// https://syzkaller.appspot.com/bug?id=9499bc6574cea5940e48199c2fd0732d9b11e5e1
// 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 <netinet/in.h>
#include <sched.h>
#include <setjmp.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/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/in6.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/veth.h>

#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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

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

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

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

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 struct nlmsg nlmsg;

#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

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

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

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

static void setup_common()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 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_wifi_devices();
  setup_binderfs();
  loop();
  exit(1);
}

static int inject_fault(int nth)
{
  int fd;
  fd = open("/proc/thread-self/fail-nth", O_RDWR);
  if (fd == -1)
    exit(1);
  char buf[16];
  sprintf(buf, "%d", nth);
  if (write(fd, buf, strlen(buf)) != (ssize_t)strlen(buf))
    exit(1);
  return fd;
}

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

static void setup_fault()
{
  static struct {
    const char* file;
    const char* val;
    bool fatal;
  } files[] = {
      {"/sys/kernel/debug/failslab/ignore-gfp-wait", "N", true},
      {"/sys/kernel/debug/fail_futex/ignore-private", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-highmem", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/ignore-gfp-wait", "N", false},
      {"/sys/kernel/debug/fail_page_alloc/min-order", "0", false},
  };
  unsigned i;
  for (i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].file, files[i].val)) {
      if (files[i].fatal)
        exit(1);
    }
  }
}

static void setup_sysctl()
{
  char mypid[32];
  snprintf(mypid, sizeof(mypid), "%d", getpid());
  struct {
    const char* name;
    const char* data;
  } files[] = {
      {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
      {"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
      {"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
      {"/proc/sys/net/core/bpf_jit_harden", "0"},
      {"/proc/sys/kernel/kptr_restrict", "0"},
      {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
      {"/proc/sys/fs/mount-max", "100"},
      {"/proc/sys/vm/oom_dump_tasks", "0"},
      {"/proc/sys/debug/exception-trace", "0"},
      {"/proc/sys/kernel/printk", "7 4 1 3"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
      {"/proc/sys/kernel/ctrl-alt-del", "0"},
      {"/proc/sys/kernel/cad_pid", mypid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data))
      printf("write to %s failed: %s\n", files[i].name, strerror(errno));
  }
}

#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)
{
  NONFAILING(memcpy((void*)0x20000000, "f2fs\000", 5));
  NONFAILING(memcpy((void*)0x20000100, "./file0\000", 8));
  NONFAILING(*(uint64_t*)0x20000200 = 0x20010080);
  NONFAILING(memcpy(
      (void*)0x20010080,
      "\x00\x00\x00\x08\xdb\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x25\x00\x00\x00\x6d\x70\x00\x00"
      "\x00\x00\x00\x00\x77\x6d\x00\x00\x00\x00\x00\x00\x6f\x67\x00\x00\x00\x00"
      "\x00\x00\x6a\x70\x00\x00\x00\x00\x00\x00\x61\x76\x69\x00\x00\x00\x00\x00"
      "\x6d\x34\x76\x00\x00\x00\x00\x00\x6d\x34\x70\x00\x00\x00\x00\x00\x6d\x6b"
      "\x76\x00\x00\x00\x00\x00\x6d\x6f\x76\x00\x00\x00\x00\x00\x77\x65\x62\x6d"
      "\x00\x00\x00\x00\x77\x61\x76\x00\x00\x00\x00\x00\x6d\x34\x61\x00\x00\x00"
      "\x00\x00\x33\x67\x70\x00\x00\x00\x00\x00\x6f\x70\x75\x73\x00\x00\x00\x00"
      "\x66\x6c\x61\x63\x00\x00\x00\x00\x67\x69\x66\x00\x00\x00\x00\x00\x70\x6e"
      "\x67\x00\x00\x00\x00\x00\x73\x76\x67\x00\x00\x00\x00\x00\x77\x65\x62\x70"
      "\x00\x00\x00\x00\x6a\x61\x72\x00\x00\x00\x00\x00\x64\x65\x62\x00\x00\x00"
      "\x00\x00\x69\x73\x6f\x00\x00\x00\x00\x00\x67\x7a\x00\x00\x00\x00\x00\x00"
      "\x78\x7a\x00\x00\x00\x00\x00\x00\x7a\x73\x74\x00\x00\x00\x00\x00\x70\x64"
      "\x66\x00\x00\x00\x00\x00\x70\x79\x63\x00\x00\x00\x00\x00\x74\x74\x63\x00"
      "\x00\x00\x00\x00\x74\x74\x66\x00\x00\x00\x00\x00\x65\x78\x65\x00\x00\x00"
      "\x00\x00\x61\x70\x6b\x00\x00\x00\x00\x00\x63\x6e\x74\x00\x00\x00\x00\x00"
      "\x65\x78\x6f\x00\x00\x00\x00\x00\x6f\x64\x65\x78\x00\x00\x00\x00\x76\x64"
      "\x65\x78\x00\x00\x00\x00\x73\x6f\x00\x00\x00\x00\x00\x00\x63\x6f\x6c\x64"
      "\x00\x00\x00\x00\x64\x62\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
      352));
  NONFAILING(*(uint64_t*)0x20000208 = 0x160);
  NONFAILING(*(uint64_t*)0x20000210 = 5);
  NONFAILING(*(uint64_t*)0x20000218 = 0x20010000);
  NONFAILING(
      memcpy((void*)0x20010000,
             "\x10\x20\xf5\xf2\x01\x00\x0e\x00\x09\x00\x00\x00\x03\x00\x00\x00"
             "\x0c\x00\x00\x00\x09\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x1b\x00\x00\x00"
             "\x3e\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00"
             "\x02\x00\x00\x00\x36\x00\x00\x00\x00\x04\x00\x00\x00\x04\x00\x00"
             "\x00\x08\x00\x00\x00\x0c\x00\x00\x00\x10\x00\x00\x00\x14\x00\x00"
             "\x03\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x79\x36\x25\x62"
             "\x78\x15\x45\x66\xbd\xc1\x95\x34\xe4\x0b\x25\x88\x00\x00\x00\x00",
             128));
  NONFAILING(*(uint64_t*)0x20000220 = 0x80);
  NONFAILING(*(uint64_t*)0x20000228 = 0x400);
  NONFAILING(*(uint64_t*)0x20000230 = 0x200101e0);
  NONFAILING(memcpy(
      (void*)0x200101e0,
      "\x00\x00\x00\x00\x4c\x69\x6e\x75\x78\x20\x76\x65\x72\x73\x69\x6f\x6e\x20"
      "\x35\x2e\x31\x37\x2e\x31\x31\x2d\x31\x72\x6f\x64\x65\x74\x65\x32\x2d\x61"
      "\x6d\x64\x36\x34\x00\xa9\x67\x6c\x69\x6e\x75\x78\x2d\x74\x65\x61\x6d\x40"
      "\x67\x6f\x6f\x67\x6c\x65\x2e\x63\x6f\x6d\x29\x20\x28\x67\x63\x63\x2d\x31"
      "\x31\x20\x28\x44\x65\x62\x69\x61\x6e\x20\x31\x31\x2e\x32\x2e\x30\x2d\x32"
      "\x30\x29\x20\x31\x31\x2e\x32\x2e\x30\x2c\x20\x47\x4e\x55\x20\x6c\x64\x20"
      "\x28\x47\x4e\x55\x20\x42\x69\x6e\x75\x74\x69\x6c\x73\x20\x66\x6f\x72\x20"
      "\x44\x65\x62\x69\x61\x6e\x29\x20\x32\x2e\x33\x38\x29\x20\x23\x31\x20\x53"
      "\x4d\x50\x20\x50\x52\x45\x45\x4d\x50\x54\x20\x44\x65\x62\x69\x61\x6e\x20"
      "\x35\x2e\x31\x37\x2e\x31\x31\x2d\x31\x72\x6f\x64\x65\x74\x65\x32\x20\x28"
      "\x32\x30\x32\x32\x2d\x30\x36\x2d\x30\x39\x29\x00",
      192));
  NONFAILING(*(uint64_t*)0x20000238 = 0xc0);
  NONFAILING(*(uint64_t*)0x20000240 = 0xa80);
  NONFAILING(*(uint64_t*)0x20000248 = 0x200102a0);
  NONFAILING(memcpy((void*)0x200102a0,
                    "\000\000\000\000Linux version 5.17.11-1rodete2-amd64 "
                    "(glinux-team@google.com) (gcc-11 (Debian 11.2.0-20) "
                    "11.2.0, GNU ld (GNU Binutils for Debian) 2.38) #1 SMP "
                    "PREEMPT Debian 5.17.11-1rodete2 (2022-06-09)\000",
                    192));
  NONFAILING(*(uint64_t*)0x20000250 = 0xc0);
  NONFAILING(*(uint64_t*)0x20000258 = 0xb80);
  NONFAILING(*(uint64_t*)0x20000260 = 0x20010360);
  NONFAILING(
      memcpy((void*)0x20010360,
             "\x00\x00\x00\x00\x78\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000268 = 0x20);
  NONFAILING(*(uint64_t*)0x20000270 = 0xc80);
  NONFAILING(*(uint64_t*)0x20000278 = 0x20010380);
  NONFAILING(
      memcpy((void*)0x20010380,
             "\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000280 = 0x20);
  NONFAILING(*(uint64_t*)0x20000288 = 0xec0);
  NONFAILING(*(uint64_t*)0x20000290 = 0x200103a0);
  NONFAILING(
      memcpy((void*)0x200103a0,
             "\x10\x20\xf5\xf2\x01\x00\x0e\x00\x09\x00\x00\x00\x03\x00\x00\x00"
             "\x0c\x00\x00\x00\x09\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x1b\x00\x00\x00"
             "\x3e\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00"
             "\x02\x00\x00\x00\x36\x00\x00\x00\x00\x04\x00\x00\x00\x04\x00\x00"
             "\x00\x08\x00\x00\x00\x0c\x00\x00\x00\x10\x00\x00\x00\x14\x00\x00"
             "\x03\x00\x00\x00\x01\x00\x00\x00\x02\x00\x00\x00\x79\x36\x25\x62"
             "\x78\x15\x45\x66\xbd\xc1\x95\x34\xe4\x0b\x25\x88\x00\x00\x00\x00",
             128));
  NONFAILING(*(uint64_t*)0x20000298 = 0x80);
  NONFAILING(*(uint64_t*)0x200002a0 = 0x1400);
  NONFAILING(*(uint64_t*)0x200002a8 = 0x20000b40);
  NONFAILING(memcpy(
      (void*)0x20000b40,
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x25\x00\x00\x00\x6d\x70\x00\x00"
      "\x00\x00\x00\x00\x77\x6d\x00\x00\x00\x00\x00\x00\x6f\x67\x00\x00\x00\x00"
      "\x00\x00\x6a\x70\x00\x00\x00\x00\x00\x00\x61\x76\x69\x00\x00\x00\x00\x00"
      "\x6d\x34\x76\x00\x00\x00\x00\x00\x6d\x34\x70\x00\x00\x00\x00\x00\x6d\x6b"
      "\x76\x00\x00\x00\x00\x00\x6d\x6f\x76\x00\x00\x00\x00\x00\x77\x65\x62\x6d"
      "\x00\x00\x00\x00\x77\x61\x76\x00\x00\x00\x00\x00\x6d\x34\x61\x00\x00\x00"
      "\x00\x00\x33\x67\x70\x00\x00\x00\x00\x00\x6f\x70\x75\x73\x00\x00\x00\x00"
      "\x66\x6c\x61\x63\x00\x00\x00\x00\x67\x69\x66\x00\x00\x00\x00\x00\x70\x6e"
      "\x67\x00\x00\x00\x00\x00\x73\x76\x67\x00\x00\x00\x00\x00\x77\x65\x62\x70"
      "\x00\x00\x00\x00\x6a\x61\x72\x00\x00\x00\x00\x00\x64\x65\x62\x00\x00\x00"
      "\x00\x00\x69\x73\x6f\x00\x00\x00\x00\x00\x67\x7a\x00\x00\x00\x00\x00\x00"
      "\x78\x7a\x00\x00\x00\x00\x00\x00\x7a\x73\x74\x00\x00\x00\x00\x00\x70\x64"
      "\x66\x00\x00\x00\x00\x00\x70\x79\x63\x00\x00\x00\x00\x00\x74\x74\x63\x00"
      "\x00\x00\x00\x00\x74\x74\x66\x00\x00\x00\x00\x00\x65\x78\x65\x00\x00\x00"
      "\x00\x00\x61\x70\x6b\x00\x00\x00\x00\x00\x63\x6e\x74\x00\x00\x00\x00\x00"
      "\x65\x78\x6f\x00\x00\x00\x00\x00\x6f\x64\x65\x78\x00\x00\x00\x00\x76\x64"
      "\x65\x78\x00\x00\x00\x00\x73\x6f\x00\x00\x00\x00\x00\x00\x63\x6f\x6c\x64"
      "\x00\x00\x00\x00\x64\x62\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x7a\x62\x08\x51\x2f\x0f\x0d\x44"
      "\x41\xb7\xcc\x7f\xbb\x17\x7f\x01\x20\x2c\x9b\x92\x9d\x49\xd1\xe4\xee\xd9"
      "\x9e\xf8\xb9\xf2\x59\xb1\x42\x99\x1b",
      387));
  NONFAILING(*(uint64_t*)0x200002b0 = 0x183);
  NONFAILING(*(uint64_t*)0x200002b8 = 0x1860);
  NONFAILING(*(uint64_t*)0x200002c0 = 0x20010580);
  NONFAILING(memcpy((void*)0x20010580,
                    "\000\000\000\000Linux version 5.17.11-1rodete2-amd64 "
                    "(glinux-team@google.com) (gcc-11 (Debian 11.2.0-20) "
                    "11.2.0, GNU ld (GNU Binutils for Debian) 2.38) #1 SMP "
                    "PREEMPT Debian 5.17.11-1rodete2 (2022-06-09)\000",
                    192));
  NONFAILING(*(uint64_t*)0x200002c8 = 0xc0);
  NONFAILING(*(uint64_t*)0x200002d0 = 0x1a80);
  NONFAILING(*(uint64_t*)0x200002d8 = 0x20010640);
  NONFAILING(memcpy((void*)0x20010640,
                    "\000\000\000\000Linux version 5.17.11-1rodete2-amd64 "
                    "(glinux-team@google.com) (gcc-11 (Debian 11.2.0-20) "
                    "11.2.0, GNU ld (GNU Binutils for Debian) 2.38) #1 SMP "
                    "PREEMPT Debian 5.17.11-1rodete2 (2022-06-09)\000",
                    192));
  NONFAILING(*(uint64_t*)0x200002e0 = 0xc0);
  NONFAILING(*(uint64_t*)0x200002e8 = 0x1b80);
  NONFAILING(*(uint64_t*)0x200002f0 = 0x20010700);
  NONFAILING(
      memcpy((void*)0x20010700,
             "\x00\x00\x00\x00\x78\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x200002f8 = 0x20);
  NONFAILING(*(uint64_t*)0x20000300 = 0x1c80);
  NONFAILING(*(uint64_t*)0x20000308 = 0x20010720);
  NONFAILING(
      memcpy((void*)0x20010720,
             "\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000310 = 0x20);
  NONFAILING(*(uint64_t*)0x20000318 = 0x1ec0);
  NONFAILING(*(uint64_t*)0x20000320 = 0x20010740);
  NONFAILING(memcpy(
      (void*)0x20010740,
      "\x6f\x45\x51\x36\x00\x00\x00\x00\x00\x24\x00\x00\x00\x00\x00\x00\x0b\x00"
      "\x00\x00\x00\x00\x00\x00\x1b\x00\x00\x00\x24\x00\x00\x00\x30\x00\x00\x00"
      "\x00\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x03\x00\x06\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x18\x00"
      "\x00\x00\x0a\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\xc5\x01\x00\x00\x06\x00\x00\x00\x01\x00\x00\x00"
      "\x07\x00\x00\x00\x07\x00\x00\x00\x0a\x00\x00\x00\x40\x00\x00\x00\x40\x00"
      "\x00\x00\xfc\x0f\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
      192));
  NONFAILING(*(uint64_t*)0x20000328 = 0xc0);
  NONFAILING(*(uint64_t*)0x20000330 = 0x400000);
  NONFAILING(*(uint64_t*)0x20000338 = 0x20010800);
  NONFAILING(
      memcpy((void*)0x20010800,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe6\x4e\xbd\x79"
             "\x00\x00\x03\x00\x00\x00\x00\x03\x00\x00\x00\x00\x14\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             64));
  NONFAILING(*(uint64_t*)0x20000340 = 0x40);
  NONFAILING(*(uint64_t*)0x20000348 = 0x400fe0);
  NONFAILING(*(uint64_t*)0x20000350 = 0x20010840);
  NONFAILING(
      memcpy((void*)0x20010840,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00"
             "\x00\x02\x0c\x60\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             64));
  NONFAILING(*(uint64_t*)0x20000358 = 0x40);
  NONFAILING(*(uint64_t*)0x20000360 = 0x4011e0);
  NONFAILING(*(uint64_t*)0x20000368 = 0x200108a0);
  NONFAILING(
      memcpy((void*)0x200108a0,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x14\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000370 = 0x20);
  NONFAILING(*(uint64_t*)0x20000378 = 0x401280);
  NONFAILING(*(uint64_t*)0x20000380 = 0x200108c0);
  NONFAILING(
      memcpy((void*)0x200108c0,
             "\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x04\x00\x78\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000388 = 0x20);
  NONFAILING(*(uint64_t*)0x20000390 = 0x4012e0);
  NONFAILING(*(uint64_t*)0x20000398 = 0x20000140);
  NONFAILING(
      memcpy((void*)0x20000140,
             "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
             "\000\000\000\000\000\n\000\000\000\000\b\000\000\000\000\000",
             32));
  NONFAILING(*(uint64_t*)0x200003a0 = 0x20);
  NONFAILING(*(uint64_t*)0x200003a8 = 0x401320);
  NONFAILING(*(uint64_t*)0x200003b0 = 0x20010900);
  NONFAILING(
      memcpy((void*)0x20010900,
             "\x00\x00\x00\x18\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x200003b8 = 0x20);
  NONFAILING(*(uint64_t*)0x200003c0 = 0x401380);
  NONFAILING(*(uint64_t*)0x200003c8 = 0x20000600);
  NONFAILING(memcpy(
      (void*)0x20000600,
      "\x03\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2d\x03\xfb\xe1"
      "\xb9\x62\x39\x19\xcb\xf4\x33\x0c\x00\x52\x77\x71\x56\x77\x7d\x08\xaa\x92"
      "\x40\x57\x03\x31\x9b\xf6\x56\x5f\x55\x09\xc2\x27\xf9\xc9\xef\x8a\x77\xaf"
      "\x4a\xe1\xa1\xeb\xfd\xa9\x5b\xc1\xc1\xc2\xc4\xac\xc1\xdb\x99\x4e\x55\x49"
      "\x7e\x43\xb8\x08\x0f\xb8\x65\x56\x51\x73\x41\xd0\x2a\x29\x50\x00\xda\x58"
      "\x3d\x17\xc7\x60\x40\x17\x32\xbb\x0c\xec\x9c\x9c\x59\x79\x49\xe5\x4e\x47"
      "\x24\xb4\x6b\xc3\x36\x17\xea\xe5\x73\xc6\x16\x0b\x6a\x1c\x05\x13\x11\x61"
      "\xf0\x43\x83\x9d\x9c\x1a\xf4\xbc\xb5\xe3\xe9\x23\x52\x61\x67\xc8\x53\x33"
      "\x59\xc0\xcf\x26\xb8\x34\x26\xe6\xa0\x8b\xc9\x69\x17\xda\x2f\x43\xe8\x23"
      "\xd3\x2a\x9c\x78\x2b\x88\x7a\x70\x3d\x80\xab\x30\xb8\xc9\x3a\x2e\xa7\x91"
      "\x74\x8e\xff\x74\x51\xdd\x0a\x4c\x95\xd1\x5b\x88\xac\x97\xb3\xa0\x71\x2d"
      "\xd2\xe9\x87\x7c\xbc\x05\x85\xb7\x20\x23\x3c\x3d\x02\x0e\x14\x9c\xe0\x30"
      "\x95\x64\xb7\xab\xc2\xec\x99\x05\xf3\x7d\xbe\x80\xbf\x46\xe1\xc4\x82\x9a"
      "\xb2\x08\x00\x71\xfd\x32\xab\x55\xfe\xd7\x96\x01\xf8\x73",
      266));
  NONFAILING(*(uint64_t*)0x200003d0 = 0x10a);
  NONFAILING(*(uint64_t*)0x200003d8 = 0x402000);
  NONFAILING(*(uint64_t*)0x200003e0 = 0x20010980);
  NONFAILING(
      memcpy((void*)0x20010980,
             "\x00\x00\x8c\x00\x00\x00\x00\x00\x40\xc4\xf6\x5f\x42\xb8\x9d\xd5"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x200003e8 = 0x20);
  NONFAILING(*(uint64_t*)0x200003f0 = 0x402e00);
  NONFAILING(*(uint64_t*)0x200003f8 = 0x200109a0);
  NONFAILING(
      memcpy((void*)0x200109a0,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00"
             "\x05\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x07\x00"
             "\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00"
             "\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             96));
  NONFAILING(*(uint64_t*)0x20000400 = 0x60);
  NONFAILING(*(uint64_t*)0x20000408 = 0x402fe0);
  NONFAILING(*(uint64_t*)0x20000410 = 0x20010a00);
  NONFAILING(
      memcpy((void*)0x20010a00,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000418 = 0x20);
  NONFAILING(*(uint64_t*)0x20000420 = 0x403fe0);
  NONFAILING(*(uint64_t*)0x20000428 = 0x20010ba0);
  NONFAILING(memcpy(
      (void*)0x20010ba0,
      "\x6e\x45\x51\x36\x00\x00\x00\x00\x00\x24\x00\x00\x00\x00\x00\x00\x0b\x00"
      "\x00\x00\x00\x00\x00\x00\x1b\x00\x00\x00\x24\x00\x00\x00\x30\x00\x00\x00"
      "\x00\x00\x00\x00\x02\x00\x00\x00\x04\x00\x00\x00\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x03\x00\x06\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x18\x00"
      "\x00\x00\x0a\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\xc5\x00\x00\x00\x06\x00\x00\x00\x01\x00\x00\x00"
      "\x07\x00\x00\x00\x07\x00\x00\x00\x0a\x00\x00\x00\x40\x00\x00\x00\x40\x00"
      "\x00\x00\xfc\x0f",
      166));
  NONFAILING(*(uint64_t*)0x20000430 = 0xa6);
  NONFAILING(*(uint64_t*)0x20000438 = 0x600000);
  NONFAILING(*(uint64_t*)0x20000440 = 0x20010c60);
  NONFAILING(
      memcpy((void*)0x20010c60,
             "\x00\x00\x00\x00\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\x4c\x01\xb0",
             32));
  NONFAILING(*(uint64_t*)0x20000448 = 0x20);
  NONFAILING(*(uint64_t*)0x20000450 = 0x600fe0);
  NONFAILING(*(uint64_t*)0x20000458 = 0x20010ca0);
  NONFAILING(memcpy((void*)0x20010ca0,
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06"
                    "\x00\x00\x00\x00\x00\x02\x0c\x60",
                    36));
  NONFAILING(*(uint64_t*)0x20000460 = 0x24);
  NONFAILING(*(uint64_t*)0x20000468 = 0x6011e0);
  NONFAILING(*(uint64_t*)0x20000470 = 0x20010ce0);
  NONFAILING(memcpy((void*)0x20010ce0,
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00"
                    "\x00\x05\x10\xec",
                    18));
  NONFAILING(*(uint64_t*)0x20000478 = 0x12);
  NONFAILING(*(uint64_t*)0x20000480 = 0x601240);
  NONFAILING(*(uint64_t*)0x20000488 = 0x20010d00);
  NONFAILING(memcpy((void*)0x20010d00,
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04",
                    26));
  NONFAILING(*(uint64_t*)0x20000490 = 0x1a);
  NONFAILING(*(uint64_t*)0x20000498 = 0x601280);
  NONFAILING(*(uint64_t*)0x200004a0 = 0x20010d20);
  NONFAILING(memcpy((void*)0x20010d20, "\x00\x00\x00\x00\x00\x00\x00\x06", 8));
  NONFAILING(*(uint64_t*)0x200004a8 = 8);
  NONFAILING(*(uint64_t*)0x200004b0 = 0x6012e0);
  NONFAILING(*(uint64_t*)0x200004b8 = 0x20010d40);
  NONFAILING(memcpy((void*)0x20010d40,
                    "\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
                    "\000\000\000\000\000\000\000\n",
                    22));
  NONFAILING(*(uint64_t*)0x200004c0 = 0x16);
  NONFAILING(*(uint64_t*)0x200004c8 = 0x601320);
  NONFAILING(*(uint64_t*)0x200004d0 = 0x20010d60);
  NONFAILING(memcpy((void*)0x20010d60, "\x00\x00\x00\x18", 4));
  NONFAILING(*(uint64_t*)0x200004d8 = 4);
  NONFAILING(*(uint64_t*)0x200004e0 = 0x601380);
  NONFAILING(*(uint64_t*)0x200004e8 = 0x20010e00);
  NONFAILING(
      memcpy((void*)0x20010e00,
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00"
             "\x05\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x07\x00"
             "\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00"
             "\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
             96));
  NONFAILING(*(uint64_t*)0x200004f0 = 0x60);
  NONFAILING(*(uint64_t*)0x200004f8 = 0x602fe0);
  NONFAILING(*(uint64_t*)0x20000500 = 0x20010e60);
  NONFAILING(
      memcpy((void*)0x20010e60,
             "\x00\x00\x00\x00\x06\x00\x05\x00\x00\x00\x00\x00\x00\x05\x00\x00"
             "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00",
             32));
  NONFAILING(*(uint64_t*)0x20000508 = 0x20);
  NONFAILING(*(uint64_t*)0x20000510 = 0x603fe0);
  NONFAILING(*(uint64_t*)0x20000518 = 0x20010e80);
  NONFAILING(memcpy(
      (void*)0x20010e80,
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x6e\x45\x51\x36"
      "\x00\x00\x00\x00\x00\x24\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00"
      "\x00\x00\x1b\x00\x00\x00\x24\x00\x00\x00\x30\x00\x00\x00\x00\x00\x00\x00"
      "\x02\x00\x00\x00\x04\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x03\x00\x06\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x18\x00\x00\x00\x0a\x00"
      "\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff"
      "\xff\xff\xff\xff\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\xc5\x00\x00\x00\x06\x00\x00\x00\x01\x00\x00\x00\x07\x00\x00\x00"
      "\x07\x00\x00\x00\x0a\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x00\xfc\x0f"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00",
      224));
  NONFAILING(*(uint64_t*)0x20000520 = 0xe0);
  NONFAILING(*(uint64_t*)0x20000528 = 0x604fe0);
  NONFAILING(*(uint64_t*)0x20000530 = 0x20000080);
  NONFAILING(
      memcpy((void*)0x20000080,
             "\x00\x00\x00\x00\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\x4c\x01\xb0",
             32));
  NONFAILING(*(uint64_t*)0x20000538 = 0x20);
  NONFAILING(*(uint64_t*)0x20000540 = 0x605fe0);
  NONFAILING(*(uint64_t*)0x20000548 = 0x20010f80);
  NONFAILING(memcpy(
      (void*)0x20010f80,
      "\x6e\x45\x51\x36\x80\x4c\x01\xb0\x00\x00\x00\x00\x00\x00\x00\x00", 16));
  NONFAILING(*(uint64_t*)0x20000550 = 0x10);
  NONFAILING(*(uint64_t*)0x20000558 = 0x7ff000);
  NONFAILING(*(uint64_t*)0x20000560 = 0x20010fa0);
  NONFAILING(memcpy((void*)0x20010fa0,
                    "\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff", 10));
  NONFAILING(*(uint64_t*)0x20000568 = 0xa);
  NONFAILING(*(uint64_t*)0x20000570 = 0x7ff040);
  NONFAILING(*(uint64_t*)0x20000578 = 0x20011000);
  NONFAILING(memcpy(
      (void*)0x20011000,
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00"
      "\x00\x02\x00\x00\x00\x01\x00\x00\x00\x00\x03\x00\x00\x00\x01\x14",
      34));
  NONFAILING(*(uint64_t*)0x20000580 = 0x22);
  NONFAILING(*(uint64_t*)0x20000588 = 0xc00000);
  NONFAILING(*(uint64_t*)0x20000590 = 0x20000180);
  NONFAILING(
      memcpy((void*)0x20000180,
             "\xed\x41\x00\x20\x80\x76\x10\x00\x53\x5f\x01\x00\x03\x00\x00\x00"
             "\x00\x10\x00\x00\x00\x00\x00\x00\x02\x71\xde\xa6\xa5\x56\xfd\x20"
             "\xb6\x02\xd2\x44\x17\xaa\x9f\x99\xec\x3f\xde\x5c\xe0\xa9\x00\x9a"
             "\x86\xf9\xad\x03\xcc\x00\x26\xed\xe8\xe1\xef\x5a\x0e",
             61));
  NONFAILING(*(uint64_t*)0x20000598 = 0x3d);
  NONFAILING(*(uint64_t*)0x200005a0 = 0x1401000);
  NONFAILING(*(uint64_t*)0x200005a8 = 0x20011160);
  NONFAILING(memcpy((void*)0x20011160,
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x03",
                    13));
  NONFAILING(*(uint64_t*)0x200005b0 = 0xd);
  NONFAILING(*(uint64_t*)0x200005b8 = 0x1401fe0);
  NONFAILING(memcpy((void*)0x20000040, "active_logs=4", 13));
  NONFAILING(*(uint8_t*)0x2000004d = 0x2c);
  NONFAILING(memcpy((void*)0x2000004e, "nodiscard", 9));
  NONFAILING(*(uint8_t*)0x20000057 = 0x2c);
  NONFAILING(memcpy((void*)0x20000058, "noflush_merge", 13));
  NONFAILING(*(uint8_t*)0x20000065 = 0x2c);
  NONFAILING(*(uint8_t*)0x20000066 = 0);
  NONFAILING(syz_mount_image(0x20000000, 0x20000100, 0x8100000, 0x28,
                             0x20000200, 0, 0x20000040, 0));
  NONFAILING(memcpy((void*)0x200001c0, "./file0\000", 8));
  inject_fault(10);
  syscall(__NR_mount, 0ul, 0x200001c0ul, 0ul, 0x180020ul, 0ul);
  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_sysctl();
  setup_fault();
  setup_802154();
  install_segv_handler();
  do_sandbox_none();
  return 0;
}