// https://syzkaller.appspot.com/bug?id=c82773a3bdc9c1074543b9da0e865b945a3e9ef0
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <errno.h>
#include <signal.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/mount.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 <errno.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.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 exitf(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(kRetryStatus);
}

static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* uctx)
{
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
      (addr < prog_start || addr > prog_end)) {
    _longjmp(segv_env, 1);
  }
  doexit(sig);
  for (;;) {
  }
}

static void install_segv_handler()
{
  struct sigaction sa;

  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);

  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                \
  {                                                                    \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);               \
    if (_setjmp(segv_env) == 0) {                                      \
      __VA_ARGS__;                                                     \
    }                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);               \
  }

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 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 remove_dir(const char* dir)
{
  DIR* dp;
  struct dirent* ep;
  int iter = 0;
retry:
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exitf("opendir(%s) failed due to NOFILE, exiting");
    }
    exitf("opendir(%s) failed", dir);
  }
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    struct stat st;
    if (lstat(filename, &st))
      exitf("lstat(%s) failed", filename);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exitf("unlink(%s) failed", filename);
      if (umount2(filename, MNT_DETACH))
        exitf("umount(%s) failed", filename);
    }
  }
  closedir(dp);
  int i;
  for (i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, MNT_DETACH))
          exitf("umount(%s) failed", dir);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exitf("rmdir(%s) failed", dir);
  }
}

static void test();

void loop()
{
  int iter;
  for (iter = 0;; iter++) {
    char cwdbuf[256];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      fail("failed to mkdir");
    int pid = fork();
    if (pid < 0)
      fail("loop fork failed");
    if (pid == 0) {
      prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
      setpgrp();
      if (chdir(cwdbuf))
        fail("failed to chdir");
      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;
      }
    }
    remove_dir(cwdbuf);
  }
}

long r[38];
void test()
{
  memset(r, -1, sizeof(r));
  r[0] = syscall(__NR_mmap, 0x20000000ul, 0xfff000ul, 0x3ul, 0x32ul,
                 0xfffffffffffffffful, 0x0ul);
  r[1] = syscall(__NR_socket, 0x26ul, 0x5ul, 0x0ul);
  NONFAILING(*(uint16_t*)0x20408000 = (uint16_t)0x26);
  NONFAILING(memcpy(
      (void*)0x20408002,
      "\x61\x65\x61\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 14));
  NONFAILING(*(uint32_t*)0x20408010 = (uint32_t)0x0);
  NONFAILING(*(uint32_t*)0x20408014 = (uint32_t)0x0);
  NONFAILING(memcpy((void*)0x20408018,
                    "\x70\x63\x72\x79\x70\x74\x28\x67\x63\x6d\x28\x61"
                    "\x65\x73\x29\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",
                    64));
  r[7] = syscall(__NR_bind, r[1], 0x20408000ul, 0x58ul);
  r[8] = syscall(__NR_socket, 0x26ul, 0x5ul, 0x0ul);
  NONFAILING(*(uint16_t*)0x20269000 = (uint16_t)0x26);
  NONFAILING(memcpy(
      (void*)0x20269002,
      "\x61\x65\x61\x64\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 14));
  NONFAILING(*(uint32_t*)0x20269010 = (uint32_t)0x4);
  NONFAILING(*(uint32_t*)0x20269014 = (uint32_t)0x0);
  NONFAILING(memcpy((void*)0x20269018,
                    "\x70\x63\x72\x79\x70\x74\x28\x67\x63\x6d\x5f\x62"
                    "\x61\x73\x65\x28\x63\x74\x72\x28\x61\x65\x73\x2d"
                    "\x61\x65\x73\x6e\x69\x29\x2c\x67\x68\x61\x73\x68"
                    "\x2d\x67\x65\x6e\x65\x72\x69\x63\x29\x29\x00\x00"
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                    "\x00\x00\x00\x00",
                    64));
  r[14] = syscall(__NR_bind, r[8], 0x20269000ul, 0x58ul);
  NONFAILING(*(uint64_t*)0x20166000 = (uint64_t)0x0);
  NONFAILING(*(uint32_t*)0x20166008 = (uint32_t)0x0);
  NONFAILING(*(uint64_t*)0x20166010 = (uint64_t)0x208f0f90);
  NONFAILING(*(uint64_t*)0x20166018 = (uint64_t)0x7);
  NONFAILING(*(uint64_t*)0x20166020 = (uint64_t)0x208ef000);
  NONFAILING(*(uint64_t*)0x20166028 = (uint64_t)0x0);
  NONFAILING(*(uint32_t*)0x20166030 = (uint32_t)0x0);
  NONFAILING(*(uint64_t*)0x208f0f90 = (uint64_t)0x208ea000);
  NONFAILING(*(uint64_t*)0x208f0f98 = (uint64_t)0x0);
  NONFAILING(*(uint64_t*)0x208f0fa0 = (uint64_t)0x2039b000);
  NONFAILING(*(uint64_t*)0x208f0fa8 = (uint64_t)0x0);
  NONFAILING(*(uint64_t*)0x208f0fb0 = (uint64_t)0x20536f37);
  NONFAILING(*(uint64_t*)0x208f0fb8 = (uint64_t)0x0);
  NONFAILING(*(uint64_t*)0x208f0fc0 = (uint64_t)0x208ebfe6);
  NONFAILING(*(uint64_t*)0x208f0fc8 = (uint64_t)0x0);
  NONFAILING(*(uint64_t*)0x208f0fd0 = (uint64_t)0x208ec000);
  NONFAILING(*(uint64_t*)0x208f0fd8 = (uint64_t)0x1000);
  NONFAILING(*(uint64_t*)0x208f0fe0 = (uint64_t)0x208ed000);
  NONFAILING(*(uint64_t*)0x208f0fe8 = (uint64_t)0x0);
  NONFAILING(*(uint64_t*)0x208f0ff0 = (uint64_t)0x20846f82);
  NONFAILING(*(uint64_t*)0x208f0ff8 = (uint64_t)0x0);
  NONFAILING(memcpy(
      (void*)0x208ec000,
      "\x34\xee\xf2\xa4\xf2\xaf\x4e\xf2\xf8\x82\xa8\xb3\x81\xc8\x30\x62"
      "\x1d\x90\xa8\x02\xe0\x62\xcf\x34\xcf\xa5\x26\x79\xc2\x77\x96\xb9"
      "\x89\x7e\x9d\x1d\xa3\x5e\xd9\x78\x84\xc2\xbd\x89\x5f\xdf\xaa\xdc"
      "\x90\xe9\x58\x90\x31\xdc\xe2\x32\x31\xc6\xe5\xa3\xfa\x1d\xfb\x36"
      "\x76\x04\x82\xb0\xb3\xad\x98\xf0\x94\xe3\x09\xc3\x5f\x0b\xc2\x01"
      "\x9c\x8f\xad\x58\xd3\x43\x20\x4e\x75\x95\xd8\x5c\xf2\xf7\x41\x07"
      "\x59\xbf\x49\xe5\x79\x65\x8d\x2f\x6c\x97\x2c\x17\xad\x1c\xd2\xa2"
      "\x52\x6f\xd3\xf9\xf2\x64\xb7\x27\x18\x90\x88\x27\x1e\x59\x9b\x00"
      "\xc7\x01\x1f\x49\x1f\x30\xf0\xe8\x57\x47\x68\x66\x3e\x3d\xa9\x48"
      "\xbf\xf8\x45\x8d\xa1\x8c\x44\x0c\x0a\xf4\x0c\xb2\x91\xae\xb4\x0c"
      "\x57\xc1\x99\xc8\xf6\x69\x38\x03\x25\xae\xb7\x63\x44\xf5\x39\x9b"
      "\xa2\xe4\x4a\xe8\x32\x16\x95\x6c\x09\x6e\xe7\x7d\xda\x53\x4b\x30"
      "\x39\xce\x8a\x84\x62\x72\x8a\xad\x27\x85\x9e\xd4\x7a\xef\x1b\x9e"
      "\x29\x27\x18\x02\x2c\xd0\x2a\xea\x3b\x11\x1f\x21\xd3\x9f\x9b\x7e"
      "\xa4\x35\x87\x36\xb9\x1a\x1c\xdb\xe6\x37\x95\x45\x82\x6d\x34\xa3"
      "\xb1\xed\x60\xcf\x3b\xd1\x7f\xa8\x6f\x15\x08\x14\x40\x09\x8b\xd7"
      "\xb6\xb6\x04\x8b\x9a\x75\x9a\x96\x27\xae\x41\x02\xf1\xe1\x6c\x89"
      "\x07\x58\x46\x04\xd4\xca\x5e\x6f\x47\xa0\x51\x49\xd6\x98\x9e\x0d"
      "\xca\x33\x3f\x35\xd3\xe6\x1c\x3c\xb5\x56\xa3\x27\x8e\x15\x43\x8f"
      "\x14\x4f\x1c\x3c\x3e\x58\x24\xb7\x86\x4e\xd0\xc6\x50\x09\xd0\xb3"
      "\xc7\x38\xb0\xf4\xbf\x77\xc3\x46\x83\x85\x8c\xd4\x43\xdc\x97\xe4"
      "\x5f\x36\xb5\x31\xab\xea\xd1\x66\x88\xcd\xfa\xf6\x57\x23\x94\x0a"
      "\x76\x5b\x87\xf5\x0b\x9a\x8b\x6c\xc0\x35\xa9\x80\x1f\x06\x53\x47"
      "\xd0\x74\xad\x5b\xe6\xce\xa8\xbd\x25\x25\xb8\x7a\x72\x33\xa0\x76"
      "\xcd\x6f\x0a\x64\x08\xea\x99\xe3\xbc\xd8\xfe\xd4\xee\x78\xc1\x30"
      "\x05\xd2\x80\xcf\x05\xaa\x52\xa4\x2f\xcd\x75\xeb\xfc\x53\x48\x6d"
      "\x4f\xb9\xf2\x95\x6b\x8f\x92\xe3\x21\x40\x2c\xc9\xbb\xea\x70\xd5"
      "\x0c\x46\xd8\x48\xad\xcd\x08\x95\x3c\x67\xdf\xa2\xe2\x36\x30\x02"
      "\xa3\xc8\xe7\x0b\xb1\x94\x2a\x24\x82\x97\x5f\xc7\xf8\x84\x3b\xcb"
      "\xa5\x8f\xda\x77\x7b\x60\xe7\x5c\xed\x9b\x48\x8f\xaa\x83\xe2\x73"
      "\x9a\xaa\x28\xf2\xd9\x10\xb7\xfa\x20\x3c\xe7\x86\x9e\x6f\x58\xb6"
      "\x9a\xd3\x36\x36\x5c\x77\x2e\xe3\x14\x1c\x8c\x12\xd0\xe5\x96\x26"
      "\xd4\x1a\x2f\xdf\x2b\xb5\xe8\xb1\x47\x40\x01\x07\xdc\xe9\xac\xb0"
      "\xeb\x4f\x74\xae\x4e\x2a\xf7\x0d\x6c\xb0\x6a\x11\x56\x68\x1e\x8a"
      "\x49\x13\xf4\x85\x70\x28\xb8\x80\x79\xf2\xc4\xbc\x47\xe3\xde\x5f"
      "\x63\x7f\x1d\x2e\x12\x32\x76\xd4\xbc\xeb\xef\x6b\xec\x7a\x3b\x5d"
      "\x7a\x4d\x7e\xa9\x69\xfb\x1f\xb3\x00\x32\xac\xd1\x35\x1a\xf5\x68"
      "\x91\x7b\x55\x6f\xb8\x14\xd5\x92\x39\x1d\x6d\x6d\x30\x40\x93\xcc"
      "\xd2\x52\xda\xa7\xe1\xf9\xdc\xc9\xe9\x30\x80\x7b\xbf\x88\x85\xb1"
      "\x9b\x1e\x5d\x67\x57\xdb\xce\x5a\x11\xe7\xae\x6c\xf7\xb5\xbf\xdc"
      "\xc5\x6e\x92\x50\xb9\xc0\x47\x2d\x80\xe3\xaf\x18\x59\x1c\x10\x31"
      "\x60\x25\x00\x3c\x41\xea\x1d\xcb\xaa\xa1\x7c\xf8\xf1\xea\xaf\x37"
      "\x34\x87\x82\x34\x7d\x9e\x9b\xe7\x88\x39\x90\xd5\xf6\xbf\x54\xe4"
      "\xfd\xfc\x12\xc5\xd8\x8b\xde\xed\x79\xfa\x9c\x1e\xc0\xfd\xf1\xca"
      "\x95\x55\x2c\x52\xae\x3b\xfd\x74\x2d\x69\x7e\x8d\xbf\xb4\xd9\x82"
      "\x71\x77\xc1\xd9\x70\x69\xbb\x42\xb4\x0a\xbf\x7e\x20\x94\x85\x02"
      "\xcc\xc5\xd9\xfa\xa7\x6c\x49\x3f\xa3\x55\x01\x86\xcc\x53\xcb\xa1"
      "\x6b\xe0\x37\xca\x7f\x1d\x1c\xc1\xef\x2c\xef\x78\x35\x53\x7b\xb0"
      "\x77\x34\x9b\x2d\xa0\x95\x7a\x53\x91\xcb\x7f\xd1\x07\x09\x81\x39"
      "\x0a\x1e\x03\x61\xf6\xc1\x22\xf1\x20\x2e\xbe\xdb\x5a\x27\x19\xe5"
      "\x7e\x76\xd3\xd7\x21\xd8\xd8\x1e\x92\x0a\x84\xe4\x00\x71\x07\x48"
      "\xb2\x61\x16\x20\x55\x9a\x13\xf3\x91\x99\x14\x97\x5c\xe3\x61\x82"
      "\x94\xea\xb6\xd7\x48\x2e\x0d\x5d\x0c\x51\x31\x71\xd9\x21\x1d\xed"
      "\x4a\xdb\x1d\xb9\x7a\xe9\xa3\x8e\xc9\x09\x46\xec\xdb\xc0\xf1\xac"
      "\x1f\x95\x06\xef\xe4\x53\xab\xfd\x41\x7b\x20\x5e\x4f\x9c\xca\x9a"
      "\x24\x19\x56\xaf\x72\x3f\x69\x23\x6a\x3a\x79\x57\x13\x5d\x95\x50"
      "\xe5\xda\x54\x31\x4e\x74\x17\x84\xb0\xb5\x0e\x3c\x81\x3a\x45\xd4"
      "\x2b\xe2\xaa\xd0\xa8\xdd\x77\xcd\x7b\x50\xa9\xff\x22\x2a\xcf\xd7"
      "\x69\x11\x1a\xbf\xb3\x04\x30\xa0\x51\x36\x76\xc0\xd5\x89\xce\x0e"
      "\x6e\xe9\xb8\x2d\x1e\x4e\x04\x23\xb4\x82\x2f\xe8\xf8\x8b\xca\xca"
      "\x40\x84\xf2\x1e\x5f\x64\xf8\x9e\x23\x23\x7a\xbc\x24\x13\x45\xc1"
      "\x3e\x42\xb0\x12\x21\x57\xf9\x22\x9a\xe6\xe3\xf0\xc0\x60\x2b\xa6"
      "\xf2\x7c\xdb\xc9\xc3\x09\x4c\x78\x1b\xb2\xde\xad\xf7\xe2\xc4\x8a"
      "\xd4\x4d\x95\xde\xa5\xf9\x10\x78\x0d\x19\x40\xfe\xd9\x15\xc1\x1a"
      "\x5b\x5e\x75\xa2\x5a\xf7\x01\x3e\x02\x1b\xf5\xab\x62\xa6\x29\x87"
      "\xf6\x50\x7c\x49\xfb\xa8\x2b\xb7\xba\x71\x6e\x62\x08\x38\x0c\x24"
      "\x01\xf2\x2a\xb4\xf6\x20\xe5\xa4\x89\x80\xf5\xb6\x60\x96\xf2\xbe"
      "\x75\x59\xed\x4f\x37\x09\x35\xc5\xb9\xdb\x9a\x2f\x68\xe3\xe4\xa2"
      "\xf2\xdb\x54\xef\x30\x0d\x95\x34\x30\x78\x20\xb3\x07\xb4\x9a\xfc"
      "\x55\xca\x21\x12\x4f\x76\x12\x22\x79\x98\x64\x01\x57\x70\x47\xf2"
      "\x07\x79\xba\x48\x6f\x63\x9a\xea\xcf\xca\x11\x22\xd5\x87\x70\xdd"
      "\xfb\x93\x44\x55\x1a\xdc\x61\x17\xad\xab\x8c\x76\xc6\x6e\x27\x13"
      "\xae\x18\x9e\xc6\xd8\x2a\xbf\xe2\x15\x2e\xf7\xc1\x3a\xf1\xbc\xf8"
      "\xcf\x03\x08\x66\x63\xc4\x49\xd3\x6f\x9f\x21\xfa\xb7\xbc\x98\xbf"
      "\x21\xa9\x8b\x14\xcb\xc7\x91\x78\xff\x27\x22\xde\x19\x18\x93\x61"
      "\x52\xbe\x80\xd3\xd3\x89\x96\x6a\xbe\xbe\xa4\xa7\x00\x69\x55\xa1"
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      "\x4e\x32\x75\x27\xaf\xc4\x74\x06\xd3\xe8\x1d\x20\xa3\x93\x22\x9a"
      "\xdd\x35\x8a\xaf\xd6\x4d\x98\x34\x68\x14\x2c\xb2\x8b\xc9\xb1\x4c"
      "\x98\x00\xb5\x64\x08\x03\xa9\x43\x39\xc1\xf8\x45\x82\x0f\x15\xdc"
      "\x6f\x09\x0b\x4d\x1b\x32\x0f\xf3\xe2\xb6\x42\x15\xd0\x96\xa2\xc1"
      "\x8f\x42\xb1\x5e\x01\xcf\xc0\x02\x99\x49\xb3\xd5\x8d\xc1\x0d\xdc"
      "\xc5\x6d\x6e\x32\x46\xd5\xdc\x49\xfd\x05\xd1\xd6\xf5\xd6\x30\x3d"
      "\x46\x55\x9b\x1b\x86\xb8\xf1\x9c\x19\xd4\xd1\xd1\x91\x9d\x3e\x0c"
      "\x9c\x19\xdc\xc5\x64\x27\x61\x4b\x04\x12\x23\xaf\x5f\xbc\x49\xce"
      "\x2a\xf4\xaf\xfc\xc9\x0a\xc3\x71\x0e\x02\x5e\x93\x11\x27\x15\xf5"
      "\x92\x01\xb0\xa4\xef\xfe\x0c\xcd\xc9\xac\x49\xbe\x64\xfd\x5d\x0e"
      "\x91\xe8\x84\x6e\x8d\x1a\xde\x73\x45\x8d\xbc\x6e\x7a\x76\x6b\xf1"
      "\xbd\x88\x05\x92\xf9\x75\x76\xe0\x27\x33\x25\x6f\x21\x64\x9f\x21"
      "\xb4\x31\x3b\xc8\x99\xd1\x52\x05\x73\xfa\x33\x65\xb9\xde\x47\x57"
      "\xd4\x25\xf4\x98\xc4\xac\x58\x44\x69\xec\x8a\xa2\xdc\x89\xfa\xc2"
      "\x0a\x40\xbe\xe3\x68\x9b\xfb\x4e\x1f\x56\xf3\x69\xa8\x1c\x64\x08"
      "\x93\x79\x92\xfe\x1c\x74\x28\xe8\xd7\x97\xe8\x10\x25\x3b\x28\x04"
      "\x89\x89\xeb\x16\xc6\x45\xa8\x0f\x89\x6e\xe7\xce\x46\xb1\x7e\x66"
      "\xa8\xa6\x8c\x36\xab\xb4\xf5\x44\xb5\x91\x5d\x92\x64\xdf\x03\x90"
      "\x1c\x4d\x23\x25\x52\x31\xf8\xfc\xbf\xd0\x93\x0c\x80\x1f\x4a\xe0"
      "\x79\x46\xdc\x0c\xfb\xa5\xe9\x54\xeb\x37\x52\x78\x87\x69\x8a\x8a"
      "\x8e\xfb\x68\x1d\xc4\xb6\x9e\xb2\xb8\x42\x07\x3f\xf7\x61\x1b\x8a"
      "\x82\xb6\xaf\x0c\xa9\xe0\xa5\xcf\x96\x2f\xb5\xbf\xe2\x2d\xa7\x1d"
      "\x47\x18\x4c\x8d\x00\x9d\x0c\xd8\xbd\xf8\x91\x71\x15\xff\xaf\x75"
      "\xed\x73\xcc\x28\x99\x42\x8a\x0a\xd9\xe2\x6d\xee\x20\xb9\x9d\xda"
      "\x36\x2e\xed\x49\xbc\xa6\x73\x23\x55\x72\x36\xf2\xd9\x93\x88\xc6"
      "\xfd\xe6\x4a\xd1\x85\xd0\x0f\x02\x58\x6c\x3c\xde\xa3\x63\x83\xa9"
      "\x28\x4b\x07\x76\x2d\x75\x95\xc6\x2d\xb4\xae\xd0\x15\x1e\x70\x30"
      "\xe0\xcc\xfe\x8f\x72\x36\xee\xc1\xa5\xa8\xed\x9f\x1d\x5d\x01\x3a"
      "\xdb\x12\xf6\xf0\xe0\x67\x53\xe6\x77\xbc\x4b\xdb\x1a\xbc\x3e\x6b"
      "\x02\x84\x07\xae\xe6\xb2\x9f\xb2\x33\x7f\x40\x38\xf9\x4f\x97\xd4"
      "\x40\x9d\xe0\xde\x10\xbc\x74\x56\x99\x8f\xcc\x4d\x08\x0a\x10\x50"
      "\x3e\xa9\x03\x2d\xa1\x24\xf0\x88\x9e\xf9\x52\x12\xe6\x87\x7c\xed"
      "\x71\x1a\x63\xa3\x99\xda\x25\xb6\xbf\xdc\x40\x32\x38\x19\x32\xde"
      "\x35\x29\x03\x7e\x13\x2a\xde\xf8\x8e\x4e\xfb\x0f\xe9\x0f\x21\xec"
      "\x02\xfc\x3a\xaa\xdb\x25\x96\x1e\xd8\x89\x6e\x76\xfe\xac\x7e\xf1"
      "\xba\xca\x53\xe6\x69\x69\x1c\x8d\x9b\x22\xe9\x4f\xdf\x50\xe6\x7d"
      "\x33\x61\x27\x7c\xd2\xc8\x87\x4b\x6f\xc5\x26\x94\x70\x02\x46\x93"
      "\xdd\x53\x19\xd0\xbf\xd3\x95\x7a\x7a\x54\xa9\x71\xf9\x26\x52"
      "\x6a",
      4096));
  r[37] =
      syscall(__NR_sendmsg, 0xfffffffffffffffful, 0x20166000ul, 0x0ul);
}

int main()
{
  install_segv_handler();
  use_temporary_dir();
  loop();
  return 0;
}