netfilter: nft_socket: Break evaluation if no socket found
Actual implementation stores 0 in the destination register if no socket
is found by the lookup, but that is not intentional as it is not really
a value of any socket metadata.
This patch fixes this and breaks rule evaluation in this case.
Fixes: 554ced0a6e29 ("netfilter: nf_tables: add support for native socket matching")
Signed-off-by: Máté Eckl <ecklm94@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
diff --git a/net/netfilter/nft_socket.c b/net/netfilter/nft_socket.c
index e43c193..622ac20 100644
--- a/net/netfilter/nft_socket.c
+++ b/net/netfilter/nft_socket.c
@@ -43,7 +43,7 @@ static void nft_socket_eval(const struct nft_expr *expr,
}
if (!sk) {
- nft_reg_store8(dest, 0);
+ regs->verdict.code = NFT_BREAK;
return;
}