// https://syzkaller.appspot.com/bug?id=d9954158f07957a488b97187b80eb1ed2e2698c9
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <pthread.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>

static void test();

void loop()
{
  while (1) {
    test();
  }
}

long r[4];
void* thr(void* arg)
{
  switch ((long)arg) {
  case 0:
    r[0] = syscall(__NR_mmap, 0x2092d000ul, 0x400000ul, 0x80000002ul,
                   0x8972ul, 0xfffffffffffffffful, 0x0ul);
    break;
  case 1:
    r[1] = syscall(__NR_mremap, 0x20ba3000ul, 0x3000ul, 0x2000ul, 0x3ul,
                   0x20b45000ul);
    break;
  case 2:
    r[2] = syscall(__NR_madvise, 0x2092d000ul, 0x400000ul,
                   0x10200000008ul);
    break;
  case 3:
    r[3] = syscall(__NR_madvise, 0x2092d000ul, 0x400000ul, 0x4ul);
    break;
  }
  return 0;
}

void test()
{
  long i;
  pthread_t th[8];

  memset(r, -1, sizeof(r));
  for (i = 0; i < 4; i++) {
    pthread_create(&th[i], 0, thr, (void*)i);
    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;
}