// https://syzkaller.appspot.com/bug?id=f8081fae326f20879281ccfac402909dfd5b18ec
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <errno.h>
#include <pthread.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/prctl.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}

#include <stdint.h>
#include <string.h>

const int kFailStatus = 67;
const int kRetryStatus = 69;

static void fail(const char* msg, ...)
{
  int e = errno;
  va_list args;
  va_start(args, msg);
  vfprintf(stderr, msg, args);
  va_end(args);
  fprintf(stderr, " (errno %d)\n", e);
  doexit((e == ENOMEM || e == EAGAIN) ? kRetryStatus : kFailStatus);
}

static uint64_t current_time_ms()
{
  struct timespec ts;

  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    fail("clock_gettime failed");
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static void test();

void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      fail("clone failed");
    if (pid == 0) {
      prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
      setpgrp();
      test();
      doexit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      int res = waitpid(-1, &status, __WALL | WNOHANG);
      if (res == pid)
        break;
      usleep(1000);
      if (current_time_ms() - start > 5 * 1000) {
        kill(-pid, SIGKILL);
        kill(pid, SIGKILL);
        while (waitpid(-1, &status, __WALL) != pid) {
        }
        break;
      }
    }
  }
}

long r[68];
void* thr(void* arg)
{
  switch ((long)arg) {
  case 0:
    r[0] = syscall(__NR_mmap, 0x20000000ul, 0x2e8000ul, 0x3ul, 0x32ul,
                   0xfffffffffffffffful, 0x0ul);
    break;
  case 1:
    r[1] = syscall(__NR_socket, 0x26ul, 0x5ul, 0x0ul);
    break;
  case 2:
    *(uint16_t*)0x20269000 = (uint16_t)0x26;
    memcpy((void*)0x20269002,
           "\x61\x65\x61\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
           14);
    *(uint32_t*)0x20269010 = (uint32_t)0x0;
    *(uint32_t*)0x20269014 = (uint32_t)0x0;
    memcpy((void*)0x20269018,
           "\x67\x63\x6d\x28\x61\x65\x73\x29\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\x00\x00\x00\x00\x00\x00\x00\x00",
           64);
    r[7] = syscall(__NR_bind, r[1], 0x20269000ul, 0x58ul);
    break;
  case 3:
    r[8] = syscall(__NR_accept, r[1], 0x0ul, 0x0ul);
    break;
  case 4:
    memcpy((void*)0x20001000, "\xa2\x33\x64\xfd\x5e\x58\x0e\xf2\x4d\x71"
                              "\xa1\x9d\xd9\x3f\xc7\x27",
           16);
    r[10] = syscall(__NR_setsockopt, r[1], 0x117ul, 0x1ul, 0x20001000ul,
                    0x10ul);
    break;
  case 5:
    *(uint64_t*)0x20166000 = (uint64_t)0x0;
    *(uint32_t*)0x20166008 = (uint32_t)0x0;
    *(uint64_t*)0x20166010 = (uint64_t)0x2019f000;
    *(uint64_t*)0x20166018 = (uint64_t)0x0;
    *(uint64_t*)0x20166020 = (uint64_t)0x20282fb8;
    *(uint64_t*)0x20166028 = (uint64_t)0x18;
    *(uint32_t*)0x20166030 = (uint32_t)0x4008000;
    *(uint64_t*)0x20282fb8 = (uint64_t)0x18;
    *(uint32_t*)0x20282fc0 = (uint32_t)0x117;
    *(uint32_t*)0x20282fc4 = (uint32_t)0x3;
    *(uint32_t*)0x20282fc8 = (uint32_t)0x1;
    r[22] = syscall(__NR_sendmsg, r[8], 0x20166000ul, 0x44000ul);
    break;
  case 6:
    r[23] = syscall(__NR_mmap, 0x202e8000ul, 0x1000ul, 0x3ul, 0x32ul,
                    0xfffffffffffffffful, 0x0ul);
    break;
  case 7:
    r[24] = syscall(__NR_mmap, 0x202e8000ul, 0x1000ul, 0x3ul, 0x32ul,
                    0xfffffffffffffffful, 0x0ul);
    break;
  case 8:
    r[25] = syscall(__NR_mmap, 0x202e8000ul, 0x1000ul, 0x3ul, 0x32ul,
                    0xfffffffffffffffful, 0x0ul);
    break;
  case 9:
    *(uint64_t*)0x2018e000 = (uint64_t)0x0;
    *(uint32_t*)0x2018e008 = (uint32_t)0x0;
    *(uint64_t*)0x2018e010 = (uint64_t)0x202e8fe0;
    *(uint64_t*)0x2018e018 = (uint64_t)0x2;
    *(uint64_t*)0x2018e020 = (uint64_t)0x202e8fa0;
    *(uint64_t*)0x2018e028 = (uint64_t)0x60;
    *(uint32_t*)0x2018e030 = (uint32_t)0x20008001;
    *(uint64_t*)0x202e8fe0 = (uint64_t)0x202c2fcc;
    *(uint64_t*)0x202e8fe8 = (uint64_t)0x0;
    *(uint64_t*)0x202e8ff0 = (uint64_t)0x202e8000;
    *(uint64_t*)0x202e8ff8 = (uint64_t)0x0;
    *(uint64_t*)0x202e8fa0 = (uint64_t)0x18;
    *(uint32_t*)0x202e8fa8 = (uint32_t)0x117;
    *(uint32_t*)0x202e8fac = (uint32_t)0x3;
    *(uint32_t*)0x202e8fb0 = (uint32_t)0x1;
    *(uint64_t*)0x202e8fb8 = (uint64_t)0x18;
    *(uint32_t*)0x202e8fc0 = (uint32_t)0x117;
    *(uint32_t*)0x202e8fc4 = (uint32_t)0x3;
    *(uint32_t*)0x202e8fc8 = (uint32_t)0x0;
    *(uint64_t*)0x202e8fd0 = (uint64_t)0x18;
    *(uint32_t*)0x202e8fd8 = (uint32_t)0x117;
    *(uint32_t*)0x202e8fdc = (uint32_t)0x4;
    *(uint32_t*)0x202e8fe0 = (uint32_t)0x609000000000000;
    *(uint64_t*)0x202e8fe8 = (uint64_t)0x18;
    *(uint32_t*)0x202e8ff0 = (uint32_t)0x117;
    *(uint32_t*)0x202e8ff4 = (uint32_t)0x4;
    *(uint32_t*)0x202e8ff8 = (uint32_t)0x8;
    r[53] = syscall(__NR_sendmsg, r[8], 0x2018e000ul, 0x0ul);
    break;
  case 10:
    *(uint64_t*)0x20222fc8 = (uint64_t)0x20284000;
    *(uint32_t*)0x20222fd0 = (uint32_t)0x10;
    *(uint64_t*)0x20222fd8 = (uint64_t)0x20284000;
    *(uint64_t*)0x20222fe0 = (uint64_t)0x3;
    *(uint64_t*)0x20222fe8 = (uint64_t)0x20205fc4;
    *(uint64_t*)0x20222ff0 = (uint64_t)0x0;
    *(uint32_t*)0x20222ff8 = (uint32_t)0xc;
    *(uint64_t*)0x20284000 = (uint64_t)0x20283000;
    *(uint64_t*)0x20284008 = (uint64_t)0x0;
    *(uint64_t*)0x20284010 = (uint64_t)0x20068fce;
    *(uint64_t*)0x20284018 = (uint64_t)0x0;
    *(uint64_t*)0x20284020 = (uint64_t)0x200cc000;
    *(uint64_t*)0x20284028 = (uint64_t)0x3d;
    r[67] = syscall(__NR_recvmsg, r[8], 0x20222fc8ul, 0x2000ul);
    break;
  }
  return 0;
}

void test()
{
  long i;
  pthread_t th[22];

  memset(r, -1, sizeof(r));
  srand(getpid());
  for (i = 0; i < 11; i++) {
    pthread_create(&th[i], 0, thr, (void*)i);
    usleep(rand() % 10000);
  }
  for (i = 0; i < 11; i++) {
    pthread_create(&th[11 + i], 0, thr, (void*)i);
    if (rand() % 2)
      usleep(rand() % 10000);
  }
  usleep(rand() % 100000);
}

int main()
{
  int i;
  for (i = 0; i < 8; i++) {
    if (fork() == 0) {
      loop();
      return 0;
    }
  }
  sleep(1000000);
  return 0;
}