linux-kernel - Re: [PATCH 1/2] opp: fix of_node leak for unsupported entries

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:   Tue, 7 Jan 2020 12:01:48 +0530
From:   Viresh Kumar <viresh.kumar@...aro.org>
To:     Michał Mirosław <mirq-linux@...e.qmqm.pl>
Cc:     Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>,
        Stephen Boyd <sboyd@...nel.org>, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] opp: fix of_node leak for unsupported entries

On 03-01-20, 20:36, Michał Mirosław wrote:
> When parsing OPP v2 table, unsupported entries return NULL from
> _opp_add_static_v2().

Please fix that and return something sensible from there.

> In this case node reference is leaked.
> Make _opp_add_static_v2() always assume ownership of the reference
> to fix this.

The ownership lies with the routine which took the reference in the first place.

-- 
viresh