1 files changed, 6 insertions, 2 deletions
diff --git a/libavcodec/wmadec.c b/libavcodec/wmadec.c
index 7d7cc7f7bf..c90e22ca8e 100644
--- a/libavcodec/wmadec.c
+++ b/libavcodec/wmadec.c
@@ -834,8 +834,12 @@ static int wma_decode_superframe(AVCodecContext *avctx, void *data,
         s->last_superframe_len = 0;
         return 0;
     }
-    if (buf_size < s->block_align)
-        return AVERROR(EINVAL);
+    if (buf_size < s->block_align) {
+        av_log(avctx, AV_LOG_ERROR,
+               "Input packet size too small (%d < %d)\n",
+               buf_size, s->block_align);
+        return AVERROR_INVALIDDATA;
+    }
     if(s->block_align)
         buf_size = s->block_align;