From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E9E6C433F5 for ; Mon, 15 Nov 2021 21:19:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4283C61B6F for ; Mon, 15 Nov 2021 21:19:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233478AbhKOVWl (ORCPT ); Mon, 15 Nov 2021 16:22:41 -0500 Received: from mail.kernel.org ([198.145.29.99]:56276 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241132AbhKOSSb (ORCPT ); Mon, 15 Nov 2021 13:18:31 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id D2048633F5; Mon, 15 Nov 2021 17:51:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1636998670; bh=T8792LNMu9u6y7rSh7ujI8jt+KPWQDLW9UiOdtr3NNA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=sZUqVz/Lrb3SmPygd6QYRA4N9/5GPlWvgqoO/3MCdxYbVy9G+ouWfXHR0tWQ98dM9 Tr2unvLtpNbJYBsEe0S3AzkBPUORmRFbp3FVA6pBytr37+NNgbIOjib6Ei69BWgqdK CNBna4INLLQ4WkBb6pIKBXc4Ux0Wqwp+96WbBf08= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ganapathi Kamath , Sungjong Seo , Namjae Jeon Subject: [PATCH 5.14 018/849] exfat: fix incorrect loading of i_blocks for large files Date: Mon, 15 Nov 2021 17:51:41 +0100 Message-Id: <20211115165420.616736290@linuxfoundation.org> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211115165419.961798833@linuxfoundation.org> References: <20211115165419.961798833@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Sungjong Seo commit 0c336d6e33f4bedc443404c89f43c91c8bd9ee11 upstream. When calculating i_blocks, there was a mistake that was masked with a 32-bit variable. So i_blocks for files larger than 4 GiB had incorrect values. Mask with a 64-bit variable instead of 32-bit one. Fixes: 5f2aa075070c ("exfat: add inode operations") Cc: stable@vger.kernel.org # v5.7+ Reported-by: Ganapathi Kamath Signed-off-by: Sungjong Seo Signed-off-by: Namjae Jeon Signed-off-by: Greg Kroah-Hartman --- fs/exfat/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/exfat/inode.c +++ b/fs/exfat/inode.c @@ -604,7 +604,7 @@ static int exfat_fill_inode(struct inode exfat_save_attr(inode, info->attr); inode->i_blocks = ((i_size_read(inode) + (sbi->cluster_size - 1)) & - ~(sbi->cluster_size - 1)) >> inode->i_blkbits; + ~((loff_t)sbi->cluster_size - 1)) >> inode->i_blkbits; inode->i_mtime = info->mtime; inode->i_ctime = info->mtime; ei->i_crtime = info->crtime;