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 2A259259D for ; Mon, 3 Jul 2023 18:55:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 49F0EC433C7; Mon, 3 Jul 2023 18:55:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1688410531; bh=pA253XFsMNzz1JCmEIBsnV0Dn561gkQ4buNSfW8wB40=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JVXA8xfDWu4+tjMZvixjPdRqRFZvc+FevEDws7h44LhnpwP3uWB1Lv6UiMvbU0ZtZ 6RMF5WbDhh8pOsUwnzuXRqO3ElRpoq0XGv1J/hcA4656jcGBkym/xD+4BCK2VfqW6F /e5S08fMCZIhOpRCprrDSGC9AzkaO6bCOKuHYtVw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bas Nieuwenhuizen , Alex Deucher Subject: [PATCH 6.4 13/13] drm/amdgpu: Validate VM ioctl flags. Date: Mon, 3 Jul 2023 20:54:14 +0200 Message-ID: <20230703184519.659846221@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230703184519.261119397@linuxfoundation.org> References: <20230703184519.261119397@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 @@ -2368,6 +2368,10 @@ 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: /* We only have requirement to reserve vmid from gfxhub */