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authorAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>2016-10-13 22:14:46 +0200
committerAndreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>2016-10-17 17:24:40 +0200
commit0887f1835d69d65fef45eb9aa0183bb06954f52a (patch)
treeb9742975ee8a664756fca934a3b9970d5a2bc495 /libavcodec/v408dec.c
parentde42af2beef7ecc3bf44d746c316de437b8be274 (diff)
downloadffmpeg-0887f1835d69d65fef45eb9aa0183bb06954f52a.tar.gz
libopenjpegenc: fix out-of-bounds reads when filling the edges
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. Reviewed-by: Michael Bradshaw <mjbshaw@gmail.com> Reviewed-by: Michael Niedermayer <michael@niedermayer.cc> Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com> (cherry picked from commit 56706ac0d5723cb549fec2602e798ab1bf6004cd) Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun@googlemail.com>
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