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=-6.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH,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 5FFEFC282DD for ; Thu, 23 May 2019 19:45:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2CD2320881 for ; Thu, 23 May 2019 19:45:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558640742; bh=tQ4EPmHa88YeE+lsAVf8RF8bcxRpc2MVqWookuBRWD0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=knkwUU+yHMzWNp3PiNdU3qIE21iQsZn2J8MKBA+2JMEO0KiXrYg3hR5Aw4vJnRU7I NchX/KRvHJuvxByzy3thLt1gJUN7A2f6vpXBfwhO3xQl6oPYU+SLK/ylw/lrXqFLYg luBl0LDr/YEwelQ+EsrmKac+VqJz2YGtRDumOq+k= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388429AbfEWTPU (ORCPT ); Thu, 23 May 2019 15:15:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:49642 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388939AbfEWTPU (ORCPT ); Thu, 23 May 2019 15:15:20 -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 F0964217D7; Thu, 23 May 2019 19:15:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558638919; bh=tQ4EPmHa88YeE+lsAVf8RF8bcxRpc2MVqWookuBRWD0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KpejofUAkIGC8wpr2Cc8Wvb5xABlKXzdSXxdg3InDlPVdtrmx5Xbbfvxth7yn57Jd w27dGhA1M84BQeN4bC7CEa7bOtreLsbPgIXPTNxaWV4sd+jTSMUD5UWzlqZTHrlxYm 6Bu9hJpqdRSJ42qObaz1U34QfSvRAflU/EJsitKE= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Stefano Garzarella , "David S. Miller" Subject: [PATCH 4.19 012/114] vsock/virtio: free packets during the socket release Date: Thu, 23 May 2019 21:05:11 +0200 Message-Id: <20190523181732.808465017@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190523181731.372074275@linuxfoundation.org> References: <20190523181731.372074275@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Stefano Garzarella [ Upstream commit ac03046ece2b158ebd204dfc4896fd9f39f0e6c8 ] When the socket is released, we should free all packets queued in the per-socket list in order to avoid a memory leak. Signed-off-by: Stefano Garzarella Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- net/vmw_vsock/virtio_transport_common.c | 7 +++++++ 1 file changed, 7 insertions(+) --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -786,12 +786,19 @@ static bool virtio_transport_close(struc void virtio_transport_release(struct vsock_sock *vsk) { + struct virtio_vsock_sock *vvs = vsk->trans; + struct virtio_vsock_pkt *pkt, *tmp; struct sock *sk = &vsk->sk; bool remove_sock = true; lock_sock(sk); if (sk->sk_type == SOCK_STREAM) remove_sock = virtio_transport_close(vsk); + + list_for_each_entry_safe(pkt, tmp, &vvs->rx_queue, list) { + list_del(&pkt->list); + virtio_transport_free_pkt(pkt); + } release_sock(sk); if (remove_sock)