avcodec/wavpack: Change wp_log2() to unsigned
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 9 Jun 2017 11:49:30 +0000 (13:49 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Fri, 16 Jun 2017 18:32:39 +0000 (20:32 +0200)
commit16d6cc2168b66c75a5dfe772d778360c2c8f3f5a
treee77969b215e9ff096933d4b3b9ecc120d5dbb508
parente77ddd31a8e14bcf5eccd6008d866ae90b4b0d4c
avcodec/wavpack: Change wp_log2() to unsigned

Fixes: runtime error: signed integer overflow: 2143315325 + 4186162 cannot be represented in type 'int'
Fixes: 2134/clusterfuzz-testcase-minimized-4619258405322752

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