diff options
| -rw-r--r-- | libavcodec/dvdsubdec.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/dvdsubdec.c b/libavcodec/dvdsubdec.c index 27a33eaef2..1c3d75e2e3 100644 --- a/libavcodec/dvdsubdec.c +++ b/libavcodec/dvdsubdec.c @@ -344,6 +344,10 @@ static int decode_dvd_subtitles(AVSubtitle *sub_header, sub_header->rects[0]->pict.linesize[0] = w; } } + if (next_cmd_pos < cmd_pos) { + av_log(NULL, AV_LOG_ERROR, "Invalid command offset\n"); + break; + } if (next_cmd_pos == cmd_pos) break; cmd_pos = next_cmd_pos; |