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avformat/oggdec: Fix integer overflow with invalid pts
If negative pts are possible for some codecs in ogg then the code needs to be
changed to use signed values.
Found-by: Thomas Guilbert <tguilbert@google.com>
Fixes: clusterfuzz_usan-2016-08-02
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit c5cc3b08e5
)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
This commit is contained in:
parent
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@ -161,6 +161,11 @@ ogg_gptopts (AVFormatContext * s, int i, uint64_t gp, int64_t *dts)
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if (dts)
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*dts = pts;
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}
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if (pts > INT64_MAX && pts != AV_NOPTS_VALUE) {
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// The return type is unsigned, we thus cannot return negative pts
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av_log(s, AV_LOG_ERROR, "invalid pts %"PRId64"\n", pts);
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pts = AV_NOPTS_VALUE;
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}
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return pts;
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}
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