From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Fri, 7 Feb 2014 13:45:01 +0000 (+0100)
Subject: netfilter: nf_tables: fix loop checking with end interval elements
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=62f9c8b40d2db915f89a6aa47395412fb29f1cfc;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

netfilter: nf_tables: fix loop checking with end interval elements

Fix access to uninitialized data for end interval elements. The
element data part is uninitialized in interval end elements.

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

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index d0c790e3e495..adce01e8bb57 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -2998,6 +2998,9 @@ static int nf_tables_loop_check_setelem(const struct nft_ctx *ctx,
 					const struct nft_set_iter *iter,
 					const struct nft_set_elem *elem)
 {
+	if (elem->flags & NFT_SET_ELEM_INTERVAL_END)
+		return 0;
+
 	switch (elem->data.verdict) {
 	case NFT_JUMP:
 	case NFT_GOTO: