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 (Oracle)" X-Patchwork-Id: 11815769 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 77F2213B2 for ; Sun, 4 Oct 2020 18:05:24 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5EDB4206DD for ; Sun, 4 Oct 2020 18:05:24 +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 S1726562AbgJDSEq (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: linux-btrfs@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)