avcodec/wavpack: Fix runtime error: left shift of negative value -1
authorMichael Niedermayer <michael@niedermayer.cc>
Wed, 24 May 2017 17:53:57 +0000 (19:53 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Wed, 24 May 2017 18:03:06 +0000 (20:03 +0200)
commitbce362d36ccfe8f778662bcfd956187c958a39b5
tree057ad36f6460e49dbbd13887017d7c01eef9e01a
parent89325417e7b33f4b08171d9d609c48662d96b2d3
avcodec/wavpack: Fix runtime error: left shift of negative value -1

Fixes: 1807/clusterfuzz-testcase-minimized-6258676199325696

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.c