[ 18.173262][ T258] ip (258) used greatest stack depth: 23744 bytes left
[ 28.021801][ T12] ==================================================================
[ 28.022212][ T12] BUG: KASAN: null-ptr-deref in try_to_grab_pending+0x81/0x6c0
[ 28.022611][ T12] Write of size 8 at addr 0000000000000000 by task kworker/u16:0/12
[ 28.022978][ T12]
[ 28.023114][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Not tainted 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 28.023123][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.023126][ T12] Workqueue: netns cleanup_net
[ 28.023142][ T12] Call Trace:
[ 28.023145][ T12]
[ 28.023148][ T12] dump_stack_lvl+0x82/0xc0
[ 28.023161][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 28.023166][ T12] kasan_report+0xca/0x100
[ 28.023178][ T12] ? try_to_grab_pending+0x81/0x6c0
[ 28.023187][ T12] kasan_check_range+0x39/0x1b0
[ 28.023193][ T12] try_to_grab_pending+0x81/0x6c0
[ 28.023200][ T12] __cancel_work+0x7c/0x260
[ 28.023205][ T12] ? enable_delayed_work+0x10/0x10
[ 28.023213][ T12] ? qdisc_destroy+0x50/0x50
[ 28.023221][ T12] __cancel_work_sync+0x18/0xc0
[ 28.023229][ T12] __dev_close_many+0x1ce/0x810
[ 28.023238][ T12] ? netdev_notify_peers+0x20/0x20
[ 28.023245][ T12] ? netif_close_many+0x201/0x650
[ 28.023253][ T12] netif_close_many+0x201/0x650
[ 28.023258][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 28.023268][ T12] ? __dev_close_many+0x810/0x810
[ 28.023274][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 28.023282][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 28.023287][ T12] ? find_held_lock+0x2b/0x80
[ 28.023296][ T12] ? rtnl_is_locked+0x15/0x20
[ 28.023301][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 28.023305][ T12] ? rtnl_is_locked+0x15/0x20
[ 28.023308][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 28.023311][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 28.023320][ T12] ? unregister_netdevice_many+0x20/0x20
[ 28.023329][ T12] default_device_exit_batch+0x235/0x2d0
[ 28.023334][ T12] ? unregister_netdev+0x60/0x60
[ 28.023343][ T12] ops_undo_list+0x2bf/0x890
[ 28.023351][ T12] ? netns_get+0x110/0x110
[ 28.023355][ T12] ? cleanup_net+0x2d6/0x830
[ 28.023364][ T12] cleanup_net+0x3b2/0x830
[ 28.023369][ T12] ? net_passive_dec+0x190/0x190
[ 28.023376][ T12] ? rcu_is_watching+0x12/0xb0
[ 28.023387][ T12] process_one_work+0xe35/0x1650
[ 28.023398][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 28.023410][ T12] ? assign_work+0x168/0x240
[ 28.023417][ T12] worker_thread+0x591/0xcf0
[ 28.023427][ T12] ? rescuer_thread+0xd10/0xd10
[ 28.023432][ T12] kthread+0x37b/0x5f0
[ 28.023438][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.023442][ T12] ? ret_from_fork+0x1b/0x270
[ 28.023450][ T12] ? __lock_release+0x5d/0x170
[ 28.023455][ T12] ? rcu_is_watching+0x12/0xb0
[ 28.023460][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.023466][ T12] ret_from_fork+0x1db/0x270
[ 28.023470][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.023474][ T12] ret_from_fork_asm+0x11/0x20
[ 28.023492][ T12]
[ 28.023494][ T12] ==================================================================
[ 28.036674][ T12] Disabling lock debugging due to kernel taint
[ 28.036992][ T12] BUG: kernel NULL pointer dereference, address: 0000000000000000
[ 28.037349][ T12] #PF: supervisor write access in kernel mode
[ 28.037697][ T12] #PF: error_code(0x0002) - not-present page
[ 28.037990][ T12] PGD 0 P4D 0
[ 28.038179][ T12] Oops: Oops: 0002 [#1] SMP KASAN
[ 28.038432][ T12] CPU: 1 UID: 0 PID: 12 Comm: kworker/u16:0 Tainted: G B 6.18.0-rc5-virtme #1 PREEMPT(full)
[ 28.038975][ T12] Tainted: [B]=BAD_PAGE
[ 28.039161][ T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 28.039482][ T12] Workqueue: netns cleanup_net
[ 28.039744][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 28.040047][ 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
[ 28.040939][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 28.041256][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffad04190a
[ 28.041625][ T12] RDX: fffffbfff629cecd RSI: 0000000000000008 RDI: ffffffffb14e7660
[ 28.041995][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff629cecc
[ 28.042359][ T12] R10: ffffffffb14e7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 28.042737][ T12] R13: 0000000000000286 R14: ffff88800bd44000 R15: dffffc0000000000
[ 28.043104][ T12] FS: 0000000000000000(0000) GS:ffff88807f004000(0000) knlGS:0000000000000000
[ 28.043527][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.043835][ T12] CR2: 0000000000000000 CR3: 0000000034d59001 CR4: 0000000000772ef0
[ 28.044198][ T12] PKRU: 55555554
[ 28.044388][ T12] Call Trace:
[ 28.044573][ T12]
[ 28.044704][ T12] __cancel_work+0x7c/0x260
[ 28.044946][ T12] ? enable_delayed_work+0x10/0x10
[ 28.045194][ T12] ? qdisc_destroy+0x50/0x50
[ 28.045435][ T12] __cancel_work_sync+0x18/0xc0
[ 28.045675][ T12] __dev_close_many+0x1ce/0x810
[ 28.045917][ T12] ? netdev_notify_peers+0x20/0x20
[ 28.046171][ T12] ? netif_close_many+0x201/0x650
[ 28.046412][ T12] netif_close_many+0x201/0x650
[ 28.046653][ T12] ? __mutex_handoff+0x2b0/0x2b0
[ 28.046892][ T12] ? __dev_close_many+0x810/0x810
[ 28.047133][ T12] ? netif_close_many_and_unlock+0x21/0x2a0
[ 28.047433][ T12] unregister_netdevice_many_notify+0x305/0x1b30
[ 28.047735][ T12] ? find_held_lock+0x2b/0x80
[ 28.047974][ T12] ? rtnl_is_locked+0x15/0x20
[ 28.048215][ T12] ? dev_ingress_queue_create+0x190/0x190
[ 28.048454][ T12] ? rtnl_is_locked+0x15/0x20
[ 28.048690][ T12] ? unregister_netdevice_queue+0x6f/0x410
[ 28.048985][ T12] ? lockdep_hardirqs_on+0x7c/0x110
[ 28.049227][ T12] ? unregister_netdevice_many+0x20/0x20
[ 28.049471][ T12] default_device_exit_batch+0x235/0x2d0
[ 28.049708][ T12] ? unregister_netdev+0x60/0x60
[ 28.049955][ T12] ops_undo_list+0x2bf/0x890
[ 28.050195][ T12] ? netns_get+0x110/0x110
[ 28.050434][ T12] ? cleanup_net+0x2d6/0x830
[ 28.050675][ T12] cleanup_net+0x3b2/0x830
[ 28.050920][ T12] ? net_passive_dec+0x190/0x190
[ 28.051159][ T12] ? rcu_is_watching+0x12/0xb0
[ 28.051401][ T12] process_one_work+0xe35/0x1650
[ 28.051644][ T12] ? pwq_dec_nr_in_flight+0x550/0x550
[ 28.051892][ T12] ? assign_work+0x168/0x240
[ 28.052130][ T12] worker_thread+0x591/0xcf0
[ 28.052535][ T12] ? rescuer_thread+0xd10/0xd10
[ 28.052783][ T12] kthread+0x37b/0x5f0
[ 28.052965][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.053201][ T12] ? ret_from_fork+0x1b/0x270
[ 28.053588][ T12] ? __lock_release+0x5d/0x170
[ 28.053824][ T12] ? rcu_is_watching+0x12/0xb0
[ 28.054066][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.054307][ T12] ret_from_fork+0x1db/0x270
[ 28.054693][ T12] ? kthread_is_per_cpu+0xc0/0xc0
[ 28.054930][ T12] ret_from_fork_asm+0x11/0x20
[ 28.055176][ T12]
[ 28.055354][ T12] Modules linked in:
[ 28.055546][ T12] CR2: 0000000000000000
[ 28.055867][ T12] ---[ end trace 0000000000000000 ]---
[ 28.056114][ T12] RIP: 0010:try_to_grab_pending+0x81/0x6c0
[ 28.056420][ 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
[ 28.057412][ T12] RSP: 0018:ffffc900000c7690 EFLAGS: 00010046
[ 28.057711][ T12] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffffad04190a
[ 28.058224][ T12] RDX: fffffbfff629cecd RSI: 0000000000000008 RDI: ffffffffb14e7660
[ 28.058575][ T12] RBP: ffffc900000c76f8 R08: 0000000000000001 R09: fffffbfff629cecc
[ 28.058931][ T12] R10: ffffffffb14e7667 R11: ffffc900000c7180 R12: 0000000000000000
[ 28.059435][ T12] R13: 0000000000000286 R14: ffff88800bd44000 R15: dffffc0000000000
[ 28.059799][ T12] FS: 0000000000000000(0000) GS:ffff88807f004000(0000) knlGS:0000000000000000
[ 28.060359][ T12] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 28.060655][ T12] CR2: 0000000000000000 CR3: 0000000034d59001 CR4: 0000000000772ef0
[ 28.061009][ T12] PKRU: 55555554
[ 28.061336][ T12] Kernel panic - not syncing: Fatal exception
[ 28.061740][ T12] Kernel Offset: 0x2ba00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 28.062294][ T12] ---[ end Kernel panic - not syncing: Fatal exception ]---
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