// https://syzkaller.appspot.com/bug?id=243e0715a45f0d31b8bc9f345310e4035eaf9561
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.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 <unistd.h>

#include <linux/capability.h>
#include <linux/loop.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

static __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  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(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

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 SIZEOF_IO_URING_SQE 64
#define SIZEOF_IO_URING_CQE 16
#define SQ_HEAD_OFFSET 0
#define SQ_TAIL_OFFSET 64
#define SQ_RING_MASK_OFFSET 256
#define SQ_RING_ENTRIES_OFFSET 264
#define SQ_FLAGS_OFFSET 276
#define SQ_DROPPED_OFFSET 272
#define CQ_HEAD_OFFSET 128
#define CQ_TAIL_OFFSET 192
#define CQ_RING_MASK_OFFSET 260
#define CQ_RING_ENTRIES_OFFSET 268
#define CQ_RING_OVERFLOW_OFFSET 284
#define CQ_FLAGS_OFFSET 280
#define CQ_CQES_OFFSET 320

static long syz_io_uring_submit(volatile long a0, volatile long a1,
                                volatile long a2, volatile long a3)
{
  char* ring_ptr = (char*)a0;
  char* sqes_ptr = (char*)a1;
  char* sqe = (char*)a2;
  uint32_t sqes_index = (uint32_t)a3;
  uint32_t sq_ring_entries = *(uint32_t*)(ring_ptr + SQ_RING_ENTRIES_OFFSET);
  uint32_t cq_ring_entries = *(uint32_t*)(ring_ptr + CQ_RING_ENTRIES_OFFSET);
  uint32_t sq_array_off =
      (CQ_CQES_OFFSET + cq_ring_entries * SIZEOF_IO_URING_CQE + 63) & ~63;
  if (sq_ring_entries)
    sqes_index %= sq_ring_entries;
  char* sqe_dest = sqes_ptr + sqes_index * SIZEOF_IO_URING_SQE;
  memcpy(sqe_dest, sqe, SIZEOF_IO_URING_SQE);
  uint32_t sq_ring_mask = *(uint32_t*)(ring_ptr + SQ_RING_MASK_OFFSET);
  uint32_t* sq_tail_ptr = (uint32_t*)(ring_ptr + SQ_TAIL_OFFSET);
  uint32_t sq_tail = *sq_tail_ptr & sq_ring_mask;
  uint32_t sq_tail_next = *sq_tail_ptr + 1;
  uint32_t* sq_array = (uint32_t*)(ring_ptr + sq_array_off);
  *(sq_array + sq_tail) = sqes_index;
  __atomic_store_n(sq_tail_ptr, sq_tail_next, __ATOMIC_RELEASE);
  return 0;
}

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);
  }
}

struct fs_image_segment {
  void* data;
  uintptr_t size;
  uintptr_t offset;
};

#define IMAGE_MAX_SEGMENTS 4096
#define IMAGE_MAX_SIZE (129 << 20)

static unsigned long fs_image_segment_check(unsigned long size,
                                            unsigned long nsegs,
                                            struct fs_image_segment* segs)
{
  if (nsegs > IMAGE_MAX_SEGMENTS)
    nsegs = IMAGE_MAX_SEGMENTS;
  for (size_t i = 0; i < nsegs; i++) {
    if (segs[i].size > IMAGE_MAX_SIZE)
      segs[i].size = IMAGE_MAX_SIZE;
    segs[i].offset %= IMAGE_MAX_SIZE;
    if (segs[i].offset > IMAGE_MAX_SIZE - segs[i].size)
      segs[i].offset = IMAGE_MAX_SIZE - segs[i].size;
    if (size < segs[i].offset + segs[i].offset)
      size = segs[i].offset + segs[i].offset;
  }
  if (size > IMAGE_MAX_SIZE)
    size = IMAGE_MAX_SIZE;
  return size;
}
static int setup_loop_device(long unsigned size, long unsigned nsegs,
                             struct fs_image_segment* segs,
                             const char* loopname, int* memfd_p, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  size = fs_image_segment_check(size, nsegs, segs);
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (ftruncate(memfd, size)) {
    err = errno;
    goto error_close_memfd;
  }
  for (size_t i = 0; i < nsegs; i++) {
    if (pwrite(memfd, segs[i].data, segs[i].size, segs[i].offset) < 0) {
    }
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  *memfd_p = memfd;
  *loopfd_p = loopfd;
  return 0;

error_close_loop:
  close(loopfd);
error_close_memfd:
  close(memfd);
error:
  errno = err;
  return -1;
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile unsigned long size,
                            volatile unsigned long nsegs,
                            volatile long segments, volatile long flags,
                            volatile long optsarg)
{
  struct fs_image_segment* segs = (struct fs_image_segment*)segments;
  int res = -1, err = 0, loopfd = -1, memfd = -1, need_loop_device = !!segs;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(size, nsegs, segs, loopname, &memfd, &loopfd) == -1)
      return -1;
    source = loopname;
  }
  mkdir(target, 0777);
  char opts[256];
  memset(opts, 0, sizeof(opts));
  if (strlen(mount_opts) > (sizeof(opts) - 32)) {
  }
  strncpy(opts, mount_opts, sizeof(opts) - 32);
  if (strcmp(fs, "iso9660") == 0) {
    flags |= MS_RDONLY;
  } else if (strncmp(fs, "ext", 3) == 0) {
    if (strstr(opts, "errors=panic") || strstr(opts, "errors=remount-ro") == 0)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  }
  res = mount(source, target, fs, flags, opts);
  if (res == -1) {
    err = errno;
    goto error_clear_loop;
  }
  res = open(target, O_RDONLY | O_DIRECTORY);
  if (res == -1) {
    err = errno;
  }

error_clear_loop:
  if (need_loop_device) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
    close(memfd);
  }
  errno = err;
  return res;
}

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)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

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 = 0;
  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)) {
  }
  setup_binderfs();
  loop();
  exit(1);
}

void loop(void)
{
  NONFAILING(syz_open_dev(0, 2, 2));
  NONFAILING(memcpy((void*)0x20000000, "f2fs\000", 5));
  NONFAILING(memcpy((void*)0x20000100, "./file0\000", 8));
  NONFAILING(*(uint64_t*)0x20000200 = 0x20010000);
  NONFAILING(
      memcpy((void*)0x20010000,
             "\x10\x20\xf5\xf2\x01\x00\x0b\x00\x09\x00\x00\x00\x03\x00\x00\x00"
             "\x0c\x00\x00\x00\x09\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x40\x00\x00\x00\x00\x00\x00\x18\x00\x00\x00"
             "\x1f\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00"
             "\x01\x00\x00\x00\x18\x00\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00"
             "\x00\x06\x00\x00\x00\x0a\x00\x00\x00\x0e\x00\x00\x00\x10\x00\x00"
             "\x03\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\xd9\x34\x3a\xda"
             "\x21\x81\x41\xd8\xba\x1b\x29\xcf\x67\x06\x18\x14\x00\x00\x00\x00",
             128));
  NONFAILING(*(uint64_t*)0x20000208 = 0x80);
  NONFAILING(*(uint64_t*)0x20000210 = 0x400);
  NONFAILING(*(uint64_t*)0x20000218 = 0);
  NONFAILING(*(uint64_t*)0x20000220 = 0);
  NONFAILING(*(uint64_t*)0x20000228 = 0x860);
  NONFAILING(*(uint64_t*)0x20000230 = 0);
  NONFAILING(*(uint64_t*)0x20000238 = 0);
  NONFAILING(*(uint64_t*)0x20000240 = 0xa80);
  NONFAILING(*(uint64_t*)0x20000248 = 0);
  NONFAILING(*(uint64_t*)0x20000250 = 0);
  NONFAILING(*(uint64_t*)0x20000258 = 0xb80);
  NONFAILING(*(uint64_t*)0x20000260 = 0);
  NONFAILING(*(uint64_t*)0x20000268 = 0);
  NONFAILING(*(uint64_t*)0x20000270 = 0xc80);
  NONFAILING(*(uint64_t*)0x20000278 = 0);
  NONFAILING(*(uint64_t*)0x20000280 = 0);
  NONFAILING(*(uint64_t*)0x20000288 = 0xec0);
  NONFAILING(*(uint64_t*)0x20000290 = 0);
  NONFAILING(*(uint64_t*)0x20000298 = 0);
  NONFAILING(*(uint64_t*)0x200002a0 = 0x1400);
  NONFAILING(*(uint64_t*)0x200002a8 = 0);
  NONFAILING(*(uint64_t*)0x200002b0 = 0);
  NONFAILING(*(uint64_t*)0x200002b8 = 0x1860);
  NONFAILING(*(uint64_t*)0x200002c0 = 0);
  NONFAILING(*(uint64_t*)0x200002c8 = 0);
  NONFAILING(*(uint64_t*)0x200002d0 = 0x1a80);
  NONFAILING(*(uint64_t*)0x200002d8 = 0);
  NONFAILING(*(uint64_t*)0x200002e0 = 0);
  NONFAILING(*(uint64_t*)0x200002e8 = 0x1b80);
  NONFAILING(*(uint64_t*)0x200002f0 = 0);
  NONFAILING(*(uint64_t*)0x200002f8 = 0);
  NONFAILING(*(uint64_t*)0x20000300 = 0x1c80);
  NONFAILING(*(uint64_t*)0x20000308 = 0);
  NONFAILING(*(uint64_t*)0x20000310 = 0);
  NONFAILING(*(uint64_t*)0x20000318 = 0x1ec0);
  NONFAILING(*(uint64_t*)0x20000320 = 0);
  NONFAILING(*(uint64_t*)0x20000328 = 0);
  NONFAILING(*(uint64_t*)0x20000330 = 0x200000);
  NONFAILING(*(uint64_t*)0x20000338 = 0);
  NONFAILING(*(uint64_t*)0x20000340 = 0);
  NONFAILING(*(uint64_t*)0x20000348 = 0x200fe0);
  NONFAILING(*(uint64_t*)0x20000350 = 0);
  NONFAILING(*(uint64_t*)0x20000358 = 0);
  NONFAILING(*(uint64_t*)0x20000360 = 0x2011e0);
  NONFAILING(*(uint64_t*)0x20000368 = 0);
  NONFAILING(*(uint64_t*)0x20000370 = 0);
  NONFAILING(*(uint64_t*)0x20000378 = 0x201240);
  NONFAILING(*(uint64_t*)0x20000380 = 0);
  NONFAILING(*(uint64_t*)0x20000388 = 0);
  NONFAILING(*(uint64_t*)0x20000390 = 0x201280);
  NONFAILING(*(uint64_t*)0x20000398 = 0);
  NONFAILING(*(uint64_t*)0x200003a0 = 0);
  NONFAILING(*(uint64_t*)0x200003a8 = 0x2012e0);
  NONFAILING(*(uint64_t*)0x200003b0 = 0);
  NONFAILING(*(uint64_t*)0x200003b8 = 0);
  NONFAILING(*(uint64_t*)0x200003c0 = 0x201320);
  NONFAILING(*(uint64_t*)0x200003c8 = 0);
  NONFAILING(*(uint64_t*)0x200003d0 = 0);
  NONFAILING(*(uint64_t*)0x200003d8 = 0x201380);
  NONFAILING(*(uint64_t*)0x200003e0 = 0);
  NONFAILING(*(uint64_t*)0x200003e8 = 0);
  NONFAILING(*(uint64_t*)0x200003f0 = 0x2013e0);
  NONFAILING(*(uint64_t*)0x200003f8 = 0);
  NONFAILING(*(uint64_t*)0x20000400 = 0);
  NONFAILING(*(uint64_t*)0x20000408 = 0x202000);
  NONFAILING(*(uint64_t*)0x20000410 = 0);
  NONFAILING(*(uint64_t*)0x20000418 = 0);
  NONFAILING(*(uint64_t*)0x20000420 = 0x202e00);
  NONFAILING(*(uint64_t*)0x20000428 = 0);
  NONFAILING(*(uint64_t*)0x20000430 = 0);
  NONFAILING(*(uint64_t*)0x20000438 = 0x202fe0);
  NONFAILING(*(uint64_t*)0x20000440 = 0);
  NONFAILING(*(uint64_t*)0x20000448 = 0);
  NONFAILING(*(uint64_t*)0x20000450 = 0x203fe0);
  NONFAILING(*(uint64_t*)0x20000458 = 0);
  NONFAILING(*(uint64_t*)0x20000460 = 0);
  NONFAILING(*(uint64_t*)0x20000468 = 0x204fe0);
  NONFAILING(*(uint64_t*)0x20000470 = 0);
  NONFAILING(*(uint64_t*)0x20000478 = 0);
  NONFAILING(*(uint64_t*)0x20000480 = 0x205fe0);
  NONFAILING(*(uint64_t*)0x20000488 = 0);
  NONFAILING(*(uint64_t*)0x20000490 = 0);
  NONFAILING(*(uint64_t*)0x20000498 = 0x3ff000);
  NONFAILING(*(uint64_t*)0x200004a0 = 0);
  NONFAILING(*(uint64_t*)0x200004a8 = 0);
  NONFAILING(*(uint64_t*)0x200004b0 = 0x3ff040);
  NONFAILING(*(uint64_t*)0x200004b8 = 0x20011f00);
  NONFAILING(memcpy(
      (void*)0x20011f00,
      "\xd6\x3c\xd4\x7a\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x0b\x00"
      "\x00\x00\x00\x00\x00\x00\x0d\x00\x00\x00\x10\x00\x00\x00\x12\x00\x00\x00"
      "\x17\x00\x00\x00\x16\x00\x00\x00\x15\x00\x00\x00\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x03\x00\x06\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x14\x00\x00\x00\x01\x00"
      "\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\xc5\x00\x00\x00\x06\x00\x00\x00\x01\x00\x00\x00"
      "\x07\x00\x00\x00\x07\x00\x00\x00\x0a\x00\x00\x00\x40\x00\x00\x00\x40\x00"
      "\x00\x00\xfc\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00",
      180));
  NONFAILING(*(uint64_t*)0x200004c0 = 0xb4);
  NONFAILING(*(uint64_t*)0x200004c8 = 0x400000);
  NONFAILING(*(uint64_t*)0x200004d0 = 0x20012000);
  NONFAILING(
      memcpy((void*)0x20012000,
             "\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\x6f\xf5\x19\x72"
             "\x00\x00\x03\x00\x00\x00\x00\x03\x00\x00\x00\x00\x3e\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             64));
  NONFAILING(*(uint64_t*)0x200004d8 = 0x40);
  NONFAILING(*(uint64_t*)0x200004e0 = 0x400fe0);
  NONFAILING(*(uint64_t*)0x200004e8 = 0x20012100);
  NONFAILING(
      memcpy((void*)0x20012100,
             "\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\x06\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",
             64));
  NONFAILING(*(uint64_t*)0x200004f0 = 0x40);
  NONFAILING(*(uint64_t*)0x200004f8 = 0x4011e0);
  NONFAILING(*(uint64_t*)0x20000500 = 0);
  NONFAILING(*(uint64_t*)0x20000508 = 0);
  NONFAILING(*(uint64_t*)0x20000510 = 0x401280);
  NONFAILING(*(uint64_t*)0x20000518 = 0);
  NONFAILING(*(uint64_t*)0x20000520 = 0);
  NONFAILING(*(uint64_t*)0x20000528 = 0x4012e0);
  NONFAILING(*(uint64_t*)0x20000530 = 0x20012500);
  NONFAILING(
      memcpy((void*)0x20012500,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x16\x00\x00\x00\x05\x10\xec\x00\x00",
             30));
  NONFAILING(*(uint64_t*)0x20000538 = 0x1e);
  NONFAILING(*(uint64_t*)0x20000540 = 0x401320);
  NONFAILING(*(uint64_t*)0x20000548 = 0x20012600);
  NONFAILING(
      memcpy((void*)0x20012600,
             "\x00\x00\x00\x17\x00\x00\x00\x02\x0c\x60\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000550 = 0x20);
  NONFAILING(*(uint64_t*)0x20000558 = 0x401380);
  NONFAILING(*(uint64_t*)0x20000560 = 0);
  NONFAILING(*(uint64_t*)0x20000568 = 0);
  NONFAILING(*(uint64_t*)0x20000570 = 0x4013e0);
  NONFAILING(*(uint64_t*)0x20000578 = 0);
  NONFAILING(*(uint64_t*)0x20000580 = 0);
  NONFAILING(*(uint64_t*)0x20000588 = 0x402000);
  NONFAILING(*(uint64_t*)0x20000590 = 0);
  NONFAILING(*(uint64_t*)0x20000598 = 0);
  NONFAILING(*(uint64_t*)0x200005a0 = 0x402e00);
  NONFAILING(*(uint64_t*)0x200005a8 = 0);
  NONFAILING(*(uint64_t*)0x200005b0 = 0);
  NONFAILING(*(uint64_t*)0x200005b8 = 0x402fe0);
  NONFAILING(*(uint64_t*)0x200005c0 = 0);
  NONFAILING(*(uint64_t*)0x200005c8 = 0);
  NONFAILING(*(uint64_t*)0x200005d0 = 0x403fe0);
  NONFAILING(*(uint64_t*)0x200005d8 = 0x20012c00);
  NONFAILING(memcpy(
      (void*)0x20012c00,
      "\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\xd6\x3c\xd4\x7a"
      "\x00\x00\x00\x00\x00\x10\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00"
      "\x00\x00\x0d\x00\x00\x00\x10\x00\x00\x00\x12\x00\x00\x00\x17\x00\x00\x00"
      "\x16\x00\x00\x00\x15\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x03\x00\x06\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x14\x00\x00\x00\x01\x00\x00\x00\x00\x00"
      "\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\xc5\x00\x00\x00\x06\x00\x00\x00\x01\x00\x00\x00\x07\x00\x00\x00"
      "\x07\x00\x00\x00\x0a\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x00\xfc\x0f"
      "\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",
      224));
  NONFAILING(*(uint64_t*)0x200005e0 = 0xe0);
  NONFAILING(*(uint64_t*)0x200005e8 = 0x404fe0);
  NONFAILING(*(uint64_t*)0x200005f0 = 0x20012d00);
  NONFAILING(
      memcpy((void*)0x20012d00,
             "\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\x6f\xf5\x19\x72",
             32));
  NONFAILING(*(uint64_t*)0x200005f8 = 0x20);
  NONFAILING(*(uint64_t*)0x20000600 = 0x405fe0);
  NONFAILING(*(uint64_t*)0x20000608 = 0);
  NONFAILING(*(uint64_t*)0x20000610 = 0);
  NONFAILING(*(uint64_t*)0x20000618 = 0x5ff000);
  NONFAILING(*(uint64_t*)0x20000620 = 0);
  NONFAILING(*(uint64_t*)0x20000628 = 0);
  NONFAILING(*(uint64_t*)0x20000630 = 0x5ff040);
  NONFAILING(*(uint64_t*)0x20000638 = 0x20013000);
  NONFAILING(
      memcpy((void*)0x20013000,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00"
             "\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00\x00\x03\x00\x00\x00"
             "\x01\x3e\x00\x00\x00\x04\x00\x00\x00\x02\x3e\x00\x00\x00\x05\x00"
             "\x00\x00\x00\x3c\x00\x00\x00\x06\x00\x00\x00\x01\x3c\x00\x00\x00"
             "\x07\x00\x00\x00\x02\x3c\x00\x00\x00\x08\x00\x00\x00\x05\x3c\x00"
             "\x00\x00\x09\x00\x00\x00\x04\x3c\x00\x00\x00\x00\x00\x00\x00\x00",
             96));
  NONFAILING(*(uint64_t*)0x20000640 = 0x60);
  NONFAILING(*(uint64_t*)0x20000648 = 0xa00000);
  NONFAILING(*(uint64_t*)0x20000650 = 0);
  NONFAILING(*(uint64_t*)0x20000658 = 0);
  NONFAILING(*(uint64_t*)0x20000660 = 0xc00000);
  NONFAILING(*(uint64_t*)0x20000668 = 0);
  NONFAILING(*(uint64_t*)0x20000670 = 0);
  NONFAILING(*(uint64_t*)0x20000678 = 0x3801000);
  NONFAILING(*(uint64_t*)0x20000680 = 0);
  NONFAILING(*(uint64_t*)0x20000688 = 0);
  NONFAILING(*(uint64_t*)0x20000690 = 0x3801940);
  NONFAILING(*(uint64_t*)0x20000698 = 0);
  NONFAILING(*(uint64_t*)0x200006a0 = 0);
  NONFAILING(*(uint64_t*)0x200006a8 = 0x3c00000);
  NONFAILING(*(uint64_t*)0x200006b0 = 0);
  NONFAILING(*(uint64_t*)0x200006b8 = 0);
  NONFAILING(*(uint64_t*)0x200006c0 = 0x3c00160);
  NONFAILING(*(uint64_t*)0x200006c8 = 0);
  NONFAILING(*(uint64_t*)0x200006d0 = 0);
  NONFAILING(*(uint64_t*)0x200006d8 = 0x3c00fe0);
  NONFAILING(*(uint64_t*)0x200006e0 = 0);
  NONFAILING(*(uint64_t*)0x200006e8 = 0);
  NONFAILING(*(uint64_t*)0x200006f0 = 0x3c01160);
  NONFAILING(*(uint64_t*)0x200006f8 = 0);
  NONFAILING(*(uint64_t*)0x20000700 = 0);
  NONFAILING(*(uint64_t*)0x20000708 = 0x3c01fe0);
  NONFAILING(*(uint64_t*)0x20000710 = 0);
  NONFAILING(*(uint64_t*)0x20000718 = 0);
  NONFAILING(*(uint64_t*)0x20000720 = 0x3c02160);
  NONFAILING(*(uint64_t*)0x20000728 = 0);
  NONFAILING(*(uint64_t*)0x20000730 = 0);
  NONFAILING(*(uint64_t*)0x20000738 = 0x3c02f00);
  NONFAILING(*(uint64_t*)0x20000740 = 0);
  NONFAILING(*(uint64_t*)0x20000748 = 0);
  NONFAILING(*(uint64_t*)0x20000750 = 0x3c02fe0);
  NONFAILING(*(uint64_t*)0x20000758 = 0);
  NONFAILING(*(uint64_t*)0x20000760 = 0);
  NONFAILING(*(uint64_t*)0x20000768 = 0x3c04000);
  NONFAILING(*(uint64_t*)0x20000770 = 0);
  NONFAILING(*(uint64_t*)0x20000778 = 0);
  NONFAILING(*(uint64_t*)0x20000780 = 0x3c04160);
  NONFAILING(*(uint64_t*)0x20000788 = 0);
  NONFAILING(*(uint64_t*)0x20000790 = 0);
  NONFAILING(*(uint64_t*)0x20000798 = 0x3c04fe0);
  NONFAILING(*(uint64_t*)0x200007a0 = 0);
  NONFAILING(*(uint64_t*)0x200007a8 = 0);
  NONFAILING(*(uint64_t*)0x200007b0 = 0x3c05160);
  NONFAILING(*(uint64_t*)0x200007b8 = 0);
  NONFAILING(*(uint64_t*)0x200007c0 = 0);
  NONFAILING(*(uint64_t*)0x200007c8 = 0x3c05fe0);
  NONFAILING(*(uint64_t*)0x200007d0 = 0x20014500);
  NONFAILING(
      memcpy((void*)0x20014500,
             "\xed\x41\x00\x00\x5c\xf9\x01\x00\x53\x5f\x01\x00\x03\x00\x00\x00"
             "\x00\x10\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00"
             "\x14\xbc\x64\x5f\x00\x00\x00\x00\x14\xbc\x64\x5f\x00\x00\x00\x00"
             "\x14\xbc\x64\x5f\x00\x00\x00\x00\x00\x00\x00\x00\xe0\x1f\x21\x31"
             "\xe0\x1f\x21\x31\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",
             96));
  NONFAILING(*(uint64_t*)0x200007d8 = 0x60);
  NONFAILING(*(uint64_t*)0x200007e0 = 0x3e01000);
  NONFAILING(*(uint64_t*)0x200007e8 = 0);
  NONFAILING(*(uint64_t*)0x200007f0 = 0);
  NONFAILING(*(uint64_t*)0x200007f8 = 0x3e01160);
  NONFAILING(*(uint64_t*)0x20000800 = 0x20014700);
  NONFAILING(memcpy(
      (void*)0x20014700,
      "\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x03\x00\x00\x00\x00\x00"
      "\x00\x00\xd3\x3c\xd4\x7a\x00\x00\x00\x00\x02\x3e\x00\x00\xed\x41\x00\x05"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\xa0\x0d\x00\x00\x00\x00"
      "\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x14\xbc\x64\x5f\x00\x00\x00\x00"
      "\x14\xbc\x64\x5f\x00\x00\x00\x00\x14\xbc\x64\x5f\x00\x00\x00\x00\xe0\x1f"
      "\x21\x31\xe0\x1f\x21\x31\xe0\x1f\x21\x31\x4b\xb6\x37\xfc\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x10\x00\x00\x03\x00\x00\x00\x05\x00\x00\x00\x66\x69"
      "\x6c\x65\x30\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",
      160));
  NONFAILING(*(uint64_t*)0x20000808 = 0xa0);
  NONFAILING(*(uint64_t*)0x20000810 = 0x3e01fe0);
  NONFAILING(*(uint64_t*)0x20000818 = 0);
  NONFAILING(*(uint64_t*)0x20000820 = 0);
  NONFAILING(*(uint64_t*)0x20000828 = 0x3e02160);
  NONFAILING(*(uint64_t*)0x20000830 = 0);
  NONFAILING(*(uint64_t*)0x20000838 = 0);
  NONFAILING(*(uint64_t*)0x20000840 = 0x3e02940);
  NONFAILING(*(uint64_t*)0x20000848 = 0);
  NONFAILING(*(uint64_t*)0x20000850 = 0);
  NONFAILING(*(uint64_t*)0x20000858 = 0x3e02fe0);
  NONFAILING(*(uint8_t*)0x20014b00 = 0);
  NONFAILING(syz_mount_image(0x20000000, 0x20000100, 0x4000000, 0x44,
                             0x20000200, 0, 0x20014b00));
  NONFAILING(syz_io_uring_submit(0, 0, 0, 0x10001));
  syscall(__NR_perf_event_open, 0ul, 0, -1ul, -1, 0ul);
  syscall(__NR_timer_create, 0ul, 0ul, 0ul);
  syscall(__NR_socket, 0x1eul, 5ul, 0);
  syscall(__NR_setsockopt, -1, 0x10f, 0x88, 0, 0);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  install_segv_handler();
  do_sandbox_none();
  return 0;
}