// https://syzkaller.appspot.com/bug?id=de3f8ed467b7ff2e84cb3f1fe82bbf32ec7b687d
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <setjmp.h>
#include <signal.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/mman.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.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;                                                                        \
  })

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, max_destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  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;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

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

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

static long syz_mount_image(volatile long fsarg, volatile long dir,
                            volatile long flags, volatile long optsarg,
                            volatile long change_dir,
                            volatile unsigned long size, volatile long image)
{
  unsigned char* data = (unsigned char*)image;
  int res = -1, err = 0, need_loop_device = !!size;
  char* mount_opts = (char*)optsarg;
  char* target = (char*)dir;
  char* fs = (char*)fsarg;
  char* source = NULL;
  char loopname[64];
  if (need_loop_device) {
    int loopfd;
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &loopfd) == -1)
      return -1;
    close(loopfd);
    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) {
    bool has_remount_ro = false;
    char* remount_ro_start = strstr(opts, "errors=remount-ro");
    if (remount_ro_start != NULL) {
      char after = *(remount_ro_start + strlen("errors=remount-ro"));
      char before = remount_ro_start == opts ? '\0' : *(remount_ro_start - 1);
      has_remount_ro = ((before == '\0' || before == ',') &&
                        (after == '\0' || after == ','));
    }
    if (strstr(opts, "errors=panic") || !has_remount_ro)
      strcat(opts, ",errors=continue");
  } else if (strcmp(fs, "xfs") == 0) {
    strcat(opts, ",nouuid");
  } else if (strncmp(fs, "gfs2", 4) == 0 &&
             (strstr(opts, "errors=panic") || strstr(opts, "debug"))) {
    strcat(opts, ",errors=withdraw");
  }
  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;
    goto error_clear_loop;
  }
  if (change_dir) {
    res = chdir(target);
    if (res == -1) {
      err = errno;
    }
  }

error_clear_loop:
  if (need_loop_device)
    reset_loop_device(loopname);
  errno = err;
  return res;
}

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

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  install_segv_handler();
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  syz_mount_image$ext4 arguments: [
  //    fs: ptr[in, buffer] {
  //      buffer: {65 78 74 34 00} (length 0x5)
  //    }
  //    dir: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: mount_flags = 0x408e (8 bytes)
  //    opts: ptr[in, fs_options[ext4_options]] {
  //      fs_options[ext4_options] {
  //        elems: array[fs_opt_elem[ext4_options]] {
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              debug_want_extra_isize: fs_opt["debug_want_extra_isize",
  //              fmt[hex, int32]] {
  //                name: buffer: {64 65 62 75 67 5f 77 61 6e 74 5f 65 78 74 72
  //                61 5f 69 73 69 7a 65} (length 0x16) eq: const = 0x3d (1
  //                bytes) val: int32 = 0x2e (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              lazytime: buffer: {6c 61 7a 79 74 69 6d 65} (length 0x8)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              jqfmt_vfsv0: buffer: {6a 71 66 6d 74 3d 76 66 73 76 30}
  //              (length 0xb)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              stripe: fs_opt["stripe", fmt[hex, int32]] {
  //                name: buffer: {73 74 72 69 70 65} (length 0x6)
  //                eq: const = 0x3d (1 bytes)
  //                val: int32 = 0x4000 (18 bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              errors_remount: buffer: {65 72 72 6f 72 73 3d 72 65 6d 6f 75
  //              6e 74 2d 72 6f} (length 0x11)
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //          fs_opt_elem[ext4_options] {
  //            elem: union ext4_options {
  //              max_batch_time: fs_opt["max_batch_time", fmt[hex, int32]] {
  //                name: buffer: {6d 61 78 5f 62 61 74 63 68 5f 74 69 6d 65}
  //                (length 0xe) eq: const = 0x3d (1 bytes) val: int32 = 0x4 (18
  //                bytes)
  //              }
  //            }
  //            comma: const = 0x2c (1 bytes)
  //          }
  //        }
  //        common: array[fs_opt_elem[fs_options_common]] {
  //        }
  //        null: const = 0x0 (1 bytes)
  //      }
  //    }
  //    chdir: int8 = 0x3 (1 bytes)
  //    size: len = 0x43a (8 bytes)
  //    img: ptr[in, buffer] {
  //      buffer: (compressed buffer with length 0x43a)
  //    }
  //  ]
  //  returns fd_dir
  NONFAILING(memcpy((void*)0x200000000040, "ext4\000", 5));
  NONFAILING(memcpy((void*)0x200000000200, "./file1\000", 8));
  NONFAILING(memcpy((void*)0x200000000240, "debug_want_extra_isize", 22));
  NONFAILING(*(uint8_t*)0x200000000256 = 0x3d);
  NONFAILING(sprintf((char*)0x200000000257, "0x%016llx", (long long)0x2e));
  NONFAILING(*(uint8_t*)0x200000000269 = 0x2c);
  NONFAILING(memcpy((void*)0x20000000026a, "lazytime", 8));
  NONFAILING(*(uint8_t*)0x200000000272 = 0x2c);
  NONFAILING(memcpy((void*)0x200000000273, "jqfmt=vfsv0", 11));
  NONFAILING(*(uint8_t*)0x20000000027e = 0x2c);
  NONFAILING(memcpy((void*)0x20000000027f, "stripe", 6));
  NONFAILING(*(uint8_t*)0x200000000285 = 0x3d);
  NONFAILING(sprintf((char*)0x200000000286, "0x%016llx", (long long)0x4000));
  NONFAILING(*(uint8_t*)0x200000000298 = 0x2c);
  NONFAILING(memcpy((void*)0x200000000299, "errors=remount-ro", 17));
  NONFAILING(*(uint8_t*)0x2000000002aa = 0x2c);
  NONFAILING(memcpy((void*)0x2000000002ab, "max_batch_time", 14));
  NONFAILING(*(uint8_t*)0x2000000002b9 = 0x3d);
  NONFAILING(sprintf((char*)0x2000000002ba, "0x%016llx", (long long)4));
  NONFAILING(*(uint8_t*)0x2000000002cc = 0x2c);
  NONFAILING(*(uint8_t*)0x2000000002cd = 0);
  NONFAILING(memcpy(
      (void*)0x200000000340,
      "\x78\x9c\xec\xdb\xcb\x6f\x1b\x45\x18\x00\xf0\x6f\xd7\x71\x4a\x5f\x24\x94"
      "\xf2\xe8\x03\x08\x14\x44\xc4\x23\x69\xd2\x02\x3d\x70\x01\x81\xc4\x01\x24"
      "\x24\x38\x94\x63\x48\xd2\xaa\xd4\x6d\x50\x13\x24\x5a\x55\x10\x10\x2a\x47"
      "\x54\x89\x3b\xe2\x88\xc4\x5f\xc0\x09\x2e\x08\x38\x21\x71\x85\x3b\xaa\x54"
      "\xa1\x5c\x5a\x38\x19\xad\xbd\x9b\x38\x8e\x9d\x26\xc1\x8e\x4b\xfd\xfb\x49"
      "\x9b\xcc\xec\x8e\x33\xf3\x79\x76\xec\xd9\x9d\x6c\x00\x7d\x6b\x24\xfb\x91"
      "\x44\xec\x89\x88\xdf\x23\x62\xa8\x9e\x5d\x5d\x60\xa4\xfe\xeb\xe6\xd2\xe5"
      "\xe9\xbf\x97\x2e\x4f\x27\x51\xad\xbe\xf5\x57\x52\x2b\x77\x63\xe9\xf2\x74"
      "\x51\xb4\x78\xdd\xee\x3c\x33\x9a\x46\xa4\x9f\x25\x71\xa8\x45\xbd\xf3\x17"
      "\x2f\x9d\x9d\xaa\x54\x66\x2f\xe4\xf9\xf1\x85\x73\xef\x8f\xcf\x5f\xbc\xf4"
      "\xec\x99\x73\x53\xa7\x67\x4f\xcf\x9e\x9f\x3c\x71\xe2\xf8\xb1\x89\x17\x9e"
      "\x9f\x7c\xae\x23\x71\x66\x6d\xba\x71\xf0\xa3\xb9\xc3\x07\x5e\x7b\xe7\xea"
      "\x1b\xd3\x27\xaf\xbe\xfb\xf3\xb7\x49\x11\x7f\x53\x1c\x1d\x32\xb2\xde\xc1"
      "\x27\xaa\xd5\x0e\x57\xd7\x5b\x7b\x1b\xd2\xc9\x40\x0f\x1b\xc2\xa6\x94\x22"
      "\x22\xeb\xae\x72\x6d\xfc\x0f\x45\x29\x56\x3a\x6f\x28\x5e\xfd\xb4\xa7\x8d"
      "\x03\xba\xaa\x5a\xad\x56\x77\xb7\x3f\xbc\x58\x05\xee\x60\x49\x6c\xb4\xe4"
      "\xd9\xfc\xf3\x02\xb8\x33\x14\x5f\xf4\xd9\xf5\x6f\xb1\x6d\xd3\xd4\xe3\xb6"
      "\x70\xfd\xa5\xfa\x05\x50\x16\xf7\xcd\x7c\xab\x1f\x19\x88\x34\x2f\x53\x6e"
      "\xba\xbe\xed\xa4\x91\x88\x38\xb9\xf8\xcf\x57\xd9\x16\xdd\xb9\x0f\x01\x00"
      "\xb0\xca\xf7\xd9\xfc\xe7\x99\x56\xf3\xbf\x34\xee\x6f\x28\x77\x77\xbe\x36"
      "\x34\x1c\x11\xf7\x44\xc4\xbe\x88\xb8\x37\x22\xf6\x47\xc4\x7d\x11\xb5\xb2"
      "\x0f\x44\xc4\x83\x9b\xac\xbf\x79\x91\x64\xed\xfc\x27\xbd\xb6\xa5\xc0\x36"
      "\x28\x9b\xff\xbd\x98\xaf\x6d\xad\x9e\xff\x15\xb3\xbf\x18\x2e\xe5\xb9\xbd"
      "\xb5\xf8\xcb\xc9\xa9\x33\x95\xd9\xa3\xf9\x7b\x32\x1a\xe5\x1d\x59\x7e\x62"
      "\x9d\x3a\x7e\x78\xe5\xb7\x2f\xda\x1d\x6b\x9c\xff\x65\x5b\x56\x7f\x31\x17"
      "\xcc\xdb\x71\x6d\x60\xc7\xea\xd7\xcc\x4c\x2d\x4c\xfd\x97\x98\x1b\x5d\xff"
      "\x24\xe2\xe0\x40\xab\xf8\x93\xe5\x95\x80\x24\x22\x0e\x44\xc4\xc1\x2d\xd6"
      "\x71\xe6\xa9\x6f\x0e\xb7\x3b\xd6\x2e\xfe\xf2\x46\xfe\x70\x07\xd6\x99\xaa"
      "\x5f\x47\x3c\x59\xef\xff\xc5\x68\x8a\xbf\x90\xac\xbf\x3e\x39\x7e\x57\x54"
      "\x66\x8f\x8e\x17\x67\xc5\x5a\xbf\xfc\x7a\xe5\xcd\x76\xf5\xdf\xba\xff\xbb"
      "\x2b\xeb\xff\x5d\x2d\xcf\xff\xe5\xf8\x87\x93\xc6\xf5\xda\xf9\xcd\xd7\x71"
      "\xe5\x8f\xcf\xdb\x5e\xd3\x6c\xf5\xfc\x1f\x4c\xde\xae\xa5\x07\xf3\x7d\x1f"
      "\x4e\x2d\x2c\x5c\x98\x88\x18\x4c\x5e\xaf\x37\xba\x71\xff\xe4\xca\x6b\x8b"
      "\x7c\x51\x3e\x8b\x7f\xf4\x48\xeb\xf1\xbf\x2f\x56\xde\x89\x43\x11\x91\x9d"
      "\xc4\x0f\x45\xc4\xc3\x11\xf1\x48\xde\xf6\x47\x23\xe2\xb1\x88\x38\xb2\x4e"
      "\xfc\x3f\xbd\xfc\xf8\x7b\x5b\x8f\xbf\xbb\xb2\xf8\x67\x36\xd5\xff\x2b\x89"
      "\xc1\x68\xde\xd3\x3a\x51\x3a\xfb\xe3\x77\xab\x2a\x1d\xde\x4c\xfc\x59\xff"
      "\x1f\xaf\xa5\x46\xf3\x3d\x1b\xf9\xfc\xdb\x48\xbb\xb6\x76\x36\x03\x00\x00"
      "\xc0\xff\x4f\x1a\x11\x7b\x22\x49\xc7\x96\xd3\x69\x3a\x36\x56\xff\x7f\xf9"
      "\xfd\xb1\x2b\xad\xcc\xcd\x2f\x3c\x7d\x6a\xee\x83\xf3\x33\xf5\x67\x04\x86"
      "\xa3\x9c\x16\x77\xba\x86\x1a\xee\x87\x4e\xe4\x97\xf5\x45\x7e\xb2\x29\x7f"
      "\x2c\xbf\x6f\xfc\x65\x69\x67\x2d\x3f\x36\x3d\x57\x99\xe9\x75\xf0\xd0\xe7"
      "\x76\xb7\x19\xff\x99\x3f\x4b\xbd\x6e\x1d\xd0\x75\x9e\xd7\x82\xfe\x65\xfc"
      "\x43\xff\x32\xfe\xa1\x7f\x19\xff\xd0\xbf\x5a\x8c\xff\x9d\xbd\x68\x07\xb0"
      "\xfd\x5a\x7d\xff\x7f\xdc\x83\x76\x00\xdb\xaf\x69\xfc\x5b\xf6\x83\x3e\xe2"
      "\xfa\x1f\xfa\x97\xf1\x0f\xfd\xcb\xf8\x87\xbe\x34\xbf\x33\x6e\xfd\x90\xbc"
      "\x84\xc4\x9a\x44\xa4\xb7\x45\x33\x24\xba\x94\xe8\xf5\x27\x13\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\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\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\x40\x67\xfc\x1b\x00\x00\xff\xff\xd1\x3d"
      "\xe3\x43",
      1082));
  NONFAILING(
      syz_mount_image(/*fs=*/0x200000000040, /*dir=*/0x200000000200,
                      /*flags=MS_REC|MS_NOSUID|MS_NOEXEC|MS_NODEV|0x80*/ 0x408e,
                      /*opts=*/0x200000000240, /*chdir=*/3, /*size=*/0x43a,
                      /*img=*/0x200000000340));
  //  quotactl$Q_QUOTAON arguments: [
  //    cmd: quota_cmd_quota_on = 0xffffffff80000201 (8 bytes)
  //    special: ptr[in, blockdev_filename] {
  //      union blockdev_filename {
  //        loop: loop_filename {
  //          prefix: buffer: {2f 64 65 76 2f 6c 6f 6f 70} (length 0x9)
  //          id: proc = 0x0 (1 bytes)
  //          z: const = 0x0 (1 bytes)
  //        }
  //      }
  //    }
  //    id: uid (resource)
  //    addr: nil
  //  ]
  NONFAILING(memcpy((void*)0x200000000180, "/dev/loop", 9));
  NONFAILING(*(uint8_t*)0x200000000189 = 0x30);
  NONFAILING(*(uint8_t*)0x20000000018a = 0);
  syscall(__NR_quotactl, /*cmd=Q_QUOTAON_GRP*/ 0xffffffff80000201ul,
          /*special=*/0x200000000180ul, /*id=*/0, /*addr=*/0ul);
  //  mprotect arguments: [
  //    addr: VMA[0x3000]
  //    len: len = 0x3000 (8 bytes)
  //    prot: mmap_prot = 0x1 (8 bytes)
  //  ]
  syscall(__NR_mprotect, /*addr=*/0x200000000000ul, /*len=*/0x3000ul,
          /*prot=PROT_READ*/ 1ul);
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {6d 65 6d 6f 72 79 2e 63 75 72 72 65 6e 74 00} (length 0xf)
  //    }
  //    flags: const = 0x275a (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  NONFAILING(memcpy((void*)0x200000000180, "memory.current\000", 15));
  res = syscall(__NR_openat, /*fd=*/(intptr_t)-1, /*file=*/0x200000000180ul,
                /*flags=*/0x275a, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  mmap arguments: [
  //    addr: VMA[0xb36000]
  //    len: len = 0xb36000 (4 bytes)
  //    prot: mmap_prot = 0xa (8 bytes)
  //    flags: mmap_flags = 0x28011 (8 bytes)
  //    fd: fd (resource)
  //    offset: intptr = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0xb36000,
          /*prot=PROT_SEM|PROT_WRITE*/ 0xaul,
          /*flags=MAP_STACK|MAP_POPULATE|MAP_FIXED|MAP_SHARED*/ 0x28011ul,
          /*fd=*/r[0], /*offset=*/0ul);
  //  open arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    flags: open_flags = 0x64842 (8 bytes)
  //    mode: open_mode = 0x159 (8 bytes)
  //  ]
  //  returns fd
  NONFAILING(memcpy((void*)0x200000000300, "./file1\000", 8));
  res = syscall(
      __NR_open, /*file=*/0x200000000300ul,
      /*flags=O_NONBLOCK|O_NOFOLLOW|O_NOATIME|O_DIRECT|O_CREAT|0x2*/ 0x64842ul,
      /*mode=S_IXOTH|S_IXGRP|S_IWGRP|S_IXUSR|S_IRUSR*/ 0x159ul);
  if (res != -1)
    r[1] = res;
  //  sendmsg$IPSET_CMD_GET_BYINDEX arguments: [
  //    fd: sock_nl_netfilter (resource)
  //    msg: ptr[in, msghdr_netlink[netlink_msg_netfilter_t[NFNL_SUBSYS_IPSET,
  //    IPSET_CMD_GET_BYINDEX, ip_set_index_policy]]] {
  //      msghdr_netlink[netlink_msg_netfilter_t[NFNL_SUBSYS_IPSET,
  //      IPSET_CMD_GET_BYINDEX, ip_set_index_policy]] {
  //        addr: ptr[in, sockaddr_nl_t[AF_NETLINK, const[0, int32],
  //        flags[netlink_group_bitmap, int32]]] {
  //          sockaddr_nl_t[AF_NETLINK, const[0, int32],
  //          flags[netlink_group_bitmap, int32]] {
  //            nl_family: const = 0x10 (2 bytes)
  //            nl_pad: const = 0x0 (2 bytes)
  //            nl_pid: const = 0x0 (4 bytes)
  //            nl_groups: netlink_group_bitmap = 0x1000000 (4 bytes)
  //          }
  //        }
  //        addrlen: len = 0xc (4 bytes)
  //        pad = 0x0 (4 bytes)
  //        vec: nil
  //        vlen: const = 0x1 (8 bytes)
  //        ctrl: const = 0x0 (8 bytes)
  //        ctrllen: const = 0x0 (8 bytes)
  //        f: send_flags = 0x4000040 (4 bytes)
  //        pad = 0x0 (4 bytes)
  //      }
  //    }
  //    f: send_flags = 0x4044011 (8 bytes)
  //  ]
  NONFAILING(*(uint64_t*)0x200000000800 = 0x2000000001c0);
  NONFAILING(*(uint16_t*)0x2000000001c0 = 0x10);
  NONFAILING(*(uint16_t*)0x2000000001c2 = 0);
  NONFAILING(*(uint32_t*)0x2000000001c4 = 0);
  NONFAILING(*(uint32_t*)0x2000000001c8 = 0x1000000);
  NONFAILING(*(uint32_t*)0x200000000808 = 0xc);
  NONFAILING(*(uint64_t*)0x200000000810 = 0);
  NONFAILING(*(uint64_t*)0x200000000818 = 1);
  NONFAILING(*(uint64_t*)0x200000000820 = 0);
  NONFAILING(*(uint64_t*)0x200000000828 = 0);
  NONFAILING(*(uint32_t*)0x200000000830 = 0x4000040);
  syscall(
      __NR_sendmsg, /*fd=*/r[1], /*msg=*/0x200000000800ul,
      /*f=MSG_ZEROCOPY|MSG_BATCH|MSG_PROBE|MSG_OOB|MSG_NOSIGNAL*/ 0x4044011ul);
  //  truncate arguments: [
  //    file: ptr[in, buffer] {
  //      buffer: {2e 2f 66 69 6c 65 31 00} (length 0x8)
  //    }
  //    len: intptr = 0x2fffffd (8 bytes)
  //  ]
  NONFAILING(memcpy((void*)0x200000000940, "./file1\000", 8));
  syscall(__NR_truncate, /*file=*/0x200000000940ul, /*len=*/0x2fffffdul);
  return 0;
}