fixed hang bug (infinite loop) in decoder, buffered mode, malicious input
fixed hang bug (infinite loop) in decoder, buffered mode, malicious input

Majlen/zstd,Cyan4973/zstd,Cyan4973/zstd,ds77/zstd,Majlen/zstd,inikep/zstd,ds77/zstd,ds77/zstd,Majlen/zstd,Cyan4973/zstd,Cyan4973/zstd,inikep/zstd,Cyan4973/zstd,Majlen/zstd,ds77/zstd,inikep/zstd,inikep/zstd