tcp: use correct req pointer in tcp_move_syn() calls
I mistakenly took wrong request sock pointer when calling tcp_move_syn()
@req_unhash is either a copy of @req, or a NULL value for
FastOpen connexions (as we do not expect to unhash the temporary
request sock from ehash table)
Fixes: 805c4bc05705 ("tcp: fix req->saved_syn race")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Ying Cai <ycai@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index 59aff63..950e28c 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -1327,7 +1327,7 @@
goto put_and_exit;
*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash));
if (*own_req)
- tcp_move_syn(newtp, req_unhash);
+ tcp_move_syn(newtp, req);
return newsk;