libnftnl/SOURCES/0011-expr-dynset-release-stateful-expression-from-.free-p.patch
2022-05-10 10:45:33 +00:00

48 lines
1.8 KiB
Diff

From 719810aeae4bf7a5c99bb6090070e769954d2e01 Mon Sep 17 00:00:00 2001
From: Phil Sutter <psutter@redhat.com>
Date: Thu, 13 Jan 2022 20:10:27 +0100
Subject: [PATCH] expr: dynset: release stateful expression from .free path
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=2040478
Upstream Status: libnftnl commit 0bd7d62c450c6
commit 0bd7d62c450c6736af4141d37073c5b40f1f894d
Author: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Wed May 6 20:45:35 2020 +0200
expr: dynset: release stateful expression from .free path
==22778==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 64 byte(s) in 1 object(s) allocated from:
#0 0x7f3212406518 in calloc (/usr/lib/x86_64-linux-gnu/libasan.so.5+0xe9518)
#1 0x7f321041703e in nftnl_expr_alloc /home/pablo/devel/scm/git-netfilter/libnftnl/src/expr.c:37
#2 0x7f3211d51c16 in netlink_gen_limit_stmt /home/pablo/devel/scm/git-netfilter/nftables/src/netlink_linearize.c:859
#3 0x7f3211d5220c in netlink_gen_stmt_stateful /home/pablo/devel/scm/git-netfilter/nftables/src/netlink_linearize.c:891
#4 0x7f3211d58630 in netlink_gen_meter_stmt /home/pablo/devel/scm/git-netfilter/nftables/src/netlink_linearize.c:1441
[...]
SUMMARY: AddressSanitizer: 64 byte(s) leaked in 1 allocation(s).
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
src/expr/dynset.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/src/expr/dynset.c b/src/expr/dynset.c
index 4870923..466dfff 100644
--- a/src/expr/dynset.c
+++ b/src/expr/dynset.c
@@ -278,6 +278,8 @@ static void nftnl_expr_dynset_free(const struct nftnl_expr *e)
struct nftnl_expr_dynset *dynset = nftnl_expr_data(e);
xfree(dynset->set_name);
+ if (dynset->expr)
+ nftnl_expr_free(dynset->expr);
}
struct expr_ops expr_ops_dynset = {
--
2.31.1