netfilter: nf_tables: set names cannot be larger than 15 bytes
Currently, nf_tables trims off the set name if it exceeeds 15 bytes, so explicitly reject set names that are too large. Reported-by: Giuseppe Longo <giuseppelng@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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@ -1946,7 +1946,8 @@ static const struct nft_set_ops *nft_select_set_ops(const struct nlattr * const
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static const struct nla_policy nft_set_policy[NFTA_SET_MAX + 1] = {
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static const struct nla_policy nft_set_policy[NFTA_SET_MAX + 1] = {
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[NFTA_SET_TABLE] = { .type = NLA_STRING },
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[NFTA_SET_TABLE] = { .type = NLA_STRING },
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[NFTA_SET_NAME] = { .type = NLA_STRING },
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[NFTA_SET_NAME] = { .type = NLA_STRING,
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.len = IFNAMSIZ - 1 },
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[NFTA_SET_FLAGS] = { .type = NLA_U32 },
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[NFTA_SET_FLAGS] = { .type = NLA_U32 },
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[NFTA_SET_KEY_TYPE] = { .type = NLA_U32 },
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[NFTA_SET_KEY_TYPE] = { .type = NLA_U32 },
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[NFTA_SET_KEY_LEN] = { .type = NLA_U32 },
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[NFTA_SET_KEY_LEN] = { .type = NLA_U32 },
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