diff options
| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-09-03 01:06:58 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2024-09-03 18:18:26 +0200 |
| commit | c0f38a8c60174368aed1d0f9965d733195f15033 (patch) | |
| tree | 0f9c984dc9910e6aa37677d7f69ac64fd9f8a772 /net/netfilter | |
| parent | d2dc429ecb4e79ad164028d965c00f689e6f6d06 (diff) | |
netfilter: nf_tables: reject expiration higher than timeout
Report ERANGE to userspace if user specifies an expiration larger than
the timeout.
Fixes: 8e1102d5a159 ("netfilter: nf_tables: support timeouts larger than 23 days")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nf_tables_api.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index da75bc1de466..6c0c6f8a08a8 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -6930,6 +6930,9 @@ static int nft_add_set_elem(struct nft_ctx *ctx, struct nft_set *set, &expiration); if (err) return err; + + if (expiration > timeout) + return -ERANGE; } if (nla[NFTA_SET_ELEM_EXPR]) { |