linux-kernel - Re: [PATCH] drm/mcde: Fix refcount leak in mcde_dsi

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: <CACRpkdbS2Ksdo1kP-LZ5Dva-ZY_R9k5Nai2nAji+OGouYCAZHA@mail.gmail.com>
Date:   Mon, 27 Jun 2022 09:59:33 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Miaoqian Lin <linmq006@...il.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/mcde: Fix refcount leak in mcde_dsi_bind

On Wed, May 25, 2022 at 1:54 PM Miaoqian Lin <linmq006@...il.com> wrote:

> Every iteration of for_each_available_child_of_node() decrements
> the reference counter of the previous node. There is no decrement
> when break out from the loop and results in refcount leak.
> Add missing of_node_put() to fix this.
>
> Fixes: 5fc537bfd000 ("drm/mcde: Add new driver for ST-Ericsson MCDE")
> Signed-off-by: Miaoqian Lin <linmq006@...il.com>

Patch applied for next as nonurgent fix.

Yours,
Linus Walleij