread+0x37b/0x5f0
[ 20.851116][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.851273][ T69] ? ret_from_fork+0x1b/0x270
[ 20.851434][ T69] ? __lock_release+0x5d/0x170
[ 20.851593][ T69] ? rcu_is_watching+0x12/0xb0
[ 20.851757][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.851923][ T69] ret_from_fork+0x1db/0x270
[ 20.852083][ T69] ? kthread_is_per_cpu+0xc0/0xc0
[ 20.852247][ T69] ret_from_fork_asm+0x11/0x20
[ 20.852416][ T69]
[ 20.852725][ T69] Modules linked in: sch_etf sch_fq
[ 20.852903][ T69] CR2: 0000000000000000
[ 20.853023][ T69] ---[ end trace 0000000000000000 ]---
[ 20.853184][ T69] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 20.853395][ T69] 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
[ 20.853958][ T69] RSP: 0000:ffffc900004a7680 EFLAGS: 00010046
[ 20.854160][ T69] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffa1e49b8a
[ 20.854494][ T69] RDX: fffffbfff4d6cacd RSI: 0000000000000008 RDI: ffffffffa6b65660
[ 20.854730][ T69] RBP: ffffc900004a76e8 R08: 0000000000000001 R09: fffffbfff4d6cacc
[ 20.855063][ T69] R10: ffffffffa6b65667 R11: ffffc900004a7140 R12: 0000000000000000
[ 20.855306][ T69] R13: 0000000000000282 R14: ffff88800b5fc000 R15: dffffc0000000000
[ 20.855637][ T69] FS: 0000000000000000(0000) GS:ffff8880c6607000(0000) knlGS:0000000000000000
[ 20.855917][ T69] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.856114][ T69] CR2: 0000000000000000 CR3: 000000003e549005 CR4: 0000000000772ef0
[ 20.856351][ T69] PKRU: 55555554
[ 20.856474][ T69] Kernel panic - not syncing: Fatal exception
[ 20.856758][ T69] Kernel Offset: 0x20800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 20.857237][ T69] ---[ end Kernel panic - not syncing: Fatal exception ]---
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