Issue 167 in mp4v2: Integer overflow/wraparound in \src\mp4track.cpp

[mp...@googlecode.com]

Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 167 by shankar...@gmail.com: Integer overflow/wraparound in
\src\mp4track.cpp
http://code.google.com/p/mp4v2/issues/detail?id=167

In line 1124: if (d <= sampleCount * sampleDelta), there is a change for an
integer wraparound here.

d is of type MP4Duration, which is unint64_t. The multiplication is of two
uint32_t.

A simple change would be to cast of the operands to MP4Duration which would
convert both of the operands to MP4Duration before multiplication.

I am using the latest version of mp4v2.

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