avformat/mov: check avio_read() return in mov_read_dref()

[ffmpeg] / libavcodec / iff.c

diff --git a/libavcodec/iff.c b/libavcodec/iff.c
index e71f5b00b9643272c627c24b63250ef750f87506..4bde0a81174af4d3a481b7e9bfe69ada214240cc 100644 (file)
--- a/libavcodec/iff.c
+++ b/libavcodec/iff.c
@@ -499,6 +499,10 @@ static int decode_byterun(uint8_t *dst, int dst_size,
         }
         x += length;
     }
+    if (x < dst_size) {
+        av_log(NULL, AV_LOG_WARNING, "decode_byterun ended before plane size\n");
+        memset(dst+x, 0, dst_size - x);
+    }
     return buf - buf_start;
 }