From 62f9c8b40d2db915f89a6aa47395412fb29f1cfc Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Fri, 7 Feb 2014 14:45:01 +0100 Subject: [PATCH] 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 --- net/netfilter/nf_tables_api.c | 3 +++ 1 file changed, 3 insertions(+) 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: