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=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 C8E56C388F9 for ; Mon, 23 Nov 2020 13:03:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D12320758 for ; Mon, 23 Nov 2020 13:03:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="B67cVPQZ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388294AbgKWNCy (ORCPT ); Mon, 23 Nov 2020 08:02:54 -0500 Received: from mail.kernel.org ([198.145.29.99]:36542 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732808AbgKWMwh (ORCPT ); Mon, 23 Nov 2020 07:52:37 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (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 5910020888; Mon, 23 Nov 2020 12:52:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1606135945; bh=AMYwANOQ6rNuIZJOiSf6IwxYur41of+l2E3MaiATE8E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=B67cVPQZozjkxp0gAO/mmaGQglt1FmZcXi/AsABELp3haE1sUVabTGWFM/2nSQsSi V6jjADnMfVHYcGZbJ28l8Id97Re6OZF8IPwqlW4mvCXCtIi1DoOJBCjnnnTciR5Zdt +MaK4OjI6qTyttrMQcPsV6zhLmHDGhrvqvgSnoZY= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Christoph Hellwig , Jens Axboe Subject: [PATCH 5.9 244/252] blk-cgroup: fix a hd_struct leak in blkcg_fill_root_iostats Date: Mon, 23 Nov 2020 13:23:14 +0100 Message-Id: <20201123121847.356844127@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201123121835.580259631@linuxfoundation.org> References: <20201123121835.580259631@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Christoph Hellwig commit b7131ee0bac5e5df73e4098e77bbddb3a31d06ff upstream. disk_get_part needs to be paired with a disk_put_part. Cc: stable@vger.kernel.org Fixes: ef45fe470e1 ("blk-cgroup: show global disk stats in root cgroup io.stat") Signed-off-by: Christoph Hellwig Signed-off-by: Jens Axboe Signed-off-by: Greg Kroah-Hartman --- block/blk-cgroup.c | 1 + 1 file changed, 1 insertion(+) --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -840,6 +840,7 @@ static void blkcg_fill_root_iostats(void blkg_iostat_set(&blkg->iostat.cur, &tmp); u64_stats_update_end(&blkg->iostat.sync); } + disk_put_part(part); } }