// https://syzkaller.appspot.com/bug?id=92fd199c9854486a9ae4546b8ee8fc7cebf3883b
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <sched.h>
#include <setjmp.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/epoll.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/wait.h>
#include <unistd.h>

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

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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 BTPROTO_HCI 1
#define ACL_LINK 1
#define SCAN_PAGE 2

typedef struct {
  uint8_t b[6];
} __attribute__((packed)) bdaddr_t;

#define HCI_COMMAND_PKT 1
#define HCI_EVENT_PKT 4
#define HCI_VENDOR_PKT 0xff

struct hci_command_hdr {
  uint16_t opcode;
  uint8_t plen;
} __attribute__((packed));

struct hci_event_hdr {
  uint8_t evt;
  uint8_t plen;
} __attribute__((packed));

#define HCI_EV_CONN_COMPLETE 0x03
struct hci_ev_conn_complete {
  uint8_t status;
  uint16_t handle;
  bdaddr_t bdaddr;
  uint8_t link_type;
  uint8_t encr_mode;
} __attribute__((packed));

#define HCI_EV_CONN_REQUEST 0x04
struct hci_ev_conn_request {
  bdaddr_t bdaddr;
  uint8_t dev_class[3];
  uint8_t link_type;
} __attribute__((packed));

#define HCI_EV_REMOTE_FEATURES 0x0b
struct hci_ev_remote_features {
  uint8_t status;
  uint16_t handle;
  uint8_t features[8];
} __attribute__((packed));

#define HCI_EV_CMD_COMPLETE 0x0e
struct hci_ev_cmd_complete {
  uint8_t ncmd;
  uint16_t opcode;
} __attribute__((packed));

#define HCI_OP_WRITE_SCAN_ENABLE 0x0c1a

#define HCI_OP_READ_BUFFER_SIZE 0x1005
struct hci_rp_read_buffer_size {
  uint8_t status;
  uint16_t acl_mtu;
  uint8_t sco_mtu;
  uint16_t acl_max_pkt;
  uint16_t sco_max_pkt;
} __attribute__((packed));

#define HCI_OP_READ_BD_ADDR 0x1009
struct hci_rp_read_bd_addr {
  uint8_t status;
  bdaddr_t bdaddr;
} __attribute__((packed));

#define HCI_EV_LE_META 0x3e
struct hci_ev_le_meta {
  uint8_t subevent;
} __attribute__((packed));

#define HCI_EV_LE_CONN_COMPLETE 0x01
struct hci_ev_le_conn_complete {
  uint8_t status;
  uint16_t handle;
  uint8_t role;
  uint8_t bdaddr_type;
  bdaddr_t bdaddr;
  uint16_t interval;
  uint16_t latency;
  uint16_t supervision_timeout;
  uint8_t clk_accurancy;
} __attribute__((packed));

struct hci_dev_req {
  uint16_t dev_id;
  uint32_t dev_opt;
};

struct vhci_vendor_pkt_request {
  uint8_t type;
  uint8_t opcode;
} __attribute__((packed));

struct vhci_pkt {
  uint8_t type;
  union {
    struct {
      uint8_t opcode;
      uint16_t id;
    } __attribute__((packed)) vendor_pkt;
    struct hci_command_hdr command_hdr;
  };
} __attribute__((packed));

#define HCIDEVUP _IOW('H', 201, int)
#define HCISETSCAN _IOW('H', 221, int)

static int vhci_fd = -1;

static void rfkill_unblock_all()
{
  int fd = open("/dev/rfkill", O_WRONLY);
  if (fd < 0)
    exit(1);
  struct rfkill_event event = {0};
  event.idx = 0;
  event.type = RFKILL_TYPE_ALL;
  event.op = RFKILL_OP_CHANGE_ALL;
  event.soft = 0;
  event.hard = 0;
  if (write(fd, &event, sizeof(event)) < 0)
    exit(1);
  close(fd);
}

static void hci_send_event_packet(int fd, uint8_t evt, void* data,
                                  size_t data_len)
{
  struct iovec iv[3];
  struct hci_event_hdr hdr;
  hdr.evt = evt;
  hdr.plen = data_len;
  uint8_t type = HCI_EVENT_PKT;
  iv[0].iov_base = &type;
  iv[0].iov_len = sizeof(type);
  iv[1].iov_base = &hdr;
  iv[1].iov_len = sizeof(hdr);
  iv[2].iov_base = data;
  iv[2].iov_len = data_len;
  if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
    exit(1);
}

static void hci_send_event_cmd_complete(int fd, uint16_t opcode, void* data,
                                        size_t data_len)
{
  struct iovec iv[4];
  struct hci_event_hdr hdr;
  hdr.evt = HCI_EV_CMD_COMPLETE;
  hdr.plen = sizeof(struct hci_ev_cmd_complete) + data_len;
  struct hci_ev_cmd_complete evt_hdr;
  evt_hdr.ncmd = 1;
  evt_hdr.opcode = opcode;
  uint8_t type = HCI_EVENT_PKT;
  iv[0].iov_base = &type;
  iv[0].iov_len = sizeof(type);
  iv[1].iov_base = &hdr;
  iv[1].iov_len = sizeof(hdr);
  iv[2].iov_base = &evt_hdr;
  iv[2].iov_len = sizeof(evt_hdr);
  iv[3].iov_base = data;
  iv[3].iov_len = data_len;
  if (writev(fd, iv, sizeof(iv) / sizeof(struct iovec)) < 0)
    exit(1);
}

static bool process_command_pkt(int fd, char* buf, ssize_t buf_size)
{
  struct hci_command_hdr* hdr = (struct hci_command_hdr*)buf;
  if (buf_size < (ssize_t)sizeof(struct hci_command_hdr) ||
      hdr->plen != buf_size - sizeof(struct hci_command_hdr))
    exit(1);
  switch (hdr->opcode) {
  case HCI_OP_WRITE_SCAN_ENABLE: {
    uint8_t status = 0;
    hci_send_event_cmd_complete(fd, hdr->opcode, &status, sizeof(status));
    return true;
  }
  case HCI_OP_READ_BD_ADDR: {
    struct hci_rp_read_bd_addr rp = {0};
    rp.status = 0;
    memset(&rp.bdaddr, 0xaa, 6);
    hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
    return false;
  }
  case HCI_OP_READ_BUFFER_SIZE: {
    struct hci_rp_read_buffer_size rp = {0};
    rp.status = 0;
    rp.acl_mtu = 1021;
    rp.sco_mtu = 96;
    rp.acl_max_pkt = 4;
    rp.sco_max_pkt = 6;
    hci_send_event_cmd_complete(fd, hdr->opcode, &rp, sizeof(rp));
    return false;
  }
  }
  char dummy[0xf9] = {0};
  hci_send_event_cmd_complete(fd, hdr->opcode, dummy, sizeof(dummy));
  return false;
}

static void* event_thread(void* arg)
{
  while (1) {
    char buf[1024] = {0};
    ssize_t buf_size = read(vhci_fd, buf, sizeof(buf));
    if (buf_size < 0)
      exit(1);
    if (buf_size > 0 && buf[0] == HCI_COMMAND_PKT) {
      if (process_command_pkt(vhci_fd, buf + 1, buf_size - 1))
        break;
    }
  }
  return NULL;
}
#define HCI_HANDLE_1 200
#define HCI_HANDLE_2 201

#define HCI_PRIMARY 0
#define HCI_OP_RESET 0x0c03

static void initialize_vhci()
{
  int hci_sock = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
  if (hci_sock < 0)
    exit(1);
  vhci_fd = open("/dev/vhci", O_RDWR);
  if (vhci_fd == -1)
    exit(1);
  const int kVhciFd = 202;
  if (dup2(vhci_fd, kVhciFd) < 0)
    exit(1);
  close(vhci_fd);
  vhci_fd = kVhciFd;
  struct vhci_vendor_pkt_request vendor_pkt_req = {HCI_VENDOR_PKT, HCI_PRIMARY};
  if (write(vhci_fd, &vendor_pkt_req, sizeof(vendor_pkt_req)) !=
      sizeof(vendor_pkt_req))
    exit(1);
  struct vhci_pkt vhci_pkt;
  if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
    exit(1);
  if (vhci_pkt.type == HCI_COMMAND_PKT &&
      vhci_pkt.command_hdr.opcode == HCI_OP_RESET) {
    char response[1] = {0};
    hci_send_event_cmd_complete(vhci_fd, HCI_OP_RESET, response,
                                sizeof(response));
    if (read(vhci_fd, &vhci_pkt, sizeof(vhci_pkt)) != sizeof(vhci_pkt))
      exit(1);
  }
  if (vhci_pkt.type != HCI_VENDOR_PKT)
    exit(1);
  int dev_id = vhci_pkt.vendor_pkt.id;
  pthread_t th;
  if (pthread_create(&th, NULL, event_thread, NULL))
    exit(1);
  int ret = ioctl(hci_sock, HCIDEVUP, dev_id);
  if (ret) {
    if (errno == ERFKILL) {
      rfkill_unblock_all();
      ret = ioctl(hci_sock, HCIDEVUP, dev_id);
    }
    if (ret && errno != EALREADY)
      exit(1);
  }
  struct hci_dev_req dr = {0};
  dr.dev_id = dev_id;
  dr.dev_opt = SCAN_PAGE;
  if (ioctl(hci_sock, HCISETSCAN, &dr))
    exit(1);
  struct hci_ev_conn_request request;
  memset(&request, 0, sizeof(request));
  memset(&request.bdaddr, 0xaa, 6);
  *(uint8_t*)&request.bdaddr.b[5] = 0x10;
  request.link_type = ACL_LINK;
  hci_send_event_packet(vhci_fd, HCI_EV_CONN_REQUEST, &request,
                        sizeof(request));
  struct hci_ev_conn_complete complete;
  memset(&complete, 0, sizeof(complete));
  complete.status = 0;
  complete.handle = HCI_HANDLE_1;
  memset(&complete.bdaddr, 0xaa, 6);
  *(uint8_t*)&complete.bdaddr.b[5] = 0x10;
  complete.link_type = ACL_LINK;
  complete.encr_mode = 0;
  hci_send_event_packet(vhci_fd, HCI_EV_CONN_COMPLETE, &complete,
                        sizeof(complete));
  struct hci_ev_remote_features features;
  memset(&features, 0, sizeof(features));
  features.status = 0;
  features.handle = HCI_HANDLE_1;
  hci_send_event_packet(vhci_fd, HCI_EV_REMOTE_FEATURES, &features,
                        sizeof(features));
  struct {
    struct hci_ev_le_meta le_meta;
    struct hci_ev_le_conn_complete le_conn;
  } le_conn;
  memset(&le_conn, 0, sizeof(le_conn));
  le_conn.le_meta.subevent = HCI_EV_LE_CONN_COMPLETE;
  memset(&le_conn.le_conn.bdaddr, 0xaa, 6);
  *(uint8_t*)&le_conn.le_conn.bdaddr.b[5] = 0x11;
  le_conn.le_conn.role = 1;
  le_conn.le_conn.handle = HCI_HANDLE_2;
  hci_send_event_packet(vhci_fd, HCI_EV_LE_META, &le_conn, sizeof(le_conn));
  pthread_join(th, NULL);
  close(hci_sock);
}

//% 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 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, loopfd = -1, 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) {
    memset(loopname, 0, sizeof(loopname));
    snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid);
    if (setup_loop_device(data, size, loopname, &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) {
    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");
  }
  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) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
  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 = 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();
  initialize_vhci();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  setup_binderfs();
  loop();
  exit(1);
}

void loop(void)
{
  memcpy((void*)0x200000c0, "udf\000", 4);
  memcpy((void*)0x20000100,
         "\023\023w\305\3745\324\024T\325\324\035)\255\032`)"
         "Y\201F\346\276\026nA\255\r\275@T\003<\2373\273\332\202$"
         "\242\363\327r\347cnH\263<\277p\203r\350\361\271\223>"
         "\305\022wC\276\"\006 \236\360-\371\313\362\366\350\200\3238/\000",
         78);
  *(uint32_t*)0x20000240 = 0;
  sprintf((char*)0x20000244, "%023llo", (long long)-1);
  *(uint32_t*)0x2000025b = 0;
  sprintf((char*)0x2000025f, "%020llu", (long long)0);
  *(uint8_t*)0x20000273 = 0;
  *(uint16_t*)0x20000274 = -1;
  sprintf((char*)0x20000276, "%020llu", (long long)0);
  *(uint32_t*)0x2000028a = -1;
  memcpy(
      (void*)0x20000480,
      "\x78\x9c\xec\xdd\x5f\x6c\x5d\xf7\x5d\x00\xf0\xef\xef\xc4\x8e\x9d\x16\x6d"
      "\x97\xae\x49\xbb\x51\x4d\xb7\x9d\xe8\x42\xc6\x82\xed\x2c\x4d\x2b\x4f\xa2"
      "\xa1\xc6\x30\x96\xb5\xa6\x8e\x37\xa0\x3c\xf4\x26\x76\xc2\x25\x8e\x7d\x65"
      "\x3b\x5d\x52\xc1\x56\xc4\x43\x1f\x40\xc2\x0c\x89\x17\x86\x04\x42\x43\x15"
      "\x0f\x93\x79\x18\x12\x3c\x0d\x09\x09\x21\x21\x61\xa1\x49\x08\x10\x52\xe8"
      "\xb6\x52\x84\x90\xee\xc3\xaa\xbe\xa0\x1a\x9d\x73\x7f\xd7\xbe\x76\xdc\xc6"
      "\xab\xe3\x38\x49\x3f\x1f\x29\xf9\x9e\x7b\xce\xf7\x77\xee\xef\xcf\xe9\x39"
      "\xe7\xde\xdf\x3d\x4d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x11\x3f\xf3\xb3\xa7\x87\x86\xd3\x7e\xd7\x02\x00\xb8\x9d\x9e\x9d\x7c"
      "\x7e\x68\xc4\xf5\x1f\x00\x3e\x50\xce\xfa\xfc\x0f\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x77\xba\x14\x45\xbc\x19\x29\xbe\xfc\x48\x3b\xbd\x58"
      "\xbd\xee\x18\x3c\xd3\x9c\xbb\x72\x75\x6a\x6c\x7c\xfb\x62\x87\x52\x55\xf2"
      "\x40\x95\x5f\xfe\x19\x1c\x1e\x39\xf1\x99\x93\x4f\x9c\x7a\xb2\x1b\xdf\xbb"
      "\xfc\xad\xf6\xd1\x78\x6e\xf2\xec\xe9\xfa\x33\xf3\x97\x5b\x0b\x33\x8b\x8b"
      "\x33\xd3\xf5\xa9\xb9\xe6\xf9\xf9\xe9\x99\x1d\xef\x61\xb7\xe5\xb7\x3a\x56"
      "\x75\x40\xfd\xf2\xa5\x2b\xd3\x17\x2e\x2c\xd6\x47\x8e\x9f\xd8\xb4\xf9\x6a"
      "\xed\x8d\x81\xfb\x8f\xd4\x46\x4f\x0d\xbf\x70\xb8\x9b\x3b\x35\x36\x3e\x3e"
      "\xd9\x93\xd3\xd7\xff\xbe\xdf\x7d\x93\x7f\x5a\xde\x18\xd7\xad\x0e\x46\x11"
      "\x17\x22\xc5\xa5\xd7\xde\x4c\x8d\x88\x28\x62\x9b\xbe\xf8\x6e\xed\x87\xea"
      "\x8b\x9b\x1c\x3b\x7b\xed\x50\xd5\x88\x63\x55\x23\xa6\xc6\xc6\xab\x86\xcc"
      "\x36\x1b\x73\x4b\xe5\xc6\x89\x6e\x47\x14\x11\xb5\x9e\x42\x4f\x77\x8f\xfd"
      "\x3d\x1e\x8b\x5d\xab\x47\xbc\x52\x56\xbf\xac\xf0\xb1\xb2\x79\x93\xad\xc6"
      "\x42\xe3\xdc\xec\x4c\x7d\xa2\xb1\xb0\xd4\x5c\x6a\xce\xcf\x4d\xa4\x4e\x6d"
      "\x53\x95\x5e\xc4\x93\x29\xa2\x15\x11\xed\x81\x1b\x77\xd7\x1f\x45\x7c\x25"
      "\x52\xbc\xfa\xf5\x76\x3a\x17\x11\x07\xba\xfd\xf0\xa9\xea\xc1\xe0\x9b\xd7"
      "\xa7\xd8\x83\x36\xee\x40\x5f\x44\xd4\xfa\x23\x56\x8b\xbb\x60\xcc\xee\x60"
      "\x03\x51\xc4\x37\x23\xc5\xd7\xbe\x3a\x14\xe7\x73\xbf\x56\xdd\xf6\x78\xc4"
      "\x17\xca\x78\x24\xe2\x4a\x19\xaf\x47\x2c\x97\xf1\xe3\x11\xa9\x3c\x40\x1e"
      "\x8c\x78\x6b\x9b\xe3\x89\xbb\x4b\x5f\x14\xf1\x3b\x91\xe2\x07\xa3\xed\x34"
      "\xdd\x1d\xfb\xea\xbc\x72\xe6\x8b\xf5\xcf\xcd\x5d\x98\xef\xc9\xed\x9e\x57"
      "\x76\x7b\xad\xdc\xf7\xeb\xc3\xed\x74\x87\x9f\x9b\x06\xa3\x88\x46\x75\xc6"
      "\x6f\xa7\xf7\x7f\xb3\x03\x00\x00\x00\x00\xc0\x9d\xa7\x88\xdf\x8f\x14\x8f"
      "\x7e\xe7\x68\x6a\x45\xef\x9c\x62\x73\xee\x62\xfd\x6c\xe3\xdc\x6c\xe7\x5b"
      "\xe1\xee\x77\xff\xf5\x5c\x6a\x6d\x6d\x6d\xad\x96\x3a\x71\x28\xc7\x89\x1c"
      "\x5b\x39\x2e\xe7\xb8\x92\xe3\x6a\x8e\xed\x1c\x6b\x45\x2e\x9f\xe3\x44\x8e"
      "\xad\x1c\x97\x73\x5c\x29\xe2\xc7\x4f\x96\xe5\xf3\xeb\x76\x8e\xb5\x03\xb9"
      "\x7c\x8e\x13\x39\xb6\x72\x5c\xce\x71\x25\xc7\xd5\x1c\xdb\x39\xd6\xfa\x72"
      "\xf9\x1c\x27\x72\x6c\xe5\xb8\x9c\xe3\x4a\x8e\xab\x39\xb6\xfb\xf6\x71\xb8"
      "\x00\x00\x00\x00\x00\x00\x00\x60\x1b\x87\xa2\x88\x2f\x45\x8a\xc7\x7f\xea"
      "\xa5\xea\xb9\xe2\xa8\x9e\x4b\xff\xf0\xe8\xa9\xe7\x8f\xff\x42\xef\x33\xe3"
      "\x0f\xdf\x64\x3f\x65\xee\xf1\x88\x58\x29\x76\xf6\x4c\xee\xc1\xfc\xe8\xf0"
      "\x44\x9a\x48\x69\x9f\x9e\x21\xa6\xf3\xfc\xdf\x6f\xe6\xe7\xff\x7e\x6b\xbf"
      "\x2b\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xec\xab\x22\x8a\x78\x2c\x52\xbc"
      "\xf4\xad\x76\x8a\x14\x11\xf5\x88\x17\xa3\x13\xaf\x0f\xec\x77\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x5b\x61\x30\x15\xf1\x56\xa4\xf8"
      "\xc3\xcf\x0f\x56\xaf\x57\x8b\x88\x5f\x89\x88\x77\xd6\xde\x59\x8b\x88\xeb"
      "\xef\xac\xed\xd2\xbf\xfd\xc3\x96\x15\xfb\xdd\x62\x00\x00\x00\x00\x00\x00"
      "\x00\xb8\x07\xa5\x22\xae\x45\x8a\xc7\x9e\x6f\xa7\x5a\x44\x5c\xad\xbd\x31"
      "\x70\xff\x91\xda\xe8\xa9\xe1\x17\x0e\x1f\x88\x03\x91\xca\x94\xde\xfc\xe7"
      "\x26\xcf\x9e\xae\x3f\x33\x7f\xb9\xb5\x30\xb3\xb8\x38\x33\x5d\x9f\x9a\x6b"
      "\x9e\x9f\x9f\x9e\xd9\xe9\xdb\x0d\x9e\x69\xce\x5d\xb9\x3a\x35\x36\xbe\x27"
      "\x8d\xb9\xa9\x43\x7b\x5c\xff\x43\x83\xcf\xcc\xb7\xae\x2d\x34\x2f\xfe\xda"
      "\xd2\xb6\xdb\xef\x1b\x3c\x7d\x6e\x71\x69\xa1\x71\x7e\xfb\xcd\x71\x28\x8a"
      "\x88\x7a\xef\x9a\x63\x55\x85\xa7\xc6\xc6\xab\x4a\xcf\x36\x1b\x73\x55\xd1"
      "\x89\xb4\xd3\x1a\x03\x00\x00\x00\x00\x00\x00\xf0\x41\xd0\x9f\x8a\x78\x27"
      "\x52\xbc\xfa\xe7\xaf\xad\xcf\x3b\xf7\x75\xe6\xfc\xfb\xb6\xe6\x7e\xe3\xb3"
      "\x11\x45\x5e\x1e\xcb\xf3\xcf\xeb\xd3\xd0\xd5\xef\x06\x3e\x54\xfd\x6e\xa0"
      "\xb3\xfc\xe1\xd1\x53\xbf\x38\xf2\xb1\xde\xe5\x6d\xa7\xac\x8f\x55\x13\xea"
      "\xf5\xa9\xb1\xf1\xf1\xc9\x9e\xd5\x7d\xfd\x37\xa6\x0e\xe6\xf7\x1d\xda\x5d"
      "\x93\xe9\x51\x8e\xff\x52\xa4\xf8\xdd\x3f\xae\xa7\x47\xf3\xba\xcd\xe3\x7f"
      "\x60\x3d\xf7\x1b\xbf\xb1\x31\xde\xaf\x6c\xdd\xd1\xbb\x8c\xf9\x6e\xc7\xff"
      "\x47\x7b\xd6\x95\xef\x99\x52\x11\x7f\x19\x29\x7e\xec\x97\x1e\x8e\x47\xab"
      "\x7a\xde\x17\x37\xfc\x66\x22\xe7\x7d\x3e\x52\xfc\xf2\xca\x23\x39\x2f\x0e"
      "\x96\x79\x8f\xe5\xed\x0f\x54\x7f\x0f\x5e\x68\xce\xce\x0c\x95\xb9\x57\x23"
      "\xc5\xdf\x5e\xd9\x9c\xfb\x78\xce\xfd\xc8\x46\xee\xf0\x8e\x3b\xf6\x2e\x51"
      "\x8e\xff\x63\x91\xe2\x7f\x7e\x75\x65\xbd\x6f\xf2\xf8\xe7\x11\xd8\x18\xb5"
      "\xde\xf1\xff\xd8\xd6\xa3\x63\x8f\xc6\xff\x81\x9e\x75\xb5\xfc\xbe\x9f\xb8"
      "\x35\x4d\x27\x22\x16\xaf\xbd\x7c\xa9\x31\x3b\x3b\xb3\x60\xc1\x82\x05\x0b"
      "\xeb\x0b\xef\x7d\xde\x38\x74\xbb\x4e\x50\xec\xa9\xf2\xfa\xff\xa5\x48\xf1"
      "\x37\x7f\xf0\xef\xeb\xf7\x3b\xf9\xfa\xff\x23\x9d\x57\x1b\xf7\x7f\x6f\x7f"
      "\x65\xe3\xfa\x3f\xba\x75\x47\x7b\x74\xfd\xff\x48\xcf\xba\xd1\x7c\x37\xd2"
      "\xdf\x17\x31\xb8\x74\xb9\xd5\xff\x50\xc4\xe0\xe2\xb5\x97\x3f\xdd\xbc\xdc"
      "\xb8\x38\x73\x71\x66\xee\xc4\xa9\xa7\x9e\x18\x19\x7a\x6a\x78\xe8\x44\xff"
      "\xc1\xee\xcd\xdd\xc6\xd2\xae\xfb\xea\x5e\x54\x8e\xff\xaf\x47\x8a\x6f\xbe"
      "\xfe\x17\xf1\xc9\xbc\x6e\xf3\xfd\xdf\xf6\xf7\xff\xf7\x6d\xdd\xd1\x1e\x8d"
      "\xff\x83\x3d\xeb\xee\xdb\x74\xbf\xb2\xeb\xa6\x93\xc7\xff\xff\x22\xc5\xdf"
      "\x8f\x7d\x3b\x8e\xe6\x75\xef\x75\xff\xdf\xfd\xfc\x7f\x34\xdf\x84\xaf\xdf"
      "\x9f\xef\xd1\xf8\x1f\xee\x59\x57\x7d\xc6\xfb\x50\xc4\x4f\xf4\xac\x3b\x7a"
      "\x38\xe2\x9e\xfb\x50\x06\x00\x00\x00\xb7\x58\x4a\x45\x7c\x3b\xcf\xa7\x0e"
      "\xdd\x64\x3e\xf5\xef\x22\xc5\xcb\xff\xfd\x93\x39\x2f\x1d\x29\xf3\x9e\xce"
      "\xdb\x6b\xd5\xdf\x83\xcf\xce\xcf\x7d\xfa\xf4\xec\xec\xfc\xf9\xc6\x52\xe3"
      "\xdc\xec\x4c\x7d\xb2\xd5\x38\x3f\x53\x96\xfd\x5e\xa4\x68\xff\xd9\x23\xb9"
      "\x6c\x51\xcd\xaf\x76\xe7\x9b\x3b\x73\xbc\x1b\x73\xb1\xff\x1c\x29\x9e\xfa"
      "\xf9\x6e\x6e\x67\x2e\xb6\xfb\xdd\xd4\x83\x1b\xb9\xc3\x65\xee\xf1\x48\xf1"
      "\x7b\xcf\x6e\xce\xed\x7e\x8f\x71\x78\x23\x77\xa4\xcc\xfd\x8f\x48\x31\xfc"
      "\xc2\xf6\xb9\x47\x36\x72\x4f\x94\xb9\xff\x15\x29\xde\xfe\xa3\x7a\x37\xf7"
      "\x4f\x7f\xfb\x1f\xbf\xff\x89\x85\xfa\xc9\x2a\xeb\xa1\x8d\xdc\xe3\xe7\xe7"
      "\x67\xa7\xf7\x64\x60\x00\x00\x00\x00\x00\x60\x17\xfa\x53\x11\x4f\x44\x8a"
      "\xbf\x3e\xd1\x97\x3e\x9b\xd7\xed\xe4\xf7\x9f\x37\x7c\xe9\xbd\x47\xbf\xff"
      "\x7b\xa8\x67\xdd\xf4\x6d\x7a\x5e\x65\xd7\x9d\x0a\x00\x77\xb8\xf2\xfa\x7f"
      "\xb4\xbc\xaa\xff\xf4\x9f\xac\xcf\xe5\x6f\xbe\xfe\x6f\xfc\x7f\x00\x7a\xaf"
      "\xff\x5b\xf5\xfe\xbb\x01\xef\xb6\xfc\x7e\xae\xff\xb5\x5b\xd3\x4c\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x0f"
      "\x9c\x14\x45\xcc\x47\x8a\x2f\x3f\xd2\x4e\xd7\x07\xca\xd7\x1d\x83\x67\x9a"
      "\x73\x57\xae\x4e\x8d\x8d\x6f\x5f\xec\x50\xaa\x4a\x1e\xa8\xf2\xcb\x3f\x83"
      "\xc3\x23\x27\x3e\x73\xf2\x89\x53\x4f\x76\xe3\x7b\x97\xbf\xd5\x3e\x1a\xcf"
      "\x4d\x9e\x3d\x5d\x7f\x66\xfe\x72\x6b\x61\x66\x71\x71\x66\xba\x3e\x35\xd7"
      "\x3c\x3f\x3f\x3d\xb3\xe3\x3d\xec\xb6\xfc\x56\xc7\xaa\x0e\xa8\x5f\xbe\x74"
      "\x65\xfa\xc2\x85\xc5\xfa\xc8\xf1\x13\x9b\x36\x5f\xad\xbd\x31\x70\xff\x91"
      "\xda\xe8\xa9\xe1\x17\x0e\x77\x73\xa7\xc6\xc6\xc7\x27\x7b\x72\xfa\xfa\xdf"
      "\xf7\xbb\xdf\x20\xbd\xcb\xfa\x83\x51\xc4\xff\x46\x8a\x4b\xaf\xbd\x99\xfe"
      "\x73\x20\xa2\x88\xdd\xf7\xc5\x4d\x8e\x9d\xbd\x76\xa8\x6a\xc4\xb1\xaa\x11"
      "\x53\x63\xe3\x55\x43\x66\x9b\x8d\xb9\xa5\x72\xe3\x44\xb7\x23\x8a\x88\x5a"
      "\x4f\xa1\xa7\xbb\x7d\x74\x1b\xc6\x62\x57\xea\x11\xaf\x94\xd5\x2f\x2b\x7c"
      "\xac\x6c\xde\x64\xab\xb1\xd0\x38\x37\x3b\x53\x9f\x68\x2c\x2c\x35\x97\x9a"
      "\xf3\x73\x13\xa9\x53\xdb\x54\xa5\x17\xf1\x64\x8a\x68\x45\x44\x7b\xe0\xc6"
      "\xdd\xf5\x47\x11\xfd\x91\xe2\xd5\xaf\xb7\xd3\xeb\x03\x11\x07\xba\xfd\xf0"
      "\xa9\x67\x27\x9f\x1f\x1a\xb9\x79\x7d\x8a\x3d\x68\xe3\x0e\xf4\x45\x44\xad"
      "\x3f\x62\xb5\xb8\x0b\xc6\xec\x0e\x36\x10\x45\x9c\x8c\x14\x5f\xfb\xea\x50"
      "\x7c\x77\xa0\xd3\xaf\x55\xb7\x3d\x1e\xf1\x85\x32\x1e\x89\xb8\x52\xc6\xeb"
      "\x11\xcb\x65\xfc\x78\x44\x2a\x0f\x90\x07\x23\xde\xda\xe6\x78\xe2\xee\xd2"
      "\x17\x45\x3c\x10\x29\x7e\x30\xda\x4e\xdf\x1b\xc8\x63\x5f\x9d\x57\xce\x7c"
      "\xb1\xfe\xb9\xb9\x0b\xf3\x3d\xb9\xdd\xf3\xca\x5d\x7f\x7d\xb8\x9d\xee\xf0"
      "\x73\xd3\x60\x14\xf1\x66\x75\xc6\x6f\xa7\xef\xfb\xef\x19\x00\x00\x00\x00"
      "\xe0\x1e\x52\xc4\xc3\x91\xe2\xd1\xef\x1c\x4d\xd5\xfc\xe0\xfa\x9c\x62\x73"
      "\xee\x62\xfd\x6c\xe3\xdc\x6c\xe7\x6b\xfd\xee\x77\xff\xf5\x5c\x6a\x6d\x6d"
      "\x6d\xad\x96\x3a\x71\x28\xc7\x89\x1c\x5b\x29\x7e\xae\x8c\xcb\xf9\xf5\x4a"
      "\x8e\xab\x39\xb6\xd3\xb5\xd7\xff\xf5\xb9\x87\xfe\xe5\xaf\xc6\x73\xf9\x22"
      "\x97\xcf\xb1\x95\xe3\x72\x8e\x2b\x39\xae\xe6\xd8\xce\xb1\x76\x20\x97\xcf"
      "\x71\x22\xc7\x56\x8e\xcb\x39\xae\xe4\xb8\x9a\x63\x3b\xc7\x5a\x5f\x2e\x9f"
      "\xe3\x44\x8e\xad\x1c\x97\x73\x5c\xc9\x71\x35\xc7\x76\xdf\x7e\x8e\x17\x00"
      "\x00\x00\x00\x00\x00\xc0\xf6\x8a\x28\xe2\x93\x91\xe2\xa5\x6f\xb5\xd3\xda"
      "\x40\x67\x82\xf7\xc5\xe8\xc4\xeb\x9e\x07\xba\xe7\xfd\x7f\x00\x00\x00\xff"
      "\xff\x75\x81\x60\x2f",
      3101);
  syz_mount_image(/*fs=*/0x200000c0, /*dir=*/0x20000100, /*flags=*/0x300000a,
                  /*opts=*/0x20000240, /*chdir=*/0xfe, /*size=*/0xc1d,
                  /*img=*/0x20000480);
  memcpy((void*)0x20000240, "./file2\000", 8);
  syscall(__NR_unlink, /*path=*/0x20000240ul);
  memcpy((void*)0x20000200, "./file3\000", 8);
  memcpy((void*)0x20000140, "./file2\000", 8);
  syscall(__NR_rename, /*old=*/0x20000200ul, /*new=*/0x20000140ul);
}
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);
  do_sandbox_none();
  return 0;
}