From patchwork Wed May 13 09:44:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 225961 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=-6.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 14FEEC2D0F9 for ; Wed, 13 May 2020 09:59:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DA7C7206D6 for ; Wed, 13 May 2020 09:59:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589363966; bh=5m7kQVIn3ABU5S27QHa+70ddN/AuJ4o58qU92xoL8FU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=zseaV/4xfY2WcRjxdGzgmFjOfI59onQZEwuJrUmD0/t9BXq/3wyOKcBnW/CAGSfZX 6QNJguAzI6Awdlyxb1awP4pcMSzOoxjp6Vs4wDGzECLIniRanmwQmU9p1NB31ftYzJ jC0hOUKRl0QGUyYxnKmyES0R4gpTPy/YER0HqzHw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387951AbgEMJx2 (ORCPT ); Wed, 13 May 2020 05:53:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:55480 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387949AbgEMJx1 (ORCPT ); Wed, 13 May 2020 05:53:27 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 85EB820753; Wed, 13 May 2020 09:53:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1589363607; bh=5m7kQVIn3ABU5S27QHa+70ddN/AuJ4o58qU92xoL8FU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZMa6B3FQIOsnxFD7TPXmsKC7y0eSAk0DamP7g9dhPxGLdwGnw7VHgWpPtSBYx5B2P Kv9Qh3I91asDtAp/FvgxNmDzrKFfbnfDuxbMmCyvbtlYXLPjGp6mxehFGdQOXt8J+Z aZ9qQGfy/8ZWdJajbbQVr4xbBANpp+mX/kcZ4Xqo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Sultan Alsawaf , "Jason A. Donenfeld" , "David S. Miller" Subject: [PATCH 5.6 052/118] wireguard: queueing: cleanup ptr_ring in error path of packet_queue_init Date: Wed, 13 May 2020 11:44:31 +0200 Message-Id: <20200513094421.677186726@linuxfoundation.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200513094417.618129545@linuxfoundation.org> References: <20200513094417.618129545@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: "Jason A. Donenfeld" [ Upstream commit 130c58606171326c81841a49cc913cd354113dd9 ] Prior, if the alloc_percpu of packet_percpu_multicore_worker_alloc failed, the previously allocated ptr_ring wouldn't be freed. This commit adds the missing call to ptr_ring_cleanup in the error case. Reported-by: Sultan Alsawaf Fixes: e7096c131e51 ("net: WireGuard secure network tunnel") Signed-off-by: Jason A. Donenfeld Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireguard/queueing.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- a/drivers/net/wireguard/queueing.c +++ b/drivers/net/wireguard/queueing.c @@ -35,8 +35,10 @@ int wg_packet_queue_init(struct crypt_qu if (multicore) { queue->worker = wg_packet_percpu_multicore_worker_alloc( function, queue); - if (!queue->worker) + if (!queue->worker) { + ptr_ring_cleanup(&queue->ring, NULL); return -ENOMEM; + } } else { INIT_WORK(&queue->work, function); }