tcp: fix secure_{tcp, tcpv6}_ts_off call parameter order mistake

Message ID 20231007092337.1540036-1-dongtai.guo@linux.dev
State New
Headers
Series tcp: fix secure_{tcp, tcpv6}_ts_off call parameter order mistake |

Commit Message

George Guo Oct. 7, 2023, 9:23 a.m. UTC
  From: George Guo <guodongtai@kylinos.cn>

Fix secure_tcp_ts_off and secure_tcpv6_ts_off call parameter order mistake

Signed-off-by: George Guo <guodongtai@kylinos.cn>
---
 net/ipv4/syncookies.c | 4 ++--
 net/ipv4/tcp_ipv4.c   | 2 +-
 net/ipv6/syncookies.c | 4 ++--
 net/ipv6/tcp_ipv6.c   | 4 ++--
 4 files changed, 7 insertions(+), 7 deletions(-)
  

Comments

Florian Westphal Oct. 7, 2023, 10:50 a.m. UTC | #1
George Guo <dongtai.guo@linux.dev> wrote:
> From: George Guo <guodongtai@kylinos.cn>
> 
> Fix secure_tcp_ts_off and secure_tcpv6_ts_off call parameter order mistake

Could you please send a v2, targetting net-next, that clearly
says that this is a cleanup?

[ It doesn't matter if we pass "saddr, daddr" or
  "daddr, saddr" as long as both "init" and "check"
  functions agree on the ordering ]
  

Patch

diff --git a/net/ipv4/syncookies.c b/net/ipv4/syncookies.c
index dc478a0574cb..537f368a0b66 100644
--- a/net/ipv4/syncookies.c
+++ b/net/ipv4/syncookies.c
@@ -360,8 +360,8 @@  struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb)
 
 	if (tcp_opt.saw_tstamp && tcp_opt.rcv_tsecr) {
 		tsoff = secure_tcp_ts_off(sock_net(sk),
-					  ip_hdr(skb)->daddr,
-					  ip_hdr(skb)->saddr);
+					  ip_hdr(skb)->saddr,
+					  ip_hdr(skb)->daddr);
 		tcp_opt.rcv_tsecr -= tsoff;
 	}
 
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 27140e5cdc06..3d6c9b286b5a 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -104,7 +104,7 @@  static u32 tcp_v4_init_seq(const struct sk_buff *skb)
 
 static u32 tcp_v4_init_ts_off(const struct net *net, const struct sk_buff *skb)
 {
-	return secure_tcp_ts_off(net, ip_hdr(skb)->daddr, ip_hdr(skb)->saddr);
+	return secure_tcp_ts_off(net, ip_hdr(skb)->saddr, ip_hdr(skb)->daddr);
 }
 
 int tcp_twsk_unique(struct sock *sk, struct sock *sktw, void *twp)
diff --git a/net/ipv6/syncookies.c b/net/ipv6/syncookies.c
index 5014aa663452..9af484a4d518 100644
--- a/net/ipv6/syncookies.c
+++ b/net/ipv6/syncookies.c
@@ -162,8 +162,8 @@  struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb)
 
 	if (tcp_opt.saw_tstamp && tcp_opt.rcv_tsecr) {
 		tsoff = secure_tcpv6_ts_off(sock_net(sk),
-					    ipv6_hdr(skb)->daddr.s6_addr32,
-					    ipv6_hdr(skb)->saddr.s6_addr32);
+					    ipv6_hdr(skb)->saddr.s6_addr32,
+					    ipv6_hdr(skb)->daddr.s6_addr32);
 		tcp_opt.rcv_tsecr -= tsoff;
 	}
 
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index 3a88545a265d..ce9cc4c43cf2 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -119,8 +119,8 @@  static u32 tcp_v6_init_seq(const struct sk_buff *skb)
 
 static u32 tcp_v6_init_ts_off(const struct net *net, const struct sk_buff *skb)
 {
-	return secure_tcpv6_ts_off(net, ipv6_hdr(skb)->daddr.s6_addr32,
-				   ipv6_hdr(skb)->saddr.s6_addr32);
+	return secure_tcpv6_ts_off(net, ipv6_hdr(skb)->saddr.s6_addr32,
+				   ipv6_hdr(skb)->daddr.s6_addr32);
 }
 
 static int tcp_v6_pre_connect(struct sock *sk, struct sockaddr *uaddr,