avcodec/alsdec: Fix invalid shift in multiply()
authorMichael Niedermayer <michael@niedermayer.cc>
Thu, 20 Jun 2019 17:09:11 +0000 (19:09 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 27 Jun 2019 15:50:47 +0000 (17:50 +0200)
commit9ede5cab3afae1473a63f148b15af9d88809e646
tree948cfff5d84d9fbb88882445d6c95cd3a5c42ca7
parentc434a043ac081e0f5d8c166f8416346002d462fa
avcodec/alsdec: Fix invalid shift in multiply()

Fixes: shift exponent -24 is negative
Fixes: 15292/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ALS_fuzzer-5768533318828032

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit f30be1ec9856551d96f3876eec5f8b8abf456b81)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/alsdec.c