[ 9.665688][ T223] netdevsim netdevsim7753 eni7753np1: renamed from eth0
[ 10.665070][ T219] ==================================================================
[ 10.665437][ T219] BUG: KASAN: use-after-free in page_pool_item_uninit+0x100/0x130
[ 10.665708][ T219] Read of size 8 at addr ffff888008949008 by task python3/219
[ 10.665966][ T219]
[ 10.666057][ T219] CPU: 1 UID: 0 PID: 219 Comm: python3 Not tainted 6.13.0-rc5-virtme #1
[ 10.666321][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.666541][ T219] Call Trace:
[ 10.666674][ T219]
[ 10.666765][ T219] dump_stack_lvl+0x82/0xd0
[ 10.666942][ T219] print_address_description.constprop.0+0x2c/0x3b0
[ 10.667160][ T219] ? page_pool_item_uninit+0x100/0x130
[ 10.667338][ T219] print_report+0xb4/0x270
[ 10.667514][ T219] ? kasan_addr_to_slab+0x25/0x80
[ 10.667692][ T219] kasan_report+0xbd/0xf0
[ 10.667825][ T219] ? page_pool_item_uninit+0x100/0x130
[ 10.668003][ T219] page_pool_item_uninit+0x100/0x130
[ 10.668180][ T219] page_pool_release+0x44a/0x5b0
[ 10.668355][ T219] ? __pfx_autoremove_wake_function+0x10/0x10
[ 10.668576][ T219] ? __pfx_page_pool_release+0x10/0x10
[ 10.668750][ T219] ? napi_disable+0x383/0x5b0
[ 10.668926][ T219] page_pool_destroy+0x11e/0x560
[ 10.669101][ T219] nsim_stop+0x21a/0x390 [netdevsim]
[ 10.669291][ T219] __dev_close_many+0x1a0/0x2d0
[ 10.669465][ T219] ? __pfx___dev_close_many+0x10/0x10
[ 10.669638][ T219] ? __pfx_validate_chain+0x10/0x10
[ 10.669814][ T219] ? hlock_class+0x4e/0x130
[ 10.669985][ T219] ? mark_lock+0x38/0x3e0
[ 10.670118][ T219] ? hlock_class+0x4e/0x130
[ 10.670293][ T219] dev_close_many+0x202/0x650
[ 10.670477][ T219] ? __pfx_dev_close_many+0x10/0x10
[ 10.670700][ T219] unregister_netdevice_many_notify+0x8ed/0x1580
[ 10.670919][ T219] ? __mutex_trylock_common+0xfa/0x260
[ 10.671097][ T219] ? __pfx___mutex_trylock_common+0x10/0x10
[ 10.671313][ T219] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 10.671528][ T219] ? lock_acquire+0x32/0xc0
[ 10.671702][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.671877][ T219] ? nsim_destroy+0x6b/0x5e0 [netdevsim]
[ 10.672062][ T219] ? __pfx___mutex_lock+0x10/0x10
[ 10.672235][ T219] unregister_netdevice_queue+0x2a4/0x410
[ 10.672411][ T219] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 10.672586][ T219] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 10.672801][ T219] nsim_destroy+0xe8/0x5e0 [netdevsim]
[ 10.672985][ T219] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 10.673209][ T219] nsim_dev_reload_destroy+0xe0/0x460 [netdevsim]
[ 10.673436][ T219] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 10.673618][ T219] device_release_driver_internal+0x3bf/0x590
[ 10.673835][ T219] ? klist_put+0xb1/0x170
[ 10.673967][ T219] bus_remove_device+0x1f1/0x3f0
[ 10.674141][ T219] device_del+0x33f/0x8c0
[ 10.674281][ T219] ? __pfx_device_del+0x10/0x10
[ 10.674456][ T219] ? lock_acquire.part.0+0xeb/0x330
[ 10.674627][ T219] ? kernfs_fop_write_iter+0x22e/0x460
[ 10.674804][ T219] device_unregister+0x17/0xb0
[ 10.674978][ T219] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 10.675205][ T219] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 10.675431][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.675604][ T219] ? sysfs_file_ops+0x11e/0x170
[ 10.675779][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.675951][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 10.676126][ T219] vfs_write+0xa81/0x11e0
[ 10.676259][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.676432][ T219] ? __pfx_vfs_write+0x10/0x10
[ 10.676608][ T219] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 10.676824][ T219] ksys_write+0xf8/0x1d0
[ 10.676955][ T219] ? __pfx_ksys_write+0x10/0x10
[ 10.677130][ T219] ? kernfs_fop_llseek+0x127/0x1b0
[ 10.677307][ T219] do_syscall_64+0xc1/0x1d0
[ 10.677481][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.677699][ T219] RIP: 0033:0x7f2fcc440b77
[ 10.677895][ 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
[ 10.678511][ T219] RSP: 002b:00007ffdd1574c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.678785][ T219] RAX: ffffffffffffffda RBX: 00007f2fcc226140 RCX: 00007f2fcc440b77
[ 10.679049][ T219] RDX: 0000000000000004 RSI: 000055c72425f1f0 RDI: 0000000000000006
[ 10.679310][ T219] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 10.679571][ T219] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f2fbe154880
[ 10.679836][ T219] R13: 000055c72425f1f0 R14: 0000000000000006 R15: 000055c723fd3980
[ 10.680100][ T219]
[ 10.680231][ T219]
[ 10.680319][ T219] The buggy address belongs to the physical page:
[ 10.680539][ T219] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x8949
[ 10.680847][ T219] flags: 0x80000000000000(node=0|zone=1)
[ 10.681029][ T219] page_type: f5(slab)
[ 10.681164][ T219] raw: 0080000000000000 ffff8880010427c0 ffffea0000074850 ffff8880010406e8
[ 10.681475][ T219] raw: 0000000000000000 0000000000190019 00000001f5000000 0000000000000000
[ 10.681779][ T219] page dumped because: kasan: bad access detected
[ 10.681993][ T219]
[ 10.682082][ T219] Memory state around the buggy address:
[ 10.682254][ T219] ffff888008948f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 10.682509][ T219] ffff888008948f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
[ 10.682763][ T219] >ffff888008949000: fc fc fa fb fc fc fc fc fc fc fc fc fc fc fc fc
[ 10.683017][ T219] ^
[ 10.683146][ T219] ffff888008949080: fc fc fc fc fc fc fa fb fc fc fc fc fc fc fc fc
[ 10.683402][ T219] ffff888008949100: fc fc fc fc fc fc fc fc fc fc fa fb fc fc fc fc
[ 10.683655][ T219] ==================================================================
[ 10.683967][ T219] Disabling lock debugging due to kernel taint
[ 10.684192][ T219] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 10.684610][ T219] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
[ 10.684902][ T219] CPU: 1 UID: 0 PID: 219 Comm: python3 Tainted: G B 6.13.0-rc5-virtme #1
[ 10.685195][ T219] Tainted: [B]=BAD_PAGE
[ 10.685323][ T219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 10.685537][ T219] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 10.685768][ T219] Code: a0 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
[ 10.686364][ T219] RSP: 0018:ffffc90000ac74f0 EFLAGS: 00010a06
[ 10.686581][ T219] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff9f637b43
[ 10.686836][ T219] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 10.687090][ T219] RBP: fffffbfff4158878 R08: 0000000000000000 R09: fffffbfff4519888
[ 10.687344][ T219] R10: ffffffffa28cc447 R11: ffffc90000ac6fc0 R12: ffff8880020e4e20
[ 10.687597][ T219] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 10.687854][ T219] FS: 00007f2fcc2261c0(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[ 10.688141][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.688352][ T219] CR2: 00007f2fbec4bdd0 CR3: 000000000bbc6006 CR4: 0000000000772ef0
[ 10.688603][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.688897][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.689147][ T219] PKRU: 55555554
[ 10.689272][ T219] Call Trace:
[ 10.689399][ T219]
[ 10.689487][ T219] ? die_addr+0x41/0xa0
[ 10.689627][ T219] ? exc_general_protection+0x14d/0x230
[ 10.689801][ T219] ? asm_exc_general_protection+0x26/0x30
[ 10.689973][ T219] ? page_pool_item_uninit+0x73/0x130
[ 10.690145][ T219] ? page_pool_item_uninit+0x7a/0x130
[ 10.690314][ T219] page_pool_release+0x44a/0x5b0
[ 10.690495][ T219] ? __pfx_autoremove_wake_function+0x10/0x10
[ 10.690706][ T219] ? __pfx_page_pool_release+0x10/0x10
[ 10.690875][ T219] ? napi_disable+0x383/0x5b0
[ 10.691044][ T219] page_pool_destroy+0x11e/0x560
[ 10.691212][ T219] nsim_stop+0x21a/0x390 [netdevsim]
[ 10.691395][ T219] __dev_close_many+0x1a0/0x2d0
[ 10.691564][ T219] ? __pfx___dev_close_many+0x10/0x10
[ 10.691734][ T219] ? __pfx_validate_chain+0x10/0x10
[ 10.691902][ T219] ? hlock_class+0x4e/0x130
[ 10.692068][ T219] ? mark_lock+0x38/0x3e0
[ 10.692194][ T219] ? hlock_class+0x4e/0x130
[ 10.692363][ T219] dev_close_many+0x202/0x650
[ 10.692535][ T219] ? __pfx_dev_close_many+0x10/0x10
[ 10.692706][ T219] unregister_netdevice_many_notify+0x8ed/0x1580
[ 10.692918][ T219] ? __mutex_trylock_common+0xfa/0x260
[ 10.693089][ T219] ? __pfx___mutex_trylock_common+0x10/0x10
[ 10.693299][ T219] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 10.693508][ T219] ? lock_acquire+0x32/0xc0
[ 10.693678][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.693850][ T219] ? nsim_destroy+0x6b/0x5e0 [netdevsim]
[ 10.694028][ T219] ? __pfx___mutex_lock+0x10/0x10
[ 10.694196][ T219] unregister_netdevice_queue+0x2a4/0x410
[ 10.694365][ T219] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 10.694535][ T219] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 10.694751][ T219] nsim_destroy+0xe8/0x5e0 [netdevsim]
[ 10.694932][ T219] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 10.695153][ T219] nsim_dev_reload_destroy+0xe0/0x460 [netdevsim]
[ 10.695371][ T219] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 10.695550][ T219] device_release_driver_internal+0x3bf/0x590
[ 10.695762][ T219] ? klist_put+0xb1/0x170
[ 10.695890][ T219] bus_remove_device+0x1f1/0x3f0
[ 10.696058][ T219] device_del+0x33f/0x8c0
[ 10.696189][ T219] ? __pfx_device_del+0x10/0x10
[ 10.696358][ T219] ? lock_acquire.part.0+0xeb/0x330
[ 10.696525][ T219] ? kernfs_fop_write_iter+0x22e/0x460
[ 10.696697][ T219] device_unregister+0x17/0xb0
[ 10.696865][ T219] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 10.697084][ T219] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 10.697397][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.697567][ T219] ? sysfs_file_ops+0x11e/0x170
[ 10.697739][ T219] ? __pfx_sysfs_kf_write+0x10/0x10
[ 10.697908][ T219] kernfs_fop_write_iter+0x2ba/0x460
[ 10.698171][ T219] vfs_write+0xa81/0x11e0
[ 10.698299][ T219] ? __mutex_lock+0x190/0xbc0
[ 10.698466][ T219] ? __pfx_vfs_write+0x10/0x10
[ 10.698637][ T219] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 10.698945][ T219] ksys_write+0xf8/0x1d0
[ 10.699072][ T219] ? __pfx_ksys_write+0x10/0x10
[ 10.699239][ T219] ? kernfs_fop_llseek+0x127/0x1b0
[ 10.699410][ T219] do_syscall_64+0xc1/0x1d0
[ 10.699674][ T219] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 10.699880][ T219] RIP: 0033:0x7f2fcc440b77
[ 10.700056][ 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
[ 10.700790][ T219] RSP: 002b:00007ffdd1574c28 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 10.701046][ T219] RAX: ffffffffffffffda RBX: 00007f2fcc226140 RCX: 00007f2fcc440b77
[ 10.701396][ T219] RDX: 0000000000000004 RSI: 000055c72425f1f0 RDI: 0000000000000006
[ 10.701654][ T219] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
[ 10.701907][ T219] R10: 0000000000000002 R11: 0000000000000246 R12: 00007f2fbe154880
[ 10.702259][ T219] R13: 000055c72425f1f0 R14: 0000000000000006 R15: 000055c723fd3980
[ 10.702518][ T219]
[ 10.702646][ T219] Modules linked in: netdevsim
[ 10.702925][ T219] ---[ end trace 0000000000000000 ]---
[ 10.703093][ T219] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 10.703310][ T219] Code: a0 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
[ 10.704003][ T219] RSP: 0018:ffffc90000ac74f0 EFLAGS: 00010a06
[ 10.704219][ T219] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffff9f637b43
[ 10.704570][ T219] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 10.704823][ T219] RBP: fffffbfff4158878 R08: 0000000000000000 R09: fffffbfff4519888
[ 10.705166][ T219] R10: ffffffffa28cc447 R11: ffffc90000ac6fc0 R12: ffff8880020e4e20
[ 10.705426][ T219] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 10.705676][ T219] FS: 00007f2fcc2261c0(0000) GS:ffff888036080000(0000) knlGS:0000000000000000
[ 10.706060][ T219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 10.706271][ T219] CR2: 00007f2fbec4bdd0 CR3: 000000000bbc6006 CR4: 0000000000772ef0
[ 10.706529][ T219] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 10.706885][ T219] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 10.707135][ T219] PKRU: 55555554
[ 10.707268][ T219] Kernel panic - not syncing: Fatal exception
[ 10.707705][ T219] Kernel Offset: 0x1c000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 10.708100][ T219] ---[ end Kernel panic - not syncing: Fatal exception ]---
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