[PATCH 1/3] net: set tb->fast_sk_family

From	Josef Bacik <josef@toxicpanda.com>
Newsgroups	linux.kernel
Subject	[PATCH 1/3] net: set tb->fast_sk_family
Date	2017-09-23 02:30 +0200
Message-ID	<usGut-4u3-7@gated-at.bofh.it> (permalink)
References	<usGut-4u3-9@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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From: Josef Bacik <jbacik@fb.com>

We need to set the tb->fast_sk_family properly so we can use the proper
comparison function for all subsequent reuseport bind requests.

Fixes: 637bc8bbe6c0 ("inet: reset tb->fastreuseport when adding a reuseport sk")
Reported-and-tested-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
---
 net/ipv4/inet_connection_sock.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index b9c64b40a83a..f87f4805e244 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -328,6 +328,7 @@ int inet_csk_get_port(struct sock *sk, unsigned short snum)
 			tb->fastuid = uid;
 			tb->fast_rcv_saddr = sk->sk_rcv_saddr;
 			tb->fast_ipv6_only = ipv6_only_sock(sk);
+			tb->fast_sk_family = sk->sk_family;
 #if IS_ENABLED(CONFIG_IPV6)
 			tb->fast_v6_rcv_saddr = sk->sk_v6_rcv_saddr;
 #endif
@@ -354,6 +355,7 @@ int inet_csk_get_port(struct sock *sk, unsigned short snum)
 				tb->fastuid = uid;
 				tb->fast_rcv_saddr = sk->sk_rcv_saddr;
 				tb->fast_ipv6_only = ipv6_only_sock(sk);
+				tb->fast_sk_family = sk->sk_family;
 #if IS_ENABLED(CONFIG_IPV6)
 				tb->fast_v6_rcv_saddr = sk->sk_v6_rcv_saddr;
 #endif
-- 
2.7.4

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[PATCH 1/3] net: set tb->fast_sk_family Josef Bacik <josef@toxicpanda.com> - 2017-09-23 02:30 +0200

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