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From: Pablo Neira Ayuso <pablo@netfilter.org>
To: netfilter-devel@vger.kernel.org
Subject: [PATCH nft 1/3] parser_bison: memleak symbol redefinition
Date: Tue, 28 Jul 2020 20:15:44 +0200	[thread overview]
Message-ID: <20200728181546.12663-1-pablo@netfilter.org> (raw)

Missing expr_free() from the error path.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 src/parser_bison.y | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/parser_bison.y b/src/parser_bison.y
index f0cca64136ee..167c315810ed 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;
 				}
-- 
2.20.1


             reply	other threads:[~2020-07-28 18:15 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-28 18:15 Pablo Neira Ayuso [this message]
2020-07-28 18:15 ` [PATCH nft 2/3] evaluate: memleak in invalid default policy definition Pablo Neira Ayuso
2020-07-28 18:15 ` [PATCH nft 3/3] evaluate: UAF in hook priority expression Pablo Neira Ayuso
2020-07-28 18:17 [PATCH nft 1/3] parser_bison: memleak symbol redefinition Pablo Neira Ayuso

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