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ksmbd: off ipv6only for both ipv4/ipv6 binding

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commit cc00bc83f26eb8f2d8d9f56b949b62fd774d8432 upstream.

ΕΛΕΝΗ reported that ksmbd binds to the IPV6 wildcard (::) by default for
ipv4 and ipv6 binding. So IPV4 connections are successful only when
the Linux system parameter bindv6only is set to 0 [default value].
If this parameter is set to 1, then the ipv6 wildcard only represents
any IPV6 address. Samba creates different sockets for ipv4 and ipv6
by default. This patch off sk_ipv6only to support IPV4/IPV6 connections
without creating two sockets.

Cc: stable@vger.kernel.org
Reported-by: ΕΛΕΝΗ ΤΖΑΒΕΛΛΑ <helentzavellas@yahoo.gr>
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Namjae Jeon
2024-05-01 21:41:50 +09:00
committed by Greg Kroah-Hartman
parent 4e73c01b61
commit a86743458b
1 changed files with 4 additions and 0 deletions
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4
fs/smb/server/transport_tcp.c
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@@ -446,6 +446,10 @@ static int create_socket(struct interface *iface)
sin6.sin6_family = PF_INET6;
sin6.sin6_addr = in6addr_any;
sin6.sin6_port = htons(server_conf.tcp_port);
lock_sock(ksmbd_socket->sk);
ksmbd_socket->sk->sk_ipv6only = false;
release_sock(ksmbd_socket->sk);
}
ksmbd_tcp_nodelay(ksmbd_socket);