linux-kernel - Re: [PATCH 05/10] drm/msm: fix drm device leak on bind errors

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:   Wed, 22 Mar 2023 08:47:50 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc:     Johan Hovold <johan+linaro@...nel.org>,
        Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH 05/10] drm/msm: fix drm device leak on bind errors

On Tue, Mar 21, 2023 at 04:54:51PM +0200, Dmitry Baryshkov wrote:
> On 06/03/2023 12:07, Johan Hovold wrote:
> > Make sure to free the DRM device also in case of early errors during
> > bind().
> > 
> > Fixes: 2027e5b3413d ("drm/msm: Initialize MDSS irq domain at probe time")
> > Cc: stable@...r.kernel.org      # 5.17
> > Cc: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> > Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> 
> Can we migrate to devm_drm_dev_alloc instead() ? Will it make code 
> simpler and/or easier to handle?

I'm just fixing the bugs here. Cleanups/rework like that can be done on
top but should not be backported as it risks introducing new issues.

Johan