// https://syzkaller.appspot.com/bug?id=012edf00e41142489846a98eafd64783ab8ed000
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <errno.h>
#include <errno.h>
#include <fcntl.h>
#include <fcntl.h>
#include <sched.h>
#include <sched.h>
#include <signal.h>
#include <signal.h>
#include <stdarg.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdio.h>
#include <sys/mount.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.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 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 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");
}

const int kInitNetNsFd = 253;
static uintptr_t syz_init_net_socket(uintptr_t domain, uintptr_t type,
                                     uintptr_t proto)
{
  int netns = open("/proc/self/ns/net", O_RDONLY);
  if (netns == -1)
    return netns;
  if (setns(kInitNetNsFd, 0))
    return -1;
  int sock = syscall(__NR_socket, domain, type, proto);
  int err = errno;
  if (setns(netns, 0))
    fail("setns(netns) failed");
  close(netns);
  errno = err;
  return sock;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);

  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static void setup_cgroups()
{
  if (mkdir("/syzcgroup", 0777)) {
  }
  if (mkdir("/syzcgroup/unified", 0777)) {
  }
  if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
  }
  if (chmod("/syzcgroup/unified", 0777)) {
  }
  if (!write_file("/syzcgroup/unified/cgroup.subtree_control",
                  "+cpu +memory +io +pids +rdma")) {
  }
  if (mkdir("/syzcgroup/cpu", 0777)) {
  }
  if (mount("none", "/syzcgroup/cpu", "cgroup", 0,
            "cpuset,cpuacct,perf_event,hugetlb")) {
  }
  if (!write_file("/syzcgroup/cpu/cgroup.clone_children", "1")) {
  }
  if (chmod("/syzcgroup/cpu", 0777)) {
  }
  if (mkdir("/syzcgroup/net", 0777)) {
  }
  if (mount("none", "/syzcgroup/net", "cgroup", 0,
            "net_cls,net_prio,devices,freezer")) {
  }
  if (chmod("/syzcgroup/net", 0777)) {
  }
}

static void setup_binfmt_misc()
{
  if (!write_file("/proc/sys/fs/binfmt_misc/register",
                  ":syz0:M:0:syz0::./file0:")) {
  }
  if (!write_file("/proc/sys/fs/binfmt_misc/register",
                  ":syz1:M:1:yz1::./file0:POC")) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  setsid();

  int netns = open("/proc/self/ns/net", O_RDONLY);
  if (netns == -1)
    fail("open(/proc/self/ns/net) failed");
  if (dup2(netns, kInitNetNsFd) < 0)
    fail("dup2(netns, kInitNetNsFd) failed");
  close(netns);

  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = 160 << 20;
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 8 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 0;
  setrlimit(RLIMIT_CORE, &rlim);

  if (unshare(CLONE_NEWNS)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
}

int wait_for_loop(int pid)
{
  if (pid < 0)
    fail("sandbox fork failed");
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);

  setup_cgroups();
  setup_binfmt_misc();
  sandbox_common();
  if (unshare(CLONE_NEWNET)) {
  }
  loop();
  doexit(1);
}

static void remove_dir(const char* dir)
{
  DIR* dp;
  struct dirent* ep;
  int iter = 0;
retry:
  while (umount2(dir, MNT_DETACH) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exitf("opendir(%s) failed due to NOFILE, exiting", dir);
    }
    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 execute_one();
extern unsigned long long procid;

static void loop()
{
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  char cgroupdir_cpu[64];
  snprintf(cgroupdir_cpu, sizeof(cgroupdir_cpu), "/syzcgroup/cpu/syz%llu",
           procid);
  char cgroupdir_net[64];
  snprintf(cgroupdir_net, sizeof(cgroupdir_net), "/syzcgroup/net/syz%llu",
           procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  if (mkdir(cgroupdir_cpu, 0777)) {
  }
  if (mkdir(cgroupdir_net, 0777)) {
  }
  int pid = getpid();
  char procs_file[128];
  snprintf(procs_file, sizeof(procs_file), "%s/cgroup.procs", cgroupdir);
  if (!write_file(procs_file, "%d", pid)) {
  }
  snprintf(procs_file, sizeof(procs_file), "%s/cgroup.procs", cgroupdir_cpu);
  if (!write_file(procs_file, "%d", pid)) {
  }
  snprintf(procs_file, sizeof(procs_file), "%s/cgroup.procs", cgroupdir_net);
  if (!write_file(procs_file, "%d", pid)) {
  }
  int iter;
  for (iter = 0;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      fail("failed to mkdir");
    int pid = fork();
    if (pid < 0)
      fail("clone failed");
    if (pid == 0) {
      prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
      setpgrp();
      if (chdir(cwdbuf))
        fail("failed to chdir");
      if (symlink(cgroupdir, "./cgroup")) {
      }
      if (symlink(cgroupdir_cpu, "./cgroup.cpu")) {
      }
      if (symlink(cgroupdir_net, "./cgroup.net")) {
      }
      execute_one();
      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 < 3 * 1000)
        continue;
      kill(-pid, SIGKILL);
      kill(pid, SIGKILL);
      while (waitpid(-1, &status, __WALL) != pid) {
      }
      break;
    }
    remove_dir(cwdbuf);
  }
}

#ifndef __NR_renameat2
#define __NR_renameat2 316
#endif

uint64_t r[13] = {0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0x0,
                  0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff};
unsigned long long procid;
void execute_one()
{
  long res = 0;
  res = syscall(__NR_pipe, 0x20000000);
  if (res != -1)
    r[0] = *(uint32_t*)0x20000000;
  syscall(__NR_ioctl, r[0], 0x4b30, 5);
  memcpy((void*)0x20000500, "/dev/nullb0", 12);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000500, 0, 0);
  if (res != -1)
    r[1] = res;
  syscall(__NR_pread64, r[1], 0x20000540, 0xfffffed4, 0);
  syscall(__NR_mmap, 0x20660000, 0x1000, 0x200000a, 0x13, r[1], 0);
  memcpy((void*)0x20000500, "/dev/nullb0", 12);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000500, 0, 0);
  if (res != -1)
    r[2] = res;
  *(uint64_t*)0x20000000 = 0;
  *(uint64_t*)0x20000008 = 0;
  syscall(__NR_ioctl, r[2], 0x1264, 0x20000000);
  memcpy((void*)0x20001240, ".", 2);
  memcpy((void*)0x20001280, "./file0", 8);
  syscall(__NR_renameat2, -1, 0x20001240, -1, 0x20001280, 6);
  *(uint32_t*)0x20000000 = 0;
  res = syscall(__NR_accept4, 0xffffff9c, 0, 0x20000000, 0x80800);
  if (res != -1)
    r[3] = res;
  *(uint64_t*)0x20000900 = 0x20004480;
  *(uint16_t*)0x20004480 = r[3];
  *(uint64_t*)0x20004482 = 0;
  *(uint64_t*)0x2000448a = 0x20000940;
  memcpy((void*)0x20000940,
         "\x0c\x2e\x4f\x5a\x5b\x65\x3f\x35\xde\x0d\xd6\xcc\xeb\x8b\x40\x8b\x9d"
         "\x7a\xa2\xb3\x30\x66\x63\xef\x65\xdb\xc4\x63\xf1\xb6\xe3\x26\xff\xc4"
         "\xee\x02\x60\xd6\x6c\x6f\x6f\xa4\x0e\x85\x0d\x5f\x68\xeb\x90\xe9\xe4"
         "\x09\x48\x29\xe6\x74\x7c\xe0\x96\x00\x47\x32\x14\x76\xaf\x99\x8a\x1f"
         "\x33\x5b\xd0\xd1\xb1\x42\xb2\x09\xa5\x5e\x19\x09\x31\xb1\x03\x81\xb1"
         "\x03\x60\x58\x3d\x8f\xeb\xb1\x6b\x79\xd1\x80\xc6\x7c\x36\xfb\x09\x52"
         "\xed\x68\x79\x0c\x8a\xcc\xfe\x4e\x4c\x4a\xa3\x13\x76\x3b\x70\xee\x51"
         "\x13\x33\x92\x25\x03\x6c\x57\x3a\x60\x80\xd4\x42\x4a\x72\xc0\xfe\x5e"
         "\xe6\x3b\xda\x84\x2c\x1c\x10\x65\x27\x9a\xb7\xc2\x09\x85\xb4\x51\x40"
         "\xa2\x3b\x5b\x34\x00\xb0\x73\xad\x1c\x15\x31\xa0\x2f\x54\x02\xdf\x8d"
         "\x63\x2c\xdd\x94\xb7\xed\xff\xac\x09\x3d\xcc\x59\x78\xfd\x83\x55\xfd"
         "\x22\x79\x61\xe0\x07\xa5",
         193);
  *(uint16_t*)0x20000a01 = r[3];
  *(uint32_t*)0x20000a03 = r[3];
  memcpy((void*)0x20000a07, "\xc1\xf9\xcc\x27\x62\x31\xeb\x48\x03\xb7\x3b\x1d"
                            "\x58\xed\xc0\xa8\x89\x28\x50\x12\x6d\x48\xb4\x74"
                            "\xe8\x76\x99\x3f\x26\x7e\xac\x44\xd0\x59\x05\xae"
                            "\xbe\x5b\x2b\x51\xa5\xe5\x5f\x8d\xd3\x20\x7e\xf7"
                            "\xac\x59\xac\x45\xaa",
         53);
  *(uint64_t*)0x20000a3c = 0;
  *(uint64_t*)0x20004492 = r[3];
  *(uint32_t*)0x2000449a = 0;
  *(uint64_t*)0x2000449e = 0x20000a80;
  memcpy((void*)0x20000a80,
         "\xf9\x10\x46\x9a\x88\x33\x58\x7e\x39\xd4\xf0\xd0\xb2\x15\x41\xd2\x95"
         "\xe3\xe2\x7a\xd7\x3f\x19\x23\x5a\x8d\x58\x64\x99\xe9\x5b\xd9\x51\x01"
         "\x24\xa2\x58\xc0\x4c\xa9\xf2\xa2\x7b\x80\xd5\xcd\xda\x96\x60\x15\x8a"
         "\xea\x1e\x21\xe1\xe0\xf6\x1b\x69\xa4\xb1\xe8\x84\xce\xe4\x8d\x89\xf6"
         "\x0b\x7c\xc5\xc4\x69\x1e\x36\xc1\x0b\x30\xf5\xed\x77\x49\x3e\x1f\x29"
         "\x05\x85\x2f\xd9\xa1\xd4\xaf\xfc\xe0\x7e\x71\x1c\xbe\x68\xc7\xa7\x40"
         "\x28\x7b\x05\xb2\xde\x1e\x5f\x08\xe7\x1c\x16\xb2\x3d\xee\xef\xee\x77"
         "\x69\x58\x91\x2e\xaf\x20\x3c\x5c\x5a\x10\x6d\xc3\x7e\xed\xa1\x03\x5a"
         "\x91\xc7\x42\xa0\xeb\xa5\x88\xed\xed\x41\xe3\x99\xa1\x7f\x67\xb9\x1b"
         "\xbf\x48\x9b\x6f\xe9\xd7\x1a\x41\x0b\xc4\x4a",
         164);
  *(uint64_t*)0x20000b24 = -1;
  *(uint64_t*)0x20000b2c = 0;
  *(uint64_t*)0x200044a6 = 0x20000b40;
  *(uint64_t*)0x20000b40 = 0;
  *(uint16_t*)0x20000b48 = r[3];
  *(uint64_t*)0x20000b4a = r[3];
  *(uint64_t*)0x20000b52 = 0;
  *(uint32_t*)0x20000b5a = r[3];
  *(uint64_t*)0x20000b5e = 0;
  *(uint64_t*)0x20000b66 = r[3];
  memcpy((void*)0x20000b6e,
         "\xe8\x3a\x59\xae\xa4\xf7\xdd\x13\x90\x61\x1f\x8c\xcf\x29\xbf\xec\x92"
         "\x7c\xd9\x43\xb9\x42\xd0\x85\x46\x65\x61\xa2\x42\x06\x1e\x4d\xca\x43"
         "\xf6\x6c\xd8\x94\x7a\xc0\x32\xb2\x72\x89\x8f\xe5\x47\xc3\x9a\x83\xd7"
         "\xa2\x1e\xbc\x63\x4e\x7d\x2c\xb5\x06\xe4\x36\xed\x15\xd8\x41\xa6\xce"
         "\x69\x5e\x2c\x53\x7f\x00\x1e\xa9\x90\xfc\x34\xe7\xe4\x5b\x4a\xb1\xa4"
         "\xd2\x40\xea\x21\x4d\x4b\xbb\x92\x68\x1a\xfd\x6e\x86\x8c\xf4\xeb\x0a"
         "\x9e\x05\xc5\x66\xe0\x06\x7d\x36\x0a\xc1\xc9\x9e\x13\xb0\x98\x1f\x13"
         "\x38\xeb\x7d\xc8\xf3\x78\x05\xfa\xbc\x85\x18\xd6\x63\xf4\x49\xee\x92"
         "\x76\xe1\x35\xb2\x0c\xf3\x9b\x8d\xf6\xda\xbd\x73\xb4\x9d\x44\xd0\xe7"
         "\xfe\x04\xae\xb9\x9f\xf1\xc3\x95\x9c\x02\xd7\xa4\x49\x06\x70\xb4\x14"
         "\x40\x6a\x9d\x96\x78\x07\xcd\x9d\xc3\x54\x25\xf8\xf0\xd0\xf8\xce\xfb"
         "\x8a\x32\x04\x70\x95\xe9\x1a\x80\x13\xc7\x2c\x60\x22\xbc\xe7\xb9\xdb"
         "\x97\x5b\xab\x10\xd7\xcd\xa8\x79\xdf\x48\xfc\x69\x80\x03\x73\xb9\x0f"
         "\x97\x57\xd9\x04\x6e\x2c\xff\x08\x24\x58\xb5\x48\xed\x49\x00\x45\x57"
         "\x1f\xed\x98\xda\x97",
         243);
  *(uint32_t*)0x20000c61 = r[3];
  memcpy(
      (void*)0x200044ae,
      "\x2d\x4e\x39\xfc\xe5\x06\x4a\x42\x2d\x94\xe8\x63\xb1\xb8\xd4\x7b\xf2\x43"
      "\x56\x29\x6d\x2a\x1a\x9e\xdd\x5e\x0d\x4d\x05\x13\xd5\x8a\x2d\x46\xef\x00"
      "\x14\x07\xef\x49\xb8\xf7\x9c\xa7\x02\x78\x0e\x6f\xb5\x74\x0f\x8b\xbb\x93"
      "\x35\x41\xdc\x36\x93\x56\x40\xbe\x91\x8b\xb8\x21\x47\xea\x11\x98\x68\x7f"
      "\xe3\x64\x76\x3f\x3b\x5a\xfa\xd7\xd8\xfa\xb0\x62\x74\x6f\x0a\x0d\x32\x79"
      "\xf0\x47\xab\x2a\xe0\x80\x53\xc2\xa3\xa1\x42\xce\x70\x18\xb3\xc9\xeb\x78"
      "\xc3\x10\x9c\x37\x8e\x1e\x51\x75\x4a\x94\xd4\xae\x9f\xb0\x4f\x78\x63\x03"
      "\x9e\xaf\xc1\xba\x57\x7e\x5a\xad\x1a\x89\xea\xbd\xa2\x3a\x9b\x93\x0d\xb8"
      "\x57\x5e\x54\x8e\x90\xe5\xda\xa6\xf9\xb6\x59\x0f\xb2\x93\x43\x5e\x65\x03"
      "\x97\x99\x7d\x91\x98\x73\xa0\x82\xdd\xd3\xd3\x05\xdc\x18\xf4\xf2\x25\x03"
      "\xdd\x10\xed\x9a\x21\x31\xb1\x46\x1d\xb6\x6d\x94\x93\xb2\x86\x5c\xff\x40"
      "\xae\x0d\xc6\x3e\x5a\xd7\xd7\x0e\x2f\x00\xb6\x18\xa0\xe4\x42\x5f\x84\xd8"
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      "\xd7\x1f\x3c\xce\x3d\x6e\x14\xf4\xac\x0e\x12\x7b\xe0\x24\x6d\x60\x23\x0b"
      "\xef\xa0\xed\xa0\xfc\xa3\xec\x20\x3f\xd3\x94\xe4\x7f\x1d\x93\x84\x63\x88"
      "\x2f\xc4\xf7\x48\x09\x9b\x70\x1a\x59\xc6\x4a\xd5\xa1\x53\x1c\xb3\xe9\x3b"
      "\x29\x5d\x32\x2c\xd8\x1a\x9c\xce\xdc\x2b\x5c\x4f\xb1\x02\x73\xb9\xe7\xab"
      "\xee\xdd\x74\x2f\x20\x62\xf7\x98\xfc\x31\x36\x8e\x81\x85\xa4\x74\x0d\x8a"
      "\xd7\xfc\x62\x51\x0b\x56\x7b\xc5\x2f\xe5\xa2\x39\x11\x8e\xe9\x8d\x03\x39"
      "\x14\xbc\xd9\xa1\x00\x74\x08\x36\x1d\x89\xcc\x5e\x7d\xe3\x30\xed\x15\x7c"
      "\xff\xa2\x5e\xd1\x12\x49\xbf\x0e\xa2\x23\xf1\xb2\x3f\xc2\x74\x1a\xa7\xfb"
      "\x48\xde\xe6\x54\x85\xe5\x02\x5c\x5a\x10\xd3\x96\x69\xed\x1a\x72\xde\xe6"
      "\x21\x9d\xd4\xde\x88\xdc\xab\x94\xb9\xa1\x85\x66\x94\xf4\xcc\xf7\x9a\x2a"
      "\xe3\x50\xb7\x0a\x2b\xd0\xd1\x7d\x38\xa1\x81\xd6\x7f\x56\x4d\x4d\xfc\x88"
      "\x6a\x8a\xe7\x1e\xf2\x6b\xab\x9d\xc4\xb9\x23\x7f\x9c\x4b\x84\x45\x05\x61"
      "\x6a\xa4\xa0\x70\x2e\xf8\xaf\xe8\x61\x5f\xc2\x0d\xd9\xd7\x4b\xc8\x60\x71"
      "\xfc\xed\xaa\xe2\xfb\xc4\x04\xe2\xa8\x63\xf9\xe9\x1d\x41\x32\xe8\x3b\xdf"
      "\x94\x9b\x03\xc2\x2c\xd2\xe4\x91\xce\xc0\x32\x12\x18\x1e\x6c\x3e\x9e\x38"
      "\x67\x57\x6f\x60\xb2\xe4\xa8\x29\x1b\xe0\x41\xae\xd2\x4d\x1a\x36\x58\x00"
      "\x9e\x6d\xe0\xf8\x96\x82\xc9\x6e\xc8\x51\xe7\xba\x79\xa0\xfa\x94\x49\x27"
      "\xa4\x8c\xd1\x78\xf6\xb9\xa3\xc4\xda\xc3\x37\x85\x7a\xf5\xfc\xa9\xbb\xdf"
      "\x6b\x5c\xcb\xab\xa9\x45\x28\xe8\x1a\x95\xef\x69\x78\xe7\x01\xed\x58\x3b"
      "\xf1\xe5\xde\x63\x8a\x23\x3d\xa5\xba\xb2\x62\xaf\x0b\x38\x8a\xc8\x02\x08"
      "\x10\xcb\xab\xdf\x17\xc6\xdf\xd2\x5e\x72\x77\x5e\x54\xbc\xa2\x3f\xb3\xa2"
      "\x78\x51\xff\xda\x15\xc4\xbb\xb9\xdf\x41\xe1\xd0\x7f\x0b\xa3\xfa\xc9\x73"
      "\xb5\x34\xcb\x83\x48\x70\x0c\x5e\x84\x23\x51\xf6\xd2\x70\x31\xca\xd2\x83"
      "\x87\xd6\x04\x72\xbe\x79\x6a\x40\x9f\x80\xa4\xfa\x0a\xdd\xf0\x69\xee\x3a"
      "\x73\x56\xd7\x0d\xdc\x3b\x61\x7e\xe3\x2b\x49\x4d\xb6\x81\xf7\x26\x03\x01"
      "\x12\x25\x68\x4d\xfa\x54\x6d\xc3\x8a\xf7\xfe\x21\x3c\xa0\x78\x06\xfa\x86"
      "\x62\x65\xf9\x5a\x79\x84\xf5\x27\x0b\x13\x0a\x50\xad\x68\x9e\xc1\x31\x94"
      "\xa2\x97\xdc\x2c\x43\x71\x18\x36\x71\x67\xb0\x4c\x9e\x6c\x2f\x81\xed\x9e"
      "\x1e\x43\x15\x53\x57\x7a\xc5\x1b\x2d\x7b\x00\x2b\xff\xb9\x3c\x94\xfe\xd0"
      "\x25\x57\x00\x75\x2c\x31\x38\x32\x4f\xb1\x7e\xb0\xd8\xb0\xa2\x0c\x56\x4e"
      "\x22\xd2\x51\xc0\xab\x4d\x2f\x95\x1d\x44\xa7\x9b\xb1\x6b\xc7\xac\x47\x33"
      "\x84\x47\x1d\x22\x49\x6e\xa4\x88\x21\x38\x80\xc8\x27\x5c\x43\x9a\xc1\x17"
      "\x7b\xb0\x49\xf0\x20\xa1\x56\xb1\xc1\x79\x33\xa6\x33\x6f\x0d\x2f\x43\x32"
      "\x9e\xab\xba\x58\xf2\x34\x9b\xed\xf8\xaf\x21\x01\x50\xc6\x88\xb4\xb5\x3e"
      "\x5b\x6c\x2f\x9e\xf4\xf0\xdf\x6a\x48\xaa\x06\xde\xbe\x52\x50\xf9\xd9\x86"
      "\x6c\xee\x28\x4f\x9e\x40\xc4\x96\xe3\x72\x57\xc1\xfa\xa7\x22\x4c\x05\xab"
      "\xda\x23\xbc\xd1\x18\x4a\xaf\xb7\x18\xd8\x6d\xc9\x7d\x0b\x2d\xb2\x37\x7c"
      "\x14\x66\x41\x91\x60\x28\xd3\xfa\x73\x7f\x18\x6c\xce\x3f\xd3\x47\x9f\x52"
      "\x2c\xc9\x1c\x83\x08\x3b\x00\x40\xff\x0e\xb5\xac\x0a\x7b\xf7\x6c\x2f\xfc"
      "\xbf\x69\xff\xa3\x3b\x79\x46\xee\xca\x4a\x0c\xe7\x64\x5d\x09\x90\x22\xf8"
      "\x9b\x0b\x38\x2f\xae\x34\xac\x77\x38\x9d\xb1\x9f\x73\xfd\xc4\x9b\x71\x8b"
      "\x4f\xba\x95\x05\x89\xea\x0c\xb8\x47\x6a\x41\xb3\x0f\x52\x2e\x94\xbd\x24"
      "\xa6\x33\xf0\xfc\xa8\xaf\xc2\xac\x5f\x33\xa8\x4f\x4d\xd2\xe9\x73\x4a\xb8"
      "\x5d\x98\x32\xd7\xe4\x9a\xb9\xeb\x6e\x91\x12\xc8\xa5\xe3\x7b\xb6\xc4\x68"
      "\x65\xcf\x4d\x5d\xf9\x81\x4c\xab\x88\x85\x80\x4b\x3a\xe9\x3b\xbf\xcf\x95"
      "\x77\x02\xec\xe7\x8b\x74\x40\x47\x98\xb3\xdb\x22\xa5\x12\x40\x52\xdc\xf5"
      "\xa4\xf6\x1c\xe6\xa6\xe0\x30\x23\x45\xf0\x50\x81\xa9\x7c\xb5\xd1\x3e\x3e"
      "\x5e\xc5\xfa\x23\x14\x42\xda\x3d\xe2\x89\x9a\xfc\x59\xc8\x41\x37\x31\x3a"
      "\x01\x28\xc3\x6c\x6c\xec\x6a\x0a\x53\x08\x2c\x96\xe8\x88\x58\xc0\x26\x3a"
      "\x99\x5e\x68\x76\x4c\x71\x4c\xc6\x3d\xf9\xa0\xa1\xab\xa4\x4b\x9e\x4a\xe6"
      "\x7b\xa2\xf5\x35\x40\x0f\x0a\x18\xe1\xbe\x2b\x2d\x99\xfb\x4e\xcb\x1f\x18"
      "\x05\xa8\x70\xb4\xe7\xf4\x56\x93\x3f\xab\x61\xd3\xb7\xd8\x25\x48\xb7\xd7"
      "\xf8\x5f\x65\x2f\xfb\x30\xfb\xd8\x0f\xd4\xe7\xcb\xba\x09\x52\xac\xa3\x5e"
      "\x6b\xdc\xf8\xe6\x7b\x7e\x32\x13\x73\x8b\x08\x01\x17\xc6\x77\xb5\x5b\x0f"
      "\x33\x0e\xcf\x1d\xdb\x76\x01\x8f\x36\xe9\x2d\x7e\xec\x84\x39\x64\x38\x1f"
      "\x55\xde\xb1\x7a\x4d\x1a\xff\x2e\x3f\x50\x71\x01\x11\x66\xd4\x3f\x81\x0d"
      "\x0b\x7d\xe9\xd4\xdd\xe6\xfb\x5c\x5a\x3e\x83\x19\xed\xc9\x89\x13\xc4\xec"
      "\x0d\x27\x65\x45\xb3\x95\xf7\xb2\x8d\xb3\x15\x4d\x6d\x1c\xa5\x24\xdf\xc6"
      "\xae\xab\x37\x41\xc3\x7c\x24\x9b\x1b\xb1\x12\x71\x93\x25\xed\x0d\x30\x75"
      "\x0b\x32\x2c\xef\xc7\x4b\x7f\x35\x21\xc4\xb2\x83\x0b\xe3\xb1\x33\x43\xb4"
      "\x44\xc4\xbc\x83\x15\xf6\x37\x39\xdd\xdf\x08\xca\x47\x7e\xb9\x82\x3f\x83"
      "\xc3\xf4\x2c\x15\x5d\xcc\x32\x44\x4d\x60\xa4\x32\x8f\x6e\xc4\xbf\xd0\x0d"
      "\x4c\x04\x59\x8c\x41\xfa\x4f\x13\xfc\x16\xd2\xe1\x59\xbf\x54\x59\x3d\x6e"
      "\x68\x6a\x6c\x50\xda\x42\x1d\x44\x9d\x0d\x16\xaa\x57\x4e\x68\x39\x49\x04"
      "\x0e\x55\xd0\xb6\xa2\x0f\x12\xfe\xdc\x14\x72\x85\x2d\x25\xe8\xc9\xc7\x95"
      "\x0d\xef\x6e\x9c\xdb\x75\xfe\x68\x6c\x4d\xb2\xa2\xd6\xa7\xde\xe2\xec\x6e"
      "\x6d\x76\xca\xc6\x22\xa4\x5a\x1b\x64\x64\xc2\x83\xdd\xff\x7f\x71\x31\x17"
      "\x7d\x53\xc4\xf0\x0f\x86\x31\x4c\xf7\x83\x8d\xc5\x13\x42\x37\xe9\xa7\x46"
      "\x9c\x82\xc8\xb3\x87\xfe\xc5\x39\xd1\x83\x0c\x4c\x12\x75\xef\x3f\x15\x16"
      "\xf6\x1f\xa6\x17\x81\x26\xdf\xd5\x1e\x24\xdb\x3b\x95\x07\xa2\xa9\x56\x51"
      "\xae\xe7\xd7\x6d\xb6\x1e\x44\xcb\x26\x2d\xe0\x77\xcc\x86\x67\x52\xf8\x34"
      "\x68\x54\x08\x7e\xfc\x01\x40\xac\x26\xcf\xa3\xfa\x91\xaf\xe2\x09\x4c\x92"
      "\x4e\xc5\x2c\x0d\x35\x1a\xf1\xbd\x10\xef\x1f\xbc\xaf\xd5\xb6\x6d\xc0\xe1"
      "\x9e\x26\xb4\x79\xf5\x43\x28\x28\xda\x2e\x2b\x3e\xa9\xad\x7d\xcb\x54\x9b"
      "\x42\xdd\xed\x43\xd0\xdd\x8f\x3a\x49\x43\xd0\x93\x50\x01\x3d\xa1\xe8\x3b"
      "\x1e\x50\x6d\x8c\x2e\xfe\x36\x25\x49\x65\xcd\x9a\x03\xaf\xfd\x38\x7b\x61"
      "\x31\x01\x2f\x22\x28\xd5\x65\xaa\x9e\x1c\xb8\x97\x18\x02\xca\xc1\x46\xa9"
      "\x59\x8a\xf8\xba\x95\x6c\x54\xe7\xdd\xcb\xca\xc0\x7e\x37\xb1\xa6\x1c\x4e"
      "\xdb\x89\x19\xf1\xef\xed\x9c\x14\x2c\x58\x04\x6c\xa3\x8e\xac\x43\x35\xf3"
      "\xae\x89\x4c\xa7\x08\xac\xd8\x48\x22\x53\x50\xb9\x0a\x17\x7c\x49\x0b\x8f"
      "\xaa\xf7\xb9\x52\xdf\xbf\x1e\x85\xf2\xb3\x39\xaa\x8b\x11\x68\xd0\xcb\xf2"
      "\x25\xc6\xac\x4f\xff\x64\xc3\x7b\x6c\x9c\x52\x95\x9f\xc3\xab\xa1\x6c\xec"
      "\x5e\x9c\x22\xd1\x5c\xf1\x87\xf7\x0f\x8a\x0c\x1d\xbe\x26\x24\x7b\xb9\x84"
      "\x5b\xf4\x0d\xda\x7c\x69\x54\x33\xa3\x11\xd8\x1c\x69\x88\xef\x07\xaa\x30"
      "\x4f\x20\x2e\xd7\xde\xd2\x45\x1b\x21\x2e\xa1\x3d\x3c\xe1\xe4\x05\xbc\x8a"
      "\x9e\xad\xe4\xee\x93\x38\x41\x6e\xf7\x69\x13\xdd\x05\xd9\xd7\x31\xb6\x62"
      "\x83\xf3\x0d\x78\x29\xef\x4a\xb7\x0b\x92\x59\xc9\x2d\x0e\xd7\x89\x96\x5e"
      "\x88\x7f\xa5\xc2\x51\x35\x0e\x4c\xe0\x69\x73\x6b\xfe\x52\xca\x7f\xf3\x92"
      "\xe4\xc1\x71\xd5\x0f\xe1\xf7\xe2\xc8\x61",
      4096);
  *(uint32_t*)0x200054ae = r[3];
  memcpy((void*)0x200054b2, "\xcb\xe6\x54\xca\x81\x2d\x5e\x44\xe1\x44\x63\x7a"
                            "\xca\x50\xdc\x10\x39\xd6\x1b\x87\xe3\x98\x78\x8e"
                            "\xf0\xa5\x1c\xc7\xc0\x38\x0e\x51\xdb\xc2\x69\xf4"
                            "\xb1\xcd\x73\x14",
         40);
  *(uint32_t*)0x20000908 = r[3];
  *(uint64_t*)0x2000090c = 0x200008c0;
  *(uint32_t*)0x200008c0 = r[3];
  syscall(__NR_fremovexattr, r[3], 0x20000900);
  memcpy((void*)0x20000080, "/dev/mixer", 11);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000080, 0x400002, 0);
  if (res != -1)
    r[4] = res;
  *(uint32_t*)0x20000140 = 6;
  *(uint32_t*)0x20000144 = 2;
  *(uint32_t*)0x20000148 = 0xa3;
  *(uint32_t*)0x2000014c = 7;
  *(uint64_t*)0x20000150 = 0x200000c0;
  *(uint8_t*)0x20000158 = 0;
  *(uint8_t*)0x20000159 = 0;
  *(uint8_t*)0x2000015a = 0;
  *(uint8_t*)0x2000015b = 0;
  *(uint8_t*)0x2000015c = 0;
  *(uint8_t*)0x2000015d = 0;
  *(uint8_t*)0x2000015e = 0;
  *(uint8_t*)0x2000015f = 0;
  *(uint8_t*)0x20000160 = 0;
  *(uint8_t*)0x20000161 = 0;
  *(uint8_t*)0x20000162 = 0;
  *(uint8_t*)0x20000163 = 0;
  *(uint8_t*)0x20000164 = 0;
  *(uint8_t*)0x20000165 = 0;
  *(uint8_t*)0x20000166 = 0;
  *(uint8_t*)0x20000167 = 0;
  *(uint8_t*)0x20000168 = 0;
  *(uint8_t*)0x20000169 = 0;
  *(uint8_t*)0x2000016a = 0;
  *(uint8_t*)0x2000016b = 0;
  *(uint8_t*)0x2000016c = 0;
  *(uint8_t*)0x2000016d = 0;
  *(uint8_t*)0x2000016e = 0;
  *(uint8_t*)0x2000016f = 0;
  *(uint8_t*)0x20000170 = 0;
  *(uint8_t*)0x20000171 = 0;
  *(uint8_t*)0x20000172 = 0;
  *(uint8_t*)0x20000173 = 0;
  *(uint8_t*)0x20000174 = 0;
  *(uint8_t*)0x20000175 = 0;
  *(uint8_t*)0x20000176 = 0;
  *(uint8_t*)0x20000177 = 0;
  *(uint8_t*)0x20000178 = 0;
  *(uint8_t*)0x20000179 = 0;
  *(uint8_t*)0x2000017a = 0;
  *(uint8_t*)0x2000017b = 0;
  *(uint8_t*)0x2000017c = 0;
  *(uint8_t*)0x2000017d = 0;
  *(uint8_t*)0x2000017e = 0;
  *(uint8_t*)0x2000017f = 0;
  *(uint8_t*)0x20000180 = 0;
  *(uint8_t*)0x20000181 = 0;
  *(uint8_t*)0x20000182 = 0;
  *(uint8_t*)0x20000183 = 0;
  *(uint8_t*)0x20000184 = 0;
  *(uint8_t*)0x20000185 = 0;
  *(uint8_t*)0x20000186 = 0;
  *(uint8_t*)0x20000187 = 0;
  *(uint8_t*)0x20000188 = 0;
  *(uint8_t*)0x20000189 = 0;
  syscall(__NR_ioctl, r[4], 0xc0505510, 0x20000140);
  syscall(__NR_ioctl, r[4], 0xaea2, 1);
  syscall(__NR_sync);
  *(uint32_t*)0x20000040 = 0x4f;
  syscall(__NR_getsockopt, r[4], 0x11, 1, 0x200001c0, 0x20000040);
  memcpy((void*)0x20000500, "/dev/nullb0", 12);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000500, 0, 0);
  if (res != -1)
    r[5] = res;
  syscall(__NR_mmap, 0x20660000, 0x7ffffffff000, 0, 0x100000000000010, r[5], 0);
  res = syscall(__NR_socket, 0x10, 3, 6);
  if (res != -1)
    r[6] = res;
  *(uint64_t*)0x20001500 = 0x20000140;
  *(uint16_t*)0x20000140 = 0x10;
  *(uint16_t*)0x20000142 = 3;
  *(uint32_t*)0x20000144 = 0;
  *(uint32_t*)0x20000148 = 0;
  *(uint32_t*)0x20001508 = 0xc;
  *(uint64_t*)0x20001510 = 0x200014c0;
  *(uint64_t*)0x200014c0 = 0x20000000;
  memcpy((void*)0x20000000,
         "\x04\x01\x00\x00\x1a\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe0"
         "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xac\x14"
         "\x14\xaa\x00\x00\x00\x00\x00\x00\xff\xff\xff\x9e\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         64);
  *(uint32_t*)0x20000040 = 0;
  memcpy((void*)0x20000044,
         "\xe0\x15\xe1\x63\xd6\xf6\x00\x68\x98\x44\x00\x00\x08\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x3c\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x08\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\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\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x02\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x14\x00\x0e\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x2c\xb4\xcd\x94\x71\x8d\xb9"
         "\xcc\x29\x09\x1a\x1f\x11\x03\x89\x0c\x8a\x90\xd1\xcc\x93\x82\x23\x12"
         "\xa4\x74\x2c\x96\x16\xc8",
         227);
  *(uint64_t*)0x200014c8 = 3;
  *(uint64_t*)0x20001518 = 1;
  *(uint64_t*)0x20001520 = 0;
  *(uint64_t*)0x20001528 = 0;
  *(uint32_t*)0x20001530 = 0;
  syscall(__NR_sendmsg, r[6], 0x20001500, 0);
  memcpy((void*)0x20000500, "/dev/nullb0", 12);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000500, 0, 0);
  if (res != -1)
    r[7] = res;
  syscall(__NR_mmap, 0x20660000, 0x1000, 0x200000a, 0x13, r[7], 0);
  memcpy((void*)0x20000000, "/dev/cuse", 10);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000000, 0x80, 0);
  if (res != -1)
    r[8] = res;
  *(uint32_t*)0x20000080 = 0x28;
  res = syscall(__NR_getsockopt, -1, 0x84, 0x1d, 0x20000040, 0x20000080);
  if (res != -1)
    r[9] = *(uint32_t*)0x2000004c;
  *(uint32_t*)0x200000c0 = r[9];
  *(uint32_t*)0x200000c4 = -1;
  *(uint16_t*)0x200000c8 = 0x20;
  *(uint32_t*)0x20000100 = 0xc;
  syscall(__NR_getsockopt, r[8], 0x84, 0x72, 0x200000c0, 0x20000100);
  res = syscall(__NR_epoll_create1, 0);
  if (res != -1)
    r[10] = res;
  res = syz_init_net_socket(0x27, 1, 1);
  if (res != -1)
    r[11] = res;
  *(uint32_t*)0x20000080 = 0;
  *(uint64_t*)0x20000084 = 0;
  syscall(__NR_epoll_ctl, r[10], 3, r[11], 0x20000080);
  memcpy((void*)0x20000040, "security.ima", 13);
  syscall(__NR_fremovexattr, r[11], 0x20000040);
  memcpy((void*)0x20000500, "/dev/nullb0", 12);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000500, 0, 0);
  if (res != -1)
    r[12] = res;
  *(uint64_t*)0x20000000 = 0;
  *(uint64_t*)0x20000008 = 0;
  syscall(__NR_ioctl, r[12], 0xc0101282, 0x20000000);
}

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();
    do_sandbox_none();
  }
}