// https://syzkaller.appspot.com/bug?id=55f02e9ba20045c636494f26642a0420ade87e06
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/capability.h>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif

static unsigned long long procid;

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

static void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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;
}

#define MAX_FDS 30

static long syz_open_dev(volatile long a0, volatile long a1, volatile long a2)
{
  if (a0 == 0xc || a0 == 0xb) {
    char buf[128];
    sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1,
            (uint8_t)a2);
    return open(buf, O_RDWR, 0);
  } else {
    char buf[1024];
    char* hash;
    strncpy(buf, (char*)a0, sizeof(buf) - 1);
    buf[sizeof(buf) - 1] = 0;
    while ((hash = strchr(buf, '#'))) {
      *hash = '0' + (char)(a1 % 10);
      a1 /= 10;
    }
    return open(buf, a2, 0);
  }
}

static void mount_cgroups(const char* dir, const char** controllers, int count)
{
  if (mkdir(dir, 0777)) {
    return;
  }
  char enabled[128] = {0};
  int i = 0;
  for (; i < count; i++) {
    if (mount("none", dir, "cgroup", 0, controllers[i])) {
      continue;
    }
    umount(dir);
    strcat(enabled, ",");
    strcat(enabled, controllers[i]);
  }
  if (enabled[0] == 0) {
    if (rmdir(dir) && errno != EBUSY)
      exit(1);
    return;
  }
  if (mount("none", dir, "cgroup", 0, enabled + 1)) {
    if (rmdir(dir) && errno != EBUSY)
      exit(1);
  }
  if (chmod(dir, 0777)) {
  }
}

static void mount_cgroups2(const char** controllers, int count)
{
  if (mkdir("/syzcgroup/unified", 0777)) {
    return;
  }
  if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
    if (rmdir("/syzcgroup/unified") && errno != EBUSY)
      exit(1);
    return;
  }
  if (chmod("/syzcgroup/unified", 0777)) {
  }
  int control = open("/syzcgroup/unified/cgroup.subtree_control", O_WRONLY);
  if (control == -1)
    return;
  int i;
  for (i = 0; i < count; i++)
    if (write(control, controllers[i], strlen(controllers[i])) < 0) {
    }
  close(control);
}

static void setup_cgroups()
{
  const char* unified_controllers[] = {"+cpu", "+io", "+pids"};
  const char* net_controllers[] = {"net", "net_prio", "devices", "blkio",
                                   "freezer"};
  const char* cpu_controllers[] = {"cpuset", "cpuacct", "hugetlb", "rlimit",
                                   "memory"};
  if (mkdir("/syzcgroup", 0777)) {
    return;
  }
  mount_cgroups2(unified_controllers,
                 sizeof(unified_controllers) / sizeof(unified_controllers[0]));
  mount_cgroups("/syzcgroup/net", net_controllers,
                sizeof(net_controllers) / sizeof(net_controllers[0]));
  mount_cgroups("/syzcgroup/cpu", cpu_controllers,
                sizeof(cpu_controllers) / sizeof(cpu_controllers[0]));
  write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
  write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1");
}

static void setup_cgroups_loop()
{
  int pid = getpid();
  char file[128];
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
  write_file(file, "32");
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(file, sizeof(file), "%s/memory.soft_limit_in_bytes", cgroupdir);
  write_file(file, "%d", 299 << 20);
  snprintf(file, sizeof(file), "%s/memory.limit_in_bytes", cgroupdir);
  write_file(file, "%d", 300 << 20);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
}

static void setup_cgroups_test()
{
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.cpu")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.net")) {
  }
}

static void setup_common()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 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 = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  setup_common();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  setup_binderfs();
  loop();
  exit(1);
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
retry:
  while (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  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);
    while (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, MNT_DETACH | UMOUNT_NOFOLLOW))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, MNT_DETACH | UMOUNT_NOFOLLOW))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

static int inject_fault(int nth)
{
  int fd;
  fd = open("/proc/thread-self/fail-nth", O_RDWR);
  if (fd == -1)
    exit(1);
  char buf[16];
  sprintf(buf, "%d", nth);
  if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf))
    exit(1);
  return fd;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_loop()
{
  setup_cgroups_loop();
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  setup_cgroups_test();
  write_file("/proc/self/oom_score_adj", "1000");
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void close_fds()
{
  for (int fd = 3; fd < MAX_FDS; fd++)
    close(fd);
}

static void setup_fault()
{
  static struct {
    const char* file;
    const char* val;
    bool fatal;
  } files[] = {
      {"/sys/kernel/debug/failslab/ignore-gfp-wait", "N", true},
      {"/sys/kernel/debug/fail_futex/ignore-private", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/min-order", "0", false},
  };
  unsigned i;
  for (i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].file, files[i].val)) {
      if (files[i].fatal)
        exit(1);
    }
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  setup_loop();
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      close_fds();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000280, "/dev/fb0\000", 9);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000280ul,
                /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x200000c0 = 0x500;
  *(uint32_t*)0x200000c4 = 0x80;
  *(uint32_t*)0x200000c8 = 0x30;
  *(uint32_t*)0x200000cc = 0x480;
  *(uint32_t*)0x200000d0 = 0x800;
  *(uint32_t*)0x200000d4 = 0xfffffffa;
  *(uint32_t*)0x200000d8 = 1;
  *(uint32_t*)0x200000dc = 1;
  *(uint32_t*)0x200000e0 = 0xff;
  *(uint32_t*)0x200000e4 = 7;
  *(uint32_t*)0x200000e8 = 0;
  *(uint32_t*)0x200000ec = 0x641a;
  *(uint32_t*)0x200000f0 = 0x7f;
  *(uint32_t*)0x200000f4 = 1;
  *(uint32_t*)0x200000f8 = 0xfffffff7;
  *(uint32_t*)0x200000fc = 3;
  *(uint32_t*)0x20000100 = 1;
  *(uint32_t*)0x20000104 = 5;
  *(uint32_t*)0x20000108 = 9;
  *(uint32_t*)0x2000010c = 0;
  *(uint32_t*)0x20000110 = 2;
  *(uint32_t*)0x20000114 = 0x100;
  *(uint32_t*)0x20000118 = 0x80;
  *(uint32_t*)0x2000011c = 0x81;
  *(uint32_t*)0x20000120 = 1;
  *(uint32_t*)0x20000124 = 0x80000000;
  *(uint32_t*)0x20000128 = 0xff;
  *(uint32_t*)0x2000012c = 7;
  *(uint32_t*)0x20000130 = 2;
  *(uint32_t*)0x20000134 = -1;
  *(uint32_t*)0x20000138 = 8;
  *(uint32_t*)0x2000013c = 0xfffffff7;
  *(uint32_t*)0x20000140 = 0;
  *(uint32_t*)0x20000144 = 0;
  *(uint32_t*)0x20000148 = 3;
  *(uint32_t*)0x2000014c = 8;
  memset((void*)0x20000150, 0, 16);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x4601, /*arg=*/0x200000c0ul);
  res = -1;
  res = syz_open_dev(/*dev=*/0xc, /*major=*/4, /*minor=*/1);
  if (res != -1)
    r[1] = res;
  *(uint32_t*)0x20000000 = 0;
  *(uint32_t*)0x20000004 = 0;
  *(uint32_t*)0x20000008 = 0xb;
  *(uint32_t*)0x2000000c = 1;
  *(uint32_t*)0x20000010 = 0x100;
  *(uint64_t*)0x20000018 = 0x20000440;
  memcpy(
      (void*)0x20000440,
      "\x03\x58\x35\x71\x3f\xcf\xda\x5c\x82\xbe\xd3\xe0\xa4\x47\x11\x49\x1f\x34"
      "\x2f\x9b\xdf\x74\xaf\x23\xb8\x52\xf8\xf9\xa0\xbf\xae\xa6\xee\xf0\xba\x10"
      "\xd7\xa5\x37\xfe\x87\xc5\x0e\x3e\x42\x44\x0b\xf8\x1c\xe8\x10\xf6\x15\x40"
      "\x55\x3d\xb0\x45\x72\xf7\xa0\x26\x52\xf3\xa6\x64\x6c\x98\xd1\x77\xf0\x71"
      "\x21\xd0\x2f\x43\x5c\x6c\xb9\xcd\xb0\xcb\x89\xa0\x63\x00\x06\xb8\xa9\x3b"
      "\x8c\xc0\x9a\x6d\x43\xd6\x83\x64\x07\x42\xc6\xcd\x2e\x98\xef\x0a\x69\xd7"
      "\x2e\xcb\xc7\x08\xa3\xcf\xc5\xaa\xd2\xc1\x4a\x99\x34\x9f\x5f\x95\x74\x4b"
      "\x5c\x84\x1e\x31\x7a\x1a\x7d\x4a\x96\x48\x0c\x1d\x18\xc1\x3c\xeb\xe9\x20"
      "\x6b\x46\x05\x0a\x72\x28\x39\xf7\x95\xe9\x27\x49\xd1\x02\x81\xbb\xc5\x1a"
      "\xba\x63\x34\x87\x18\xba\x62\x6f\xb0\x6a\xf2\x91\x57\x74\x02\x0c\x30\xa6"
      "\x92\xcf\x01\x11\x9c\xa5\x74\x76\x7e\x8d\x93\x8e\xf3\x01\xed\xb8\xf2\x2f"
      "\xff\x97\x00\xc6\xba\xa0\x55\x5b\x03\x13\xad\x3a\xf2\x4b\x25\x98\x1a\x18"
      "\x36\x47\x43\x72\x77\xf6\xa0\xca\x73\xc1\xe1\xbf\x8c\x44\x0d\xe5\xdf\x33"
      "\xcf\x99\xc0\x4a\x75\xd9\xce\x61\x56\x42\x65\x71\x6d\xb6\x9c\x2f\x01\xb7"
      "\xd8\x4d\x69\x71\x67\x58\xf6\xa6\xa4\x44\x1d\x15\xd8\xa4\x7d\x91\x35\xe5"
      "\x99\x14\xde\xc6\x4f\xb9\xf6\xfb\x34\xa5\x93\xd9\x10\x61\x16\xe8\x8b\x08"
      "\x81\xda\x7a\xfb\xdb\xc1\xfd\xeb\xe4\xc7\x47\xe4\x2b\x6a\xca\x5a\xf9\x0a"
      "\xe2\x8e\xbb\x33\xc8\x48\x84\xa0\xc9\x5d\x85\xdf\x8e\x8a\x20\x24\xe7\x2e"
      "\xf6\x6d\x96\xd3\x7c\x84\xe7\x4b\x26\xa5\x94\x04\x47\xad\x84\xda\x0a\xbd"
      "\x90\x00\xc4\xfd\x8f\x32\x85\xc1\x02\x27\x21\x7b\xee\xe7\x52\x7c\x9a\xfa"
      "\x69\xa7\x66\x0a\xb7\x08\x00\x00\x00\x00\x00\x00\x00\x97\xaf\x6f\xa0\xc1"
      "\x79\xac\x1a\x46\x4a\x54\x8c\xb9\x36\x90\x6e\x02\x21\x61\x88\x82\x25\x2b"
      "\xaf\x97\x49\xb3\xea\xe6\x83\x5e\xc1\xfa\x05\x4a\x4d\x44\x4d\x70\x28\x3d"
      "\x4e\x7d\xc4\x8b\x5a\x84\x38\x65\xcd\x12\xbe\x43\x3d\x56\xe9\x80\xa9\x37"
      "\x05\x45\xa5\x4a\x40\x50\x6d\xd8\x1f\x1f\x91\x2a\xb6\xed\xc0\xb8\x24\x0a"
      "\xf4\x1d\x4a\x6a\xad\xcc\xf7\x40\x9c\x52\x47\xd7\x61\xb6\x03\xad\x8d\xfa"
      "\xd8\x63\x32\x2f\xe8\x68\x13\xac\x67\x89\x31\xe8\xad\x7a\x59\x24\x62\x22"
      "\xf6\x90\xbd\xe0\xd5\x19\x0c\xf8\x46\x1c\xaa\x0b\x08\x79\x9e\x6f\x34\x7c"
      "\x83\x39\x8b\xa4\xd6\x60\x87\xca\x1d\x1e\xb7\xdb\xcf\x6f\xe2\xb0\x6d\xa6"
      "\xdb\xa0\x3f\xaf\x76\x35\x18\x77\x15\x09\x6a\xb6\xd0\x09\x00\x00\x00\x00"
      "\x00\x00\x00\x44\x86\x8b\x6d\x5f\xc0\x02\x07\xf6\xaf\xc5\xcd\xde\xb6\x7b"
      "\x10\x85\x71\x92\x3e\x76\x4d\xe9\x4a\xb7\x66\x6d\x1f\xa1\x44\xae\x96\x58"
      "\xbf\xb4\xd6\x54\x43\xac\x1a\x29\x3f\x64\x68\xad\x65\xad\xd8\x06\xa6\x1f"
      "\x06\x4a\xdb\x16\x90\xcc\xb9\x09\xa5\x9c\x04\xaf\xe8\xb6\xe1\x2b\x7f\x61"
      "\xc2\xd6\xc8\x6a\xdf\xa1\x62\x54\x40\x31\x67\x2e\x2c\x18\xf5\xe9\xb7\x09"
      "\xb5\x9d\x80\x3f\xc9\xad\xef\xc4\xdd\x71\xbe\x1e\x11\xe7\x70\xa6\x7f\x5f"
      "\x9b\xfc\x06\xd3\x99\x52\xf9\xa3\xf5\xc8\x70\x8d\xbd\x19\xe4\x9b\xdb\x1c"
      "\xcc\x57\xa2\x61\x69\x7f\x58\x5b\xa0\x51\x0e\x8d\x83\xa6\xad\x4e\x4a\x06"
      "\x1a\x64\xca\x0e\x17\x32\xce\x31\x08\x9c\x6d\x10\xd8\x8b\x71\xd5\xf2\x75"
      "\xea\x81\x66\xd1\x0d\xae\xee\x10\x16\x17\x00\x00\x00\x00\x00\x00\x00\x80"
      "\x2d\x6f\x66\x79\x3c\x7b\xe5\xc8\x49\x41\xd6\xe5\x5e\x63\xef\x22\xf2\xee"
      "\x96\xae\x65\x1f\x68\x3d\xa2\x10\xa2\x0b\x42\x50\xb0\x7b\xba\xaf\xfc\x14"
      "\xea\x7c\xdc\x5a\xc4\x44\xf8\x8f\x7c\x7b\xa8\xb1\x0e\x3c\x63\x7d\x7c\xaa"
      "\x9f\xdb\x0e\x53\x3b\x9d\x40\x7b\xd4\xfe\x48\x01\x80\x00\x00\x00\x00\x00"
      "\x00\x9d\xa6\x72\xa0\x06\x6a\x17\x8a\x73\x7b\x28\xb7\xa5\xa9\x1b\x0d\xfb"
      "\x87\xdf\x14\x04\xf3\x7c\xbb\x7d\x2b\x37\xd3\x81\xe3\xc6\x83\xf3\xd3\xb2"
      "\xbd\xe9\x4b\xaa\x45\xbc\x07\x17\x45\xaf\x40\x8c\x1d\xd8\xda\xd5\xbe\x74"
      "\xb0\x4d\x30\x0c\x1e\x47\xbb\x9b\xa2\xc1\xcd\x83\x81\x7d\x85\x0a\x2b\x6a"
      "\x3c\x8b\xb8\x1b\x28\xa1\x66\x4a\xc3\xb4\x3e\x4b\x30\xde\xc0\x4a\xcc\xca"
      "\xb7\x87\xe3\x9d\x51\xc3\x45\xa0\x9e\x4e\x39\x07\x79\x4c\x5a\x97\xe3\x4f"
      "\xe2\xc1\xec\x43\x59\xb3\x08\x12\x31\x8f\x8e\x3a\xc2\x54\xad\x1b\x07\x95"
      "\x8d\xad\x56\x08\x93\xda\x4f\x1d\x39\x45\xc9\x9b\x5c\x74\xd4\x6a\xa2\xbe"
      "\xa5\x99\xad\xcd\x1c\xa0\xf1\x9b\x04\x19\x5e\xc8\x73\x8a\x7b\x6a\xf8\x2a"
      "\xe8\x44\x6f\xc1\xca\xd4\xc5\xbd\xa5\xcd\xee\x8a\x34\x9c\xe3\x70\x3b\xe1"
      "\x76\xb3\xee\x96\x9b\xad\x1c\x61\x3a\xa7\x47\xa6\x86\xad\x02\xcb\xb3\xe0"
      "\x7b\xe4\x82\x5e\xc1\xfb\x4d\xd8\x4f\xed\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
      1024);
  inject_fault(7);
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x4b72, /*arg=*/0x20000000ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  setup_cgroups();
  setup_fault();
  use_temporary_dir();
  do_sandbox_none();
  return 0;
}