avcodec/snowdec: Fix runtime error: left shift of negative value -1
authorMichael Niedermayer <michael@niedermayer.cc>
Sun, 11 Jun 2017 12:34:54 +0000 (14:34 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 11 Jun 2017 13:22:07 +0000 (15:22 +0200)
commit2e44126363bc9e23093ceced5d7bde1ee4bbb338
treeb0ec4559b66344a8e9b3046e897ad56e97a3cb7c
parent6d499ecef9c2467772b6066176ffda0b7ab27cc2
avcodec/snowdec: Fix runtime error: left shift of negative value -1

Fixes: 2197/clusterfuzz-testcase-minimized-6010716676947968

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