linux-kernel - Re: Re: [PATCH] drm/nouveau/clk/gm20b: Fix memory leak in gm20b_clk

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]

Date:   Sun, 31 May 2020 16:23:10 +0800 (GMT+08:00)
From:   dinghao.liu@....edu.cn
To:     "Markus Elfring" <Markus.Elfring@....de>
Cc:     dri-devel@...ts.freedesktop.org, nouveau@...ts.freedesktop.org,
        kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Ben Skeggs" <bskeggs@...hat.com>,
        "David Airlie" <airlied@...ux.ie>, "Kangjie Lu" <kjlu@....edu>
Subject: Re: Re: [PATCH] drm/nouveau/clk/gm20b: Fix memory leak in
 gm20b_clk_new()

> 
> > It's the same when gm20b_clk_new() returns from elsewhere following this call.
> 
> I suggest to reconsider the interpretation of the software situation once more.
> Can it be that the allocated clock object should be kept usable even after
> a successful return from this function?
> 

It's possible that we expect an usable clk pointer, though I could not find
the exact usage yet. For security, I will release this pointer only on error 
paths in this function.

> 
> Would you like to add the tag “Fixes” to the commit message?
> 

Thank you for your advice! I will add this tag in the next version of patch.

Regards,
Dinghao