libextractor

commit 19978b3a5b0bea9b139601f40c2e61dcd7cbfafc
parent 1340d301dd8d4273cc60a4c7878800f96080ba08
Author: Christian Grothoff <christian@grothoff.org>
Date:   Sat, 19 Jul 2008 03:59:01 +0000

fix potential memcpy of size -1 -- mega-outch

Diffstat:
M
src/plugins/thumbnailffmpeg/ffmpeg/libavcodec/imgconvert.c
 | 
2
++

1 file changed, 2 insertions(+), 0 deletions(-)
diff --git a/src/plugins/thumbnailffmpeg/ffmpeg/libavcodec/imgconvert.c b/src/plugins/thumbnailffmpeg/ffmpeg/libavcodec/imgconvert.c
@@ -896,6 +896,8 @@ void av_picture_copy(AVPicture *dst, const AVPicture *src,
         for(i = 0; i < pf->nb_channels; i++) {
             int w, h;
             int bwidth = ff_get_plane_bytewidth(pix_fmt, width, i);
+	    if (bwidth < 0)
+	      continue; /* unknown pixel type, ignore */
             w = width;
             h = height;
             if (i == 1 || i == 2) {