[FFmpeg-devel] [PATCH] libopenjpegenc: fix out-of-bounds reads when filling the edges
andreas.cadhalpun at googlemail.com
Fri Oct 14 18:01:24 EEST 2016
On 14.10.2016 06:08, Michael Bradshaw wrote:
> On Thu, Oct 13, 2016 at 6:49 PM, Michael Niedermayer <michael at niedermayer.cc
>>> libopenjpegenc.c | 18 +++++++++---------
>>> 1 file changed, 9 insertions(+), 9 deletions(-)
>>> 17061aee3e88729993c9581f688cbfda01fccaac 0001-libopenjpegenc-fix-out-
>>> From 1461064c1eaabb71661f9ff68b94f35a1b98e3b5 Mon Sep 17 00:00:00 2001
>>> From: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
>>> Date: Thu, 13 Oct 2016 22:14:46 +0200
>>> Subject: [PATCH] libopenjpegenc: fix out-of-bounds reads when filling the
>>> The calculation of width/height should round up, not round down to
>>> prevent setting width or height to 0.
>>> Also image->comps[compno].w is unsigned (at least in openjpeg2), so the
>>> calculation could silently wrap around without the explicit cast to int.
>> LGTM, iam not libopenjpegenc maintainer though
> Looks good to me too. Please feel free to apply it. Thanks!
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