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 X-Spam-Level: X-Spam-Status: No, score=-3.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 324B0C4321D for ; Tue, 21 Aug 2018 14:50:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E7F3221777 for ; Tue, 21 Aug 2018 14:50:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="enzIxuyH" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E7F3221777 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727998AbeHUSLL (ORCPT ); Tue, 21 Aug 2018 14:11:11 -0400 Received: from mail.kernel.org ([198.145.29.99]:53922 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727950AbeHUSLK (ORCPT ); Tue, 21 Aug 2018 14:11:10 -0400 Received: from localhost.localdomain (unknown [121.229.162.135]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3C8EE2177C; Tue, 21 Aug 2018 14:50:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1534863042; bh=Bh7iGZXxLJDEi91RiEjGHHjnHyz141NJFkzGyBb8h2E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=enzIxuyHMqlWHLmWfUUD4zYtWjdPCzD5Y6EGCD7YR10TGHdM8s9N/xXTVUWOyUzda QMcDMBMjdx4jzqmQ877NgRG8pWRK+5HkyxnjPzbv5vIIVZevGI1TfnBRnwhrkrxEqF 1drZpQr9250FDq/LoswGkx6yP1X7JIHZMnhugK5I= From: Chao Yu To: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org Cc: linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, Gao Xiang , Chao Yu Subject: [PATCH 8/9] staging: erofs: fix compression mapping beyond EOF Date: Tue, 21 Aug 2018 22:49:36 +0800 Message-Id: <20180821144937.20555-9-chao@kernel.org> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180821144937.20555-1-chao@kernel.org> References: <20180821144937.20555-1-chao@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Gao Xiang Logical address of EOF LTP mapping should start at `inode->i_size' rather than `inode->i_size - 1' to `m_la(in)', fix it. Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Signed-off-by: Chao Yu --- drivers/staging/erofs/unzip_vle.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c index dab892157e51..6c4c9280cb8c 100644 --- a/drivers/staging/erofs/unzip_vle.c +++ b/drivers/staging/erofs/unzip_vle.c @@ -1548,7 +1548,7 @@ int z_erofs_map_blocks_iter(struct inode *inode, if (unlikely(map->m_la >= inode->i_size)) { BUG_ON(!initial); map->m_llen = map->m_la + 1 - inode->i_size; - map->m_la = inode->i_size - 1; + map->m_la = inode->i_size; map->m_flags = 0; goto out; } -- 2.18.0