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authorJeremy Sowden <jeremy@azazel.net>2023-03-07 23:22:57 +0000
committerPablo Neira Ayuso <pablo@netfilter.org>2023-03-08 12:26:31 +0100
commitec2c5917eb858428b2083d1c74f445aabbe8316b (patch)
tree59777bead2482e209403f303197f4c466e6d43e1 /net
parentnetfilter: nft_nat: correct length for loading protocol registers (diff)
downloadwireguard-linux-ec2c5917eb858428b2083d1c74f445aabbe8316b.tar.xz
wireguard-linux-ec2c5917eb858428b2083d1c74f445aabbe8316b.zip
netfilter: nft_masq: correct length for loading protocol registers
The values in the protocol registers are two bytes wide. However, when parsing the register loads, the code currently uses the larger 16-byte size of a `union nf_inet_addr`. Change it to use the (correct) size of a `union nf_conntrack_man_proto` instead. Fixes: 8a6bf5da1aef ("netfilter: nft_masq: support port range") Signed-off-by: Jeremy Sowden <jeremy@azazel.net> Reviewed-by: Florian Westphal <fw@strlen.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'net')
-rw-r--r--net/netfilter/nft_masq.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/netfilter/nft_masq.c b/net/netfilter/nft_masq.c
index e55e455275c4..9544c2f16998 100644
--- a/net/netfilter/nft_masq.c
+++ b/net/netfilter/nft_masq.c
@@ -43,7 +43,7 @@ static int nft_masq_init(const struct nft_ctx *ctx,
const struct nft_expr *expr,
const struct nlattr * const tb[])
{
- u32 plen = sizeof_field(struct nf_nat_range, min_addr.all);
+ u32 plen = sizeof_field(struct nf_nat_range, min_proto.all);
struct nft_masq *priv = nft_expr_priv(expr);
int err;