fix gofail race (#9412)
fix gofail race (#9412)


qiuyesuifeng/tidb,cosmtrek/tidb,c4pt0r/tidb,coocood/tidb,qiuyesuifeng/tidb,c4pt0r/tidb,pingcap/tidb,kyle-wang/tidb,ngaut/tidb,pingcap/tidb,pingcap/tidb,ngaut/tidb,ming-relax/tidb,cosmtrek/tidb,c4pt0r/tidb,kyle-wang/tidb,XuHuaiyu/tidb,kyle-wang/tidb,Cofyc/tidb,c4pt0r/tidb,XuHuaiyu/tidb,kyle-wang/tidb,ming-relax/tidb,pingcap/tidb,kyle-wang/tidb,EvilMcJerkface/tidb,ngaut/tidb,pingcap/tidb,EvilMcJerkface/tidb,c4pt0r/tidb,ngaut/tidb,Cofyc/tidb,c4pt0r/tidb,kyle-wang/tidb,ngaut/tidb,ngaut/tidb,coocood/tidb,pingcap/tidb