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

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

Fixes: 0ca743a559 ("netfilter: nf_tables: add compatibility layer for x_tables")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2024-02-01 22:58:36 +01:00
parent eef00a82c5
commit 36fa8d6971
1 changed files with 3 additions and 3 deletions
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6
net/netfilter/nft_compat.c
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@ -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 @@ out_put:
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 },
};