avcodec/shorten: Fix multiple integer overflows
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 5 Jun 2018 11:19:35 +0000 (13:19 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 7 Jun 2018 17:52:57 +0000 (19:52 +0200)
commitf2abd36b3863188894fd21964c662b6c17268bfb
tree20583fa5f4fd3e2fc1fc7a1f53f5d0d0ac699c35
parent606c7148231404544005c0827b83c165dd6b39a8
avcodec/shorten: Fix multiple integer overflows

Fixes: signed integer overflow: 3 * 1006632960 cannot be represented in type 'int'
Fixes: 8278/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5692857166856192

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