// https://syzkaller.appspot.com/bug?id=45d463e3ae38f3c38f2c82f0a8c6a2c1c8ce7457
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

unsigned long long procid;

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

#ifndef SYS_mmap
#define SYS_mmap 197
#endif
#ifndef SYS_sendto
#define SYS_sendto 133
#endif
#ifndef SYS_socket
#define SYS_socket 394
#endif

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(SYS_socket, 0x11ul, 3ul, 0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000000,
         "\xb1\x00\x05\x04\x00\x00\x00\x00\x00\x00\x08\x00\x01\x01\x00\x00\x00"
         "\x00\x00\x00\xce\xa1\xfe\xa7\xfe\xf9\x6e\xcf\xc7\x3f\xd3\x35\x7a\xe2"
         "\x6c\xaa\x04\x16\xfa\x4f\x37\x63\x36\xac\xf0\x0b\x78\x04\xbe\x78\x1e"
         "\x49\x91\xf7\xc8\xdf\x5f\x88\x2b\x29\x7b\xe1\xaa\x5b\x23\xed\x20\xf4"
         "\xc8\xb2\xca\x3e\xbb\xc2\x57\x69\x9a\x1f\x13\x2e\x27\xac\xbd\xd6\x02"
         "\x00\x0d\x7d\x02\x6b\xa8\xaf\x63\xff\x37\x28\x29\x02\xe4\xfd\x89\x72"
         "\x0f\xd3\x87\x2b\xab\xfb\xb7\x70\xc1\xf5\xa8\x72\xc8\x81\xff\x7c\xc5"
         "\x3c\x89\x43\x31\x0b\x40\x4f\x36\xa0\x0f\x90\x00\x6e\xe0\x1b\xc4\x3e"
         "\xae\xa8\xc5\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x02\x02\x08\xa3"
         "\x71\xa3\xf8\x00\x00\x00\x00\x00\x06\x00\x01\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00",
         175);
  syscall(SYS_sendto, r[0], 0x20000000ul, 0x427ul, 2ul, 0ul,
          0xfffffffffffffe19ul);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 3ul, 0x1012ul, -1, 0ul, 0ul);
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}