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netfilter: nf_tables: fix loop checking with end interval elements
author
Pablo Neira Ayuso
<pablo@netfilter.org>
Fri, 7 Feb 2014 13:45:01 +0000
(14:45 +0100)
committer
Pablo Neira Ayuso
<pablo@netfilter.org>
Fri, 7 Feb 2014 16:21:45 +0000
(17:21 +0100)
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>
net/netfilter/nf_tables_api.c
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diff --git
a/net/netfilter/nf_tables_api.c
b/net/netfilter/nf_tables_api.c
index
d0c790e
..
adce01e
100644
(file)
--- 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: