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 536A8171A6 for ; Wed, 9 Aug 2023 11:02:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7642C433C8; Wed, 9 Aug 2023 11:02:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691578933; bh=PJm1jLcCLU2IAKB8lg4Ibyd4e30cRAj79dScY5xtqEk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KPpTrmrHfcFE8LXQNwe+qQc5wtUcwFQs4f56FiiPfz4HHEzl2s0IpiMOvJA08IX9D j52nmnwu9vxSfkGxuTCZ1YldifzS0I3JX8Nxzd6Xy4cP7n9YUENVAxP48k0ERUeCA9 CiVKxO/JOqvUzq3Nn/5s/lSMzZPZ/8pB4tVyA5Pc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Bas Nieuwenhuizen , Alex Deucher Subject: [PATCH 4.14 007/204] drm/amdgpu: Validate VM ioctl flags. Date: Wed, 9 Aug 2023 12:39:05 +0200 Message-ID: <20230809103642.813575642@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809103642.552405807@linuxfoundation.org> References: <20230809103642.552405807@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 @@ -2712,6 +2712,10 @@ 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 */