From patchwork Tue Aug 11 09:55:02 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefano Garzarella X-Patchwork-Id: 1343232 Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=Vek8bieF; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4BQp9T6vSCz9sTS for ; Tue, 11 Aug 2020 19:55:25 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728509AbgHKJzX (ORCPT ); Tue, 11 Aug 2020 05:55:23 -0400 Received: from us-smtp-2.mimecast.com ([207.211.31.81]:26672 "EHLO us-smtp-delivery-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728423AbgHKJzW (ORCPT ); Tue, 11 Aug 2020 05:55:22 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1597139721; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=ARUSqSkquuJlHefVM/we7tLn6Y34P6IHwTWPXDZ/fcc=; b=Vek8bieFTN0kMDtYi4Z5vUYw7J5+Xy7EVZao0lxF32Uluzd4YGMkiONY8w//WwRgHeqyWg VefF/0InmbkuVXIQtyYqB4Wqpnb7mh6IGrUlQOX9qcjyfESd4E+i2ZmEcHnQ9T9vjbyeGd 4Km3ZC70iOU8BOiK4d8ArgXPDhFpeZs= 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-125-QD2RIGNDOhCl7Iw_ou2VIg-1; Tue, 11 Aug 2020 05:55:19 -0400 X-MC-Unique: QD2RIGNDOhCl7Iw_ou2VIg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 7BB4857; Tue, 11 Aug 2020 09:55:18 +0000 (UTC) Received: from steredhat.redhat.com (ovpn-113-182.ams2.redhat.com [10.36.113.182]) by smtp.corp.redhat.com (Postfix) with ESMTP id 04F3F5D9FC; Tue, 11 Aug 2020 09:55:05 +0000 (UTC) From: Stefano Garzarella To: davem@davemloft.net Cc: Jorgen Hansen , Stefano Garzarella , netdev@vger.kernel.org, Jakub Kicinski , Dexuan Cui , linux-kernel@vger.kernel.org, Stefan Hajnoczi Subject: [PATCH net 0/2] vsock: fix null pointer dereference and cleanup in vsock_poll() Date: Tue, 11 Aug 2020 11:55:02 +0200 Message-Id: <20200811095504.25051-1-sgarzare@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The first patch fixes a potential null pointer dereference in vsock_poll() reported by syzbot. The second patch is a simple cleanup in the same block code. I put this later, to make it easier to backport the first patch in the stable branches. Thanks, Stefano Stefano Garzarella (2): vsock: fix potential null pointer dereference in vsock_poll() vsock: small cleanup in vsock_poll() net/vmw_vsock/af_vsock.c | 27 ++++++++++++--------------- 1 file changed, 12 insertions(+), 15 deletions(-)