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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=unavailable 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 D5B70C433EF for ; Wed, 22 Sep 2021 09:52:25 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D87CA61178 for ; Wed, 22 Sep 2021 09:52:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org D87CA61178 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4HDtr73KQKz2ymc for ; Wed, 22 Sep 2021 19:52:23 +1000 (AEST) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.133; helo=out30-133.freemail.mail.aliyun.com; envelope-from=hsiangkao@linux.alibaba.com; receiver=) Received: from out30-133.freemail.mail.aliyun.com (out30-133.freemail.mail.aliyun.com [115.124.30.133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4HDtqz0yKlz2yWG for ; Wed, 22 Sep 2021 19:52:09 +1000 (AEST) X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R941e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04394; MF=hsiangkao@linux.alibaba.com; NM=1; PH=DS; RN=5; SR=0; TI=SMTPD_---0UpDev3j_1632304305; Received: from e18g09479.et15sqa.tbsite.net(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0UpDev3j_1632304305) by smtp.aliyun-inc.com(127.0.0.1); Wed, 22 Sep 2021 17:51:52 +0800 From: Gao Xiang To: linux-erofs@lists.ozlabs.org, Chao Yu , Liu Bo Subject: [PATCH] erofs: fix misbehavior of unsupported chunk format check Date: Wed, 22 Sep 2021 17:51:41 +0800 Message-Id: <20210922095141.233938-1-hsiangkao@linux.alibaba.com> X-Mailer: git-send-email 2.24.4 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Gao Xiang , LKML Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" Unsupported chunk format should be checked with "if (vi->chunkformat & ~EROFS_CHUNK_FORMAT_ALL)" Found when checking with 4k-byte blockmap (although currently mkfs uses inode chunk indexes format by default.) Fixes: c5aa903a59db ("erofs: support reading chunk-based uncompressed files") Cc: Liu Bo Cc: Chao Yu Signed-off-by: Gao Xiang --- fs/erofs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index 31ac3a7..a552399 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -176,7 +176,7 @@ static struct page *erofs_read_inode(struct inode *inode, } if (vi->datalayout == EROFS_INODE_CHUNK_BASED) { - if (!(vi->chunkformat & EROFS_CHUNK_FORMAT_ALL)) { + if (vi->chunkformat & ~EROFS_CHUNK_FORMAT_ALL) { erofs_err(inode->i_sb, "unsupported chunk format %x of nid %llu", vi->chunkformat, vi->nid); -- 1.8.3.1