avcodec/shorten: Fix a negative left shift in shorten_decode_frame()
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 5 Jun 2018 11:12:54 +0000 (13:12 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Thu, 7 Jun 2018 17:52:57 +0000 (19:52 +0200)
commita711efe922b2bf1d363bdf7f8357656c3e35021e
tree3c57870d1902e08353e38eea6a4d9b97bdef9b86
parentd91a0b503d7a886587281bc1ee42476aa5e89f85
avcodec/shorten: Fix a negative left shift in shorten_decode_frame()

Fixes: left shift of negative value -9057
Fixes: 8527/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5666853924896768

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