Subject: Re: [lkp-robot] [test_rhashtable] c1bd3689a7: WARNING:at_lib/debugobjects.c:#__debug_object_init

From: Florian Westphal <[email-masked]>
Date: Wed, 20 Sep 2017 10:44:28 +0200

kernel test robot <[email-masked]> wrote:
> FYI, we noticed the following commit:
> 
> commit: c1bd3689a70d1ba1a2f7c6781770920087166018 ("test_rhashtable: add test case for rhl_table interface")
> url: https://github.com/0day-ci/linux/commits/Florian-Westphal/test_rhashtable-add-test-case-for-rhl-table/20170919-135550
> 
> 
> in testcase: boot
> 
> on test machine: qemu-system-x86_64 -enable-kvm -smp 2 -m 512M
> 
> caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
> 
> 
> +---------------------------------------------------------+------------+------------+
> [   15.235031] WARNING: CPU: 0 PID: 1 at lib/debugobjects.c:328 __debug_object_init+0x794/0x930
[..]

This is with v1 of the patch where the rhltable struct was allocated on
stack, v2 is fine.