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authorXi Wang <xi.wang@gmail.com>2013-01-22 20:58:07 -0500
committerMichael Niedermayer <michaelni@gmx.at>2013-03-20 22:02:28 +0100
commita31be9dd065bc294c214dfaad9abd08fe3919569 (patch)
tree710bc67285697759481d4d8c6197b8eb11c147c2 /tests
parentb63dbe2220211fc8e9c0dc230dd024d34e5f3c6f (diff)
downloadffmpeg-a31be9dd065bc294c214dfaad9abd08fe3919569.tar.gz
rtpenc: fix overflow checking in avc_mp4_find_startcode()
The check `start + res < start' is broken since pointer overflow is undefined behavior in C. Many compilers such as gcc/clang optimize away this check. Use `res > end - start' instead. Also change `res' to unsigned int to avoid signed left-shift overflow. Signed-off-by: Xi Wang <xi.wang@gmail.com> Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit 2f014567cfd63e58156f60666f1a61ba147276ab) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'tests')
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