// https://syzkaller.appspot.com/bug?id=5030e6941851189bdae8a669c373279f5efb35eb
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <netinet/in.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/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/wait.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/genetlink.h>
#include <linux/if_addr.h>
#include <linux/if_ether.h>
#include <linux/if_link.h>
#include <linux/if_tun.h>
#include <linux/in6.h>
#include <linux/ip.h>
#include <linux/loop.h>
#include <linux/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/nl80211.h>
#include <linux/rfkill.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 279
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif

static unsigned long long procid;

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;
}

struct nlmsg {
  char* pos;
  int nesting;
  struct nlattr* nested[8];
  char buf[4096];
};

static void netlink_init(struct nlmsg* nlmsg, int typ, int flags,
                         const void* data, int size)
{
  memset(nlmsg, 0, sizeof(*nlmsg));
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_type = typ;
  hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK | flags;
  memcpy(hdr + 1, data, size);
  nlmsg->pos = (char*)(hdr + 1) + NLMSG_ALIGN(size);
}

static void netlink_attr(struct nlmsg* nlmsg, int typ, const void* data,
                         int size)
{
  struct nlattr* attr = (struct nlattr*)nlmsg->pos;
  attr->nla_len = sizeof(*attr) + size;
  attr->nla_type = typ;
  if (size > 0)
    memcpy(attr + 1, data, size);
  nlmsg->pos += NLMSG_ALIGN(attr->nla_len);
}

static void netlink_nest(struct nlmsg* nlmsg, int typ)
{
  struct nlattr* attr = (struct nlattr*)nlmsg->pos;
  attr->nla_type = typ;
  nlmsg->pos += sizeof(*attr);
  nlmsg->nested[nlmsg->nesting++] = attr;
}

static void netlink_done(struct nlmsg* nlmsg)
{
  struct nlattr* attr = nlmsg->nested[--nlmsg->nesting];
  attr->nla_len = nlmsg->pos - (char*)attr;
}

static int netlink_send_ext(struct nlmsg* nlmsg, int sock, uint16_t reply_type,
                            int* reply_len, bool dofail)
{
  if (nlmsg->pos > nlmsg->buf + sizeof(nlmsg->buf) || nlmsg->nesting)
    exit(1);
  struct nlmsghdr* hdr = (struct nlmsghdr*)nlmsg->buf;
  hdr->nlmsg_len = nlmsg->pos - nlmsg->buf;
  struct sockaddr_nl addr;
  memset(&addr, 0, sizeof(addr));
  addr.nl_family = AF_NETLINK;
  ssize_t n = sendto(sock, nlmsg->buf, hdr->nlmsg_len, 0,
                     (struct sockaddr*)&addr, sizeof(addr));
  if (n != (ssize_t)hdr->nlmsg_len) {
    if (dofail)
      exit(1);
    return -1;
  }
  n = recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  if (reply_len)
    *reply_len = 0;
  if (n < 0) {
    if (dofail)
      exit(1);
    return -1;
  }
  if (n < (ssize_t)sizeof(struct nlmsghdr)) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type == NLMSG_DONE)
    return 0;
  if (reply_len && hdr->nlmsg_type == reply_type) {
    *reply_len = n;
    return 0;
  }
  if (n < (ssize_t)(sizeof(struct nlmsghdr) + sizeof(struct nlmsgerr))) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  if (hdr->nlmsg_type != NLMSG_ERROR) {
    errno = EINVAL;
    if (dofail)
      exit(1);
    return -1;
  }
  errno = -((struct nlmsgerr*)(hdr + 1))->error;
  return -errno;
}

static int netlink_send(struct nlmsg* nlmsg, int sock)
{
  return netlink_send_ext(nlmsg, sock, 0, NULL, true);
}

static int netlink_query_family_id(struct nlmsg* nlmsg, int sock,
                                   const char* family_name, bool dofail)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = CTRL_CMD_GETFAMILY;
  netlink_init(nlmsg, GENL_ID_CTRL, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, CTRL_ATTR_FAMILY_NAME, family_name,
               strnlen(family_name, GENL_NAMSIZ - 1) + 1);
  int n = 0;
  int err = netlink_send_ext(nlmsg, sock, GENL_ID_CTRL, &n, dofail);
  if (err < 0) {
    return -1;
  }
  uint16_t id = 0;
  struct nlattr* attr = (struct nlattr*)(nlmsg->buf + NLMSG_HDRLEN +
                                         NLMSG_ALIGN(sizeof(genlhdr)));
  for (; (char*)attr < nlmsg->buf + n;
       attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
    if (attr->nla_type == CTRL_ATTR_FAMILY_ID) {
      id = *(uint16_t*)(attr + 1);
      break;
    }
  }
  if (!id) {
    errno = EINVAL;
    return -1;
  }
  recv(sock, nlmsg->buf, sizeof(nlmsg->buf), 0);
  return id;
}

static void netlink_add_device_impl(struct nlmsg* nlmsg, const char* type,
                                    const char* name, bool up)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  netlink_init(nlmsg, RTM_NEWLINK, NLM_F_EXCL | NLM_F_CREATE, &hdr,
               sizeof(hdr));
  if (name)
    netlink_attr(nlmsg, IFLA_IFNAME, name, strlen(name));
  netlink_nest(nlmsg, IFLA_LINKINFO);
  netlink_attr(nlmsg, IFLA_INFO_KIND, type, strlen(type));
}

static void netlink_device_change(struct nlmsg* nlmsg, int sock,
                                  const char* name, bool up, const char* master,
                                  const void* mac, int macsize,
                                  const char* new_name)
{
  struct ifinfomsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  if (up)
    hdr.ifi_flags = hdr.ifi_change = IFF_UP;
  hdr.ifi_index = if_nametoindex(name);
  netlink_init(nlmsg, RTM_NEWLINK, 0, &hdr, sizeof(hdr));
  if (new_name)
    netlink_attr(nlmsg, IFLA_IFNAME, new_name, strlen(new_name));
  if (master) {
    int ifindex = if_nametoindex(master);
    netlink_attr(nlmsg, IFLA_MASTER, &ifindex, sizeof(ifindex));
  }
  if (macsize)
    netlink_attr(nlmsg, IFLA_ADDRESS, mac, macsize);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static int netlink_add_addr(struct nlmsg* nlmsg, int sock, const char* dev,
                            const void* addr, int addrsize)
{
  struct ifaddrmsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  hdr.ifa_family = addrsize == 4 ? AF_INET : AF_INET6;
  hdr.ifa_prefixlen = addrsize == 4 ? 24 : 120;
  hdr.ifa_scope = RT_SCOPE_UNIVERSE;
  hdr.ifa_index = if_nametoindex(dev);
  netlink_init(nlmsg, RTM_NEWADDR, NLM_F_CREATE | NLM_F_REPLACE, &hdr,
               sizeof(hdr));
  netlink_attr(nlmsg, IFA_LOCAL, addr, addrsize);
  netlink_attr(nlmsg, IFA_ADDRESS, addr, addrsize);
  return netlink_send(nlmsg, sock);
}

static void netlink_add_addr4(struct nlmsg* nlmsg, int sock, const char* dev,
                              const char* addr)
{
  struct in_addr in_addr;
  inet_pton(AF_INET, addr, &in_addr);
  int err = netlink_add_addr(nlmsg, sock, dev, &in_addr, sizeof(in_addr));
  if (err < 0) {
  }
}

static void netlink_add_addr6(struct nlmsg* nlmsg, int sock, const char* dev,
                              const char* addr)
{
  struct in6_addr in6_addr;
  inet_pton(AF_INET6, addr, &in6_addr);
  int err = netlink_add_addr(nlmsg, sock, dev, &in6_addr, sizeof(in6_addr));
  if (err < 0) {
  }
}

static void netlink_add_neigh(struct nlmsg* nlmsg, int sock, const char* name,
                              const void* addr, int addrsize, const void* mac,
                              int macsize)
{
  struct ndmsg hdr;
  memset(&hdr, 0, sizeof(hdr));
  hdr.ndm_family = addrsize == 4 ? AF_INET : AF_INET6;
  hdr.ndm_ifindex = if_nametoindex(name);
  hdr.ndm_state = NUD_PERMANENT;
  netlink_init(nlmsg, RTM_NEWNEIGH, NLM_F_EXCL | NLM_F_CREATE, &hdr,
               sizeof(hdr));
  netlink_attr(nlmsg, NDA_DST, addr, addrsize);
  netlink_attr(nlmsg, NDA_LLADDR, mac, macsize);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
}

static struct nlmsg nlmsg;

static int tunfd = -1;

#define TUN_IFACE "syz_tun"
#define LOCAL_MAC 0xaaaaaaaaaaaa
#define REMOTE_MAC 0xaaaaaaaaaabb
#define LOCAL_IPV4 "172.20.20.170"
#define REMOTE_IPV4 "172.20.20.187"
#define LOCAL_IPV6 "fe80::aa"
#define REMOTE_IPV6 "fe80::bb"

#define IFF_NAPI 0x0010

static void initialize_tun(void)
{
  tunfd = open("/dev/net/tun", O_RDWR | O_NONBLOCK);
  if (tunfd == -1) {
    printf("tun: can't open /dev/net/tun: please enable CONFIG_TUN=y\n");
    printf("otherwise fuzzing or reproducing might not work as intended\n");
    return;
  }
  const int kTunFd = 200;
  if (dup2(tunfd, kTunFd) < 0)
    exit(1);
  close(tunfd);
  tunfd = kTunFd;
  struct ifreq ifr;
  memset(&ifr, 0, sizeof(ifr));
  strncpy(ifr.ifr_name, TUN_IFACE, IFNAMSIZ);
  ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
  if (ioctl(tunfd, TUNSETIFF, (void*)&ifr) < 0) {
    exit(1);
  }
  char sysctl[64];
  sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/accept_dad", TUN_IFACE);
  write_file(sysctl, "0");
  sprintf(sysctl, "/proc/sys/net/ipv6/conf/%s/router_solicitations", TUN_IFACE);
  write_file(sysctl, "0");
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1)
    exit(1);
  netlink_add_addr4(&nlmsg, sock, TUN_IFACE, LOCAL_IPV4);
  netlink_add_addr6(&nlmsg, sock, TUN_IFACE, LOCAL_IPV6);
  uint64_t macaddr = REMOTE_MAC;
  struct in_addr in_addr;
  inet_pton(AF_INET, REMOTE_IPV4, &in_addr);
  netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in_addr, sizeof(in_addr),
                    &macaddr, ETH_ALEN);
  struct in6_addr in6_addr;
  inet_pton(AF_INET6, REMOTE_IPV6, &in6_addr);
  netlink_add_neigh(&nlmsg, sock, TUN_IFACE, &in6_addr, sizeof(in6_addr),
                    &macaddr, ETH_ALEN);
  macaddr = LOCAL_MAC;
  netlink_device_change(&nlmsg, sock, TUN_IFACE, true, 0, &macaddr, ETH_ALEN,
                        NULL);
  close(sock);
}

#define WIFI_INITIAL_DEVICE_COUNT 2
#define WIFI_MAC_BASE                                                          \
  {                                                                            \
    0x08, 0x02, 0x11, 0x00, 0x00, 0x00                                         \
  }
#define WIFI_IBSS_BSSID                                                        \
  {                                                                            \
    0x50, 0x50, 0x50, 0x50, 0x50, 0x50                                         \
  }
#define WIFI_IBSS_SSID                                                         \
  {                                                                            \
    0x10, 0x10, 0x10, 0x10, 0x10, 0x10                                         \
  }
#define WIFI_DEFAULT_FREQUENCY 2412
#define WIFI_DEFAULT_SIGNAL 0
#define WIFI_DEFAULT_RX_RATE 1
#define HWSIM_CMD_REGISTER 1
#define HWSIM_CMD_FRAME 2
#define HWSIM_CMD_NEW_RADIO 4
#define HWSIM_ATTR_SUPPORT_P2P_DEVICE 14
#define HWSIM_ATTR_PERM_ADDR 22

#define IF_OPER_UP 6
struct join_ibss_props {
  int wiphy_freq;
  bool wiphy_freq_fixed;
  uint8_t* mac;
  uint8_t* ssid;
  int ssid_len;
};

static int set_interface_state(const char* interface_name, int on)
{
  struct ifreq ifr;
  int sock = socket(AF_INET, SOCK_DGRAM, 0);
  if (sock < 0) {
    return -1;
  }
  memset(&ifr, 0, sizeof(ifr));
  strcpy(ifr.ifr_name, interface_name);
  int ret = ioctl(sock, SIOCGIFFLAGS, &ifr);
  if (ret < 0) {
    close(sock);
    return -1;
  }
  if (on)
    ifr.ifr_flags |= IFF_UP;
  else
    ifr.ifr_flags &= ~IFF_UP;
  ret = ioctl(sock, SIOCSIFFLAGS, &ifr);
  close(sock);
  if (ret < 0) {
    return -1;
  }
  return 0;
}

static int nl80211_set_interface(struct nlmsg* nlmsg, int sock,
                                 int nl80211_family, uint32_t ifindex,
                                 uint32_t iftype)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = NL80211_CMD_SET_INTERFACE;
  netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
  netlink_attr(nlmsg, NL80211_ATTR_IFTYPE, &iftype, sizeof(iftype));
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
  return err;
}

static int nl80211_join_ibss(struct nlmsg* nlmsg, int sock, int nl80211_family,
                             uint32_t ifindex, struct join_ibss_props* props)
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = NL80211_CMD_JOIN_IBSS;
  netlink_init(nlmsg, nl80211_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, NL80211_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
  netlink_attr(nlmsg, NL80211_ATTR_SSID, props->ssid, props->ssid_len);
  netlink_attr(nlmsg, NL80211_ATTR_WIPHY_FREQ, &(props->wiphy_freq),
               sizeof(props->wiphy_freq));
  if (props->mac)
    netlink_attr(nlmsg, NL80211_ATTR_MAC, props->mac, ETH_ALEN);
  if (props->wiphy_freq_fixed)
    netlink_attr(nlmsg, NL80211_ATTR_FREQ_FIXED, NULL, 0);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
  return err;
}

static int get_ifla_operstate(struct nlmsg* nlmsg, int ifindex)
{
  struct ifinfomsg info;
  memset(&info, 0, sizeof(info));
  info.ifi_family = AF_UNSPEC;
  info.ifi_index = ifindex;
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock == -1) {
    return -1;
  }
  netlink_init(nlmsg, RTM_GETLINK, 0, &info, sizeof(info));
  int n;
  int err = netlink_send_ext(nlmsg, sock, RTM_NEWLINK, &n, true);
  close(sock);
  if (err) {
    return -1;
  }
  struct rtattr* attr = IFLA_RTA(NLMSG_DATA(nlmsg->buf));
  for (; RTA_OK(attr, n); attr = RTA_NEXT(attr, n)) {
    if (attr->rta_type == IFLA_OPERSTATE)
      return *((int32_t*)RTA_DATA(attr));
  }
  return -1;
}

static int await_ifla_operstate(struct nlmsg* nlmsg, char* interface,
                                int operstate)
{
  int ifindex = if_nametoindex(interface);
  while (true) {
    usleep(1000);
    int ret = get_ifla_operstate(nlmsg, ifindex);
    if (ret < 0)
      return ret;
    if (ret == operstate)
      return 0;
  }
  return 0;
}

static int nl80211_setup_ibss_interface(struct nlmsg* nlmsg, int sock,
                                        int nl80211_family_id, char* interface,
                                        struct join_ibss_props* ibss_props)
{
  int ifindex = if_nametoindex(interface);
  if (ifindex == 0) {
    return -1;
  }
  int ret = nl80211_set_interface(nlmsg, sock, nl80211_family_id, ifindex,
                                  NL80211_IFTYPE_ADHOC);
  if (ret < 0) {
    return -1;
  }
  ret = set_interface_state(interface, 1);
  if (ret < 0) {
    return -1;
  }
  ret = nl80211_join_ibss(nlmsg, sock, nl80211_family_id, ifindex, ibss_props);
  if (ret < 0) {
    return -1;
  }
  return 0;
}

static int hwsim80211_create_device(struct nlmsg* nlmsg, int sock,
                                    int hwsim_family,
                                    uint8_t mac_addr[ETH_ALEN])
{
  struct genlmsghdr genlhdr;
  memset(&genlhdr, 0, sizeof(genlhdr));
  genlhdr.cmd = HWSIM_CMD_NEW_RADIO;
  netlink_init(nlmsg, hwsim_family, 0, &genlhdr, sizeof(genlhdr));
  netlink_attr(nlmsg, HWSIM_ATTR_SUPPORT_P2P_DEVICE, NULL, 0);
  netlink_attr(nlmsg, HWSIM_ATTR_PERM_ADDR, mac_addr, ETH_ALEN);
  int err = netlink_send(nlmsg, sock);
  if (err < 0) {
  }
  return err;
}

static void initialize_wifi_devices(void)
{
  int rfkill = open("/dev/rfkill", O_RDWR);
  if (rfkill == -1) {
    if (errno != ENOENT && errno != EACCES)
      exit(1);
  } else {
    struct rfkill_event event = {0};
    event.type = RFKILL_TYPE_ALL;
    event.op = RFKILL_OP_CHANGE_ALL;
    if (write(rfkill, &event, sizeof(event)) != (ssize_t)(sizeof(event)))
      exit(1);
    close(rfkill);
  }
  uint8_t mac_addr[6] = WIFI_MAC_BASE;
  int sock = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock < 0) {
    return;
  }
  int hwsim_family_id =
      netlink_query_family_id(&nlmsg, sock, "MAC80211_HWSIM", true);
  int nl80211_family_id =
      netlink_query_family_id(&nlmsg, sock, "nl80211", true);
  uint8_t ssid[] = WIFI_IBSS_SSID;
  uint8_t bssid[] = WIFI_IBSS_BSSID;
  struct join_ibss_props ibss_props = {.wiphy_freq = WIFI_DEFAULT_FREQUENCY,
                                       .wiphy_freq_fixed = true,
                                       .mac = bssid,
                                       .ssid = ssid,
                                       .ssid_len = sizeof(ssid)};
  for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
    mac_addr[5] = device_id;
    int ret = hwsim80211_create_device(&nlmsg, sock, hwsim_family_id, mac_addr);
    if (ret < 0)
      exit(1);
    char interface[6] = "wlan0";
    interface[4] += device_id;
    if (nl80211_setup_ibss_interface(&nlmsg, sock, nl80211_family_id, interface,
                                     &ibss_props) < 0)
      exit(1);
  }
  for (int device_id = 0; device_id < WIFI_INITIAL_DEVICE_COUNT; device_id++) {
    char interface[6] = "wlan0";
    interface[4] += device_id;
    int ret = await_ifla_operstate(&nlmsg, interface, IF_OPER_UP);
    if (ret < 0)
      exit(1);
  }
  close(sock);
}

#define MAX_FDS 30

//% 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, 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();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  initialize_tun();
  initialize_wifi_devices();
  setup_binderfs();
  loop();
  exit(1);
}

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

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 NL802154_CMD_SET_SHORT_ADDR 11
#define NL802154_ATTR_IFINDEX 3
#define NL802154_ATTR_SHORT_ADDR 10

static void setup_802154()
{
  int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock_route == -1)
    exit(1);
  int sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock_generic < 0)
    exit(1);
  int nl802154_family_id =
      netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
  for (int i = 0; i < 2; i++) {
    char devname[] = "wpan0";
    devname[strlen(devname) - 1] += i;
    uint64_t hwaddr = 0xaaaaaaaaaaaa0002 + (i << 8);
    uint16_t shortaddr = 0xaaa0 + i;
    int ifindex = if_nametoindex(devname);
    struct genlmsghdr genlhdr;
    memset(&genlhdr, 0, sizeof(genlhdr));
    genlhdr.cmd = NL802154_CMD_SET_SHORT_ADDR;
    netlink_init(&nlmsg, nl802154_family_id, 0, &genlhdr, sizeof(genlhdr));
    netlink_attr(&nlmsg, NL802154_ATTR_IFINDEX, &ifindex, sizeof(ifindex));
    netlink_attr(&nlmsg, NL802154_ATTR_SHORT_ADDR, &shortaddr,
                 sizeof(shortaddr));
    int err = netlink_send(&nlmsg, sock_generic);
    if (err < 0) {
    }
    netlink_device_change(&nlmsg, sock_route, devname, true, 0, &hwaddr,
                          sizeof(hwaddr), 0);
    if (i == 0) {
      netlink_add_device_impl(&nlmsg, "lowpan", "lowpan0", false);
      netlink_done(&nlmsg);
      netlink_attr(&nlmsg, IFLA_LINK, &ifindex, sizeof(ifindex));
      int err = netlink_send(&nlmsg, sock_route);
      if (err < 0) {
      }
    }
  }
  close(sock_route);
  close(sock_generic);
}

void loop(void)
{
  memcpy((void*)0x20000040, "ntfs\000", 5);
  memcpy((void*)0x2001f200, "./file0\000", 8);
  memcpy(
      (void*)0x20000980,
      "\x78\x9c\xec\x9d\x4f\x6c\x1b\x59\x1d\xc7\xbf\x33\xb6\xe3\x6c\x92\xb6\x49"
      "\xa8\x50\x16\x0e\x3b\x45\xd6\xaa\x12\x28\xb2\x80\x95\xb8\xd5\xf9\xe3\x34"
      "\xae\xd2\x24\x9b\x38\x55\xb9\xd0\xb8\xc4\xdd\x86\x66\x63\x6f\xec\x6a\x37"
      "\xa8\x62\xcd\x6d\x11\x97\x1c\x11\x97\xed\x71\x85\x38\x44\x82\x03\x12\x12"
      "\xda\x23\x97\x0a\x8e\x08\x71\xe0\xb0\xb7\x5e\x2a\x71\x60\x0f\xa8\x46\xf3"
      "\xe6\xbd\xc9\xfc\xf1\xe4\x8f\x93\xd8\x4d\x7e\xdf\x8f\xd4\xbe\xe7\xf1\xf8"
      "\xcd\x9b\xf9\xfa\x4d\xfc\x7d\x7f\x7e\xf3\x72\x65\x6f\xb1\x3c\xb7\xea\x38"
      "\x8e\x83\x51\x0b\x1e\x5f\x7b\xc9\xc7\x55\x2f\x6d\xa1\x85\xb6\x7e\x2f\xad"
      "\x77\x69\xeb\xd4\xdd\xfc\x9f\x6b\xc0\x7f\x7f\xfb\xcb\xdb\xdf\x6d\xfc\x6d"
      "\x06\x23\xc0\xd5\x77\xfe\xf2\xd1\xb3\xdf\x7f\xe7\xcb\xe6\xf0\xbd\x3f\x5e"
      "\xfd\x73\x16\x2f\x46\x7f\xf2\xf2\xd5\xf7\xbf\x7a\xf1\xcd\x17\x6f\xbf\x7c"
      "\x5d\x7e\xbc\xd9\x70\x36\x1b\xce\x76\xad\xe9\x54\x9c\x87\xb5\x5a\xb3\xf2"
      "\x70\xab\xea\x6c\x6c\x36\x9e\x4c\x3a\xcb\x5b\xd5\x4a\xa3\xea\x6c\x6e\x37"
      "\xaa\x3b\xa1\xb7\x1f\x6d\xd5\xea\xf5\x5d\xa7\xb2\xbd\x71\x65\xa8\xbe\x53"
      "\x6d\x34\x9c\xca\xf6\xae\xf3\xa4\xba\xeb\x34\x6b\x4e\x73\x67\xd7\xa9\x7c"
      "\x50\xd9\xdc\x76\x26\x27\x27\x9d\x2b\x43\x20\xc7\x64\xed\x77\xfd\xae\x01"
      "\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\x21\x84\x90"
      "\xb3\xa1\xdd\x46\xd6\x4d\x6f\xf5\xbb\x22\x84\x10\x42\x08\x21\x84\x10\x42"
      "\x08\x21\x84\x10\x42\x08\x21\x84\x10\x42\x08\xe9\x9a\xb9\xd2\x42\x31\x8f"
      "\xb7\xfc\xd7\x16\x2c\xcc\xc3\xc2\x17\x16\x80\xd1\x83\xfd\xcc\xba\xff\xc1"
      "\x84\x72\xdc\x5d\xd7\x55\x6e\x42\xfd\x3f\xef\xe7\x0e\x67\xe0\x98\xf5\xcc"
      "\x03\x78\xec\x97\x6f\xe3\x8e\xca\x59\xc8\xa8\x6d\x19\xb4\xca\xf9\xed\x5f"
      "\xbf\xfe\x87\x95\x94\x62\x5f\x07\x30\xd0\xa9\x39\x6e\x3a\x95\xc3\x5d\xcc"
      "\xa1\xac\x5f\xb7\x74\xdd\x2d\x14\x74\x74\x03\x8f\x3b\x3a\x2d\x98\x0d\xfb"
      "\xfa\x8a\xac\x87\xd3\xb1\x5b\xe9\x1b\x23\xb7\x2c\xec\x87\xca\x49\xc5\xce"
      "\xc7\x2f\x67\x34\x94\xf8\xe9\x98\x65\xab\xb4\xdd\x6e\xb7\x8f\x79\x89\xba"
      "\x20\x49\x4d\x22\x03\xea\x2f\x1b\xea\x2f\x1b\xea\x2f\x1b\xea\x2f\x1b\xea"
      "\x2f\x1b\xea\x2f\x9b\xc1\x44\xff\xff\x38\xe2\xff\x53\xda\x0d\xdb\x09\x25"
      "\x25\xf9\xff\xa3\x7c\x79\x47\xff\x6f\xc5\x37\xb9\xfe\xbf\xee\x97\x6f\x63"
      "\xe5\xa4\xfe\xdf\x18\x6e\x9d\x9a\xe3\x0e\xfa\xfe\xff\x2e\x36\xb1\x83\x1d"
      "\xbd\x3d\xa9\x1f\x20\x15\x2e\x06\xd1\x72\x4d\x7a\x23\xed\xd9\xf6\xf3\xf5"
      "\xef\x84\x9c\x86\xa4\xd6\x4c\x64\x40\xfd\x65\x43\xfd\x65\x43\xfd\x65\x43"
      "\xfd\x65\x43\xfd\x65\x63\xc7\xfc\xbf\x7d\x88\xff\xb7\x2f\xb2\xff\xf7\x67"
      "\x30\x78\x69\xd0\xff\x2f\xa0\x86\x0f\x30\x87\x4d\x6c\x41\x3f\xf2\x20\xd1"
      "\xff\x9b\x38\x09\xbe\xff\x8f\x94\x6b\xd2\x1b\x85\x94\xfa\x50\x7f\xfc\xbf"
      "\x95\x3e\xde\x7e\x6c\xff\x97\x9c\xaf\x3a\x34\xa5\x00\xd4\x5f\x36\xd4\x5f"
      "\x36\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f\x36\x71\xff\x9f\xd2\xfe"
      "\xff\x55\xc4\xff\x0f\x04\xfa\x00\x3a\x31\xaa\xfd\xb2\xf1\xff\xf9\x2e\xfd"
      "\x7f\x78\x9e\xbf\x85\xe5\x13\xfb\xfc\x30\xa6\xfc\x6c\x2a\x87\x7b\xa8\x61"
      "\x0b\x4f\xf1\x21\xaa\xaa\xdc\x96\x7f\x1c\x1b\x1b\xfe\x11\xd3\x2d\xf7\x3c"
      "\xcc\x7a\x80\xeb\xea\xdd\x1f\xea\xf3\xbe\x8e\xcf\xad\x71\x58\xde\x51\x32"
      "\xe3\xfa\xf3\x6a\x9b\xb7\x43\xc6\x01\xe0\xd8\x08\xed\x13\x7d\x0f\xba\xaf"
      "\x24\xef\x1f\x3f\x8d\x71\x9d\x6b\x60\x17\x3f\xc7\x13\x54\xb0\xa5\x7a\x23"
      "\xcc\x7c\x84\x3a\x80\x9b\xfe\xfe\x19\x8c\x44\xd6\x57\xa4\xf4\x99\xb7\xfc"
      "\xed\x13\xfe\x6c\x85\x89\xc4\x7e\x08\xb6\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9"
      "\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\xc4\xfd\x7f\x5a\xfb\xff"
      "\xe7\xc3\xf1\xf5\xff\x69\xff\x1b\x53\x8e\x95\x74\x96\xfe\xff\x14\xe3\xfc"
      "\x07\x0b\xed\x87\xbc\x24\x38\xce\x3f\x85\x26\x9a\xd8\xc1\x2c\xaa\x78\xa4"
      "\xb7\x87\xfb\x01\x52\xc7\xee\x07\xf8\x15\xe2\xfd\x00\x6a\xdb\x09\xfb\x01"
      "\x94\x5f\x1f\x32\xc7\xb7\x9e\xb9\xbb\xb7\x3f\x05\x72\x58\x45\x19\x53\x58"
      "\xc4\x2c\xa6\xb0\x82\x59\x3c\x40\x09\x8b\x98\xc3\x12\x56\x70\x17\x53\x28"
      "\xa3\x84\x25\x2c\x9e\x40\xed\x38\xc9\xed\x3f\x20\xbd\x9a\xeb\x90\xd7\xf9"
      "\x79\x9d\xe6\x54\x0d\xca\x58\x41\x09\xd3\x58\x43\x19\x45\x3c\xc0\x02\x4a"
      "\xaa\xde\xe7\x8f\x13\xc8\xb7\x02\xf9\xb6\x26\x87\x39\x94\xb0\xa0\x6a\xb5"
      "\x88\x29\xdc\x45\xb1\x07\xb5\x3a\x20\x1f\xc8\x4f\x03\x98\x35\x79\x7d\xc9"
      "\x73\x58\xc2\x34\xee\xa0\x88\x19\x94\x95\xb6\xb3\xc7\x29\xf6\xcc\x1e\xd3"
      "\xe1\xcd\x5f\xb1\x03\x79\x8d\x65\xea\xb7\xaa\xea\xb6\xa6\x14\x2e\xe3\xc7"
      "\x78\x80\x59\x14\xb1\x8a\x19\xb5\x65\x19\x65\xf5\x4d\x3c\x2f\x96\x03\xf9"
      "\xce\xfa\xde\xc3\x12\x16\xb0\xa6\x94\xed\xbd\xc6\xeb\x81\x7c\x21\xd8\x92"
      "\xfc\xeb\x17\xae\xdf\xd9\xb7\xdd\xc3\xa9\x47\xea\x37\xa2\xf3\x26\xcd\xa9"
      "\xfb\x8a\x8d\xa9\x73\xac\xc3\x61\xb4\x12\xb6\x1f\xe8\x5b\x52\xf7\xbe\x22"
      "\xee\xe3\x01\x56\xb0\x84\xa5\x9e\xdc\x57\x0c\x7b\x81\x7c\xe1\xc8\xfa\x4d"
      "\x61\x01\x0b\x58\xc2\x4c\x4f\xb4\x75\x79\x1e\xc8\x77\x6e\x1f\xd3\xaa\xdd"
      "\xba\xdf\xb6\xe5\xc4\x52\xce\xef\xf7\xdf\xfe\x91\xf5\x5b\x41\x11\xcb\xea"
      "\x6f\xdb\xaa\x6a\x21\xcb\x58\x52\xd7\xb4\x37\x2a\x7f\x99\x50\x3f\x23\x76"
      "\x0e\x45\x4c\xf5\xa1\xdd\x1a\xfe\x6e\x32\x59\x2f\x31\x2b\x75\x4d\xea\xd5"
      "\xef\xb4\x74\xaf\xff\xbf\x13\xdf\xf1\x6e\x80\x39\xd5\x1e\x6e\xe3\x36\x8a"
      "\xea\xb7\xcb\x9a\xba\x76\x0b\xfe\xdf\x92\x55\xf5\xdb\xa1\xa8\xee\xda\xe7"
      "\x42\x60\x24\xa8\x95\xf4\xc6\x1b\x4c\x6f\xe6\x8d\xd2\xff\xc9\x86\xfa\xcb"
      "\x26\xee\xff\x33\xca\xff\xa7\x30\x6a\xc7\xc7\xff\x33\xea\xcf\x51\xbe\x63"
      "\x49\x47\xf9\xff\xe9\xf7\xde\xfb\x28\x98\x9a\xed\xef\x46\xca\xc9\x87\xd6"
      "\x11\x58\xca\x15\x9d\x72\xfc\x5f\x9d\x85\x95\x9a\x54\xaf\x97\x43\xf3\xfa"
      "\x0f\xbe\xff\xe6\x83\xfe\x6f\x3d\x6d\x30\xbf\x37\x1a\x4e\xc7\xec\x19\x95"
      "\xba\xbf\x0f\xef\xbb\x99\xb4\xd7\x6f\xf0\x23\xfd\x11\xf7\x77\xe1\x0f\x90"
      "\x57\xe7\x61\xe9\x0b\x63\xa6\x52\xdc\xd4\xff\x82\x95\x9c\x88\x44\x07\x7c"
      "\xae\xeb\x68\xa5\x0b\xfa\x8a\x87\x99\x0f\x5e\xf0\x0e\xa9\x39\xfe\x98\xe5"
      "\x79\xa1\x7d\x33\x6f\x20\xed\xcd\x33\x18\x0c\xd5\x33\xeb\xd7\x85\x71\x0a"
      "\x24\x92\xed\x77\x05\x48\x5f\xa1\xfe\xb2\xa1\xfe\xb2\xa1\xfe\x17\x1f\xdd"
      "\xa1\xf6\x69\x37\x9f\xa5\xfe\xb2\xa1\xfe\xb2\xc9\xc6\xfc\xff\x80\x1e\xff"
      "\x5f\xef\xb0\xfe\x7f\xa0\xcf\xeb\xff\x83\xf1\xff\x4f\xbc\x2e\x40\x9f\x4b"
      "\xc1\x3f\x4f\x7d\x05\x52\x39\x4c\x63\x13\x4d\x7c\x88\x0a\xea\x89\xeb\xfe"
      "\x0d\xd1\xb8\xfd\xd1\xf0\x7f\x63\xd6\x9c\x4a\x2f\x86\x9f\x66\xff\x9f\x6c"
      "\xa8\xbf\x6c\xa8\xbf\x6c\xa8\xbf\x6c\xa8\xbf\x6c\xa8\xbf\x6c\xa8\xbf\x6c"
      "\xe2\xe3\xff\x59\xed\xff\xff\xda\xe1\xf9\x7f\xd9\x9e\xaf\xff\xb7\xb1\x70"
      "\x52\x9f\x6f\x26\x86\xeb\xd4\x94\x9f\x51\x3e\xbf\x86\x1a\x9a\xea\xf5\x9b"
      "\x30\xef\xbf\x53\x3f\x43\xd2\x3c\x84\x68\x3a\xa6\xcb\x39\x5d\x3f\x03\xdb"
      "\xbf\x6c\xa8\xff\x25\x26\xfe\xd0\xd1\x18\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f"
      "\x36\xd4\x5f\x36\xd4\x5f\x36\x71\xff\x3f\xa8\xfd\xff\x67\x1d\xfc\xff\xe0"
      "\x19\x8c\xff\x9b\x30\xf9\xa7\x8b\xff\x9f\xea\x22\xfe\x7f\x98\x60\x5c\x80"
      "\x69\x54\xb0\x81\x19\x15\x1b\xb0\x01\xcf\x4f\x87\xe3\xe8\xd9\x7e\xae\x15"
      "\x9a\x9f\x7f\x50\xec\x6b\x9d\xf5\xe7\xe7\xbf\x7a\x27\x9c\x6a\xcc\xd1\xec"
      "\xb6\xf7\x81\xfe\xce\x13\x60\xfb\x97\x0d\xf5\x97\x0d\xf5\x97\x0d\xf5\x97"
      "\x0d\xf5\x97\x0d\xf5\x97\x0d\xf5\x97\x4d\xdc\xff\xbf\xa5\xfc\xff\x5b\xf8"
      "\x53\x64\xfd\x7f\x46\xbd\xe7\x7e\xa2\xd4\xb1\xa4\x53\xcc\xff\x77\xa2\x65"
      "\x59\x47\xce\xff\x3f\x93\xe7\x02\xa8\xe3\x66\x53\x39\xac\xa2\x8a\x9f\xe2"
      "\x29\x76\x50\x8d\xf8\xfb\x83\xf6\x51\xf0\xaf\x8f\x39\x61\xaf\x23\xe3\x7f"
      "\x08\xa7\x6e\x69\xb3\x58\xc5\xd8\xd4\x6d\xf5\x7a\xcf\xc4\x42\xd2\x71\x02"
      "\xf6\xfc\xf5\xf7\xee\x7e\x5e\x6f\xc1\x38\xc2\x71\x02\x5a\x81\x98\x35\x13"
      "\x6a\x06\x82\x7b\xfe\x5e\xe4\x9f\xf7\x73\x7f\x50\xd7\xc7\xa4\x66\xbf\x67"
      "\x00\x4a\x28\xc5\xf6\x7f\x35\x9e\xfa\xda\x2d\xd8\xa4\x08\xed\x6f\x87\xf4"
      "\xb3\x75\x7d\x9f\xe3\x20\x5e\x40\x2b\x50\xdf\x92\xd6\x7e\x34\x52\xdf\x7a"
      "\x20\xde\xd8\x75\x7d\xfc\x9b\xa6\xa3\x27\xe1\xd8\xd1\xfd\x92\xce\x29\x5a"
      "\xbf\x8b\xb1\xae\xe2\xa2\xc0\xfb\xbf\x6c\xa8\xbf\x4c\xcc\xcd\x98\xfa\xcb"
      "\x86\xfa\xcb\x86\xfa\x4b\xe4\xe0\x37\x34\xf5\x97\x4d\xdc\xff\x0f\xe9\xf1"
      "\xff\x2f\x3a\x8c\xff\x0f\xf5\x71\xfd\xff\x68\xc8\xff\xa7\xba\xf0\xff\xb6"
      "\x7f\xce\x88\xac\xff\x5f\x43\x1d\x33\xa8\xa0\x81\xaa\xf2\xba\x9d\xe6\xe5"
      "\x9b\x51\xfc\x42\xa8\x46\x88\x5d\x91\x1b\xce\x67\x2a\x35\xf3\xfb\x91\xf1"
      "\xe6\x0f\x38\x3a\x0e\x5f\x0e\x25\x6c\xe3\x11\x6a\x7a\x7f\xd3\xf9\x31\xb2"
      "\xf9\xed\x27\x1f\xff\xe2\x5f\xff\x8c\x9e\xf7\xf9\xfa\x5d\xb6\x7f\xd9\x50"
      "\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\xc4"
      "\xfd\xff\xb0\x8e\xff\xbf\x67\xc7\xe3\xff\x0d\xf7\xc8\xff\xf7\x68\xfc\x5f"
      "\x9d\x9d\xeb\xff\x8b\xf8\x04\x4d\x54\xb1\x8d\x0d\x35\xfe\xfd\x89\x65\xc6"
      "\xbf\x6d\xdc\xb7\x8e\x8e\xeb\x3f\x6f\x79\xff\x5c\xde\xf6\xce\x00\xeb\xfa"
      "\x29\x41\xc3\xfa\xff\x93\xd6\xef\x5d\xdd\x35\x30\x90\xca\x61\x09\x0f\xf1"
      "\x33\x94\xfc\x18\x05\x67\x57\xbe\xad\xca\x7f\x1f\x4f\x55\x5c\x84\x0a\x80"
      "\x6f\xe9\xf2\x1f\xeb\x67\xbb\x9d\xb6\xfe\x83\xa9\x1c\x56\x50\x45\x1d\x15"
      "\xec\xa8\x1e\x96\xf8\xf7\x86\xe3\xfa\xfd\x82\xf7\x7f\xd9\x50\x7f\xd9\x50"
      "\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\xc4\xfd\xff\x88\xf2\xee\x16"
      "\xf2\x1d\xe2\xff\x8f\xf4\x20\xfe\x5f\x38\x2e\x9f\x7d\xec\xb8\x7c\x9f\x5b"
      "\xf1\xb8\x7c\x6a\x5b\x37\xcf\xe3\xf7\x8f\x6f\xf9\xb9\xce\xfe\xb4\x70\xfc"
      "\x4b\xfd\x46\xc2\xf6\x2f\x1b\xea\x2f\x1b\xea\x2f\x8f\xc0\xd3\xd0\x8f\x11"
      "\x21\x92\x5c\x66\xd8\xfe\x65\x43\xfd\x65\x43\xfd\x65\x13\xf7\xff\x57\x0e"
      "\xf1\xff\x57\xe8\xff\x2f\x19\x6c\xff\xb2\xa1\xfe\xb2\xa1\xfe\xb2\xa1\xfe"
      "\xb2\xa1\xfe\xb2\xa1\xfe\xb2\xa1\xfe\xb2\x89\xfb\xff\xab\x87\xf8\xff\xab"
      "\xa2\xfd\xbf\x4d\xff\x4f\x2e\x19\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f\x36\xd4"
      "\x5f\x36\xd4\x5f\x36\xd4\x5f\x36\x71\xff\x7f\xed\x10\xff\x7f\x4d\xb4\xff"
      "\xe7\xf8\x3f\xb9\x6c\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\x50\x7f\xd9\x50"
      "\x7f\xd9\x50\x7f\xd9\xc4\xfd\xbf\xf1\xf1\xbf\x41\xd8\xff\x1f\xf5\xc4\xa0"
      "\xb3\xf2\xff\x97\xd3\x67\xbf\xa9\xb0\xfd\xcb\x86\xfa\xcb\x86\xfa\xcb\x86"
      "\xfa\xcb\x86\xfa\xcb\x86\xfa\xcb\x86\xfa\xcb\x26\xee\xff\xc7\xe8\xff\x05"
      "\xc1\xf6\x2f\x1b\xea\x2f\x1b\xea\x2f\x1b\xea\x2f\x1b\xea\x2f\x1b\xea\x7f"
      "\x59\xe8\x2e\x94\x2b\xf5\x97\x4d\xdc\xff\x8f\xd3\xff\x0b\x82\xed\x5f\x36"
      "\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f\x36\xd4\x5f\x36"
      "\x71\xff\xff\x0d\xfa\x7f\x41\xb0\xfd\xcb\x86\xfa\xcb\x86\xfa\xcb\x86\xfa"
      "\xcb\x86\xfa\xcb\x86\xfa\x5f\x10\xfe\x1f\x00\x00\xff\xff\x81\x2f\x07"
      "\x70",
      2430);
  syz_mount_image(0x20000040, 0x2001f200, 0, 0x20000000, 0, 0x97e, 0x20000980);
  close_fds();
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  setup_binfmt_misc();
  setup_usb();
  setup_802154();
  use_temporary_dir();
  do_sandbox_none();
  return 0;
}