// https://syzkaller.appspot.com/bug?id=2431068eb52548f20447545f1948b727e87e720a
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.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 sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

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

#define SYZ_HAVE_SETUP_TEST 1
static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
}

#define SYZ_HAVE_RESET_TEST 1
static void reset_test()
{
  int fd;
  for (fd = 3; fd < 30; fd++)
    close(fd);
}

static void execute_one();

#define WAIT_FLAGS __WALL

static void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      reset_test();
      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(-pid, SIGKILL);
      kill(pid, SIGKILL);
      while (waitpid(-1, &status, WAIT_FLAGS) != pid) {
      }
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one()
{
  long res = 0;
  memcpy((void*)0x20000080, "./file0", 8);
  syscall(__NR_stat, 0x20000080, 0x200000c0);
  res = syscall(__NR_socket, 2, 1, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000040 = 0;
  *(uint8_t*)0x20000044 = 0xac;
  *(uint8_t*)0x20000045 = 0x14;
  *(uint8_t*)0x20000046 = 0x14;
  *(uint8_t*)0x20000047 = 0xbb;
  *(uint16_t*)0x20000048 = htobe16(0x4e20);
  *(uint32_t*)0x2000004c = 3;
  memcpy((void*)0x20000050,
         "\x64\x68\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         16);
  *(uint32_t*)0x20000060 = 8;
  *(uint32_t*)0x20000064 = -1;
  *(uint32_t*)0x20000068 = htobe32(0x37ffc);
  syscall(__NR_setsockopt, r[0], 0, 0x60, 0x20000040, 0x2c);
}
int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  for (procid = 0; procid < 8; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}