// https://syzkaller.appspot.com/bug?id=d8a54d453b8e643b807a5c3c56728561f01c0fde
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <sys/types.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/endian.h>
#include <sys/syscall.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

static 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 = 0;
  for (;; 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 < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  res = syscall(SYS_socket, 0x1cul, 1ul, 0x84);
  if (res != -1)
    r[0] = res;
  *(uint8_t*)0x20000000 = 0x1c;
  *(uint8_t*)0x20000001 = 0x1c;
  *(uint16_t*)0x20000002 = htobe16(0x4e22 + procid * 4);
  *(uint32_t*)0x20000004 = 0;
  memset((void*)0x20000008, 0, 16);
  *(uint32_t*)0x20000018 = 0;
  syscall(SYS_bind, r[0], 0x20000000ul, 0x1cul);
  *(uint8_t*)0x20000100 = 0x1c;
  *(uint8_t*)0x20000101 = 0x1c;
  *(uint16_t*)0x20000102 = htobe16(0x4e22 + procid * 4);
  *(uint32_t*)0x20000104 = 0;
  *(uint64_t*)0x20000108 = htobe64(0);
  *(uint64_t*)0x20000110 = htobe64(1);
  *(uint32_t*)0x20000118 = 0;
  syscall(SYS_connect, r[0], 0x20000100ul, 0x1cul);
  *(uint32_t*)0x20000140 = 0x100003;
  syscall(SYS_setsockopt, r[0], 0x84, 0x1b, 0x20000140ul, 4ul);
  memcpy(
      (void*)0x200001c0,
      "\x8a\xc4\x40\x05\x4f\x1e\x1d\x62\xcc\xd8\x8c\xdd\x16\x52\x8b\x84\x38\xf5"
      "\xcb\x0e\xfa\x6b\x40\x99\xca\xc4\x66\x2a\x02\x9f\xdb\x82\xbb\xaa\xca\xbd"
      "\x36\xab\xdf\x52\x45\x5b\x6b\xe8\x53\xc7\xcc\x5a\x39\x52\x9c\xcc\x82\xc0"
      "\x30\x51\xcd\x81\x2f\x3a\xed\xe2\x18\xcd\x5a\xf6\xd2\x80\x46\x21\x50\x2c"
      "\x28\x78\x5c\xe4\x4c\x8e\xc8\xa4\x05\x39\x71\x91\x07\xd0\xdf\x77\xd5\xa5"
      "\xff\x5b\x43\x9e\xc1\xb3\x3d\xaa\x9f\x47\xf4\x05\x73\x3e\x10\x3e\x03\xf3"
      "\x91\xf3\x10\x3f\x25\x93\x1a\x92\xa4\x03\x64\x08\xf3\xd9\xd7\x31\xb8\x2b"
      "\x19\x16\x08\xc7\xcd\x2f\xd4\xfa\x7d\x58\xce\x63\x82\x64\xc8\x1a\xa6",
      143);
  syscall(SYS_sendto, r[0], 0x200001c0ul, 0x81a3d964ul, 0x81ul, 0ul, 0ul);
  syscall(SYS_shutdown, r[0], 0ul);
}
int main(void)
{
  syscall(SYS_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x1012ul, -1, 0ul);
  for (procid = 0; procid < 4; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}