avformat/utils: Add av_assert1 to preclude NULL + len, len != 0

Such a scenario is undefined behaviour and would also indicate a bug in our code. Suggested-by: James Almer <[email protected]> Reviewed-by: James Almer <[email protected]> Signed-off-by: Andreas Rheinhardt <[email protected]>
ALECX123 · Feb 15, 2021 · da85709 · da85709
1 parent c0d0b1c
commit da85709
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/libavformat/utils.c b/libavformat/utils.c
@@ -1426,6 +1426,7 @@ static int parse_packet(AVFormatContext *s, AVPacket *pkt,
         pkt->pts = pkt->dts = AV_NOPTS_VALUE;
         pkt->pos = -1;
         /* increment read pointer */
+        av_assert1(data || !len);
         data  = len ? data + len : data;
         size -= len;