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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 529E2FA373E for ; Mon, 24 Oct 2022 13:45:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236006AbiJXNpS (ORCPT ); Mon, 24 Oct 2022 09:45:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57382 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236511AbiJXNoV (ORCPT ); Mon, 24 Oct 2022 09:44:21 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6B006402E1; Mon, 24 Oct 2022 05:40:16 -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 29CE46133A; Mon, 24 Oct 2022 12:38:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3C698C433C1; Mon, 24 Oct 2022 12:38:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666615122; bh=AFa8a5sesGuSJSKsd2zWmTwOICUaEhIgr5X8brAl8u4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BH+DDR5lAh8vNIlJJJPzuZgQ2lDUh3L55aDZbSBBy6JcydwKhM9cpjN74tZS9bjI1 FDIu1C0R3jFVz4V5K4/nMNXWnJeiQQiIJSLFQnC9Km3EgapL/JQv4aE4OTph5bZPk5 7p/OAKkXPuz1rYMMeGMgNy7/MkgsrMCjY5mL1s5A= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, stable@kernel.org, Ye Bin , Jan Kara , Theodore Tso Subject: [PATCH 5.15 100/530] ext4: fix miss release buffer head in ext4_fc_write_inode Date: Mon, 24 Oct 2022 13:27:24 +0200 Message-Id: <20221024113049.536381634@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113044.976326639@linuxfoundation.org> References: <20221024113044.976326639@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Ye Bin commit ccbf8eeb39f2ff00b54726a2b20b35d788c4ecb5 upstream. In 'ext4_fc_write_inode' function first call 'ext4_get_inode_loc' get 'iloc', after use it miss release 'iloc.bh'. So just release 'iloc.bh' before 'ext4_fc_write_inode' return. Cc: stable@kernel.org Signed-off-by: Ye Bin Reviewed-by: Jan Kara Link: https://lore.kernel.org/r/20220914100859.1415196-1-yebin10@huawei.com Signed-off-by: Theodore Ts'o Signed-off-by: Greg Kroah-Hartman --- fs/ext4/fast_commit.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) --- a/fs/ext4/fast_commit.c +++ b/fs/ext4/fast_commit.c @@ -794,22 +794,25 @@ static int ext4_fc_write_inode(struct in tl.fc_tag = cpu_to_le16(EXT4_FC_TAG_INODE); tl.fc_len = cpu_to_le16(inode_len + sizeof(fc_inode.fc_ino)); + ret = -ECANCELED; dst = ext4_fc_reserve_space(inode->i_sb, sizeof(tl) + inode_len + sizeof(fc_inode.fc_ino), crc); if (!dst) - return -ECANCELED; + goto err; if (!ext4_fc_memcpy(inode->i_sb, dst, &tl, sizeof(tl), crc)) - return -ECANCELED; + goto err; dst += sizeof(tl); if (!ext4_fc_memcpy(inode->i_sb, dst, &fc_inode, sizeof(fc_inode), crc)) - return -ECANCELED; + goto err; dst += sizeof(fc_inode); if (!ext4_fc_memcpy(inode->i_sb, dst, (u8 *)ext4_raw_inode(&iloc), inode_len, crc)) - return -ECANCELED; - - return 0; + goto err; + ret = 0; +err: + brelse(iloc.bh); + return ret; } /*