Messages in this thread Patch in this message | | | From | Rong Zhang <> | Subject | [PATCH] tcp: fix ipv6 tproxy doesn't work on kernel 4.4.x | Date | Mon, 21 Jun 2021 18:38:29 +0800 |
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Not only in tcp_v4_init_req() but also in tcp_v6_init_req() need to initialize no_srccheck, otherwise ipv6 tproxy doesn't work. So move it before init_req().
Signed-off-by: Rong Zhang <ulin0208@gmail.com> --- net/ipv4/tcp_input.c | 1 + net/ipv4/tcp_ipv4.c | 1 - 2 files changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 0919183b003f..e2bfcb30564d 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -6360,6 +6360,7 @@ int tcp_conn_request(struct request_sock_ops *rsk_ops, tmp_opt.tstamp_ok = tmp_opt.saw_tstamp; tcp_openreq_init(req, &tmp_opt, skb, sk); + inet_rsk(req)->no_srccheck = inet_sk(sk)->transparent; /* Note: tcp_v6_init_req() might override ir_iif for link locals */ inet_rsk(req)->ir_iif = sk->sk_bound_dev_if; diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 3826745a160e..91c7a76f3bb3 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -1206,7 +1206,6 @@ static void tcp_v4_init_req(struct request_sock *req, sk_rcv_saddr_set(req_to_sk(req), ip_hdr(skb)->daddr); sk_daddr_set(req_to_sk(req), ip_hdr(skb)->saddr); - ireq->no_srccheck = inet_sk(sk_listener)->transparent; RCU_INIT_POINTER(ireq->ireq_opt, tcp_v4_save_options(skb)); } -- 2.32.0
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