[Elftoolchain-developers] Memory leak in elftc_demangle

[Reid K. <rn...@go...>]

The patch attached fixes it.

Reid

Index: libelftc/elftc_demangle.c
===================================================================
--- libelftc/elftc_demangle.c	(revision 2013)
+++ libelftc/elftc_demangle.c	(working copy)
@@ -31,6 +31,7 @@
 #include <errno.h>
 #include <libelf.h>
 #include <libelftc.h>
+#include <stdlib.h>
 #include <string.h>

 #include "_libelftc.h"
@@ -96,12 +97,14 @@
 	}

 	if (buffer == NULL || bufsize < strlen(rlt) + 1) {
+		free(rlt);
 		errno = ENAMETOOLONG;
 		return (-1);
 	}

 	strncpy(buffer, rlt, bufsize);
 	buffer[bufsize - 1] = '\0';
+	free(rlt);

 	return (0);
 }