From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Tue, 28 Jul 2020 17:36:57 +0000 (+0200)
Subject: parser_bison: memleak symbol redefinition
X-Git-Tag: v0.9.7~50
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a2fb19736bf6879146dba5cd40a3265cb1c9671b;p=thirdparty%2Fnftables.git

parser_bison: memleak symbol redefinition

Missing expr_free() from the error path.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/src/parser_bison.y b/src/parser_bison.y
index f0cca641..167c3158 100644
--- a/src/parser_bison.y
+++ b/src/parser_bison.y
@@ -862,6 +862,7 @@ common_block		:	INCLUDE		QUOTED_STRING	stmt_separator
 				if (symbol_lookup(scope, $2) != NULL) {
 					erec_queue(error(&@2, "redefinition of symbol '%s'", $2),
 						   state->msgs);
+					expr_free($4);
 					xfree($2);
 					YYERROR;
 				}