From nobody Wed Dec 17 10:08:59 2025 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BC787C77B7D for ; Wed, 17 May 2023 03:41:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232480AbjEQDlw (ORCPT ); Tue, 16 May 2023 23:41:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231646AbjEQDls (ORCPT ); Tue, 16 May 2023 23:41:48 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF14D171E for ; Tue, 16 May 2023 20:41:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 31FC3636E2 for ; Wed, 17 May 2023 03:41:47 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D064CC433EF; Wed, 17 May 2023 03:41:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1684294906; bh=jIMBSZU6DcIg128BmiUzKyo1mKFJN6bwGmXxDRJS/7c=; h=From:To:Cc:Subject:Date:From; b=VqrUbrMhVu67DZAKgx7QGu0lljDrcRx6jtZsupnKWYnfdTmBgee5hTRyvBHETW+xo gXQE7ukGIpqQMSkqqK2I6imfGLm6KhutUU1M8JgTHVymX65P7ebFizM1SE5cCDgLz2 2ifO5Ze/6NuxTUI2dKlyEVqxEsHU0d6N0Lgc0w1IWuLIado07S9ucjmC7kTugM7W6A Dpz6KlMSaM4yMNxZU0YI4GvdildW/n3SoOWINSyUYW+t+vN/GRKPsPUno5NDG1186H Wxv7dex7f5zc8h579D3FnHFBRW7XY39PsHuw5IW03AKXj8YMH+dL/zduLpnCzKDLOn aBODLwSM8MNHw== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu Subject: [PATCH v2] f2fs: compress: fix to check validity of i_compress_flag field Date: Wed, 17 May 2023 11:41:39 +0800 Message-Id: <20230517034139.12879-1-chao@kernel.org> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" The last valid compress related field is i_compress_flag, check its validity instead of i_log_cluster_size. Signed-off-by: Chao Yu --- v2: - rebase the code. fs/f2fs/inode.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index f8bf75c1eca9..0a1748444329 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -361,7 +361,7 @@ static bool sanity_check_inode(struct inode *inode, str= uct page *node_page) if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) && fi->i_flags & F2FS_COMPR_FL && F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, - i_log_cluster_size)) + i_compress_flag)) return sanity_check_compress_inode(inode, ri); =20 return true; @@ -490,7 +490,7 @@ static int do_read_inode(struct inode *inode) if (f2fs_has_extra_attr(inode) && f2fs_sb_has_compression(sbi) && (fi->i_flags & F2FS_COMPR_FL)) { if (F2FS_FITS_IN_INODE(ri, fi->i_extra_isize, - i_log_cluster_size)) { + i_compress_flag)) { unsigned short compress_flag; =20 atomic_set(&fi->i_compr_blocks, @@ -728,7 +728,7 @@ void f2fs_update_inode(struct inode *inode, struct page= *node_page) =20 if (f2fs_sb_has_compression(F2FS_I_SB(inode)) && F2FS_FITS_IN_INODE(ri, F2FS_I(inode)->i_extra_isize, - i_log_cluster_size)) { + i_compress_flag)) { unsigned short compress_flag; =20 ri->i_compr_blocks =3D --=20 2.40.1