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 EAF74C3A589 for ; Wed, 21 Aug 2019 02:17:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B22A62332B for ; Wed, 21 Aug 2019 02:17:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566353846; bh=pAsXywDxAZdHvDkJOZ0zWWjdPKC5BySTiVxg2nMNfxk=; h=Subject:To:From:Date:List-ID:From; b=Kam9oKDenzsXWJyjk6lFgt16yOyydQEfcxK/3BN2gLScfsAK4JLNS7iNrhMrjqZtI myyCD8Z6tsIIDWuHpPC3so89nZQ0HNsvw1MmJV0ebSRh/2icq2FKiXTFC37ArFWG/+ +9bAPcjU/f31j+tv9hlgSGKgLClxAZ2UFy4cVB9M= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726674AbfHUCR0 (ORCPT ); Tue, 20 Aug 2019 22:17:26 -0400 Received: from mail.kernel.org ([198.145.29.99]:53190 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726512AbfHUCR0 (ORCPT ); Tue, 20 Aug 2019 22:17:26 -0400 Received: from localhost (li1825-44.members.linode.com [172.104.248.44]) (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 7A07322DA7; Wed, 21 Aug 2019 02:17:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566353845; bh=pAsXywDxAZdHvDkJOZ0zWWjdPKC5BySTiVxg2nMNfxk=; h=Subject:To:From:Date:From; b=hSERfp8yB7uJkjv0Dl12SrEUeRfPnAYU0vLN0o+z6tQccCwmgBgDUs1kvKUyrHT+1 oVVFj+QZBdZ0lvzgXmQeh4+ib4gXTBzsdzamyOf2ugsA8ilEVM3XmLLbU+nnO/TtQY uEdViiDOMs9ymVAopw7/KAWKMjxbIhHMuXgRTn0E= Subject: patch "staging: erofs: cannot set EROFS_V_Z_INITED_BIT if fill_inode_lazy" added to staging-testing To: gaoxiang25@huawei.com, gregkh@linuxfoundation.org, stable@vger.kernel.org, yuchao0@huawei.com From: Date: Tue, 20 Aug 2019 19:17:05 -0700 Message-ID: <1566353825184208@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-testing 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 be merged to the staging-next branch sometime soon, after it passes testing, and the merge window is open. 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