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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9E4F9EB64DD for ; Wed, 9 Aug 2023 11:13:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233350AbjHILNN (ORCPT ); Wed, 9 Aug 2023 07:13:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233342AbjHILNN (ORCPT ); Wed, 9 Aug 2023 07:13:13 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 92C441724 for ; Wed, 9 Aug 2023 04:13:12 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 31FC962347 for ; Wed, 9 Aug 2023 11:13:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 451B3C433C7; Wed, 9 Aug 2023 11:13:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691579591; bh=cBKJ0jiyEr6EMLhdj5dbQalK6ZwAz6XniFgjIFHT+5Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ljK4yY8QRAyCYdMQQiJOlH4/A1WXG+8+wqehd+jWYaboMNp4uQ0IFQFW3KhKn8QMN KxMp1USr5z5eTJZvQKnLO3Gl+6ml0hQ0fLBy2Ue2kTuSZAZgjpfteYkVQ2oKdla3r0 DxuoJ8s7wikEXzFVlCIMUg5+8xepX4ppKT9hwZEw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bas Nieuwenhuizen , Alex Deucher Subject: [PATCH 4.19 007/323] drm/amdgpu: Validate VM ioctl flags. Date: Wed, 9 Aug 2023 12:37:25 +0200 Message-ID: <20230809103658.429551274@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809103658.104386911@linuxfoundation.org> References: <20230809103658.104386911@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Bas Nieuwenhuizen commit a2b308044dcaca8d3e580959a4f867a1d5c37fac upstream. None have been defined yet, so reject anybody setting any. Mesa sets it to 0 anyway. Signed-off-by: Bas Nieuwenhuizen Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2989,6 +2989,10 @@ int amdgpu_vm_ioctl(struct drm_device *d struct amdgpu_fpriv *fpriv = filp->driver_priv; int r; + /* No valid flags defined yet */ + if (args->in.flags) + return -EINVAL; + switch (args->in.op) { case AMDGPU_VM_OP_RESERVE_VMID: /* current, we only have requirement to reserve vmid from gfxhub */