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avformat/webvttdec: Dont skip over a never checked byte after -->

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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@gmx.at>
This commit is contained in:
Michael Niedermayer 2014-01-07 04:08:18 +01:00
parent 21b25537fb
commit b0517467c0
1 changed files with 1 additions and 1 deletions
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2
libavformat/webvttdec.c
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@ -119,7 +119,7 @@ static int webvtt_read_header(AVFormatContext *s)
break; break;
if (!(p = strstr(p, "-->"))) if (!(p = strstr(p, "-->")))
break; break;
p += 3; p += 2;
do p++; while (*p == ' ' || *p == '\t'); do p++; while (*p == ' ' || *p == '\t');
if ((ts_end = read_ts(p)) == AV_NOPTS_VALUE) if ((ts_end = read_ts(p)) == AV_NOPTS_VALUE)
break; break;