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=-11.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS 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 15082C3A5A3 for ; Wed, 21 Aug 2019 12:46:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D47F022CF7 for ; Wed, 21 Aug 2019 12:46:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566391590; bh=YMEJA7iD4NduCrwDidc9uOcoMOZ/gX0IUGxsJjMg/KY=; h=Subject:To:From:Date:List-ID:From; b=pKD/gIikJFT3tqw1LyciAbnHfrMfL/vRZUgtdKFXS4NlKJKmtKw1yAlklb5AXH6Kt OC8nNE+eemr0qxBQFbpP3w+nRfw/ERDdkdjA2v61SCul1NlxJnVJG18hTybzhipNOE apxe5mfcr6e2L0/tR2zQ9RpPZMlDXFuhYLq0MojE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728339AbfHUMq3 (ORCPT ); Wed, 21 Aug 2019 08:46:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:41132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726372AbfHUMq3 (ORCPT ); Wed, 21 Aug 2019 08:46:29 -0400 Received: from localhost (unknown [12.166.174.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AEE73233A2; Wed, 21 Aug 2019 12:46:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566391588; bh=YMEJA7iD4NduCrwDidc9uOcoMOZ/gX0IUGxsJjMg/KY=; h=Subject:To:From:Date:From; b=ee73GulJmZU/Nan8fsQX3RmaPeIN+KkQk7MZFmInUIuFvz2esjr9pWQCd8SQTc6En uzvyKj2fgjqzqU3TTNODYkN/xg9H/vrXEFuz7PdYVas3rgK8le7IPsLkYzEeC0KUJP U0fNLTH0IZ3M0RUFxJO8gA5ifSdNFoO+fV70oacc= Subject: patch "staging: erofs: cannot set EROFS_V_Z_INITED_BIT if fill_inode_lazy" added to staging-next To: gaoxiang25@huawei.com, gregkh@linuxfoundation.org, stable@vger.kernel.org, yuchao0@huawei.com From: Date: Wed, 21 Aug 2019 05:46:26 -0700 Message-ID: <15663915861939@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org This is a note to let you know that I've just added the patch titled staging: erofs: cannot set EROFS_V_Z_INITED_BIT if fill_inode_lazy to my staging git tree which can be found at git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git in the staging-next branch. The patch will show up in the next release of the linux-next tree (usually sometime within the next 24 hours during the week.) The patch will also be merged in the next major kernel release during the merge window. If you have any questions about this process, please let me know. >From 3407a4198faf01c9d7596c45b8606834b8dfc2b7 Mon Sep 17 00:00:00 2001 From: Gao Xiang Date: Mon, 19 Aug 2019 18:34:22 +0800 Subject: staging: erofs: cannot set EROFS_V_Z_INITED_BIT if fill_inode_lazy fails As reported by erofs-utils fuzzer, unsupported compressed clustersize will make fill_inode_lazy fail, for such case we cannot set EROFS_V_Z_INITED_BIT since we need return failure for each z_erofs_map_blocks_iter(). Fixes: 152a333a5895 ("staging: erofs: add compacted compression indexes support") Cc: # 5.3+ Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Link: https://lore.kernel.org/r/20190819103426.87579-3-gaoxiang25@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/erofs/zmap.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/erofs/zmap.c b/drivers/staging/erofs/zmap.c index b61b9b5950ac..7408e86823a4 100644 --- a/drivers/staging/erofs/zmap.c +++ b/drivers/staging/erofs/zmap.c @@ -85,12 +85,11 @@ static int fill_inode_lazy(struct inode *inode) vi->z_physical_clusterbits[1] = vi->z_logical_clusterbits + ((h->h_clusterbits >> 5) & 7); + set_bit(EROFS_V_Z_INITED_BIT, &vi->flags); unmap_done: kunmap_atomic(kaddr); unlock_page(page); put_page(page); - - set_bit(EROFS_V_Z_INITED_BIT, &vi->flags); out_unlock: clear_and_wake_up_bit(EROFS_V_BL_Z_BIT, &vi->flags); return err; -- 2.23.0