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netfilter: conntrack: clamp l4proto array size at largers supported protocol

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All higher l4proto numbers are handled by the generic tracker; the
l4proto lookup function already returns generic one in case the l4proto
number exceeds max size.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal
2018-09-12 15:19:14 +02:00
committed by Pablo Neira Ayuso
parent dd2934a957
commit 93185c80a5
2 changed files with 2 additions and 2 deletions
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2
include/net/netfilter/nf_conntrack_l4proto.h
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@@ -102,7 +102,7 @@ int nf_conntrack_icmpv6_error(struct nf_conn *tmpl,
/* Existing built-in generic protocol */
extern const struct nf_conntrack_l4proto nf_conntrack_l4proto_generic;
#define MAX_NF_CT_PROTO 256
#define MAX_NF_CT_PROTO IPPROTO_UDPLITE
const struct nf_conntrack_l4proto *__nf_ct_l4proto_find(u8 l4proto);