[FFmpeg-cvslog] avformat/webvttdec: Dont skip over a never checked byte after -->
Michael Niedermayer
git at videolan.org
Tue Jan 7 04:23:01 CET 2014
ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Tue Jan 7 04:08:18 2014 +0100| [b0517467c0b60b9e9e1a660859727e1f512c70d0] | committer: Michael Niedermayer
avformat/webvttdec: Dont skip over a never checked byte after -->
Fixes use of uninitialized memory
Fixes: msan_uninit-mem_7f49667d83db_3396_WebVTT_capability_tester.vtt
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=b0517467c0b60b9e9e1a660859727e1f512c70d0
---
libavformat/webvttdec.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavformat/webvttdec.c b/libavformat/webvttdec.c
index 0654485..e457e8f 100644
--- a/libavformat/webvttdec.c
+++ b/libavformat/webvttdec.c
@@ -119,7 +119,7 @@ static int webvtt_read_header(AVFormatContext *s)
break;
if (!(p = strstr(p, "-->")))
break;
- p += 3;
+ p += 2;
do p++; while (*p == ' ' || *p == '\t');
if ((ts_end = read_ts(p)) == AV_NOPTS_VALUE)
break;
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