[ 15.270726][ T248] ip (248) used greatest stack depth: 23536 bytes left
[ 25.138943][ T12] ==================================================================
[ 25.139424][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 25.139855][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 25.140251][ T12]
[ 25.140406][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 25.140414][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.140418][ T12] Workqueue: netns cleanup_net
[ 25.140435][ T12] Call Trace:
[ 25.140441][ T12]
[ 25.140445][ T12] dump_stack_lvl+0x82/0xc0
[ 25.140455][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 25.140461][ T12] kasan_report+0xca/0x100
[ 25.140470][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 25.140480][ T12] kasan_check_range+0x39/0x1b0
[ 25.140486][ T12] try_to_grab_pending+0x81/0x6c0
[ 25.140494][ T12] __cancel_work+0x7c/0x260
[ 25.140500][ T12] ? enable_delayed_work+0x10/0x10
[ 25.140507][ T12] ? qdisc_destroy+0x50/0x50
[ 25.140514][ T12] __cancel_work_sync+0x18/0xc0
[ 25.140521][ T12] __dev_close_many+0x1ce/0x810
[ 25.140531][ T12] ? netdev_notify_peers+0x20/0x20
[ 25.140538][ T12] ? netif_close_many+0x201/0x650
[ 25.140546][ T12] netif_close_many+0x201/0x650
[ 25.140552][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 25.140561][ T12] ? __dev_close_many+0x810/0x810
[ 25.140568][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 25.140576][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 25.140582][ T12] ? find_held_lock+0x2b/0x80
[ 25.140587][ T12] ? rtnl_is_locked+0x15/0x20
[ 25.140594][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 25.140599][ T12] ? rtnl_is_locked+0x15/0x20
[ 25.140602][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 25.140607][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 25.140613][ T12] ? unregister_netdevice_many+0x20/0x20
[ 25.140623][ T12] default_device_exit_batch+0x235/0x2d0
[ 25.140629][ T12] ? unregister_netdev+0x60/0x60
[ 25.140640][ T12] ops_undo_list+0x2bf/0x890
[ 25.140649][ T12] ? netns_get+0x110/0x110
[ 25.140653][ T12] ? cleanup_net+0x2d6/0x830
[ 25.140664][ T12] cleanup_net+0x3b2/0x830
[ 25.140671][ T12] ? net_passive_dec+0x190/0x190
[ 25.140678][ T12] ? rcu_is_watching+0x12/0xb0
[ 25.140691][ T12] process_one_work+0xe35/0x1650
[ 25.140703][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 25.140714][ T12] ? assign_work+0x168/0x240
[ 25.140722][ T12] worker_thread+0x591/0xcf0
[ 25.140733][ T12] ? rescuer_thread+0xd10/0xd10
[ 25.140738][ T12] kthread+0x37b/0x5f0
[ 25.140744][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 25.140748][ T12] ? ret_from_fork+0x1b/0x270
[ 25.140766][ T12] ? __lock_release+0x5d/0x170
[ 25.140772][ T12] ? rcu_is_watching+0x12/0xb0
[ 25.140777][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 25.140782][ T12] ret_from_fork+0x1db/0x270
[ 25.140786][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 25.140790][ T12] ret_from_fork_asm+0x11/0x20
[ 25.140815][ T12]
[ 25.140817][ T12] ==================================================================
[ 25.150510][ T12] Disabling lock debugging due to kernel taint
[ 25.150724][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 25.150970][ T12] #PF: supervisor write access in kernel mode
[ 25.151181][ T12] #PF: error_code(0x0002) - not-present page
[ 25.151385][ T12] PGD 0 P4D 0
[ 25.151512][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 25.151690][ T12] CPU: 2 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 25.152078][ T12] Tainted: [B]=BAD_PAGE
[ 25.152205][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 25.152414][ T12] Workqueue: netns cleanup_net
[ 25.152587][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 25.152799][ 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
[ 25.153388][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 25.153595][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb7a4190a
[ 25.153841][ T12] RDX: fffffbfff77dcecd RSI: 0000000000000008 RDI: ffffffffbbee7660
[ 25.154097][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff77dcecc
[ 25.154346][ T12] R10: ffffffffbbee7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 25.154596][ T12] R13: 0000000000000286 R14: ffff888009f0c000 R15: dffffc0000000000
[ 25.154839][ T12] FS: 0000000000000000(0000) GS:ffff88807a484000(0000) knlGS:0000000000000000
[ 25.155127][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 25.155334][ T12] CR2: 0000000000000000 CR3: 0000000027759001 CR4: 0000000000772ef0
[ 25.155583][ T12] PKRU: 55555554
[ 25.155707][ T12] Call Trace:
[ 25.155830][ T12]
[ 25.155916][ T12] __cancel_work+0x7c/0x260
[ 25.156091][ T12] ? enable_delayed_work+0x10/0x10
[ 25.156260][ T12] ? qdisc_destroy+0x50/0x50
[ 25.156429][ T12] __cancel_work_sync+0x18/0xc0
[ 25.156595][ T12] __dev_close_many+0x1ce/0x810
[ 25.156759][ T12] ? netdev_notify_peers+0x20/0x20
[ 25.156922][ T12] ? netif_close_many+0x201/0x650
[ 25.157091][ T12] netif_close_many+0x201/0x650
[ 25.157258][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 25.157426][ T12] ? __dev_close_many+0x810/0x810
[ 25.157599][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 25.157797][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 25.158000][ T12] ? find_held_lock+0x2b/0x80
[ 25.158176][ T12] ? rtnl_is_locked+0x15/0x20
[ 25.158344][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 25.158504][ T12] ? rtnl_is_locked+0x15/0x20
[ 25.158675][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 25.158874][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 25.159047][ T12] ? unregister_netdevice_many+0x20/0x20
[ 25.159219][ T12] default_device_exit_batch+0x235/0x2d0
[ 25.159383][ T12] ? unregister_netdev+0x60/0x60
[ 25.159545][ T12] ops_undo_list+0x2bf/0x890
[ 25.159705][ T12] ? netns_get+0x110/0x110
[ 25.159877][ T12] ? cleanup_net+0x2d6/0x830
[ 25.160051][ T12] cleanup_net+0x3b2/0x830
[ 25.160216][ T12] ? net_passive_dec+0x190/0x190
[ 25.160387][ T12] ? rcu_is_watching+0x12/0xb0
[ 25.160555][ T12] process_one_work+0xe35/0x1650
[ 25.160725][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 25.160888][ T12] ? assign_work+0x168/0x240
[ 25.161079][ T12] worker_thread+0x591/0xcf0
[ 25.161267][ T12] ? rescuer_thread+0xd10/0xd10
[ 25.161429][ T12] kthread+0x37b/0x5f0
[ 25.161552][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 25.161717][ T12] ? ret_from_fork+0x1b/0x270
[ 25.161885][ T12] ? __lock_release+0x5d/0x170
[ 25.162052][ T12] ? rcu_is_watching+0x12/0xb0
[ 25.162212][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 25.162386][ T12] ret_from_fork+0x1db/0x270
[ 25.162549][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 25.162713][ T12] ret_from_fork_asm+0x11/0x20
[ 25.162882][ T12]
[ 25.163011][ T12] Modules linked in:
[ 25.163150][ T12] CR2: 0000000000000000
[ 25.163279][ T12] ---[ end trace 0000000000000000 ]---
[ 25.163453][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 25.163672][ 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
[ 25.164267][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 25.164476][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffb7a4190a
[ 25.164723][ T12] RDX: fffffbfff77dcecd RSI: 0000000000000008 RDI: ffffffffbbee7660
[ 25.164975][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff77dcecc
[ 25.165231][ T12] R10: ffffffffbbee7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 25.165480][ T12] R13: 0000000000000286 R14: ffff888009f0c000 R15: dffffc0000000000
[ 25.165731][ T12] FS: 0000000000000000(0000) GS:ffff88807a484000(0000) knlGS:0000000000000000
[ 25.166022][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 25.166240][ T12] CR2: 0000000000000000 CR3: 0000000027759001 CR4: 0000000000772ef0
[ 25.166489][ T12] PKRU: 55555554
[ 25.166613][ T12] Kernel panic - not syncing: Fatal exception
[ 25.166927][ T12] Kernel Offset: 0x36400000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 25.167327][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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