avcodec/shorten: Fix undefined shift in fix_bitshift()
authorMichael Niedermayer <michael@niedermayer.cc>
Tue, 5 Jun 2018 11:15:34 +0000 (13:15 +0200)
committerMichael Niedermayer <michael@niedermayer.cc>
Sun, 17 Jun 2018 23:16:04 +0000 (01:16 +0200)
commit62e1c5db4acc208c09bba83ba6a964a20be04bd2
tree7f8097fe80ad0f74e0b6b26d63e4409cafc90f24
parent8b6c773fe80deaf3a00a55e85317d42ca6ccf15f
avcodec/shorten: Fix undefined shift in fix_bitshift()

Fixes: left shift of negative value -9
Fixes: 8571/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SHORTEN_fuzzer-5715966875926528

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 606c7148231404544005c0827b83c165dd6b39a8)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
libavcodec/shorten.c