avcodec/wavpack: Fix integer overflow in wv_unpack_stereo()
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 27 Apr 2018 19:44:06 +0000 (21:44 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 29 Apr 2018 16:02:22 +0000 (18:02 +0200)
commitda038c07f02dfc10380001c11b3d047eca7cb8c9
tree14890b0a74860460b9cac03b62e0696754565ef0
parentad164237047de2ff3989b69c92a3fee1560b3393
avcodec/wavpack: Fix integer overflow in wv_unpack_stereo()

Fixes: runtime error: signed integer overflow: 2147483531 + 16384 cannot be represented in type 'int'
Fixes: 6615/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_WAVPACK_fuzzer-5165715515506688

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