avcodec/mpeg4videodec: Check the other 3 sprite points for intermediate overflows
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 23 Feb 2017 21:33:16 +0000 (22:33 +0100)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 23 Feb 2017 23:38:45 +0000 (00:38 +0100)
commit76ba09d18245a2a41dc5f93a60fd00cdf358cb1f
tree723e94950fd369858853231fd290dcd4c47e6d94
parent359586f14f46bf3f9c1ae3375d80e8c0fc377bef
avcodec/mpeg4videodec: Check the other 3 sprite points for intermediate overflows

This is not necessarily specific to fuzzed files

Fixes: Multiple integer overflows
Fixes: 656/clusterfuzz-testcase-6463814516080640
Fixes: 658/clusterfuzz-testcase-6691260146384896

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/targets/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/mpeg4videodec.c