linux-kernel - Re: [PATCH] mm, vmpressure: Fix a signedness bug in vmpressure_register

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

Message-ID: <alpine.DEB.2.21.1909261204300.39830@chino.kir.corp.google.com>
Date:   Thu, 26 Sep 2019 12:04:42 -0700 (PDT)
From:   David Rientjes <rientjes@...gle.com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        tglx@...utronix.de, Enrico Weigelt <info@...ux.net>,
        Kate Stewart <kstewart@...uxfoundation.org>,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] mm, vmpressure: Fix a signedness bug in
 vmpressure_register_event()

On Wed, 25 Sep 2019, Dan Carpenter wrote:

> The "mode" and "level" variables are enums and in this context GCC will
> treat them as unsigned ints so the error handling is never triggered.
> 
> I also removed the bogus initializer because it isn't required any more
> and it's sort of confusing.
> 
> Fixes: 3cadfa2b9497 ("mm/vmpressure.c: convert to use match_string() helper")
> Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

Acked-by: David Rientjes <rientjes@...gle.com>