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=-0.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=no 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 53B63C7E0BA for ; Fri, 13 Dec 2019 20:40:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8782024765 for ; Fri, 13 Dec 2019 20:40:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ibaVLrgh" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728801AbfLMSsL (ORCPT ); Fri, 13 Dec 2019 13:48:11 -0500 Received: from us-smtp-delivery-1.mimecast.com ([205.139.110.120]:21643 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728455AbfLMSsK (ORCPT ); Fri, 13 Dec 2019 13:48:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1576262889; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=deTmsk0BQdQEPhCCzmHgYqMaF0cfRBrvO3lqwb43CWA=; b=ibaVLrghPB2eFq31ccfq0+S4rrTYuYsgvzdrl1waoUZfg5yquePzktywl4d7j1mQU/0utV ZUVF6QJXBWcqzaIsz6zTZ5kbD5EjaA0WGT/WrHAkpXcPL0OqqIztEEID+14mmBQQhX7JHV Tps23HvBwJOrP6JvOcgrExhEgBKUfhs= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-4-HA1EV8o7OLOXy-TFUmvD3g-1; Fri, 13 Dec 2019 13:48:08 -0500 X-MC-Unique: HA1EV8o7OLOXy-TFUmvD3g-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 36A0D911EA; Fri, 13 Dec 2019 18:48:07 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-117-123.ams2.redhat.com [10.36.117.123]) by smtp.corp.redhat.com (Postfix) with ESMTP id F183B60BB3; Fri, 13 Dec 2019 18:48:02 +0000 (UTC) From: Stefano Garzarella To: davem@davemloft.net Cc: Stefano Garzarella , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org, Stefan Hajnoczi Subject: [PATCH net 0/2] vsock/virtio: fix null-pointer dereference and related precautions Date: Fri, 13 Dec 2019 19:47:59 +0100 Message-Id: <20191213184801.486675-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Content-Transfer-Encoding: quoted-printable Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series mainly solves a possible null-pointer dereference in virtio_transport_recv_listen() introduced with the multi-transport support [PATCH 1]. PATCH 2 adds a WARN_ON check for the same potential issue and a returned error in the virtio_transport_send_pkt_info() function to avoid crashing the kernel. Stefano Garzarella (2): vsock/virtio: fix null-pointer dereference in virtio_transport_recv_listen() vsock/virtio: add WARN_ON check on virtio_transport_get_ops() net/vmw_vsock/virtio_transport_common.c | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) --=20 2.23.0