avcodec/alsdec: fix mantisse shift
authorMichael Niedermayer <michael@niedermayer.cc>
Fri, 26 Jul 2019 15:07:01 +0000 (17:07 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 11 Aug 2019 17:13:21 +0000 (19:13 +0200)
commit02346292a334a51f6da802146b782bdb01ae9b4e
tree3451323ae6acbdeb71430b867eaaa3987a5d9687
parent70432eac0b511105a5d6654cb794bc5f3e983ee0
avcodec/alsdec: fix mantisse shift

Fixes: shift exponent -1 is negative
Fixes: 16039/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5656825657032704

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