Object debugging warning from efivar
From: Qian Cai
Date: Fri Nov 09 2018 - 17:19:33 EST
Booting this aarch64 server with the latest mainline (3541833fd1f2) get this warning
using object debugging. Any idea?
[ 34.716558] ODEBUG: object (____ptrval____) is NOT on stack (____ptrval____), but annotated.
[ 34.725266] WARNING: CPU: 0 PID: 1 at lib/debugobjects.c:369 __debug_object_init+0x910/0x918
[ 34.733806] Modules linked in:
[ 34.736903] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.20.0-rc1+ #1
[ 34.744740] Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.50 06/01/2018
[ 34.752051] pstate: 20000085 (nzCv daIf -PAN -UAO)
[ 34.756902] pc : __debug_object_init+0x910/0x918
[ 34.761576] lr : __debug_object_init+0x594/0x918
[ 34.766249] sp : ffff8096c1a0f420
[ 34.769603] x29: ffff8096c1a0f420 x28: 1ffff012d8341ec6
[ 34.774984] x27: ffff20000bc21000 x26: ffff20000bc34e40
[ 34.780364] x25: ffff8096c411e8c8 x24: ffff8096c411e8d0
[ 34.785743] x23: ffff20000c5654d0 x22: ffff20000bc21c40
[ 34.791123] x21: ffff801ec1a00060 x20: ffff801ec1a00040
[ 34.796502] x19: ffff801ec1a00040 x18: 000000000000003f
[ 34.801881] x17: 0000000000000000 x16: 0000000000000000
[ 34.807260] x15: 0000000000007fff x14: 6e6120747562202c
[ 34.812640] x13: 295f5f5f5f6c6176 x12: ffff1012d8341ceb
[ 34.818019] x11: 00000000f2f2f2f2 x10: dfff200000000000
[ 34.823399] x9 : ffff20000a0e9848 x8 : ffff801ec1a00b70
[ 34.828778] x7 : 00000000f2f2f204 x6 : 00000000f2f2f204
[ 34.834157] x5 : 0000000041b58ab3 x4 : dfff200000000000
[ 34.839537] x3 : dfff200000000000 x2 : 2b6ba53cf7873600
[ 34.844916] x1 : 0000000000000000 x0 : 0000000000000050
[ 34.850295] Call trace:
[ 34.852772] __debug_object_init+0x910/0x918
[ 34.857095] debug_object_init_on_stack+0x20/0x28
[ 34.861859] __init_work+0x34/0x50
[ 34.865304] virt_efi_get_next_variable+0xbc/0x190
[ 34.870153] efivar_init+0x144/0x4b0
[ 34.873773] efisubsys_init+0x1a8/0x428
[ 34.877656] do_one_initcall+0x160/0x6bc
[ 34.881628] kernel_init_freeable+0x74c/0x814
[ 34.886040] kernel_init+0x18/0x11c
[ 34.889572] ret_from_fork+0x10/0x1c
[ 34.893189] irq event stamp: 882290
[ 34.896723] hardirqs last enabled at (882289): [<ffff200008fab538>] _raw_spin_unlock_irqrestore+0x80/0x88
[ 34.906496] hardirqs last disabled at (882290): [<ffff200008fab264>] _raw_spin_lock_irqsave+0x34/0x98
[ 34.915829] softirqs last enabled at (881706): [<ffff200008082210>] __do_softirq+0x7c8/0x9c8
[ 34.924460] softirqs last disabled at (881697): [<ffff20000812dbe4>] irq_exit+0x25c/0x2f0
[ 34.932736] ---[ end trace f86eaf2ac70822cc ]---