From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:35291 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755262AbbLKUYA (ORCPT ); Fri, 11 Dec 2015 15:24:00 -0500 Subject: Patch "ceph: fix message length computation" has been added to the 4.1-stable tree To: arnd@arndb.de, gregkh@linuxfoundation.org, zyan@redhat.com Cc: , From: Date: Fri, 11 Dec 2015 09:19:42 -0800 Message-ID: <1449854382237185@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 ceph: fix message length computation to the 4.1-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: ceph-fix-message-length-computation.patch and it can be found in the queue-4.1 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From 777d738a5e58ba3b6f3932ab1543ce93703f4873 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 30 Sep 2015 15:04:42 +0200 Subject: ceph: fix message length computation From: Arnd Bergmann commit 777d738a5e58ba3b6f3932ab1543ce93703f4873 upstream. create_request_message() computes the maximum length of a message, but uses the wrong type for the time stamp: sizeof(struct timespec) may be 8 or 16 depending on the architecture, while sizeof(struct ceph_timespec) is always 8, and that is what gets put into the message. Found while auditing the uses of timespec for y2038 problems. Fixes: b8e69066d8af ("ceph: include time stamp in every MDS request") Signed-off-by: Arnd Bergmann Signed-off-by: Yan, Zheng Signed-off-by: Greg Kroah-Hartman --- fs/ceph/mds_client.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -1905,7 +1905,7 @@ static struct ceph_msg *create_request_m len = sizeof(*head) + pathlen1 + pathlen2 + 2*(1 + sizeof(u32) + sizeof(u64)) + - sizeof(struct timespec); + sizeof(struct ceph_timespec); /* calculate (max) length for cap releases */ len += sizeof(struct ceph_mds_request_release) * Patches currently in stable-queue which might be from arnd@arndb.de are queue-4.1/ceph-fix-message-length-computation.patch