[ 9.736715][ T255] netdevsim netdevsim500 eni500np1: renamed from eth0
[ 9.836500][ T254] netdevsim netdevsim543 eni543np1: renamed from eth1
[ 12.850802][ T252] ==================================================================
[ 12.851155][ T252] BUG: KASAN: use-after-free in page_pool_item_uninit+0x100/0x130
[ 12.851403][ T252] Read of size 8 at addr ffff8880029b9008 by task busy_poll_test./252
[ 12.851643][ T252]
[ 12.851727][ T252] CPU: 1 UID: 0 PID: 252 Comm: busy_poll_test. Not tainted 6.13.0-rc5-virtme #1
[ 12.852008][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.852211][ T252] Call Trace:
[ 12.852336][ T252]
[ 12.852422][ T252] dump_stack_lvl+0x82/0xd0
[ 12.852589][ T252] print_address_description.constprop.0+0x2c/0x3b0
[ 12.852796][ T252] ? page_pool_item_uninit+0x100/0x130
[ 12.852961][ T252] print_report+0xb4/0x270
[ 12.853121][ T252] ? kasan_addr_to_slab+0x25/0x80
[ 12.853283][ T252] kasan_report+0xbd/0xf0
[ 12.853405][ T252] ? page_pool_item_uninit+0x100/0x130
[ 12.853573][ T252] page_pool_item_uninit+0x100/0x130
[ 12.853738][ T252] page_pool_release+0x44a/0x5b0
[ 12.853901][ T252] ? __pfx_autoremove_wake_function+0x10/0x10
[ 12.854102][ T252] ? __pfx_page_pool_release+0x10/0x10
[ 12.854264][ T252] ? napi_disable+0x383/0x5b0
[ 12.854429][ T252] page_pool_destroy+0x11e/0x560
[ 12.854599][ T252] nsim_stop+0x21a/0x390 [netdevsim]
[ 12.854776][ T252] __dev_close_many+0x1a0/0x2d0
[ 12.854940][ T252] ? __pfx___dev_close_many+0x10/0x10
[ 12.855105][ T252] ? __pfx_validate_chain+0x10/0x10
[ 12.855267][ T252] ? hlock_class+0x4e/0x130
[ 12.855426][ T252] ? mark_lock+0x38/0x3e0
[ 12.855549][ T252] ? hlock_class+0x4e/0x130
[ 12.855713][ T252] dev_close_many+0x202/0x650
[ 12.855879][ T252] ? __pfx_dev_close_many+0x10/0x10
[ 12.856056][ T252] unregister_netdevice_many_notify+0x8ed/0x1580
[ 12.856252][ T252] ? __mutex_trylock_common+0xfa/0x260
[ 12.856413][ T252] ? __pfx___mutex_trylock_common+0x10/0x10
[ 12.856630][ T252] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 12.856833][ T252] ? lock_acquire+0x32/0xc0
[ 12.856996][ T252] ? __mutex_lock+0x190/0xbc0
[ 12.857157][ T252] ? nsim_destroy+0x6b/0x5f0 [netdevsim]
[ 12.857329][ T252] ? __pfx___mutex_lock+0x10/0x10
[ 12.857494][ T252] unregister_netdevice_queue+0x2a4/0x410
[ 12.857671][ T252] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 12.857829][ T252] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.858025][ T252] nsim_destroy+0xe8/0x5f0 [netdevsim]
[ 12.858196][ T252] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 12.858403][ T252] nsim_dev_reload_destroy+0xe0/0x470 [netdevsim]
[ 12.858607][ T252] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 12.858773][ T252] device_release_driver_internal+0x3bf/0x590
[ 12.858990][ T252] ? klist_put+0xb1/0x170
[ 12.859113][ T252] bus_remove_device+0x1f1/0x3f0
[ 12.859280][ T252] device_del+0x33f/0x8c0
[ 12.859409][ T252] ? __pfx_device_del+0x10/0x10
[ 12.859573][ T252] ? lock_acquire.part.0+0xeb/0x330
[ 12.859735][ T252] ? kernfs_fop_write_iter+0x22e/0x460
[ 12.859900][ T252] device_unregister+0x17/0xb0
[ 12.860062][ T252] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 12.860283][ T252] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 12.860508][ T252] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.860671][ T252] ? sysfs_file_ops+0x11e/0x170
[ 12.860831][ T252] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.860993][ T252] kernfs_fop_write_iter+0x2ba/0x460
[ 12.861153][ T252] vfs_write+0xa81/0x11e0
[ 12.861276][ T252] ? __pfx_vfs_write+0x10/0x10
[ 12.861437][ T252] ? find_held_lock+0x2c/0x110
[ 12.861600][ T252] ? __pfx___lock_release+0x10/0x10
[ 12.861766][ T252] ksys_write+0xf8/0x1d0
[ 12.861889][ T252] ? __pfx_ksys_write+0x10/0x10
[ 12.862052][ T252] do_syscall_64+0xc1/0x1d0
[ 12.862214][ T252] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 12.862426][ T252] RIP: 0033:0x7fbd2e99ab77
[ 12.862591][ T252] 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
[ 12.863151][ T252] RSP: 002b:00007fff2dd71128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 12.863390][ T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbd2e99ab77
[ 12.863626][ T252] RDX: 0000000000000004 RSI: 00005633961cef80 RDI: 0000000000000001
[ 12.863859][ T252] RBP: 00005633961cef80 R08: 0000000000000000 R09: 00007fbd2ea0d4e0
[ 12.864097][ T252] R10: 00007fbd2ea0d3e0 R11: 0000000000000246 R12: 0000000000000004
[ 12.864332][ T252] R13: 00007fbd2ea56760 R14: 0000000000000004 R15: 00007fbd2ea519c0
[ 12.864611][ T252]
[ 12.864734][ T252]
[ 12.864817][ T252] The buggy address belongs to the physical page:
[ 12.865015][ T252] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x29b9
[ 12.865300][ T252] flags: 0x80000000000000(node=0|zone=1)
[ 12.865464][ T252] page_type: f5(slab)
[ 12.865589][ T252] raw: 0080000000000000 ffff8880010427c0 ffffea000023cd10 ffffea0000259190
[ 12.865882][ T252] raw: 0000000000000000 0000000000190019 00000001f5000000 0000000000000000
[ 12.866157][ T252] page dumped because: kasan: bad access detected
[ 12.866354][ T252]
[ 12.866433][ T252] Memory state around the buggy address:
[ 12.866586][ T252] ffff8880029b8f00: fc fa fb fb fb fb fb fb fb fb fb fc fc fc fc fc
[ 12.866840][ T252] ffff8880029b8f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
[ 12.867075][ T252] >ffff8880029b9000: fc fc fa fb fc fc fc fc fc fc fc fc fc fc fc fc
[ 12.867314][ T252] ^
[ 12.867436][ T252] ffff8880029b9080: fc fc fc fc fc fc fa fb fc fc fc fc fc fc fc fc
[ 12.867669][ T252] ffff8880029b9100: fc fc fc fc fc fc fc fc fc fc fa fb fc fc fc fc
[ 12.867911][ T252] ==================================================================
[ 12.868363][ T252] Disabling lock debugging due to kernel taint
[ 12.868590][ T252] Oops: general protection fault, probably for non-canonical address 0xf99995999999999c: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 12.868974][ T252] KASAN: maybe wild-memory-access in range [0xcccccccccccccce0-0xcccccccccccccce7]
[ 12.869243][ T252] CPU: 1 UID: 0 PID: 252 Comm: busy_poll_test. Tainted: G B 6.13.0-rc5-virtme #1
[ 12.869560][ T252] Tainted: [B]=BAD_PAGE
[ 12.869688][ T252] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 12.869878][ T252] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 12.870077][ T252] Code: b2 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
[ 12.870613][ T252] RSP: 0018:ffffc90000b374f0 EFLAGS: 00010a06
[ 12.870805][ T252] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffb189f6e3
[ 12.871032][ T252] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 12.871257][ T252] RBP: fffffbfff65e4c78 R08: 0000000000000000 R09: fffffbfff69bf688
[ 12.871482][ T252] R10: ffffffffb4dfb447 R11: 205d323532542020 R12: ffff88800e48aa20
[ 12.871712][ T252] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 12.871939][ T252] FS: 00007fbd2e859740(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[ 12.872224][ T252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.872420][ T252] CR2: 00005633961cef80 CR3: 0000000009920004 CR4: 0000000000772ef0
[ 12.872655][ T252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 12.872887][ T252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 12.873119][ T252] PKRU: 55555554
[ 12.873235][ T252] Call Trace:
[ 12.873351][ T252]
[ 12.873431][ T252] ? die_addr+0x41/0xa0
[ 12.873553][ T252] ? exc_general_protection+0x14d/0x230
[ 12.873724][ T252] ? asm_exc_general_protection+0x26/0x30
[ 12.873878][ T252] ? page_pool_item_uninit+0x73/0x130
[ 12.874029][ T252] ? page_pool_item_uninit+0x7a/0x130
[ 12.874182][ T252] page_pool_release+0x44a/0x5b0
[ 12.874336][ T252] ? __pfx_autoremove_wake_function+0x10/0x10
[ 12.874563][ T252] ? __pfx_page_pool_release+0x10/0x10
[ 12.874720][ T252] ? napi_disable+0x383/0x5b0
[ 12.874879][ T252] page_pool_destroy+0x11e/0x560
[ 12.875035][ T252] nsim_stop+0x21a/0x390 [netdevsim]
[ 12.875204][ T252] __dev_close_many+0x1a0/0x2d0
[ 12.875360][ T252] ? __pfx___dev_close_many+0x10/0x10
[ 12.875517][ T252] ? __pfx_validate_chain+0x10/0x10
[ 12.875673][ T252] ? hlock_class+0x4e/0x130
[ 12.875838][ T252] ? mark_lock+0x38/0x3e0
[ 12.875957][ T252] ? hlock_class+0x4e/0x130
[ 12.876128][ T252] dev_close_many+0x202/0x650
[ 12.876284][ T252] ? __pfx_dev_close_many+0x10/0x10
[ 12.876441][ T252] unregister_netdevice_many_notify+0x8ed/0x1580
[ 12.876637][ T252] ? __mutex_trylock_common+0xfa/0x260
[ 12.876796][ T252] ? __pfx___mutex_trylock_common+0x10/0x10
[ 12.876988][ T252] ? __pfx_unregister_netdevice_many_notify+0x10/0x10
[ 12.877185][ T252] ? lock_acquire+0x32/0xc0
[ 12.877342][ T252] ? __mutex_lock+0x190/0xbc0
[ 12.877499][ T252] ? nsim_destroy+0x6b/0x5f0 [netdevsim]
[ 12.877693][ T252] ? __pfx___mutex_lock+0x10/0x10
[ 12.877849][ T252] unregister_netdevice_queue+0x2a4/0x410
[ 12.878005][ T252] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 12.878163][ T252] ? __pfx_unregister_netdevice_queue+0x10/0x10
[ 12.878357][ T252] nsim_destroy+0xe8/0x5f0 [netdevsim]
[ 12.878523][ T252] __nsim_dev_port_del+0x17e/0x250 [netdevsim]
[ 12.878727][ T252] nsim_dev_reload_destroy+0xe0/0x470 [netdevsim]
[ 12.878931][ T252] nsim_drv_remove+0x51/0x1d0 [netdevsim]
[ 12.879097][ T252] device_release_driver_internal+0x3bf/0x590
[ 12.879290][ T252] ? klist_put+0xb1/0x170
[ 12.879413][ T252] bus_remove_device+0x1f1/0x3f0
[ 12.879570][ T252] device_del+0x33f/0x8c0
[ 12.879691][ T252] ? __pfx_device_del+0x10/0x10
[ 12.879846][ T252] ? lock_acquire.part.0+0xeb/0x330
[ 12.880003][ T252] ? kernfs_fop_write_iter+0x22e/0x460
[ 12.880161][ T252] device_unregister+0x17/0xb0
[ 12.880316][ T252] del_device_store+0x2f3/0x4f0 [netdevsim]
[ 12.880524][ T252] ? __pfx_del_device_store+0x10/0x10 [netdevsim]
[ 12.880728][ T252] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.880882][ T252] ? sysfs_file_ops+0x11e/0x170
[ 12.881040][ T252] ? __pfx_sysfs_kf_write+0x10/0x10
[ 12.881293][ T252] kernfs_fop_write_iter+0x2ba/0x460
[ 12.881459][ T252] vfs_write+0xa81/0x11e0
[ 12.881578][ T252] ? __pfx_vfs_write+0x10/0x10
[ 12.881744][ T252] ? find_held_lock+0x2c/0x110
[ 12.881988][ T252] ? __pfx___lock_release+0x10/0x10
[ 12.882143][ T252] ksys_write+0xf8/0x1d0
[ 12.882258][ T252] ? __pfx_ksys_write+0x10/0x10
[ 12.882431][ T252] do_syscall_64+0xc1/0x1d0
[ 12.882682][ T252] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 12.882875][ T252] RIP: 0033:0x7fbd2e99ab77
[ 12.883035][ T252] 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
[ 12.883689][ T252] RSP: 002b:00007fff2dd71128 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 12.883917][ T252] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fbd2e99ab77
[ 12.884242][ T252] RDX: 0000000000000004 RSI: 00005633961cef80 RDI: 0000000000000001
[ 12.884494][ T252] RBP: 00005633961cef80 R08: 0000000000000000 R09: 00007fbd2ea0d4e0
[ 12.884827][ T252] R10: 00007fbd2ea0d3e0 R11: 0000000000000246 R12: 0000000000000004
[ 12.885061][ T252] R13: 00007fbd2ea56760 R14: 0000000000000004 R15: 00007fbd2ea519c0
[ 12.885294][ T252]
[ 12.885416][ T252] Modules linked in: netdevsim psample
[ 12.885684][ T252] ---[ end trace 0000000000000000 ]---
[ 12.885848][ T252] RIP: 0010:page_pool_item_uninit+0x7a/0x130
[ 12.886041][ T252] Code: b2 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
[ 12.886693][ T252] RSP: 0018:ffffc90000b374f0 EFLAGS: 00010a06
[ 12.886887][ T252] RAX: 199999999999999c RBX: dffffc0000000000 RCX: ffffffffb189f6e3
[ 12.887214][ T252] RDX: 0000000000000000 RSI: 0000000000000004 RDI: cccccccccccccce0
[ 12.887447][ T252] RBP: fffffbfff65e4c78 R08: 0000000000000000 R09: fffffbfff69bf688
[ 12.887781][ T252] R10: ffffffffb4dfb447 R11: 205d323532542020 R12: ffff88800e48aa20
[ 12.888009][ T252] R13: ccccccccccccccc4 R14: cccccccccccccce0 R15: 0000000000000000
[ 12.888233][ T252] FS: 00007fbd2e859740(0000) GS:ffff88806d080000(0000) knlGS:0000000000000000
[ 12.888627][ T252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 12.888821][ T252] CR2: 00005633961cef80 CR3: 0000000009920004 CR4: 0000000000772ef0
[ 12.889059][ T252] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 12.889389][ T252] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 12.889621][ T252] PKRU: 55555554
[ 12.889737][ T252] Kernel panic - not syncing: Fatal exception
[ 12.890181][ T252] Kernel Offset: 0x2e200000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 12.890542][ T252] ---[ end Kernel panic - not syncing: Fatal exception ]---
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