From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 54F5D1094A for ; Mon, 3 Jul 2023 18:57:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5110C433C7; Mon, 3 Jul 2023 18:57:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1688410640; bh=SQkxJQPpEoXsYN8uXI2Yp8/mudTare+65+7ev+fGP9A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DzT258aNR9vahmamLgnh9GtaPOxN8skVPe9r2GZqSQXHEGnAz0OZS3qr8H6WmQDcx GeLr4yhOjok+DcqIjhrQZ054UmP0l8qmxitUlEJBkR3bdVbPa+V7UHDEA2jQ84Zp24 yAsPwMnkYAf6ulEwiKSV3dyqEGLJnB8wBBcPJ08c= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bas Nieuwenhuizen , Alex Deucher Subject: [PATCH 5.15 15/15] drm/amdgpu: Validate VM ioctl flags. Date: Mon, 3 Jul 2023 20:55:00 +0200 Message-ID: <20230703184519.307719602@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703184518.896751186@linuxfoundation.org> References: <20230703184518.896751186@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 @@ -3274,6 +3274,10 @@ int amdgpu_vm_ioctl(struct drm_device *d long timeout = msecs_to_jiffies(2000); int r; + /* No valid flags defined yet */ + if (args->in.flags) + return -EINVAL; + switch (args->in.op) { case AMDGPU_VM_OP_RESERVE_VMID: /* We only have requirement to reserve vmid from gfxhub */