poc: add 3rd file on writer before read

nested/rce-48719378-2.git/objects/08/f5c0f992dd5588cacb12d3dfda92a48a8ded20

@@ -0,0 +1,2 @@
+x
+)JMU0·`040031QrutńuŐËMaPą?]ŔţÖ¦]gL'Ęě¨~–ţ'ň\)TQ~Qz|JinnĄ^IE	Cč=�C
+ď.ÎŽ?zcŠEVĆĘi
?
29"ş

nested/rce-48719378-2.git/objects/44/739cad6570591f4731c284c21146ccb28493a2

@@ -0,0 +1 @@
+x
�ŽAnÂ0E»ö)f�¨;�«ª‚%»^a<c‡¨
#ãöüDH\ õþâ}}©—ËÒÁ¡{ë-g°TPl‰Ñ©"	Kœz-ÊÑñHLšÕYsã–¯1o�4)NØ©øTÑ�!¥ƒ¥IÆdø·Ÿkî�å'7ø|Ña®ó}?Ÿï¼_9½/×?^ý‚!P°ýäag·y^í›ûRÿ1bnU> ¶šd8~Ÿ ,k6/mQº