// https://syzkaller.appspot.com/bug?id=54f4ce6239e6e0d0d5583488421c6fa3ba7ed6b4
// 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();
  }
}

long r[1];
void test()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0x421000, 3, 0x32, -1, 0);
  r[0] = syscall(__NR_socket, 0x10, 3, 6);
  *(uint64_t*)0x2000b000 = 0x2000f000;
  *(uint32_t*)0x2000b008 = 0xc;
  *(uint64_t*)0x2000b010 = 0x20008000;
  *(uint64_t*)0x2000b018 = 1;
  *(uint64_t*)0x2000b020 = 0;
  *(uint64_t*)0x2000b028 = 0;
  *(uint32_t*)0x2000b030 = 0;
  *(uint16_t*)0x2000f000 = 0x10;
  *(uint16_t*)0x2000f002 = 0;
  *(uint32_t*)0x2000f004 = 0;
  *(uint32_t*)0x2000f008 = 0;
  *(uint64_t*)0x20008000 = 0x2000bcc4;
  *(uint64_t*)0x20008008 = 0x138;
  *(uint32_t*)0x2000bcc4 = 0x138;
  *(uint16_t*)0x2000bcc8 = 0x10;
  *(uint16_t*)0x2000bcca = 0x713;
  *(uint32_t*)0x2000bccc = 0;
  *(uint32_t*)0x2000bcd0 = 0;
  *(uint8_t*)0x2000bcd4 = 0;
  *(uint8_t*)0x2000bcd5 = 0;
  *(uint8_t*)0x2000bcd6 = 0;
  *(uint8_t*)0x2000bcd7 = 0;
  *(uint8_t*)0x2000bcd8 = 0;
  *(uint8_t*)0x2000bcd9 = 0;
  *(uint8_t*)0x2000bcda = 0;
  *(uint8_t*)0x2000bcdb = 0;
  *(uint8_t*)0x2000bcdc = 0;
  *(uint8_t*)0x2000bcdd = 0;
  *(uint8_t*)0x2000bcde = 0;
  *(uint8_t*)0x2000bcdf = 0;
  *(uint8_t*)0x2000bce0 = 0;
  *(uint8_t*)0x2000bce1 = 0;
  *(uint8_t*)0x2000bce2 = 0;
  *(uint8_t*)0x2000bce3 = 0;
  *(uint32_t*)0x2000bce4 = htobe32(0xe0000002);
  *(uint16_t*)0x2000bcf4 = 0;
  *(uint16_t*)0x2000bcf6 = htobe16(0);
  *(uint16_t*)0x2000bcf8 = 0;
  *(uint16_t*)0x2000bcfa = htobe16(0);
  *(uint16_t*)0x2000bcfc = 0;
  *(uint8_t*)0x2000bcfe = 0;
  *(uint8_t*)0x2000bcff = 0;
  *(uint8_t*)0x2000bd00 = 0;
  *(uint32_t*)0x2000bd04 = 0;
  *(uint32_t*)0x2000bd08 = 0;
  *(uint32_t*)0x2000bd0c = htobe32(0x7f000001);
  *(uint32_t*)0x2000bd1c = 0;
  *(uint8_t*)0x2000bd20 = 0x6c;
  *(uint64_t*)0x2000bd24 = htobe64(0);
  *(uint64_t*)0x2000bd2c = htobe64(1);
  *(uint64_t*)0x2000bd34 = 0;
  *(uint64_t*)0x2000bd3c = 0;
  *(uint64_t*)0x2000bd44 = 0;
  *(uint64_t*)0x2000bd4c = 0;
  *(uint64_t*)0x2000bd54 = 0;
  *(uint64_t*)0x2000bd5c = 0;
  *(uint64_t*)0x2000bd64 = 0;
  *(uint64_t*)0x2000bd6c = 0;
  *(uint64_t*)0x2000bd74 = 0;
  *(uint64_t*)0x2000bd7c = 0;
  *(uint64_t*)0x2000bd84 = 0;
  *(uint64_t*)0x2000bd8c = 0;
  *(uint32_t*)0x2000bd94 = 0;
  *(uint32_t*)0x2000bd98 = 0;
  *(uint32_t*)0x2000bd9c = 0;
  *(uint32_t*)0x2000bda0 = 0;
  *(uint32_t*)0x2000bda4 = 0;
  *(uint16_t*)0x2000bda8 = 0xa;
  *(uint8_t*)0x2000bdaa = 0;
  *(uint8_t*)0x2000bdab = 0;
  *(uint8_t*)0x2000bdac = 0;
  *(uint16_t*)0x2000bdb4 = 0x48;
  *(uint16_t*)0x2000bdb6 = 3;
  memcpy((void*)0x2000bdb8,
         "\x64\x65\x66\x6c\x61\x74\x65\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\xf1\xff\xff\xff\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         64);
  *(uint32_t*)0x2000bdf8 = 0;
  syscall(__NR_sendmsg, r[0], 0x2000b000, 0);
}

int main()
{
  char* cwd = get_current_dir_name();
  for (;;) {
    if (chdir(cwd))
      fail("failed to chdir");
    use_temporary_dir();
    loop();
  }
}