linux-kernel - Re: [PATCH] debugobject: Prevent init race with static objects

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Message-ID: <ZFClWdkHOA0Eoybu@shredder>
Date:   Tue, 2 May 2023 08:53:29 +0300
From:   Ido Schimmel <idosch@...sch.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     Schspa Shi <schspa@...il.com>, longman@...hat.com,
        swboyd@...omium.org, linux@...ck-us.net, wuchi.zero@...il.com,
        linux-kernel@...r.kernel.org,
        syzbot+5093ba19745994288b53@...kaller.appspotmail.com,
        danieller@...dia.com, petrm@...dia.com
Subject: Re: [PATCH] debugobject: Prevent init race with static objects

On Mon, May 01, 2023 at 05:42:06PM +0200, Thomas Gleixner wrote:
> The change in that patch is neither debug_objects_activate() nor
> debug_objecs_assert_init() no longer invoke debug_object_init() which is
> now the only place doing pool refills. So depending on the number of
> statically allocated objects this might deplete the pool quick enough.
> 
> Does the patch below restore the old behaviour?

Yes. Couldn't reproduce the issue with the proposed fix. Feel free to
add:

Tested-by: Ido Schimmel <idosch@...dia.com>

Thanks for the quick fix!