avcodec/lagarith: Fix runtime error: left shift of negative value -1
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 9 May 2017 22:50:05 +0000 (00:50 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Tue, 9 May 2017 23:10:55 +0000 (01:10 +0200)
commitddb2dd7edbccc5596d8e3c039133be8444cb1d02
tree0392e97005f975a949dde2b68e1afb89d7986c0a
parentc5d2fa2fdff08e77bba0c9a31b91826a807c551c
avcodec/lagarith: Fix runtime error: left shift of negative value -1

Fixes: 1424/clusterfuzz-testcase-minimized-6088327159611392

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