From nobody Sun Dec 14 06:16:00 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 EC682C00140 for ; Mon, 15 Aug 2022 19:57:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344114AbiHOT5k (ORCPT ); Mon, 15 Aug 2022 15:57:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42840 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345520AbiHOTyE (ORCPT ); Mon, 15 Aug 2022 15:54:04 -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 D143F46D82; Mon, 15 Aug 2022 11:52:03 -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 4AD1D61231; Mon, 15 Aug 2022 18:52:03 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1AE8BC433D6; Mon, 15 Aug 2022 18:52:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1660589522; bh=JwXt754lUHTq1FlSGA1oDJZEx7coBxOMoSh2XBZ6ym4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VhbghhjimPRqktpcMrdsOC8fxivxbeON9dQ3+GyiKUubVgjpveqzpVQr5ClzpG+dR jVEefUl/ydOONrf4bPEqoZcZEfpjxrj+9W6QjbkrhlHoEjUxZxcgbIL6lu9K4gvlVe 1H+C8ShvJQuV9PVWUDOZ1yGw7Su0P7Ok3wvsdbO0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, stable@kernel.org, Baokun Li , "Ritesh Harjani (IBM)" , Jan Kara , Theodore Tso , Sasha Levin Subject: [PATCH 5.15 745/779] ext4: correct max_inline_xattr_value_size computing Date: Mon, 15 Aug 2022 20:06:29 +0200 Message-Id: <20220815180409.317249940@linuxfoundation.org> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220815180337.130757997@linuxfoundation.org> References: <20220815180337.130757997@linuxfoundation.org> User-Agent: quilt/0.67 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" From: Baokun Li [ Upstream commit c9fd167d57133c5b748d16913c4eabc55e531c73 ] If the ext4 inode does not have xattr space, 0 is returned in the get_max_inline_xattr_value_size function. Otherwise, the function returns a negative value when the inode does not contain EXT4_STATE_XATTR. Cc: stable@kernel.org Signed-off-by: Baokun Li Reviewed-by: Ritesh Harjani (IBM) Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20220616021358.2504451-4-libaokun1@huawei.c= om Signed-off-by: Theodore Ts'o Signed-off-by: Sasha Levin --- fs/ext4/inline.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 28bc431cf5ba..38ad09e802e4 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -35,6 +35,9 @@ static int get_max_inline_xattr_value_size(struct inode *= inode, struct ext4_inode *raw_inode; int free, min_offs; =20 + if (!EXT4_INODE_HAS_XATTR_SPACE(inode)) + return 0; + min_offs =3D EXT4_SB(inode->i_sb)->s_inode_size - EXT4_GOOD_OLD_INODE_SIZE - EXT4_I(inode)->i_extra_isize - --=20 2.35.1