diff -up ksh-20100621/src/cmd/ksh93/sh/subshell.c.mleakfix2 ksh-20100621/src/cmd/ksh93/sh/subshell.c
--- ksh-20100621/src/cmd/ksh93/sh/subshell.c.mleakfix2	2013-07-16 16:07:00.171814602 +0200
+++ ksh-20100621/src/cmd/ksh93/sh/subshell.c	2013-07-16 16:08:53.463721640 +0200
@@ -198,7 +198,13 @@ void sh_subfork(void)
 		shp->comsub = 0;
 		SH_SUBSHELLNOD->nvalue.s = 0;
 		sp->subpid=0;
-		shp->st.trapcom[0] = (comsub==2?NULL:trap);
+		if (comsub==2)
+		{
+			
+			shp->st.trapcom[0] = NULL;
+			free((void*)trap);
+		}
+		else shp->st.trapcom[0] = trap;
 		shp->savesig = 0;
 	}
 }