[ 10.907404][ T260] ip (260) used greatest stack depth: 23800 bytes left
[ 12.171135][ T11] ==================================================================
[ 12.171402][ T11] BUG: KASAN: use-after-free in page_pool_item_uninit+0x100/0x130
[ 12.171631][ T11] Read of size 8 at addr ffff88800c135008 by task kworker/u16:0/11
[ 12.171842][ T11]
[ 12.171916][ T11] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Not tainted 6.13.0-rc5-virtme #1
[ 12.172174][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.172351][ T11] Workqueue: netns cleanup_net
[ 12.172498][ T11] Call Trace:
[ 12.172605][ T11]
[ 12.172679][ T11] dump_stack_lvl+0x82/0xd0
[ 12.172826][ T11] print_address_description.constprop.0+0x2c/0x3b0
[ 12.173004][ T11] ? page_pool_item_uninit+0x100/0x130
[ 12.173154][ T11] print_report+0xb4/0x270
[ 12.173295][ T11] ? kasan_addr_to_slab+0x25/0x80
[ 12.173442][ T11] kasan_report+0xbd/0xf0
[ 12.173550][ T11] ? page_pool_item_uninit+0x100/0x130
[ 12.173696][ T11] page_pool_item_uninit+0x100/0x130
[ 12.173838][ T11] page_pool_release+0x44a/0x5b0
[ 12.173981][ T11] ? __pfx_page_pool_release+0x10/0x10
[ 12.174123][ T11] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 12.174308][ T11] page_pool_destroy+0x11e/0x560
[ 12.174449][ T11] veth_napi_del_range+0x34d/0x580
[ 12.174600][ T11] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 12.174788][ T11] veth_close+0x104/0x190
[ 12.174903][ T11] __dev_close_many+0x1a0/0x2d0
[ 12.175054][ T11] ? __pfx___dev_close_many+0x10/0x10
[ 12.175205][ T11] dev_close_many+0x202/0x650
[ 12.175353][ T11] ? fou_exit_net+0x2f/0xf0
[ 12.175501][ T11] ? __pfx_dev_close_many+0x10/0x10
[ 12.175648][ T11] ? __mutex_trylock_common+0xfa/0x260
[ 12.175790][ T11] ? __pfx___mutex_trylock_common+0x10/0x10
[ 12.175976][ T11] unregister_netdevice_many_notify+0x8ed/0x1580
[ 12.176155][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 12.176339][ T11] ? default_device_exit_batch+0x81/0x2e0
[ 12.176488][ T11] ? mutex_is_locked+0x1c/0x60
[ 12.176630][ T11] ? rtnl_is_locked+0x15/0x20
[ 12.176776][ T11] ? unregister_netdevice_queue+0x70/0x410
[ 12.176961][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.177138][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.177316][ T11] default_device_exit_batch+0x241/0x2e0
[ 12.177465][ T11] ? __pfx_default_device_exit_batch+0x10/0x10
[ 12.177644][ T11] ? ops_exit_list+0xb4/0x170
[ 12.177798][ T11] cleanup_net+0x4ef/0xba0
[ 12.177949][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 12.178099][ T11] ? __pfx_cleanup_net+0x10/0x10
[ 12.178239][ T11] ? trace_lock_acquire+0x14c/0x1f0
[ 12.178387][ T11] ? lock_acquire+0x32/0xc0
[ 12.178527][ T11] ? process_one_work+0xe0b/0x16d0
[ 12.178674][ T11] process_one_work+0xe55/0x16d0
[ 12.178833][ T11] ? __pfx___lock_release+0x10/0x10
[ 12.178980][ T11] ? __pfx_process_one_work+0x10/0x10
[ 12.179127][ T11] ? assign_work+0x16c/0x240
[ 12.179274][ T11] worker_thread+0x58c/0xce0
[ 12.179418][ T11] ? __pfx_worker_thread+0x10/0x10
[ 12.179559][ T11] kthread+0x28a/0x350
[ 12.179673][ T11] ? __pfx_kthread+0x10/0x10
[ 12.179818][ T11] ret_from_fork+0x31/0x70
[ 12.179970][ T11] ? __pfx_kthread+0x10/0x10
[ 12.180116][ T11] ret_from_fork_asm+0x1a/0x30
[ 12.180266][ T11]
[ 12.180383][ T11]
[ 12.180458][ T11] The buggy address belongs to the physical page:
[ 12.180639][ T11] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x2 pfn:0xc135
[ 12.180895][ T11] flags: 0x80000000000000(node=0|zone=1)
[ 12.181046][ T11] raw: 0080000000000000 ffffea00002e5e08 ffff88806d142fa0 0000000000000000
[ 12.181298][ T11] raw: 0000000000000002 0000000000000000 00000000ffffffff 0000000000000000
[ 12.181556][ T11] page dumped because: kasan: bad access detected
[ 12.181735][ T11]
[ 12.181808][ T11] Memory state around the buggy address:
[ 12.181949][ T11] ffff88800c134f00: fc fc fc fc fa fb fb fb fb fb fb fb fb fb fb fb
[ 12.182158][ T11] ffff88800c134f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 12.182366][ T11] >ffff88800c135000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 12.182581][ T11] ^
[ 12.182695][ T11] ffff88800c135080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 12.182907][ T11] ffff88800c135100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 12.183125][ T11] ==================================================================
[ 12.183376][ T11] Disabling lock debugging due to kernel taint
[ 12.183576][ T11] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 12.183917][ T11] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
[ 12.184169][ T11] CPU: 2 UID: 0 PID: 11 Comm: kworker/u16:0 Tainted: G B 6.13.0-rc5-virtme #1
[ 12.184455][ T11] Tainted: [B]=BAD_PAGE
[ 12.184566][ T11] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.184749][ T11] Workqueue: netns cleanup_net
[ 12.184904][ T11] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 12.185088][ T11] Code: 85 48 bb 00 00 00 00 00 fc ff df 48 c1 ed 03 48 01 dd 4d 8d 75 1c be 04 00 00 00 4c 89 f7 e8 ad 6d 63 fe 4c 89 f0 48 c1 e8 03 <0f> b6 14 18 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 62 41
[ 12.185575][ T11] RSP: 0018:ffffc900000b7698 EFLAGS: 00010a06
[ 12.185745][ T11] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff8449f6e3
[ 12.185952][ T11] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 12.186166][ T11] RBP: fffffbfff0b64c78 R08: 0000000000000000 R09: fffffbfff0f3f688
[ 12.186374][ T11] R10: ffffffff879fb447 R11: 205d313154202020 R12: ffff88800c1e9e20
[ 12.186592][ T11] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 12.186810][ T11] FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 12.187055][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.187236][ T11] CR2: 00007f52846d5ac0 CR3: 000000004893a006 CR4: 0000000000772ef0
[ 12.187444][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 12.187655][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 12.187866][ T11] PKRU: 55555554
[ 12.187972][ T11] Call Trace:
[ 12.188076][ T11]
[ 12.188146][ T11] ? die_addr+0x41/0xa0
[ 12.188255][ T11] ? exc_general_protection+0x14d/0x230
[ 12.188405][ T11] ? asm_exc_general_protection+0x26/0x30
[ 12.188553][ T11] ? page_pool_item_uninit+0x73/0x130
[ 12.188701][ T11] ? page_pool_item_uninit+0x7a/0x130
[ 12.188853][ T11] ? page_pool_item_uninit+0x73/0x130
[ 12.188998][ T11] page_pool_release+0x44a/0x5b0
[ 12.189134][ T11] ? __pfx_page_pool_release+0x10/0x10
[ 12.189271][ T11] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 12.189449][ T11] page_pool_destroy+0x11e/0x560
[ 12.189595][ T11] veth_napi_del_range+0x34d/0x580
[ 12.189733][ T11] ? lockdep_hardirqs_on_prepare+0x275/0x410
[ 12.189911][ T11] veth_close+0x104/0x190
[ 12.190017][ T11] __dev_close_many+0x1a0/0x2d0
[ 12.190163][ T11] ? __pfx___dev_close_many+0x10/0x10
[ 12.190305][ T11] dev_close_many+0x202/0x650
[ 12.190452][ T11] ? fou_exit_net+0x2f/0xf0
[ 12.190601][ T11] ? __pfx_dev_close_many+0x10/0x10
[ 12.190743][ T11] ? __mutex_trylock_common+0xfa/0x260
[ 12.190886][ T11] ? __pfx___mutex_trylock_common+0x10/0x10
[ 12.191061][ T11] unregister_netdevice_many_notify+0x8ed/0x1580
[ 12.191237][ T11] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 12.191408][ T11] ? default_device_exit_batch+0x81/0x2e0
[ 12.191552][ T11] ? mutex_is_locked+0x1c/0x60
[ 12.191690][ T11] ? rtnl_is_locked+0x15/0x20
[ 12.191832][ T11] ? unregister_netdevice_queue+0x70/0x410
[ 12.191998][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.192171][ T11] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.192346][ T11] default_device_exit_batch+0x241/0x2e0
[ 12.192483][ T11] ? __pfx_default_device_exit_batch+0x10/0x10
[ 12.192661][ T11] ? ops_exit_list+0xb4/0x170
[ 12.192808][ T11] cleanup_net+0x4ef/0xba0
[ 12.192945][ T11] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 12.193081][ T11] ? __pfx_cleanup_net+0x10/0x10
[ 12.193222][ T11] ? trace_lock_acquire+0x14c/0x1f0
[ 12.193355][ T11] ? lock_acquire+0x32/0xc0
[ 12.193496][ T11] ? process_one_work+0xe0b/0x16d0
[ 12.193638][ T11] process_one_work+0xe55/0x16d0
[ 12.193780][ T11] ? __pfx___lock_release+0x10/0x10
[ 12.193921][ T11] ? __pfx_process_one_work+0x10/0x10
[ 12.194062][ T11] ? assign_work+0x16c/0x240
[ 12.194204][ T11] worker_thread+0x58c/0xce0
[ 12.194349][ T11] ? __pfx_worker_thread+0x10/0x10
[ 12.194491][ T11] kthread+0x28a/0x350
[ 12.194600][ T11] ? __pfx_kthread+0x10/0x10
[ 12.194740][ T11] ret_from_fork+0x31/0x70
[ 12.194884][ T11] ? __pfx_kthread+0x10/0x10
[ 12.195024][ T11] ret_from_fork_asm+0x1a/0x30
[ 12.195166][ T11]
[ 12.195266][ T11] Modules linked in:
[ 12.195412][ T11] ---[ end trace 0000000000000000 ]---
[ 12.195564][ T11] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 12.195756][ T11] Code: 85 48 bb 00 00 00 00 00 fc ff df 48 c1 ed 03 48 01 dd 4d 8d 75 1c be 04 00 00 00 4c 89 f7 e8 ad 6d 63 fe 4c 89 f0 48 c1 e8 03 <0f> b6 14 18 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 62 41
[ 12.196254][ T11] RSP: 0018:ffffc900000b7698 EFLAGS: 00010a06
[ 12.196437][ T11] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff8449f6e3
[ 12.196651][ T11] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 12.196865][ T11] RBP: fffffbfff0b64c78 R08: 0000000000000000 R09: fffffbfff0f3f688
[ 12.197090][ T11] R10: ffffffff879fb447 R11: 205d313154202020 R12: ffff88800c1e9e20
[ 12.197305][ T11] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 12.197520][ T11] FS: 0000000000000000(0000) GS:ffff88806d100000(0000) knlGS:0000000000000000
[ 12.197770][ T11] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.197962][ T11] CR2: 00007f52846d5ac0 CR3: 000000004893a006 CR4: 0000000000772ef0
[ 12.198187][ T11] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 12.198400][ T11] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 12.198607][ T11] PKRU: 55555554
[ 12.198722][ T11] Kernel panic - not syncing: Fatal exception
[ 12.198971][ T11] Kernel Offset: 0xe00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 12.199281][ T11] ---[ end Kernel panic - not syncing: Fatal exception ]---
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