NFS: directory contains a readdir loop メッセージがガベージのファイル名を出力する

Issue

以下のメッセージがシステムログに表示されます。

Dec  8 08:23:11 kernel:NFS: directory conc/log contains a readdir loop.Please contact your server vendor.The file: l46284454.reqMASS_46209281_1.PDF has duplicate cookie 299794335
Dec  8 08:23:11 kernel:NFS: directory conc/log contains a readdir loop.Please contact your server vendor.The file: l46284454.reqMASS_46209281_1.PDF has duplicate cookie 299794335
Dec  8 08:32:59 kernel:NFS: directory conc/out contains a readdir loop.Please contact your server vendor.The file: o46038758.out0�%J�S��&S전���$To45986659.out_45913257_1.RTF��lo46209594.outMASS_46172258_1.PDFo46130507.outMASS_46285654_1.RTFo46146477.out6860_1.PDF321_1.RTFAECOMPROJTIMECARD_46244203_1.PDFo46015787.outMASS_46061065_1.PDFo45640211.zipMASS_46060059_1.RTFo46049737.outMASS_46181213_1.PDFo46150312.outMASS_46240847_1.PDFo46023146.out(��GDM5
                                                                ���`n�o46311203.outMASS_46020032_1.RTFo45887923.outMASS_45934430_1.RTFo46185489.outMASS_45989967_1.PDFo46273795.outMASS_46289027_1.PDFo46247090.outMASS_46054453_1.RTFo45903040.outMASS_45974483_1.PDFo46309576.outMASS_46151639_1.RTFo46185347.outOSE_45973797_1.PDFFo46162801.out252213_1.EXCEL1.PDFo45893232.outCARD_45941184_1.PDFo46130295.outMASS_46028650_1.RTFo46195960.outMASS_46212783_1.RTFo46203248.out��N�����k�b$��o46303843.out_46123040_1.EXCELTFo45724231.zipMASS_45974629_1.RTFo46109360.out45959271_1.EXCELRTFo46251269.outMASS_46135322_1.PDFo46219

ここで出力されたファイル名は明らかに間違っています。