Use single decoder instance for one stream
Use single decoder instance for one stream

This will avoid part of the stream be read and abandomed
and resulting decoding errors.

Signed-off-by: Hushan Jia <492bf357c32c4242c86a1126afe6edfea7d08ae9@gmail.com>

keloyang/runc,mYmNeo/runc,dqminh/runc,maxamillion/runc,stefanberger/runc,stefanberger/runc,cloudfoundry-incubator/runc,WeiZhang555/runc,albertoleal/runc,crosbymichael/runc,stefanberger/runc,nkwilson/runc,mheon/runc,abduld/runc,xiaochenshen/runc,opencontainers/runc,mYmNeo/runc,mheon/runc,laijs/runc,runcom/runc,justincormack/runc,xiaochenshen/runc,docker/runc,hqhq/runc,jhowardmsft/runc,avagin/runc,coolljt0725/runc,kolyshkin/runc,inatatsu/runc,sunyuan3/runc,mikebrow/runc,mikebrow/runc,dqminh/runc,WeiZhang555/runc,opencontainers/runc,cyphar/runc,keloyang/runc,estesp/runc,vbatts/runc,dqminh/runc,hqhq/runc,rhatdan/runc,shishir-a412ed/runc,wking/runc,avagin/runc,wking/runc,jhowardmsft/runc,ZJU-SEL/runc,kolyshkin/runc,docker/runc,sunyuan3/runc,adrianreber/runc,ZJU-SEL/runc,wangkirin/runc,maxamillion/runc,rajasec/runc,justincormack/runc,nkwilson/runc,opencontainers/runc,runcom/runc,hqhq/runc,estesp/runc,nkwilson/runc,rhatdan/runc,crosbymichael/runc,abduld/runc,wangkirin/runc,cyphar/runc,vbatts/runc,keloyang/runc,coolljt0725/runc,rhatdan/runc,wangkirin/runc,wking/runc,cloudfoundry-incubator/runc,sunyuan3/runc,crosbymichael/runc,albertoleal/runc,laijs/runc,ZJU-SEL/runc,vbatts/runc,cyphar/runc,cloudfoundry-incubator/runc,justincormack/runc,shishir-a412ed/runc,coolljt0725/runc,rajasec/runc,mYmNeo/runc,runcom/runc,avagin/runc,mikebrow/runc,opencontainers/runc,kolyshkin/runc,rajasec/runc,estesp/runc,shishir-a412ed/runc,adrianreber/runc,kolyshkin/runc,rhatdan/runc,laijs/runc,xiaochenshen/runc,dqminh/runc,mheon/runc,abduld/runc,inatatsu/runc,albertoleal/runc,inatatsu/runc,maxamillion/runc,jhowardmsft/runc,docker/runc,adrianreber/runc,WeiZhang555/runc