ffmpeg | branch: master | Andreas Cadhalpun <andreas.cadhal...@googlemail.com> | Wed Nov 11 01:14:57 2015 +0100| [e6459c655e110cd9acb5d0658d89c415eaca847b] | committer: Vittorio Giovara
dds: validate source buffer size before copying If it is too small av_image_copy_plane segfaults. Signed-off-by: Andreas Cadhalpun <andreas.cadhal...@googlemail.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e6459c655e110cd9acb5d0658d89c415eaca847b --- libavcodec/dds.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libavcodec/dds.c b/libavcodec/dds.c index 04b1dd2..0f045d6 100644 --- a/libavcodec/dds.c +++ b/libavcodec/dds.c @@ -668,6 +668,12 @@ static int dds_decode(AVCodecContext *avctx, void *data, frame->palette_has_changed = 1; } + if (bytestream2_get_bytes_left(gbc) < frame->height * linesize) { + av_log(avctx, AV_LOG_ERROR, "Buffer is too small (%d < %d).\n", + bytestream2_get_bytes_left(gbc), frame->height * linesize); + return AVERROR_INVALIDDATA; + } + av_image_copy_plane(frame->data[0], frame->linesize[0], gbc->buffer, linesize, linesize, frame->height); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog
