linux-kernel - Re: [PATCH v4 2/4] mm,page_owner: Fix refcount imbalance

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Message-ID: <Zjj60VQWR-Nm6SfU@localhost.localdomain>
Date: Mon, 6 May 2024 17:44:17 +0200
From: Oscar Salvador <osalvador@...e.de>
To: Kees Cook <keescook@...omium.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Michal Hocko <mhocko@...e.com>,
	Vlastimil Babka <vbabka@...e.cz>, Marco Elver <elver@...gle.com>,
	Andrey Konovalov <andreyknvl@...il.com>,
	Alexander Potapenko <glider@...gle.com>,
	Alexandre Ghiti <alexghiti@...osinc.com>,
	syzbot+41bbfdb8d41003d12c0f@...kaller.appspotmail.com
Subject: Re: [PATCH v4 2/4] mm,page_owner: Fix refcount imbalance

On Mon, May 06, 2024 at 05:41:28PM +0200, Oscar Salvador wrote:
> On Mon, May 06, 2024 at 07:59:11AM -0700, Kees Cook wrote:
> > This pr_warn() isn't needed: refcount will very loudly say the same
> > thing. :)
> 
> Yes, but I wanted to get the handle so I can match it with the
> backtrace.

Although on a second though, I could just switch it to pr_info(),
otherwise the warnings from both refcount and page_owner might get
tangled.

I will check and send a patch later.
 

-- 
Oscar Salvador
SUSE Labs