If it is too small av_image_copy_plane segfaults.
Signed-off-by: Andreas Cadhalpun <[email protected]>
---
libavcodec/dds.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/dds.c b/libavcodec/dds.c
index a604d56..324e665 100644
--- a/libavcodec/dds.c
+++ b/libavcodec/dds.c
@@ -666,6 +666,12 @@ 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);
--
2.6.2
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