Commit 36fa8d69 authored by Pablo Neira Ayuso's avatar Pablo Neira Ayuso
Browse files

netfilter: nft_compat: narrow down revision to unsigned 8-bits 



xt_find_revision() expects u8, restrict it to this datatype.

Fixes: 0ca743a5 ("netfilter: nf_tables: add compatibility layer for x_tables")
Signed-off-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
parent eef00a82

net/netfilter/nft_compat.c

+3 −3
Original line number Diff line number Diff line
@@ -135,7 +135,7 @@ static void nft_target_eval_bridge(const struct nft_expr *expr, 


static const struct nla_policy nft_target_policy[NFTA_TARGET_MAX + 1] = {

	[NFTA_TARGET_NAME]	= { .type = NLA_NUL_STRING },

	[NFTA_TARGET_REV]	= { .type = NLA_U32 },

	[NFTA_TARGET_REV]	= NLA_POLICY_MAX(NLA_BE32, 255),

	[NFTA_TARGET_INFO]	= { .type = NLA_BINARY },

};
@@ -419,7 +419,7 @@ static void nft_match_eval(const struct nft_expr *expr, 


static const struct nla_policy nft_match_policy[NFTA_MATCH_MAX + 1] = {

	[NFTA_MATCH_NAME]	= { .type = NLA_NUL_STRING },

	[NFTA_MATCH_REV]	= { .type = NLA_U32 },

	[NFTA_MATCH_REV]	= NLA_POLICY_MAX(NLA_BE32, 255),

	[NFTA_MATCH_INFO]	= { .type = NLA_BINARY },

};
@@ -724,7 +724,7 @@ static int nfnl_compat_get_rcu(struct sk_buff *skb, 
static const struct nla_policy nfnl_compat_policy_get[NFTA_COMPAT_MAX+1] = {

	[NFTA_COMPAT_NAME]	= { .type = NLA_NUL_STRING,

				    .len = NFT_COMPAT_NAME_MAX-1 },

	[NFTA_COMPAT_REV]	= { .type = NLA_U32 },

	[NFTA_COMPAT_REV]	= NLA_POLICY_MAX(NLA_BE32, 255),

	[NFTA_COMPAT_TYPE]	= { .type = NLA_U32 },

};