// https://syzkaller.appspot.com/bug?id=efb172979756a82d2d1429c667c30a0a10b492d4
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <ros/syscall.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

static void kill_and_wait(int pid, int* status)
{
  kill(pid, SIGKILL);
  while (waitpid(-1, status, 0) != pid) {
  }
}

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static void execute_one();
const char* program_name;

void child()
{
  execute_one();
  exit(0);
}

static void execute_one(void);

#define WAIT_FLAGS 0

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      execl(program_name, program_name, "child", NULL);
      exit(1);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000080, "/dev/.empty\000", 12);
  res =
      syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000080ul, 0xcul, 3ul, 0ul);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000780, "/net/ipifc/0/err\000", 17);
  res =
      syscall(SYS_openat, 0xffffffffffffff9cul, 0x20000780ul, 0x11ul, 3ul, 0ul);
  if (res != -1)
    r[1] = res;
  res = syscall(SYS_fcntl, r[0], 0ul, r[1], 0ul);
  if (res != -1)
    r[2] = res;
  memcpy((void*)0x20000040,
         "\xff\x6f\xfb\x06\x73\xac\x04\x8a\x0a\x88\xa4\x94\x91\xe9\x2b\xa0\x8d"
         "\xb1\x83\x92\xe0\x10\xd7\x05\x76\x17\x37\x64\x1f\xbf\xe1\x2d\x81\xe0"
         "\x0a\x1a\x19\xce\x99\xd7\x08\x39\xd6\x1b\x33\xef\x2c\x4c\x6a\x12\x6f"
         "\x28\x0a\xf6\xd5\x8b\x99\xd0\x12\x7b\x18\x25\xe0\x7b\x29\x11\x0d\x25"
         "\x3e\x63\x79\xd5\x25\x07\x73\x7c\x03\x95\x8e\xaf\xc9\x2c\xcf\xc2\x01"
         "\xb1\x9c\xec\x7e\x9d\xbf\x89\xf6\x56\x93\xff\xd1\x71\x82\x0a\xc2\x3a"
         "\x18\x44\x09\x51\x7f\x90\xc9\x30\xf9\xeb\x5c\x12\x24\x09\x9d\x93\x50"
         "\xd9\x60\x28\x9d\x80\x25\xc5\x7c\xd9\x25\x5f\xd3\x97\x32\x5b\xd2\x13"
         "\xe2\x09\x00\x00\x00\x00\x00\x00\x00\x8f\x73\xf7",
         148);
  syscall(SYS_write, r[2], 0x20000040ul, 0xffffff6eul);
}

int main(int argc, char** argv)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  program_name = argv[0];
  if (argc == 2 && strcmp(argv[1], "child") == 0)
    child();
  loop();
  return 0;
}