linux-kernel - Re: [PATCH v2 2/3] mm: kmemleak: Factor object reference updating out of scan

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20170526171903.5q3e5vqbhzcymdcd@hermes.olymp>
Date:   Fri, 26 May 2017 18:19:03 +0100
From:   Luis Henriques <lhenriques@...e.com>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Michal Hocko <mhocko@...nel.org>,
        Andy Lutomirski <luto@...capital.net>,
        "Luis R. Rodriguez" <mcgrof@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 2/3] mm: kmemleak: Factor object reference updating
 out of scan_block()

On Fri, May 26, 2017 at 05:23:30PM +0100, Catalin Marinas wrote:
> On Fri, May 26, 2017 at 05:21:08PM +0100, Catalin Marinas wrote:
> > On Fri, May 26, 2017 at 05:09:17PM +0100, Luis Henriques wrote:
> > > On Thu, May 25, 2017 at 04:42:16PM +0100, Catalin Marinas wrote:
> > > > The scan_block() function updates the number of references (pointers) to
> > > > objects, adding them to the gray_list when object->min_count is reached.
> > > > The patch factors out this functionality into a separate update_refs()
> > > > function.
> > > > 
> > > > Cc: Michal Hocko <mhocko@...nel.org>
> > > > Cc: Andy Lutomirski <luto@...capital.net>
> > > > Cc: "Luis R. Rodriguez" <mcgrof@...nel.org>
> > > > Signed-off-by: Catalin Marinas <catalin.marinas@....com>
> [...]
> > > FWIW, I've tested this patchset and I don't see kmemleak triggering the
> > > false positives anymore.
> > 
> > Thanks for re-testing (I dropped your tested-by from the initial patch
> > since I made a small modification).
> 
> Sorry, the "re-testing" comment was meant at the other Luis on cc ;)
> (Luis R. Rodriguez). It's been a long day...

Heh, no worries!  What are the odds of having 2 different guys named Luis
testing the same patch? :-)

Cheers,
--
Luís