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=-7.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED autolearn=ham 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 1C611C282CE for ; Tue, 4 Jun 2019 12:38:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E6046240B7 for ; Tue, 4 Jun 2019 12:38:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559651938; bh=Qq1RYRKkC2rElTe08z9CkMNZuC3DnBSInGjdc4VtTyM=; h=Subject:To:Cc:From:Date:List-ID:From; b=ohZRiSn6PMFRXD+uuHjDNjMRVzAa4rvBVC09Dq55nnnI1ub5sH5a1ZYC5/o0f653X I31qiepFjrh+n5PL5eidTYYPptxeLrFkoIdykoQIVGwnsfUEmEViqt/2h/x603d7aQ SJvYb74+K1D2FWDR5z6Cq4MFGjPoQ9Gdqbxm1ecY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727358AbfFDMi5 (ORCPT ); Tue, 4 Jun 2019 08:38:57 -0400 Received: from out5-smtp.messagingengine.com ([66.111.4.29]:49739 "EHLO out5-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727841AbfFDMi4 (ORCPT ); Tue, 4 Jun 2019 08:38:56 -0400 Received: from compute6.internal (compute6.nyi.internal [10.202.2.46]) by mailout.nyi.internal (Postfix) with ESMTP id 2A1D522348; Tue, 4 Jun 2019 08:38:55 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute6.internal (MEProxy); Tue, 04 Jun 2019 08:38:55 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:content-type :date:from:message-id:mime-version:subject:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; bh=GIEtWb 9NLenNM7oFCpF/ChxE1aCQL4hPAIQcso2rlPY=; b=42z3MFaJprK040kCt2h3K1 rrkJXnaSFl7RBREf3Ypt5FGnhEUaO6ioqqgMfU01u4ue+2bs1DUDfumOr1eGTp6I A++RjjAvjVVdNEmMGDWD1hZ5Cbwo9g4adfsRUC2sACACXIp3D0GcrggDi/cFQVYi bG4YMa0zra0iz7aIkipsgMyD0NjkvVr1vZeadVshypZYDTy/Tg1c7tsDGpB6WLbr 9diRcoUdGmO9G/YmE9jl9jTLXwabWCf/WhnYyWNqfQhwJU8wgp9FXJsBnZNaNM/B eJKGz7rdEumcem509/PbWetErcDFuELbN61JbVeq08R/K8ot0m76GDyev5DQnPNQ == X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgeduuddrudefledgheehucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefuvffhfffkgggtgfesthekredttd dtlfenucfhrhhomhepoehgrhgvghhkhheslhhinhhugihfohhunhgurghtihhonhdrohhr gheqnecukfhppeekfedrkeeirdekledruddtjeenucfrrghrrghmpehmrghilhhfrhhomh epghhrvghgsehkrhhorghhrdgtohhmnecuvehluhhsthgvrhfuihiivgepie X-ME-Proxy: Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) by mail.messagingengine.com (Postfix) with ESMTPA id 9DD9480064; Tue, 4 Jun 2019 08:38:54 -0400 (EDT) Subject: FAILED: patch "[PATCH] drm/vmwgfx: integer underflow in vmw_cmd_dx_set_shader()" failed to apply to 4.4-stable tree To: murray.mcallister@gmail.com, stable@vger.kernel.org, thellstrom@vmware.com Cc: From: Date: Tue, 04 Jun 2019 14:38:42 +0200 Message-ID: <155965192225453@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ANSI_X3.4-1968 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org The patch below does not apply to the 4.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to . thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 5ed7f4b5eca11c3c69e7c8b53e4321812bc1ee1e Mon Sep 17 00:00:00 2001 From: Murray McAllister Date: Mon, 20 May 2019 21:57:34 +1200 Subject: [PATCH] drm/vmwgfx: integer underflow in vmw_cmd_dx_set_shader() leading to an invalid read If SVGA_3D_CMD_DX_SET_SHADER is called with a shader ID of SVGA3D_INVALID_ID, and a shader type of SVGA3D_SHADERTYPE_INVALID, the calculated binding.shader_slot will be 4294967295, leading to an out-of-bounds read in vmw_binding_loc() when the offset is calculated. Cc: Fixes: d80efd5cb3de ("drm/vmwgfx: Initial DX support") Signed-off-by: Murray McAllister Reviewed-by: Thomas Hellstrom Signed-off-by: Thomas Hellstrom diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index b4c7553d2814..33533d126277 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -2206,7 +2206,8 @@ static int vmw_cmd_dx_set_shader(struct vmw_private *dev_priv, cmd = container_of(header, typeof(*cmd), header); - if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX) { + if (cmd->body.type >= SVGA3D_SHADERTYPE_DX10_MAX || + cmd->body.type < SVGA3D_SHADERTYPE_MIN) { VMW_DEBUG_USER("Illegal shader type %u.\n", (unsigned int) cmd->body.type); return -EINVAL;