// https://syzkaller.appspot.com/bug?id=ec69610f74e78616269c2ec8f697d8efc701a31c
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <sys/syscall.h>
#include <unistd.h>

__attribute__((noreturn)) static void doexit(int status)
{
  volatile unsigned i;
  syscall(__NR_exit_group, status);
  for (i = 0;; i++) {
  }
}
#include <errno.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.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 void use_temporary_dir()
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    fail("failed to mkdtemp");
  if (chmod(tmpdir, 0777))
    fail("failed to chmod");
  if (chdir(tmpdir))
    fail("failed to chdir");
}

static void test();

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

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};
void test()
{
  long res;
  res = syscall(__NR_socket, 0xa, 2, 0);
  if (res != -1)
    r[0] = res;
  res = syscall(__NR_socket, 0x18, 1, 1);
  if (res != -1)
    r[1] = res;
  *(uint16_t*)0x205fafd2 = 0x18;
  *(uint32_t*)0x205fafd4 = 1;
  *(uint32_t*)0x205fafd8 = 0;
  *(uint32_t*)0x205fafdc = r[0];
  *(uint16_t*)0x205fafe0 = 2;
  *(uint16_t*)0x205fafe2 = htobe16(0x4e21);
  *(uint8_t*)0x205fafe4 = 0xac;
  *(uint8_t*)0x205fafe5 = 0x14;
  *(uint8_t*)0x205fafe6 = 0;
  *(uint8_t*)0x205fafe7 = 0xbb;
  *(uint8_t*)0x205fafe8 = 0;
  *(uint8_t*)0x205fafe9 = 0;
  *(uint8_t*)0x205fafea = 0;
  *(uint8_t*)0x205fafeb = 0;
  *(uint8_t*)0x205fafec = 0;
  *(uint8_t*)0x205fafed = 0;
  *(uint8_t*)0x205fafee = 0;
  *(uint8_t*)0x205fafef = 0;
  *(uint32_t*)0x205faff0 = 4;
  *(uint32_t*)0x205faff4 = 0;
  *(uint32_t*)0x205faff8 = 2;
  *(uint32_t*)0x205faffc = 0;
  syscall(__NR_connect, r[1], 0x205fafd2, 0x2e);
  *(uint16_t*)0x20000000 = 0xa;
  *(uint16_t*)0x20000002 = htobe16(0x4e21);
  *(uint32_t*)0x20000004 = 0xb6;
  *(uint8_t*)0x20000008 = 0;
  *(uint8_t*)0x20000009 = 0;
  *(uint8_t*)0x2000000a = 0;
  *(uint8_t*)0x2000000b = 0;
  *(uint8_t*)0x2000000c = 0;
  *(uint8_t*)0x2000000d = 0;
  *(uint8_t*)0x2000000e = 0;
  *(uint8_t*)0x2000000f = 0;
  *(uint8_t*)0x20000010 = 0;
  *(uint8_t*)0x20000011 = 0;
  *(uint8_t*)0x20000012 = -1;
  *(uint8_t*)0x20000013 = -1;
  *(uint8_t*)0x20000014 = 0xac;
  *(uint8_t*)0x20000015 = 0x14;
  *(uint8_t*)0x20000016 = 0x14;
  *(uint8_t*)0x20000017 = 0x19;
  *(uint32_t*)0x20000018 = 3;
  syscall(__NR_connect, r[0], 0x20000000, 0x1c);
  *(uint64_t*)0x20002540 = 0x200001c0;
  *(uint16_t*)0x200001c0 = 0xa;
  *(uint16_t*)0x200001c2 = htobe16(0x4e24);
  *(uint32_t*)0x200001c4 = 0;
  *(uint8_t*)0x200001c8 = -1;
  *(uint8_t*)0x200001c9 = 1;
  *(uint8_t*)0x200001ca = 0;
  *(uint8_t*)0x200001cb = 0;
  *(uint8_t*)0x200001cc = 0;
  *(uint8_t*)0x200001cd = 0;
  *(uint8_t*)0x200001ce = 0;
  *(uint8_t*)0x200001cf = 0;
  *(uint8_t*)0x200001d0 = 0;
  *(uint8_t*)0x200001d1 = 0;
  *(uint8_t*)0x200001d2 = 0;
  *(uint8_t*)0x200001d3 = 0;
  *(uint8_t*)0x200001d4 = 0;
  *(uint8_t*)0x200001d5 = 0;
  *(uint8_t*)0x200001d6 = 0;
  *(uint8_t*)0x200001d7 = 1;
  *(uint32_t*)0x200001d8 = 2;
  *(uint32_t*)0x20002548 = 0x1c;
  *(uint64_t*)0x20002550 = 0x20002480;
  *(uint64_t*)0x20002480 = 0x20000200;
  *(uint64_t*)0x20002488 = 0;
  *(uint64_t*)0x20002490 = 0x20002340;
  *(uint64_t*)0x20002498 = 0;
  *(uint64_t*)0x20002558 = 2;
  *(uint64_t*)0x20002560 = 0x20002500;
  *(uint64_t*)0x20002568 = 0;
  *(uint32_t*)0x20002570 = 0x14;
  syscall(__NR_sendmsg, r[1], 0x20002540, 0xc045);
  *(uint32_t*)0x20000080 = 0;
  *(uint32_t*)0x20000084 = 0;
  *(uint32_t*)0x20000088 = 0;
  *(uint32_t*)0x2000008c = 0xfffffffa;
  *(uint32_t*)0x20000090 = 0;
  *(uint32_t*)0x20000094 = 0;
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  char* cwd = get_current_dir_name();
  for (;;) {
    if (chdir(cwd))
      fail("failed to chdir");
    use_temporary_dir();
    loop();
  }
}