[ 9.805289][ T223] netdevsim netdevsim177 eni177np1: renamed from eth0
[ 10.671086][ T233] ip (233) used greatest stack depth: 24016 bytes left
[ 10.869754][ T219] ==================================================================
[ 10.870039][ T219] BUG: KASAN: use-after-free in page_pool_item_uninit+0x100/0x130
[ 10.870296][ T219] Read of size 8 at addr ffff88800a3d1008 by task python3/219
[ 10.870537][ T219]
[ 10.870623][ T219] CPU: 0 UID: 0 PID: 219 Comm: python3 Not tainted 6.13.0-rc5-virtme #1
[ 10.870868][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.871075][ T219] Call Trace:
[ 10.871206][ T219]
[ 10.871291][ T219] dump_stack_lvl+0x82/0xd0
[ 10.871458][ T219] print_address_description.constprop.0+0x2c/0x3b0
[ 10.871667][ T219] ? page_pool_item_uninit+0x100/0x130
[ 10.871830][ T219] print_report+0xb4/0x270
[ 10.871995][ T219] ? kasan_addr_to_slab+0x25/0x80
[ 10.872164][ T219] kasan_report+0xbd/0xf0
[ 10.872288][ T219] ? page_pool_item_uninit+0x100/0x130
[ 10.872454][ T219] page_pool_item_uninit+0x100/0x130
[ 10.872618][ T219] page_pool_release+0x44a/0x5b0
[ 10.872782][ T219] ? __pfx_autoremove_wake_function+0x10/0x10
[ 10.872986][ T219] ? __pfx_page_pool_release+0x10/0x10
[ 10.873154][ T219] ? napi_disable+0x383/0x5b0
[ 10.873319][ T219] page_pool_destroy+0x11e/0x560
[ 10.873484][ T219] nsim_stop+0x21a/0x390 [netdevsim]
[ 10.873662][ T219] __dev_close_many+0x1a0/0x2d0
[ 10.873825][ T219] ? __pfx___dev_close_many+0x10/0x10
[ 10.873988][ T219] ? __pfx_validate_chain+0x10/0x10
[ 10.874156][ T219] ? hlock_class+0x4e/0x130
[ 10.874320][ T219] ? mark_lock+0x38/0x3e0
[ 10.874443][ T219] ? hlock_class+0x4e/0x130
[ 10.874605][ T219] dev_close_many+0x202/0x650
[ 10.874767][ T219] ? __pfx_dev_close_many+0x10/0x10
[ 10.874936][ T219] unregister_netdevice_many_notify+0x8ed/0x1580
[ 10.875141][ T219] ? __mutex_trylock_common+0xfa/0x260
[ 10.875307][ T219] ? __pfx___mutex_trylock_common+0x10/0x10
[ 10.875507][ T219] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 10.875710][ T219] ? lock_acquire+0x32/0xc0
[ 10.875874][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.876041][ T219] ? nsim_destroy+0x6b/0x5e0 [netdevsim]
[ 10.876217][ T219] ? __pfx___mutex_lock+0x10/0x10
[ 10.876381][ T219] unregister_netdevice_queue+0x2a4/0x410
[ 10.876545][ T219] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 10.876711][ T219] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 10.876919][ T219] nsim_destroy+0xe8/0x5e0 [netdevsim]
[ 10.877094][ T219] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 10.877309][ T219] nsim_dev_reload_destroy+0xe0/0x460 [netdevsim]
[ 10.877523][ T219] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 10.877698][ T219] device_release_driver_internal+0x3bf/0x590
[ 10.877902][ T219] ? klist_put+0xb1/0x170
[ 10.878026][ T219] bus_remove_device+0x1f1/0x3f0
[ 10.878190][ T219] device_del+0x33f/0x8c0
[ 10.878315][ T219] ? __pfx_device_del+0x10/0x10
[ 10.878481][ T219] ? lock_acquire.part.0+0xeb/0x330
[ 10.878641][ T219] ? kernfs_fop_write_iter+0x22e/0x460
[ 10.878809][ T219] device_unregister+0x17/0xb0
[ 10.878983][ T219] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 10.879196][ T219] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 10.879407][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.879594][ T219] ? sysfs_file_ops+0x11e/0x170
[ 10.879757][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.879935][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 10.880097][ T219] vfs_write+0xa81/0x11e0
[ 10.880220][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.880383][ T219] ? __pfx_vfs_write+0x10/0x10
[ 10.880552][ T219] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 10.880757][ T219] ksys_write+0xf8/0x1d0
[ 10.880880][ T219] ? __pfx_ksys_write+0x10/0x10
[ 10.881043][ T219] ? kernfs_fop_llseek+0x127/0x1b0
[ 10.881209][ T219] do_syscall_64+0xc1/0x1d0
[ 10.881373][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.881579][ T219] RIP: 0033:0x7f9c5e60db77
[ 10.881749][ T219] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 10.882332][ T219] RSP: 002b:00007fffc1cc4bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.882577][ T219] RAX: ffffffffffffffda RBX: 00007f9c5e3f3140 RCX: 00007f9c5e60db77
[ 10.882821][ T219] RDX: 0000000000000003 RSI: 00005561600b71f0 RDI: 0000000000000006
[ 10.883063][ T219] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[ 10.883308][ T219] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f9c50321880
[ 10.883556][ T219] R13: 00005561600b71f0 R14: 0000000000000006 R15: 000055615fe2b980
[ 10.883802][ T219]
[ 10.883922][ T219]
[ 10.884004][ T219] The buggy address belongs to the physical page:
[ 10.884203][ T219] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xa3d1
[ 10.884490][ T219] flags: 0x80000000000000(node=0|zone=1)
[ 10.884660][ T219] page_type: f5(slab)
[ 10.884788][ T219] raw: 0080000000000000 ffff8880010427c0 ffffea0000131690 ffff8880010406e8
[ 10.885079][ T219] raw: 0000000000000000 0000000000190019 00000001f5000000 0000000000000000
[ 10.885361][ T219] page dumped because: kasan: bad access detected
[ 10.885559][ T219]
[ 10.885643][ T219] Memory state around the buggy address:
[ 10.885804][ T219] ffff88800a3d0f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 10.886042][ T219] ffff88800a3d0f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 10.886276][ T219] >ffff88800a3d1000: fc fc fa fb fc fc fc fc fc fc fc fc fc fc fc fc
[ 10.886513][ T219] ^
[ 10.886638][ T219] ffff88800a3d1080: fc fc fc fc fc fc fa fb fc fc fc fc fc fc fc fc
[ 10.886876][ T219] ffff88800a3d1100: fc fc fc fc fc fc fc fc fc fc fa fb fc fc fc fc
[ 10.887109][ T219] ==================================================================
[ 10.887365][ T219] Disabling lock debugging due to kernel taint
[ 10.887578][ T219] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 10.887970][ T219] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
[ 10.888244][ T219] CPU: 0 UID: 0 PID: 219 Comm: python3 Tainted: G B 6.13.0-rc5-virtme #1
[ 10.888522][ T219] Tainted: [B]=BAD_PAGE
[ 10.888644][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.888844][ T219] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 10.889059][ T219] Code: 9f 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 5d bc 68 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
[ 10.889619][ T219] RSP: 0018:ffffc90000b474f0 EFLAGS: 00010a06
[ 10.889823][ T219] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff9e637b43
[ 10.890062][ T219] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 10.890299][ T219] RBP: fffffbfff3f58878 R08: 0000000000000000 R09: fffffbfff4319888
[ 10.890538][ T219] R10: ffffffffa18cc447 R11: ffffc90000b46fc0 R12: ffff888005de2a20
[ 10.890774][ T219] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 10.891014][ T219] FS: 00007f9c5e3f31c0(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 10.891290][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.891489][ T219] CR2: 00007f9c50e18dd0 CR3: 0000000004d8c005 CR4: 0000000000772ef0
[ 10.891730][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.891968][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.892203][ T219] PKRU: 55555554
[ 10.892322][ T219] Call Trace:
[ 10.892439][ T219]
[ 10.892519][ T219] ? die_addr+0x41/0xa0
[ 10.892641][ T219] ? exc_general_protection+0x14d/0x230
[ 10.892801][ T219] ? asm_exc_general_protection+0x26/0x30
[ 10.892963][ T219] ? page_pool_item_uninit+0x73/0x130
[ 10.893121][ T219] ? page_pool_item_uninit+0x7a/0x130
[ 10.893278][ T219] page_pool_release+0x44a/0x5b0
[ 10.893435][ T219] ? __pfx_autoremove_wake_function+0x10/0x10
[ 10.893633][ T219] ? __pfx_page_pool_release+0x10/0x10
[ 10.893788][ T219] ? napi_disable+0x383/0x5b0
[ 10.893946][ T219] page_pool_destroy+0x11e/0x560
[ 10.894104][ T219] nsim_stop+0x21a/0x390 [netdevsim]
[ 10.894276][ T219] __dev_close_many+0x1a0/0x2d0
[ 10.894440][ T219] ? __pfx___dev_close_many+0x10/0x10
[ 10.894595][ T219] ? __pfx_validate_chain+0x10/0x10
[ 10.894753][ T219] ? hlock_class+0x4e/0x130
[ 10.894909][ T219] ? mark_lock+0x38/0x3e0
[ 10.895025][ T219] ? hlock_class+0x4e/0x130
[ 10.895185][ T219] dev_close_many+0x202/0x650
[ 10.895341][ T219] ? __pfx_dev_close_many+0x10/0x10
[ 10.895499][ T219] unregister_netdevice_many_notify+0x8ed/0x1580
[ 10.895697][ T219] ? __mutex_trylock_common+0xfa/0x260
[ 10.895855][ T219] ? __pfx___mutex_trylock_common+0x10/0x10
[ 10.896048][ T219] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 10.896243][ T219] ? lock_acquire+0x32/0xc0
[ 10.896400][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.896556][ T219] ? nsim_destroy+0x6b/0x5e0 [netdevsim]
[ 10.896722][ T219] ? __pfx___mutex_lock+0x10/0x10
[ 10.896879][ T219] unregister_netdevice_queue+0x2a4/0x410
[ 10.897034][ T219] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 10.897191][ T219] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 10.897386][ T219] nsim_destroy+0xe8/0x5e0 [netdevsim]
[ 10.897555][ T219] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 10.897757][ T219] nsim_dev_reload_destroy+0xe0/0x460 [netdevsim]
[ 10.897959][ T219] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 10.898125][ T219] device_release_driver_internal+0x3bf/0x590
[ 10.898318][ T219] ? klist_put+0xb1/0x170
[ 10.898438][ T219] bus_remove_device+0x1f1/0x3f0
[ 10.898595][ T219] device_del+0x33f/0x8c0
[ 10.898715][ T219] ? __pfx_device_del+0x10/0x10
[ 10.898876][ T219] ? lock_acquire.part.0+0xeb/0x330
[ 10.899031][ T219] ? kernfs_fop_write_iter+0x22e/0x460
[ 10.899282][ T219] device_unregister+0x17/0xb0
[ 10.899440][ T219] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 10.899644][ T219] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 10.899848][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.900096][ T219] ? sysfs_file_ops+0x11e/0x170
[ 10.900255][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.900409][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 10.900565][ T219] vfs_write+0xa81/0x11e0
[ 10.900778][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.900933][ T219] ? __pfx_vfs_write+0x10/0x10
[ 10.901090][ T219] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 10.901285][ T219] ksys_write+0xf8/0x1d0
[ 10.901496][ T219] ? __pfx_ksys_write+0x10/0x10
[ 10.901651][ T219] ? kernfs_fop_llseek+0x127/0x1b0
[ 10.901807][ T219] do_syscall_64+0xc1/0x1d0
[ 10.901962][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.902157][ T219] RIP: 0033:0x7f9c5e60db77
[ 10.902318][ T219] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
[ 10.902968][ T219] RSP: 002b:00007fffc1cc4bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.903203][ T219] RAX: ffffffffffffffda RBX: 00007f9c5e3f3140 RCX: 00007f9c5e60db77
[ 10.903530][ T219] RDX: 0000000000000003 RSI: 00005561600b71f0 RDI: 0000000000000006
[ 10.903770][ T219] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[ 10.904003][ T219] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f9c50321880
[ 10.904336][ T219] R13: 00005561600b71f0 R14: 0000000000000006 R15: 000055615fe2b980
[ 10.904572][ T219]
[ 10.904694][ T219] Modules linked in: netdevsim
[ 10.905020][ T219] ---[ end trace 0000000000000000 ]---
[ 10.905189][ T219] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 10.905390][ T219] Code: 9f 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 5d bc 68 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
[ 10.906035][ T219] RSP: 0018:ffffc90000b474f0 EFLAGS: 00010a06
[ 10.906236][ T219] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff9e637b43
[ 10.906472][ T219] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 10.906802][ T219] RBP: fffffbfff3f58878 R08: 0000000000000000 R09: fffffbfff4319888
[ 10.907036][ T219] R10: ffffffffa18cc447 R11: ffffc90000b46fc0 R12: ffff888005de2a20
[ 10.907277][ T219] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 10.907604][ T219] FS: 00007f9c5e3f31c0(0000) GS:ffff888036000000(0000) knlGS:0000000000000000
[ 10.907875][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.908168][ T219] CR2: 00007f9c50e18dd0 CR3: 0000000004d8c005 CR4: 0000000000772ef0
[ 10.908450][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.908684][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.909020][ T219] PKRU: 55555554
[ 10.909146][ T219] Kernel panic - not syncing: Fatal exception
[ 10.909463][ T219] Kernel Offset: 0x1b000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 10.909919][ T219] ---[ end Kernel panic - not syncing: Fatal exception ]---
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