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=-5.3 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT 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 D2E1FC46464 for ; Tue, 6 Nov 2018 22:04:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9937320862 for ; Tue, 6 Nov 2018 22:04:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=thunk.org header.i=@thunk.org header.b="Af8sauTZ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9937320862 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=mit.edu Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730806AbeKGHb5 (ORCPT ); Wed, 7 Nov 2018 02:31:57 -0500 Received: from imap.thunk.org ([74.207.234.97]:46112 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725951AbeKGHb5 (ORCPT ); Wed, 7 Nov 2018 02:31:57 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=thunk.org; s=ef5046eb; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=d40P+8HSx4cdpppxbcKMcJCiPYf6zaozDj5RvfsIW58=; b=Af8sauTZ407iIieDZFUhsZzK7/ gl+aHUVMZ7bQUcFleIC/KLm3ifbmYdD/owmZF9W5pGAehACuDzm0aXJcRfuH0nZPjXXY+7VcccnaE 9NvT0gzMtczUBuyUtIBNsdFCAG0/rWDP0Q4VCqe9Ny0DINV2q0HYFORCtRUOgvo09mOY=; Received: from root (helo=callcc.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.89) (envelope-from ) id 1gK9Sc-00067L-Dh; Tue, 06 Nov 2018 22:04:34 +0000 Received: by callcc.thunk.org (Postfix, from userid 15806) id 6D8567A7C2C; Tue, 6 Nov 2018 17:04:33 -0500 (EST) Date: Tue, 6 Nov 2018 17:04:33 -0500 From: "Theodore Y. Ts'o" To: Vasily Averin Cc: linux-ext4@vger.kernel.org, Andreas Dilger , linux-kernel@vger.kernel.org, Dmitry Monakhov Subject: Re: [PATCH v2 08/11] ext4: lost brelse in ext4_orphan_add() Message-ID: <20181106220433.GG2570@thunk.org> Mail-Followup-To: "Theodore Y. Ts'o" , Vasily Averin , linux-ext4@vger.kernel.org, Andreas Dilger , linux-kernel@vger.kernel.org, Dmitry Monakhov References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 31, 2018 at 12:58:31AM +0300, Vasily Averin wrote: > iloc.bh os taken in ext4_reserve_inode_write(). > If (dirty == true) it is released in ext4_mark_iloc_dirty(), > however it is not released in (dirty == false) case. > > Fixes d745a8c20c1f ("ext4: reduce contention on s_orphan_lock") > however iloc.bh count balance was broken earlier by > Fixes 6e3617e579e0 ("ext4: Handle non empty on-disk orphan link") #2.6.34 > > cc: Dmitry Monakhov > Signed-off-by: Vasily Averin Thanks, applied. I fixed up the commit description and Fixes/Cc trailers. I used the one-line description: ext4: avoid buffer leak in ext4_orphan_add() after prior errors - Ted