From 67b94fc58e61a78225930d54eadaba77f46a73b7 Mon Sep 17 00:00:00 2001
From: Ed Maste <emaste@FreeBSD.org>
Date: Thu, 3 Dec 2020 14:41:11 +0000
Subject: [PATCH] addr2line: fix allocation leak in error path

CID:		1437677
Reported by:	Coverity Scan
Sponsored by:	The FreeBSD Foundation
---
 contrib/elftoolchain/addr2line/addr2line.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/contrib/elftoolchain/addr2line/addr2line.c b/contrib/elftoolchain/addr2line/addr2line.c
index 3c5f4989bdd..0d575c14cbc 100644
--- a/contrib/elftoolchain/addr2line/addr2line.c
+++ b/contrib/elftoolchain/addr2line/addr2line.c
@@ -491,6 +491,7 @@ check_labels(Dwarf_Debug dbg, Dwarf_Die die, Dwarf_Unsigned addr,
 		if (dwarf_tag(prev_die, &tag, &de) != DW_DLV_OK) {
 			warnx("dwarf_tag failed: %s",
 				dwarf_errmsg(de));
+			free(labels);
 			return DW_DLV_ERROR;
 		}
 		if (tag == DW_TAG_label) {