From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:53562 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751077AbdFEPHl (ORCPT ); Mon, 5 Jun 2017 11:07:41 -0400 Subject: Patch "xfs: fix unaligned access in xfs_btree_visit_blocks" has been added to the 3.18-stable tree To: sandeen@sandeen.net, darrick.wong@oracle.com, gregkh@linuxfoundation.org, sandeen@redhat.com Cc: , From: Date: Mon, 05 Jun 2017 17:07:26 +0200 Message-ID: <1496675246163173@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 xfs: fix unaligned access in xfs_btree_visit_blocks to the 3.18-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: xfs-fix-unaligned-access-in-xfs_btree_visit_blocks.patch and it can be found in the queue-3.18 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let know about it. >>From a4d768e702de224cc85e0c8eac9311763403b368 Mon Sep 17 00:00:00 2001 From: Eric Sandeen Date: Mon, 22 May 2017 19:54:10 -0700 Subject: xfs: fix unaligned access in xfs_btree_visit_blocks From: Eric Sandeen commit a4d768e702de224cc85e0c8eac9311763403b368 upstream. This structure copy was throwing unaligned access warnings on sparc64: Kernel unaligned access at TPC[1043c088] xfs_btree_visit_blocks+0x88/0xe0 [xfs] xfs_btree_copy_ptrs does a memcpy, which avoids it. Signed-off-by: Eric Sandeen Reviewed-by: Darrick J. Wong Signed-off-by: Darrick J. Wong Signed-off-by: Greg Kroah-Hartman --- fs/xfs/libxfs/xfs_btree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/xfs/libxfs/xfs_btree.c +++ b/fs/xfs/libxfs/xfs_btree.c @@ -4051,7 +4051,7 @@ xfs_btree_change_owner( xfs_btree_readahead_ptr(cur, ptr, 1); /* save for the next iteration of the loop */ - lptr = *ptr; + xfs_btree_copy_ptrs(cur, &lptr, ptr, 1); } /* for each buffer in the level */ Patches currently in stable-queue which might be from sandeen@sandeen.net are queue-3.18/xfs-fix-unaligned-access-in-xfs_btree_visit_blocks.patch