/*
* Copyright (C) 2017 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 and
* limitations under the License.
*/
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <pthread.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <semaphore.h>
#include <sys/socket.h>
#include <sys/mman.h>
#include <signal.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <sys/utsname.h>
#include <sys/ptrace.h>
char buf[4096];
int main(int argc, char const *argv[]){
memset(buf, 0xa0, sizeof(buf));
int fd = open("/proc/asound/version", O_RDWR);
if(fd != -1){
lseek(fd, 0x1234567800000000, SEEK_SET);
write(fd, buf, sizeof(buf));
}else{
perror("open error\n");
}
close(fd);
return 0;
}