From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 77A6E168CF for ; Mon, 8 May 2023 11:14:30 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A98CAC433D2; Mon, 8 May 2023 11:14:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1683544470; bh=dxdcD+9NSBMciiJBDTnYp5+Ym9MqylKKl02uOC6e9XQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=2nVPMJiSUrGNjaTR2y8sb2GgB7rb1LojA6lpZFlsAuxCf1r1znj8BSN9UZUuw/90l Rwn149IaUdt8U2/BvVnJnCi5yroHx1oZbia35MFfUvNicSRDfFLTV69bKd71oATrfB hrmdZsoLCteXXNcQPAfQY/2yC/D34G9ILAzKf13o= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Yu Kuai , Song Liu , Sasha Levin Subject: [PATCH 6.3 421/694] md/raid10: fix memleak of md thread Date: Mon, 8 May 2023 11:44:16 +0200 Message-Id: <20230508094446.953741339@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230508094432.603705160@linuxfoundation.org> References: <20230508094432.603705160@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Yu Kuai [ Upstream commit f0ddb83da3cbbf8a1f9087a642c448ff52ee9abd ] In raid10_run(), if setup_conf() succeed and raid10_run() failed before setting 'mddev->thread', then in the error path 'conf->thread' is not freed. Fix the problem by setting 'mddev->thread' right after setup_conf(). Fixes: 43a521238aca ("md-cluster: choose correct label when clustered layout is not supported") Signed-off-by: Yu Kuai Signed-off-by: Song Liu Link: https://lore.kernel.org/r/20230310073855.1337560-7-yukuai1@huaweicloud.com Signed-off-by: Sasha Levin --- drivers/md/raid10.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 5736ba5932c7f..20522af894e0d 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -4148,6 +4148,9 @@ static int raid10_run(struct mddev *mddev) if (!conf) goto out; + mddev->thread = conf->thread; + conf->thread = NULL; + if (mddev_is_clustered(conf->mddev)) { int fc, fo; @@ -4160,9 +4163,6 @@ static int raid10_run(struct mddev *mddev) } } - mddev->thread = conf->thread; - conf->thread = NULL; - if (mddev->queue) { blk_queue_max_write_zeroes_sectors(mddev->queue, 0); blk_queue_io_min(mddev->queue, mddev->chunk_sectors << 9); -- 2.39.2