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avformat/sbgdec: Fixes integer overflow in str_to_time() with hours 

Fixes: signed integer overflow: 904444 * 3600 cannot be represented in type 'int'
Fixes: 15113/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5764083346833408

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
Michael Niedermayer 2019-06-06 23:20:49 +02:00
parent aa003019ab
commit 2a0f23b9d6
1 changed files with 1 additions and 1 deletions
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2
libavformat/sbgdec.c
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@ -197,7 +197,7 @@ static int str_to_time(const char *str, int64_t *rtime)
if (end > cur + 1)
cur = end;
}
*rtime = (hours * 3600 + minutes * 60 + seconds) * AV_TIME_BASE;
*rtime = (hours * 3600LL + minutes * 60LL + seconds) * AV_TIME_BASE;
return cur - str;
}