linux-kernel - Re: [PATCH] dmaengine: img-mdc: fix a possible NULL dereference

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: <20160822062851.GO2890@localhost>
Date:   Mon, 22 Aug 2016 11:58:51 +0530
From:   Vinod Koul <vinod.koul@...el.com>
To:     LABBE Corentin <clabbe.montjoie@...il.com>
Cc:     dan.j.williams@...el.com, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dmaengine: img-mdc: fix a possible NULL dereference

On Tue, Aug 16, 2016 at 10:44:18AM +0200, LABBE Corentin wrote:
> of_match_device could return NULL, and so cause a NULL pointer
> dereference later at line 850:
> mdma->soc = match->data;
> 
> For fixing this problem, we use of_device_get_match_data(), this will
> simplify the code a little by using a standard function for
> getting the match data.
> 
> Reported-by: coverity (CID 1324134)

The reported-by tags expects an email ID. I have modfied this to freetext
and applied
-- 
~Vinod