// https://syzkaller.appspot.com/bug?id=b7c1f7578270983f7d4ce49b576397aeafc2e701
// 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 <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/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/swap.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/falloc.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 __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 void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

static int runcmdline(char* cmdline)
{
  int ret = system(cmdline);
  if (ret) {
  }
  return ret;
}

#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)) {
  }
}

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);
}

static void setup_binfmt_misc()
{
  if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
  }
  write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
  write_file("/proc/sys/fs/binfmt_misc/register",
             ":syz1:M:1:\x02::./file0:POC");
}

static void setup_usb()
{
  if (chmod("/dev/raw-gadget", 0666))
    exit(1);
}

#define SWAP_FILE "./swap-file"
#define SWAP_FILE_SIZE (128 * 1000 * 1000)

static void setup_swap()
{
  swapoff(SWAP_FILE);
  unlink(SWAP_FILE);
  int fd = open(SWAP_FILE, O_CREAT | O_WRONLY | O_CLOEXEC, 0600);
  if (fd == -1) {
    exit(1);
    return;
  }
  fallocate(fd, FALLOC_FL_ZERO_RANGE, 0, SWAP_FILE_SIZE);
  close(fd);
  char cmdline[64];
  sprintf(cmdline, "mkswap %s", SWAP_FILE);
  if (runcmdline(cmdline)) {
    exit(1);
    return;
  }
  if (swapon(SWAP_FILE, SWAP_FLAG_PREFER) == 1) {
    exit(1);
    return;
  }
}

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

void loop(void)
{
  intptr_t res = 0;
  NONFAILING(memcpy((void*)0x20000c40, "udf\000", 4));
  NONFAILING(memcpy((void*)0x20000c80, "./file0\000", 8));
  NONFAILING(memcpy(
      (void*)0x200004c0,
      "\x00\x05\x54\x4c\xfe\x5c\x7c\x1e\x6b\x17\x75\xd2\xb0\x00\x00\x2c\xe7\xae"
      "\x7e\xdf\x06\x00\x52\xb8\x76\x00\x00\xa8\x6f\x3e\x45\x01\xdb\x14\x07\x37"
      "\xab\x8a\x85\xca\x52\x5d\x40\xb7\x5e\x1a\x70\x01\xa3\x3c\xc2\x2a\x6b\x68"
      "\xcd\x58\x29\x4e\xb3\x47\xf0\x17\x95\x96\xa6\xce\x97\xdb\xa4\xf5\x5b\x79"
      "\x2b\x32\xda\x82\x5b\xb9\x46\x99\x55\xe8\xb9\xb7\x40\x14\xac\xd7\xa2\x68"
      "\x10\xbf\x19\x18\xf9\x62\x59\x72\x5c\xe8\x76\x5e\xe3\x1a\x32\x24\x89\xa6"
      "\x99\x04\x98\xbf\xa2\x60\x13\x59\x45\x3c\xdd\x8f\x6a\x2c\x42\xfc\x5f\xee"
      "\xd6\x71\x48\xbd\x08\x7b\x70\x5b\xe0\xb1\xdb\x7f\x0e\x19\x92\x5b\x5c\x3f"
      "\xcd\x22\xd2\xa3\x30\x7d\xff\x0b\x13\x44\xba\x05\x78\xf3\x8f\x90\xdc\x7b"
      "\x3b\x74\xa1\xeb\x54\xd2\x01\x13\x00\x00\xed\xdd\x19\x2f\x27\xe0\x93\x61"
      "\x8d\x18\x9d\x9e\x85\xcb\x3f\xcd\x09\xae\x6b\x92\x76\xcd\x3a\x72\x9d\x89"
      "\xa3\x3e\xfc\x09\xb7\x31\x8c\x9b\xfb\x47\x12\xe7\x39\xc5\x05\x15\x35\xf9"
      "\xf2\x59\x12\x58\xdc\xf3\x42\x65\xaa\x68\x35\xb5\x4a\x4b\x05\x00\x00\x00"
      "\x00\x00\x00\x00\x80\x00\x00\x00\x00\x44\x01\xdd\x9b\x58\x15\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xd1\xe6\x4c\xee\x0a\x5d\xb4\xf4\xd2\x98\xaf\x1c\x79"
      "\x90\xf8\xd8\x69\x6d\x03\xe3\xa8\xe3\xa8\x3d\x9d\x52\xcc\xca\x6d\xd9\x0f"
      "\x49\x6c\xce\xdb\x2b\xf6\xb4\x23\x1b\xe5\x94\x95\x31\x62\x50\xd4\x6a\x44"
      "\x29\xd0\xe5\x1b\x0a\x77\xb3\x54\x9c\xf5\xc1\xda\x27\x57\xa0\x62\x1b\x80"
      "\xfd\x50\x24\xfd\x86\x5a\x27\x02\x01\x17\xda\x85\x75\x57\xb9\x8d\xc5\x0d"
      "\x77\x56\x8e\x83\x8c\x29\x6a\x92\x74\xd2\xf2\x75\x2a\x94\x39",
      357));
  NONFAILING(memcpy(
      (void*)0x20000d00,
      "\x78\x9c\xec\xdd\x5d\x6c\x5c\x67\x5a\x07\xf0\xe7\x9d\x63\x27\x76\xca\xb2"
      "\x53\xda\xa6\x5d\xba\x48\xb3\x14\xb1\x69\x9a\x04\xe7\xa3\xad\x51\x5a\xe4"
      "\x6c\x8c\xb5\x2b\x45\x6d\x54\xc7\x0b\x37\x20\x8f\xe3\x49\x18\xd5\x5f\xb5"
      "\x9d\x55\x5a\xc1\x2a\x48\xc0\x0d\x08\x82\x8a\xb4\x02\x2e\xc8\x0d\x12\x17"
      "\x5c\xe4\x06\x09\xad\x10\x8a\xb8\x59\x24\x40\x8a\x40\x95\x16\x81\x44\xa0"
      "\x69\xb4\x12\x02\x66\x05\x0b\x2b\x2a\x61\x74\x66\xde\xb1\xc7\x6e\xd2\xb8"
      "\xf9\xb2\xd3\xfc\x7e\x6d\xfc\x9f\x39\xf3\x9c\x39\xef\x99\xf6\x39\x3e\x13"
      "\xcd\x7b\x26\x00\x00\x00\x00\x00\x00\x00\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\x88"
      "\x2f\xfd\xf4\xb1\xa1\x83\x69\xab\x47\x01\x00\x3c\x48\xaf\x8d\xbf\x31\x74"
      "\xd8\xef\x7f\x00\x78\xa4\x9c\xf2\xfe\x1f\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\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\xdb\x4b\x51"
      "\xc4\x5b\x91\xe2\xbd\xb1\x56\x9a\x6c\xdf\xef\x18\x38\xd1\x9c\x3b\x77\x7e"
      "\x62\x74\xec\xe6\xab\x0d\xa6\x48\x51\x89\xa2\x5d\x5f\xfe\x19\x38\x78\xe8"
      "\xf0\x91\x17\x5f\x7a\x79\xb8\x9b\x1f\xbf\xfe\xbd\xf6\xb9\x78\x7d\xfc\xd4"
      "\xb1\xda\xf1\xf9\xd9\x85\xc5\xc6\xd2\x52\x63\xba\x36\x31\xd7\x3c\x3d\x3f"
      "\xdd\xd8\xf4\x33\xdc\xed\xfa\x1b\xed\x6d\xbf\x00\xb5\xd9\x37\xcf\x4d\x9f"
      "\x39\xb3\x54\x3b\x74\xe0\xf0\xba\x87\xcf\x57\x6f\xec\x7c\x6c\x77\xf5\xe8"
      "\xf0\xb3\xfb\x9e\xef\xd6\x4e\x8c\x8e\x8d\x8d\xf7\xd4\xf4\xf5\xdf\xf1\xd6"
      "\x3f\x22\xdd\xbb\xa7\xe2\x53\x64\x47\x14\xf1\xe5\x48\xf1\xad\xfd\xdf\x49"
      "\xf5\x88\xa8\xc4\xdd\xf7\xc2\x6d\x8e\x1d\xf7\xdb\x60\xf4\x95\xfd\xd7\xde"
      "\x89\x89\xd1\xb1\xf6\x8e\xcc\x34\xeb\x73\xcb\xe5\x83\xa9\x92\xab\xfa\x22"
      "\xaa\x3d\x2b\x8d\x74\x7b\xe4\x01\xf4\xe2\x5d\x19\x89\xb8\x50\xfe\x77\x2a"
      "\x07\xbc\xb7\xdc\xbd\xf1\x85\xfa\x62\x7d\x6a\xa6\x51\x3b\x59\x5f\x5c\x6e"
      "\x2e\x37\xe7\xe7\x52\xa5\x33\xda\x72\x7f\xaa\x51\x89\xe1\x14\xb1\x10\x11"
      "\xad\x62\xab\x07\xcf\x76\xd3\x1f\x45\xbc\x1a\x29\x6e\x7c\xd8\x4a\x53\x11"
      "\x51\x74\xfb\xe0\x85\xd7\xc6\xdf\x18\x3a\x7c\xeb\x15\xfb\x1e\xe0\x20\x6f"
      "\xb1\xf9\x6a\x11\x71\x35\x1e\x82\x9e\x85\x6d\x6a\x67\x14\xf1\xdb\x91\xe2"
      "\xdd\xc9\xa1\x38\x9d\xfb\xaa\xdd\x36\xd7\x23\xbe\x58\xe6\x2b\x11\x6f\x95"
      "\x79\x25\xc5\xc5\x7c\x3f\x95\x07\x88\xe1\x88\xef\xfa\x7d\x02\x0f\xb5\xbe"
      "\x28\xe2\x6f\x22\xc5\x7c\x6a\xa5\xe9\x6e\xef\xb7\xcf\x2b\x4f\x7c\xb5\xf6"
      "\x95\xb9\x33\xf3\x3d\xb5\xdd\xf3\xca\x87\xfe\xfd\xc1\x83\xe4\xdc\x84\x6d"
      "\x6c\x20\x8a\x98\x6a\x9f\xf1\xb7\xd2\x9d\xff\x65\x17\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\xf0\x60\x14\xf1\xcd\x48\x71\x79\x76\x4f\x5a\x88\xde"
      "\x39\xa5\xcd\xb9\xb3\xb5\x53\xf5\xa9\x99\xce\xa7\x82\xbb\x9f\xfd\xaf\xe5"
      "\xb5\x56\x56\x56\x56\xaa\xa9\x93\xb5\x9c\x43\x39\x47\x72\x9e\xcc\x39\x99"
      "\x73\x21\xe7\x85\x9c\x17\x73\x5e\xca\x79\x39\xe7\x95\x9c\x57\x73\x5e\xcb"
      "\xd9\xca\x19\x95\xbc\xfd\x9c\xb5\x9c\x43\x39\x47\x72\x9e\xcc\x39\x99\x73"
      "\x21\xe7\x85\x9c\x17\x73\x5e\xca\x79\x39\xe7\x95\x9c\x57\x73\x5e\xcb\xd9"
      "\xca\x19\xe6\x3d\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x70\x8f\x0d\x46\x11\xbf\x11\x29\xfe\xfd\xf7\xbf\xd6\xfe\x5e\xe9\x68"
      "\x7f\x2f\xfd\x67\x8f\x0e\x1f\x3f\xf1\x99\xde\xef\x8c\x7f\xe6\x36\xcf\x53"
      "\xd6\x1e\x88\x88\x6f\xc6\xe6\xbe\x93\x77\x47\xfe\xae\xf1\x54\x29\xff\xb9"
      "\xf7\xfb\x05\xdc\xde\x40\x14\xf1\xf5\xfc\xfd\x7f\xbf\xbc\xd5\x83\x01\x00"
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      "\x4a\x14\xf1\x2b\x91\xe2\x1b\xdf\x6b\xa5\x48\x11\x31\x12\x31\x19\x9d\xbc"
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      "\x1f\xea\x59\x56\xcd\xe3\xda\xf4\x73\xc3\x23\xaa\xec\xff\x17\x22\xc5\xcf"
      "\xff\x51\x91\xba\x3d\x94\xfb\xff\x07\x3a\xf7\x8a\xd5\xda\xff\xf9\xfa\x5a"
      "\x4f\x1d\xdd\x90\xab\xb6\xa8\xff\x9f\xe8\x59\x76\x34\x1f\xb5\xfa\xfb\x22"
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      "\xd9\xc6\xdc\x91\x43\x2f\xbf\x34\x7c\xe4\xe5\x17\x8f\xbc\xd4\xbf\x23\x62"
      "\xe0\x4c\x73\xa6\x31\xb4\x76\x6b\xd3\xaf\x1d\x00\x00\x00\x00\x00\x00\x00"
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      "\x5c\x9d\x37\x9e\xe7\xff\x7d\xa6\x73\x6f\x6d\xfe\x5f\xef\xfc\xdf\x3d\x1b"
      "\x9e\xa7\xf7\xba\x01\xb7\xba\x7d\xd3\xb9\x7e\xb7\x99\xd7\xd7\xab\xdc\x66"
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      "\xbb\x52\x11\xdf\x2f\xfb\x69\xfa\xcb\xe9\x0b\x79\x59\xee\xff\x3c\xb3\xff"
      "\xe6\xfd\x7f\x61\x43\xae\xda\xa2\xf9\xbf\x8f\xf7\x2c\xbb\x90\x8f\x13\xff"
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      "\xee\x16\x6c\xa5\xb2\xff\x67\x23\xc5\x3f\xfc\xd6\xdf\xc6\x8f\xe6\x65\xeb"
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      "\xf4\xf6\x3b\x6f\xd6\x67\x66\x1a\x8b\x4b\x9b\x7e\x29\xe0\x91\x53\xf6\xff"
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      "\x45\x9f\xff\x7b\xba\x67\xd9\xf4\xba\xcf\xff\xde\xbf\x1b\x9b\x7e\x91\x01"
      "\x00\x60\x9b\xe8\x4f\x45\xfc\x44\xa4\xf8\xe3\xe9\xeb\xa9\x3b\x37\xf6\x96"
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      "\x9f\xe8\x5c\xff\x13\xcc\xff\x2f\xb7\x99\x52\x11\xff\x97\xe7\xf5\x0e\xdd"
      "\x66\x5e\xef\x8f\x47\x8a\x5f\xfb\xa9\x7d\xb9\x2e\xed\x2e\xeb\x46\xba\xc3"
      "\x6d\xff\x1c\x78\x6d\x7e\x6e\xff\xb1\x99\x99\xf9\xd3\xf5\xe5\xfa\xd4\x4c"
      "\xa3\x36\xbe\x50\x3f\xdd\x28\xd7\xdd\x1b\x29\xfe\xf5\xdf\x3e\x9f\xd7\xad"
      "\xb4\xe7\xf9\x76\xe7\x47\x77\xe6\x06\xaf\xcd\x09\xfe\x9d\x48\xf1\x73\x1f"
      "\x74\x6b\x3b\x73\x82\xbb\x73\x29\x9f\x5c\xab\x3d\x58\xd6\xee\x8f\x14\xdf"
      "\x7f\x7f\x7d\x6d\x77\xde\xd5\x53\x6b\xb5\x87\xca\xda\xdf\x8c\x14\x63\xff"
      "\x7d\xf3\xda\xdd\x6b\xb5\x87\xcb\xda\x7f\x8c\x14\xff\xf9\x6e\xad\x5b\xbb"
      "\xab\xac\xed\xbe\x9f\x7b\x7a\xad\xf6\xc0\xe9\xf9\x99\x8f\xbc\x65\x03\x00"
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      "\x52\xa4\xb8\xf2\x33\x97\x56\xe7\xc6\xaf\xbf\xfe\x57\xf7\x3a\x00\xeb\xaf"
      "\xff\xb5\xd1\xfd\xfa\xfe\xff\xea\xbd\xd9\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x78\x28\xa4\x28\xe2\xbf\x22\xc5\x7b"
      "\x63\xad\x74\xad\x28\xef\x77\x0c\x9c\x68\xce\x9d\x3b\x3f\x31\x3a\x76\xf3"
      "\xd5\x06\x53\xa4\xa8\x44\xd1\xae\x2f\xff\x0c\x1c\x3c\x74\xf8\xc8\x8b\x2f"
      "\xbd\x3c\xdc\xcd\x8f\x5f\xff\x5e\xfb\x5c\xbc\x3e\x7e\xea\x58\xed\xf8\xfc"
      "\xec\xc2\x62\x63\x69\xa9\x31\x5d\x9b\x98\x6b\x9e\x9e\x9f\x6e\x6c\xfa\x19"
      "\xee\x76\xfd\x8d\xf6\xb6\x5f\x80\xda\xec\x9b\xe7\xa6\xcf\x9c\x59\xaa\x1d"
      "\x3a\x70\x78\xdd\xc3\xe7\xab\x37\x76\x3e\xb6\xbb\x7a\x74\xf8\xd9\x7d\xcf"
      "\x77\x6b\x27\x46\xc7\xc6\xc6\x7b\x6a\xfa\xfa\xef\x78\xeb\x1f\x91\xee\xdd"
      "\x53\xf1\x29\xb2\x23\x8a\xf8\xab\x48\xf1\xad\xfd\xdf\x49\xff\x5c\x44\x54"
      "\xe2\xee\x7b\xe1\x36\xc7\x8e\xfb\x6d\x30\xfa\xca\xfe\x6b\xef\xc4\xc4\xe8"
      "\x58\x7b\x47\x66\x9a\xf5\xb9\xe5\xf2\xc1\x54\xc9\x55\x7d\x11\xd5\x9e\x95"
      "\x46\xba\x3d\xf2\x00\x7a\xf1\xae\x8c\x44\x5c\x88\x88\x4a\x39\xe0\xbd\xe5"
      "\xee\x8d\x2f\xd4\x17\xeb\x53\x33\x8d\xda\xc9\xfa\xe2\x72\x73\xb9\x39\x3f"
      "\x97\x2a\x9d\xd1\x96\xfb\x53\x8d\x4a\x0c\xa7\x88\x85\x88\x68\x15\x5b\x3d"
      "\x78\xb6\x9b\xfe\x28\xe2\x4a\xa4\xb8\xf1\x61\x2b\xfd\x4b\x11\x51\x74\xfb"
      "\xe0\x85\xd7\xc6\xdf\x18\x3a\x7c\xeb\x15\xfb\x1e\xe0\x20\x6f\xb1\xf9\x6a"
      "\x11\x71\x35\x1e\x82\x9e\x85\x6d\x6a\x67\x14\xf1\x64\xa4\x78\x77\x72\x28"
      "\xde\x2f\x3a\x7d\xd5\x6e\x9b\xeb\x11\x5f\x2c\xf3\x95\x88\xb7\xca\xbc\x92"
      "\xe2\x62\xbe\x9f\xca\x03\xc4\x70\xc4\x77\xfd\x3e\x81\x87\x5a\x5f\x14\x71"
      "\x32\x52\xcc\xa7\x56\xba\x5e\xe4\xde\x6f\x9f\x57\x9e\xf8\x6a\xed\x2b\x73"
      "\x67\xe6\x7b\x6a\xbb\xe7\x95\x0f\xfd\xfb\x83\x07\xc9\xb9\x09\xdb\xd8\x40"
      "\x14\xf1\x41\xfb\x8c\xbf\x95\x3e\xf0\xfb\x1c\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xb6\xb9\x22\x5e\x8d\x14\x97\x67\xf7\xa4\xf6\xfc\xd0\xd5\x39"
      "\xa5\xcd\xb9\xb3\xb5\x53\xf5\xa9\x99\xce\xc7\xfa\xbb\x9f\xfd\xaf\xe5\xb5"
      "\x56\x56\x56\x56\xaa\xa9\x93\xb5\x9c\x43\x39\x47\x72\x9e\xcc\x39\x99\x73"
      "\x21\xe7\x85\x9c\x17\x73\x5e\xca\x79\x39\xe7\x95\x9c\x57\x73\x5e\xcb\xd9"
      "\xca\x19\x95\xbc\xfd\x9c\xb5\x9c\x43\x39\x47\x72\x9e\xcc\x39\x99\x73\x21"
      "\xe7\x85\x9c\x17\x73\x5e\xca\x79\x39\xe7\x95\x9c\x57\x73\x5e\xcb\xd9\xca"
      "\x19\x3e\x27\x0d\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xc0"
      "\x7d\x52\x89\x22\x7e\x35\x52\x7c\xe3\x7b\xad\xb4\x52\x74\xbe\x5f\x76\x32"
      "\x3a\x79\xcd\x3c\x57\xf8\x54\xfb\xff\x00\x00\x00\xff\xff\x38\xfe\x23"
      "\x84",
      3132));
  NONFAILING(syz_mount_image(/*fs=*/0x20000c40, /*dir=*/0x20000c80, /*flags=*/0,
                             /*opts=*/0x200004c0, /*chdir=*/1, /*size=*/0xc3c,
                             /*img=*/0x20000d00));
  NONFAILING(memcpy((void*)0x20000340, "./bus\000", 6));
  syscall(__NR_creat, /*file=*/0x20000340ul, /*mode=*/0ul);
  NONFAILING(memcpy((void*)0x20000200, "/dev/loop", 9));
  NONFAILING(*(uint8_t*)0x20000209 = 0x30);
  NONFAILING(*(uint8_t*)0x2000020a = 0);
  NONFAILING(memcpy((void*)0x20001240, "./bus\000", 6));
  syscall(__NR_mount, /*src=*/0x20000200ul, /*dst=*/0x20001240ul, /*type=*/0ul,
          /*flags=*/0x1000ul, /*data=*/0ul);
  NONFAILING(memcpy((void*)0x20000040, "./bus\000", 6));
  res = syscall(__NR_creat, /*file=*/0x20000040ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  NONFAILING(*(uint64_t*)0x20000100 = 0x200004c0);
  NONFAILING(memcpy((void*)0x200004c0, "\x72\x1b", 2));
  NONFAILING(*(uint64_t*)0x20000108 = 2);
  syscall(__NR_writev, /*fd=*/r[0], /*vec=*/0x20000100ul, /*vlen=*/1ul);
  NONFAILING(memcpy((void*)0x20000480, "./bus\000", 6));
  res = syscall(__NR_open, /*file=*/0x20000480ul, /*flags=*/0x240ul,
                /*mode=*/2ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_sendfile, /*fdout=*/r[0], /*fdin=*/r[1], /*off=*/0ul,
          /*count=*/0x80001d00c0d0ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  setup_binfmt_misc();
  setup_usb();
  setup_swap();
  install_segv_handler();
  use_temporary_dir();
  do_sandbox_none();
  return 0;
}