From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:50565 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751989AbcH3IxE (ORCPT ); Tue, 30 Aug 2016 04:53:04 -0400 Subject: Patch "SUNRPC: Handle EADDRNOTAVAIL on connection failures" has been added to the 4.4-stable tree To: trond.myklebust@primarydata.com, gregkh@linuxfoundation.org Cc: , From: Date: Tue, 30 Aug 2016 10:52:52 +0200 Message-ID: <147254717223062@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org List-ID: This is a note to let you know that I've just added the patch titled SUNRPC: Handle EADDRNOTAVAIL on connection failures to the 4.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: sunrpc-handle-eaddrnotavail-on-connection-failures.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 1f4c17a03ba7f430d63dba8c8e08ff1e2712581d Mon Sep 17 00:00:00 2001 From: Trond Myklebust Date: Mon, 1 Aug 2016 13:36:08 -0400 Subject: SUNRPC: Handle EADDRNOTAVAIL on connection failures From: Trond Myklebust commit 1f4c17a03ba7f430d63dba8c8e08ff1e2712581d upstream. If the connect attempt immediately fails with an EADDRNOTAVAIL error, then that means our choice of source port number was bad. This error is expected when we set the SO_REUSEPORT socket option and we have 2 sockets sharing the same source and destination address and port combinations. Signed-off-by: Trond Myklebust Fixes: 402e23b4ed9ed ("SUNRPC: Fix stupid typo in xs_sock_set_reuseport") Signed-off-by: Greg Kroah-Hartman --- net/sunrpc/xprtsock.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/net/sunrpc/xprtsock.c +++ b/net/sunrpc/xprtsock.c @@ -2286,6 +2286,10 @@ static int xs_tcp_finish_connecting(stru /* SYN_SENT! */ if (xprt->reestablish_timeout < XS_TCP_INIT_REEST_TO) xprt->reestablish_timeout = XS_TCP_INIT_REEST_TO; + break; + case -EADDRNOTAVAIL: + /* Source port number is unavailable. Try a new one! */ + transport->srcport = 0; } out: return ret; Patches currently in stable-queue which might be from trond.myklebust@primarydata.com are queue-4.4/sunrpc-handle-eaddrnotavail-on-connection-failures.patch queue-4.4/sunrpc-allow-for-upcalls-for-same-uid-but-different-gss-service.patch