From patchwork Sun Oct 4 18:04:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11815731 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 46FCF15E6 for ; Sun, 4 Oct 2020 18:04:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2DD05206DD for ; Sun, 4 Oct 2020 18:04:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="b/hQUZP8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726519AbgJDSEk (ORCPT ); Sun, 4 Oct 2020 14:04:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726125AbgJDSEj (ORCPT ); Sun, 4 Oct 2020 14:04:39 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DF29C0613CE; Sun, 4 Oct 2020 11:04:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=lcDrPyve8ZGqJ4GdFbmYERQ0EctUPUpm2VwVCWrS8pU=; b=b/hQUZP816I2ZPcyTtYJrK0hPU eTT6yKyUGxFh7cmzFamPce4SyXe30LGUt/w2KAnHF4rWLPsDPz8qLwoSZihNO4XGJ225/rAL9xCPp eJT3Hw5qpYqLVINHcgEZEPjKCvuMYoTcdJp3VKRm2OVr4YjlY4vrGvPOuWRnw9PHt32Bp//fi7Dzb PvCfP5kaSZXNQAoYhUAtkkrE3t1AzsweMP5UROoIeF71zOfo1kQoHfYts7prtHfRLVFCx2/hKVDuy S70qOhDWnAi0pZzDyNBy4V2Ivu9/nA75VcvlC/styaN6bzFWKDrsAystUNHqLn6AHosJiPwxNLG5K sMNpzx4g==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N5-0003mY-6K; Sun, 04 Oct 2020 18:04:31 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 1/7] 9P: Cast to loff_t before multiplying Date: Sun, 4 Oct 2020 19:04:22 +0100 Message-Id: <20201004180428.14494-2-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org On 32-bit systems, this multiplication will overflow for files larger than 4GB. Cc: stable@vger.kernel.org Fixes: fb89b45cdfdc ("9P: introduction of a new cache=mmap model.") Signed-off-by: Matthew Wilcox (Oracle) --- fs/9p/vfs_file.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c index 3576123d8299..6d97b6b4d34b 100644 --- a/fs/9p/vfs_file.c +++ b/fs/9p/vfs_file.c @@ -612,9 +612,9 @@ static void v9fs_mmap_vm_close(struct vm_area_struct *vma) struct writeback_control wbc = { .nr_to_write = LONG_MAX, .sync_mode = WB_SYNC_ALL, - .range_start = vma->vm_pgoff * PAGE_SIZE, + .range_start = (loff_t)vma->vm_pgoff * PAGE_SIZE, /* absolute end, byte at end included */ - .range_end = vma->vm_pgoff * PAGE_SIZE + + .range_end = (loff_t)vma->vm_pgoff * PAGE_SIZE + (vma->vm_end - vma->vm_start - 1), }; From patchwork Sun Oct 4 18:04:23 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11815759 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0E2941580 for ; Sun, 4 Oct 2020 18:05:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E6B32206DD for ; Sun, 4 Oct 2020 18:05:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="qmpfmOl3" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726725AbgJDSFJ (ORCPT ); Sun, 4 Oct 2020 14:05:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48834 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726683AbgJDSE6 (ORCPT ); Sun, 4 Oct 2020 14:04:58 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CB153C0613CF; Sun, 4 Oct 2020 11:04:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=OeP+UYbpor66DMaW4dlQOBaRsqMPKoK+SZyjuLcZuzs=; b=qmpfmOl3qTJbpxI7uNRkLqzkX+ o71mA9C5U9VRYEWc5KEwJBkP9Y97+/NQU162gn9znTiYisHqdCdn4VuiXZwCAIGB587PaeLQy3FXp XC8xOv3dJ3fROxKoPixtR8p35Z0mviJUJp+cs6gAHSUfmJcXl8S4+TkJ6KZjWs3se8xwZf6/yzktZ T4LacZutqbncYoL1xQoZ2f0D9GvWC+LdYt3zXAtz/qee9YC+fQIX0+9EzCgcH/bz3ScYQPgLSc0OU DShVL8PPkfWDLQb1ihe5zYa87QYdS91QEjq1/VJKAoQfE8Ji5VtkljNvyANJ7SyZJfQThLV1TxIic SSXtL4bg==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N5-0003mc-D3; Sun, 04 Oct 2020 18:04:31 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 2/7] buffer: Promote to unsigned long long before shifting Date: Sun, 4 Oct 2020 19:04:23 +0100 Message-Id: <20201004180428.14494-3-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org On 32-bit systems, this shift will overflow for files larger than 4GB. Cc: stable@vger.kernel.org Fixes: 5417169026c3 ("[FS] Implement block_page_mkwrite.") Signed-off-by: Matthew Wilcox (Oracle) --- fs/buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/buffer.c b/fs/buffer.c index 50bbc99e3d96..66f4765e60ee 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -2515,7 +2515,7 @@ int block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf, } /* page is wholly or partially inside EOF */ - if (((page->index + 1) << PAGE_SHIFT) > size) + if (((page->index + 1ULL) << PAGE_SHIFT) > size) end = size & ~PAGE_MASK; else end = PAGE_SIZE; From patchwork Sun Oct 4 18:04:24 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11815735 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 22EDD1580 for ; Sun, 4 Oct 2020 18:04:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 077ED2078A for ; Sun, 4 Oct 2020 18:04:48 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="VhN9v/xF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726596AbgJDSEr (ORCPT ); Sun, 4 Oct 2020 14:04:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48784 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726125AbgJDSEn (ORCPT ); Sun, 4 Oct 2020 14:04:43 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A546EC0613CE; Sun, 4 Oct 2020 11:04:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=O+GazgI/0xP6Dkm5fRqJzqqdOxWJi4HKwI9NOqmx0qg=; b=VhN9v/xFPFu2bLILuvb2SViDvn 8txRRfkJZfL9lZ+ezUktQtM07eImKNitiKTlQuVwLt09CSdNjFllQTxWmTQXxeDZmT4oyuFRMwMIu 5v+8lIM3NgNVJ+CqW2DlRuyfdLCV0/tv7e0mks1P9uv8E2dYuwHPr6QubBlWrRmmmJaBanXkNSubO GRvDIiITVSvcWycoFaQypYP0Gc3bGRq0zRFIMFR98JIRBZMcv0640XyFBuId5fUJWXk3qaMIXKdoj idBOaEkkoL7tklgWLdKkMWyqcFTC1cZkPcuvtxfO6m6JdH3kW2HSFuFqDpF5hcsrImENV+lcD47za U+/5T9lQ==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N5-0003mg-Jf; Sun, 04 Oct 2020 18:04:31 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 3/7] ceph: Promote to unsigned long long before shifting Date: Sun, 4 Oct 2020 19:04:24 +0100 Message-Id: <20201004180428.14494-4-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org On 32-bit systems, this shift will overflow for files larger than 4GB. Cc: stable@vger.kernel.org Fixes: 61f68816211e ("ceph: check caps in filemap_fault and page_mkwrite") Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Jeff Layton --- fs/ceph/addr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index 6ea761c84494..970e5a094035 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -1522,7 +1522,7 @@ static vm_fault_t ceph_filemap_fault(struct vm_fault *vmf) struct ceph_inode_info *ci = ceph_inode(inode); struct ceph_file_info *fi = vma->vm_file->private_data; struct page *pinned_page = NULL; - loff_t off = vmf->pgoff << PAGE_SHIFT; + loff_t off = (loff_t)vmf->pgoff << PAGE_SHIFT; int want, got, err; sigset_t oldset; vm_fault_t ret = VM_FAULT_SIGBUS; From patchwork Sun Oct 4 18:04:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11815765 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7FF0613B2 for ; Sun, 4 Oct 2020 18:05:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6519F206DD for ; Sun, 4 Oct 2020 18:05:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="HgdhaaLk" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726564AbgJDSEq (ORCPT ); Sun, 4 Oct 2020 14:04:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48796 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726237AbgJDSEq (ORCPT ); Sun, 4 Oct 2020 14:04:46 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB1B8C0613CE; Sun, 4 Oct 2020 11:04:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=NrJVJoU7OMcJTi9hemuonuG11U70LFwuvk1JhdPC5Fs=; b=HgdhaaLkSWbHyStH+GfRtwmrjD zS+k9uEIcP9s39jdejViPI1JvnhxyzwZPpVJKU1j5iBxZ4ih/AyNUB1QLTnnWokEIJfLCHiP5EUa1 JcPctgY13Hxx7EAOYy6dcJcPaM1neGdFw71nzv9yVKq3gz2mtjN5PQ4WdtEpW8tiNpNQU4srjSzMt bxFsQ6DkBQd2iSJ/TykKd8P5kIuE66LPRjburFcXQVv+MGhOT5PHySwIkGireyH5e8FRbwOhT98ZP Bb/NARhnYvMRRfVaKlUWmfFOUpbPwVMG7gNLDfxH26OdknC+b0xqdDaG756OSNgKtJ6SfGhfUa0aG WCHHvbow==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N5-0003mk-R4; Sun, 04 Oct 2020 18:04:31 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 4/7] ocfs2: Promote to unsigned long long before shifting Date: Sun, 4 Oct 2020 19:04:25 +0100 Message-Id: <20201004180428.14494-5-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org On 32-bit systems, this shift will overflow for files larger than 4GB. Cc: stable@vger.kernel.org Fixes: 35edec1d52c0 ("ocfs2: update truncate handling of partial clusters") Signed-off-by: Matthew Wilcox (Oracle) --- fs/ocfs2/alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index 4c1b90442d6f..26eff79ecb50 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -6867,7 +6867,7 @@ static void ocfs2_zero_cluster_pages(struct inode *inode, loff_t start, ocfs2_map_and_dirty_page(inode, handle, from, to, page, 1, &phys); - start = (page->index + 1) << PAGE_SHIFT; + start = (page->index + 1ULL) << PAGE_SHIFT; } out: if (pages) From patchwork Sun Oct 4 18:04:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11815727 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3A7F213B2 for ; Sun, 4 Oct 2020 18:04:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1E385206DD for ; Sun, 4 Oct 2020 18:04:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="HhKU5wBQ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726389AbgJDSEh (ORCPT ); Sun, 4 Oct 2020 14:04:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48766 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726125AbgJDSEg (ORCPT ); Sun, 4 Oct 2020 14:04:36 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A9B80C0613CE; Sun, 4 Oct 2020 11:04:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=pBzpd+ZwGINPndJww6tlDY0rtfFWrUcfW5HnCOvqMps=; b=HhKU5wBQQ0+KAkIw1hnOknJpey b+TM07EAXbH1BzLpr/tUIU6Zn7nHldnfw2dLBkS4z6MtoQnD3AAjPOkWyZZOu/Jr6aVZ0Cw5ktum2 5rjXSksb901BlCVzzhiselxVyeUEGWOOPrd8+9nldrBw8W+QUdQRl7AMynVgT4dl7FqMGGLAz4MPp WJxO5XhcrH1qidqBSWiTtGhlnAVa1ZuoGcR32NQI48q1WbsygsXbRVU6XAKrsyhKOb4CKCU486nqP KNFJDJkYunqJevFpgyZjj/sGecsoaHR04EjI6+GDdt8LHtOLgV2YMnxRvy8yT5o4QNZnfm3hX91QT JGA1mwtw==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N6-0003mo-1t; Sun, 04 Oct 2020 18:04:32 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 5/7] btrfs: Promote to unsigned long long before shifting Date: Sun, 4 Oct 2020 19:04:26 +0100 Message-Id: <20201004180428.14494-6-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org On 32-bit systems, this shift will overflow for files larger than 4GB. Cc: stable@vger.kernel.org Fixes: df480633b891 ("btrfs: extent-tree: Switch to new delalloc space reserve and release") Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Josef Bacik --- fs/btrfs/ioctl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index ac45f022b495..4d3b7e4ae53a 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -1277,7 +1277,7 @@ static int cluster_pages_for_defrag(struct inode *inode, page_cnt = min_t(u64, (u64)num_pages, (u64)file_end - start_index + 1); ret = btrfs_delalloc_reserve_space(BTRFS_I(inode), &data_reserved, - start_index << PAGE_SHIFT, + (loff_t)start_index << PAGE_SHIFT, page_cnt << PAGE_SHIFT); if (ret) return ret; @@ -1367,7 +1367,7 @@ static int cluster_pages_for_defrag(struct inode *inode, btrfs_mod_outstanding_extents(BTRFS_I(inode), 1); spin_unlock(&BTRFS_I(inode)->lock); btrfs_delalloc_release_space(BTRFS_I(inode), data_reserved, - start_index << PAGE_SHIFT, + (loff_t)start_index << PAGE_SHIFT, (page_cnt - i_done) << PAGE_SHIFT, true); } @@ -1395,7 +1395,7 @@ static int cluster_pages_for_defrag(struct inode *inode, put_page(pages[i]); } btrfs_delalloc_release_space(BTRFS_I(inode), data_reserved, - start_index << PAGE_SHIFT, + (loff_t)start_index << PAGE_SHIFT, page_cnt << PAGE_SHIFT, true); btrfs_delalloc_release_extents(BTRFS_I(inode), page_cnt << PAGE_SHIFT); extent_changeset_free(data_reserved); From patchwork Sun Oct 4 18:04:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11815743 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2B9B713B2 for ; Sun, 4 Oct 2020 18:04:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 10355206B6 for ; Sun, 4 Oct 2020 18:04:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="Sas70Pi8" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726663AbgJDSEy (ORCPT ); Sun, 4 Oct 2020 14:04:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726125AbgJDSEw (ORCPT ); Sun, 4 Oct 2020 14:04:52 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9291C0613CF; Sun, 4 Oct 2020 11:04:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=WbC9hgAcg/kmSfhruAEKvz/UhCG0YVX9Mb6rUn6uioQ=; b=Sas70Pi87VyEThzdZtQqppqRFa r7ubnYnhYzuwIusGo49ix97K0EBn/xVxSpN375sGwlJiPpu0UDwrEBZG5FL9eAPEh2veW32n8NBQA F3Hop8U7b6l3GoiXeTRkDa0ea/HGXW9X9ky0sI9sSzqyYzHg/4UJWf2/qPTLkd79zhI/6QFjKEhKU Ezb2LYypVMi1nZzY49EFZEopszt4Tq1+Q70ZnAZs1oW8la6Z3m6vCkdEy9dP0wpBUntmJrM8JIWKX +Ad4cY6H0AFFZGjdbAjNME7za+4lRYqA1SEsUlT5H/3PoKj8xKRgPI49ALhozsg26ra0dIn6vtVtl zt9HlwvA==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N6-0003ms-7z; Sun, 04 Oct 2020 18:04:32 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 6/7] btrfs: Promote to unsigned long long before shifting Date: Sun, 4 Oct 2020 19:04:27 +0100 Message-Id: <20201004180428.14494-7-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org On 32-bit systems, this shift will overflow for files larger than 4GB. Cc: stable@vger.kernel.org Fixes: 53b381b3abeb ("Btrfs: RAID5 and RAID6") Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Josef Bacik --- fs/btrfs/raid56.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index 255490f42b5d..5ee0a53301bd 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -1089,7 +1089,7 @@ static int rbio_add_io_page(struct btrfs_raid_bio *rbio, u64 disk_start; stripe = &rbio->bbio->stripes[stripe_nr]; - disk_start = stripe->physical + (page_index << PAGE_SHIFT); + disk_start = stripe->physical + ((loff_t)page_index << PAGE_SHIFT); /* if the device is missing, just fail this stripe */ if (!stripe->dev->bdev) From patchwork Sun Oct 4 18:04:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 11815747 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 06DA313B2 for ; Sun, 4 Oct 2020 18:05:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E0186206DD for ; Sun, 4 Oct 2020 18:05:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="veCC9HED" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726610AbgJDSEx (ORCPT ); Sun, 4 Oct 2020 14:04:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48808 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726617AbgJDSEt (ORCPT ); Sun, 4 Oct 2020 14:04:49 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B6F9C0613CE; Sun, 4 Oct 2020 11:04:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To: Content-Type:Content-ID:Content-Description; bh=hHXBNNh8GCwSgw+uPZ85Ci+XmbkQmu/k8o+h/hk98Kk=; b=veCC9HEDjh1aEb0xwCHniSsssK rxoZwcQQR7/1Hyhy5c7fkwubS/QkfkYDbMuBtLeD9o7N9JnFTFsOtp9F3XgzHAGBAEF35J5LOgyIm SERnTO9t4KYd9RvIkC5YFKxnmQlOlH6iI1D7T4fbXO17ITNDsLipSH4XDHbiNjq+KEIxBhG4Dcz4o 2HMLC++nnLuDoAO3hl7tujf4tne5grK0gXIMVabNUxlf+0penSe+Gl3tmCm9t0rx0PDDUZeHm4CCq UAAN9j58nGQegRS5QPKK3xDC83Z5Z/XXcN+iJIslIUfzQdppF4VVzrHWt8nHSR/9CqzX5d2yBJCUG alkw/zdg==; Received: from willy by casper.infradead.org with local (Exim 4.92.3 #3 (Red Hat Linux)) id 1kP8N6-0003mw-Dx; Sun, 04 Oct 2020 18:04:32 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: [PATCH 7/7] btrfs: Promote to unsigned long long before multiplying Date: Sun, 4 Oct 2020 19:04:28 +0100 Message-Id: <20201004180428.14494-8-willy@infradead.org> X-Mailer: git-send-email 2.21.3 In-Reply-To: <20201004180428.14494-1-willy@infradead.org> References: <20201004180428.14494-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org On 32-bit systems, these shifts will overflow for files larger than 4GB. Add helper functions to avoid this problem coming back. Cc: stable@vger.kernel.org Fixes: 73ff61dbe5ed ("Btrfs: fix device replace of a missing RAID 5/6 device") Fixes: be50a8ddaae1 ("Btrfs: Simplify scrub_setup_recheck_block()'s argument") Fixes: ff023aac3119 ("Btrfs: add code to scrub to copy read data to another disk") Fixes: b5d67f64f9bc ("Btrfs: change scrub to support big blocks") Fixes: a2de733c78fa ("btrfs: scrub") Signed-off-by: Matthew Wilcox (Oracle) --- fs/btrfs/scrub.c | 25 ++++++++++++++++--------- 1 file changed, 16 insertions(+), 9 deletions(-) diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 354ab9985a34..ccbaf9c6e87a 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -1262,12 +1262,17 @@ static inline void scrub_stripe_index_and_offset(u64 logical, u64 map_type, } } +static u64 sblock_length(struct scrub_block *sblock) +{ + return (u64)sblock->page_count * PAGE_SIZE; +} + static int scrub_setup_recheck_block(struct scrub_block *original_sblock, struct scrub_block *sblocks_for_recheck) { struct scrub_ctx *sctx = original_sblock->sctx; struct btrfs_fs_info *fs_info = sctx->fs_info; - u64 length = original_sblock->page_count * PAGE_SIZE; + u64 length = sblock_length(original_sblock); u64 logical = original_sblock->pagev[0]->logical; u64 generation = original_sblock->pagev[0]->generation; u64 flags = original_sblock->pagev[0]->flags; @@ -1610,6 +1615,11 @@ static void scrub_write_block_to_dev_replace(struct scrub_block *sblock) } } +static u64 sbio_length(struct scrub_bio *sbio) +{ + return (u64)sbio->page_count * PAGE_SIZE; +} + static int scrub_write_page_to_dev_replace(struct scrub_block *sblock, int page_num) { @@ -1659,10 +1669,9 @@ static int scrub_add_page_to_wr_bio(struct scrub_ctx *sctx, bio->bi_iter.bi_sector = sbio->physical >> 9; bio->bi_opf = REQ_OP_WRITE; sbio->status = 0; - } else if (sbio->physical + sbio->page_count * PAGE_SIZE != + } else if (sbio->physical + sbio_length(sbio) != spage->physical_for_dev_replace || - sbio->logical + sbio->page_count * PAGE_SIZE != - spage->logical) { + sbio->logical + sbio_length(sbio) != spage->logical) { scrub_wr_submit(sctx); goto again; } @@ -2005,10 +2014,8 @@ static int scrub_add_page_to_rd_bio(struct scrub_ctx *sctx, bio->bi_iter.bi_sector = sbio->physical >> 9; bio->bi_opf = REQ_OP_READ; sbio->status = 0; - } else if (sbio->physical + sbio->page_count * PAGE_SIZE != - spage->physical || - sbio->logical + sbio->page_count * PAGE_SIZE != - spage->logical || + } else if (sbio->physical + sbio_length(sbio) != spage->physical || + sbio->logical + sbio_length(sbio) != spage->logical || sbio->dev != spage->dev) { scrub_submit(sctx); goto again; @@ -2094,7 +2101,7 @@ static void scrub_missing_raid56_pages(struct scrub_block *sblock) { struct scrub_ctx *sctx = sblock->sctx; struct btrfs_fs_info *fs_info = sctx->fs_info; - u64 length = sblock->page_count * PAGE_SIZE; + u64 length = sblock_length(sblock); u64 logical = sblock->pagev[0]->logical; struct btrfs_bio *bbio = NULL; struct bio *bio;