// https://syzkaller.appspot.com/bug?id=20b7b55fb7940835d9600897d28a4fa556a4a3f7
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <arpa/inet.h>
#include <dirent.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 <signal.h>
#include <stdarg.h>
#include <stdbool.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/swap.h>
#include <sys/syscall.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/capability.h>
#include <linux/falloc.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/neighbour.h>
#include <linux/net.h>
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
#include <linux/tcp.h>
#include <linux/veth.h>

#ifndef __NR_bpf
#define __NR_bpf 321
#endif

static unsigned long long procid;

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

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

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

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

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms(void)
{
  struct timespec ts;
  if (clock_gettime(CLOCK_MONOTONIC, &ts))
    exit(1);
  return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000;
}

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);
}

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

static int read_tun(char* data, int size)
{
  if (tunfd < 0)
    return -1;
  int rv = read(tunfd, data, size);
  if (rv < 0) {
    if (errno == EAGAIN || errno == EBADF || errno == EBADFD)
      return -1;
    exit(1);
  }
  return rv;
}

static void flush_tun()
{
  char data[1000];
  while (read_tun(&data[0], sizeof(data)) != -1) {
  }
}

#define MAX_FDS 30

static void mount_cgroups(const char* dir, const char** controllers, int count)
{
  if (mkdir(dir, 0777)) {
    return;
  }
  char enabled[128] = {0};
  int i = 0;
  for (; i < count; i++) {
    if (mount("none", dir, "cgroup", 0, controllers[i])) {
      continue;
    }
    umount(dir);
    strcat(enabled, ",");
    strcat(enabled, controllers[i]);
  }
  if (enabled[0] == 0) {
    if (rmdir(dir) && errno != EBUSY)
      exit(1);
    return;
  }
  if (mount("none", dir, "cgroup", 0, enabled + 1)) {
    if (rmdir(dir) && errno != EBUSY)
      exit(1);
  }
  if (chmod(dir, 0777)) {
  }
}

static void mount_cgroups2(const char** controllers, int count)
{
  if (mkdir("/syzcgroup/unified", 0777)) {
    return;
  }
  if (mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL)) {
    if (rmdir("/syzcgroup/unified") && errno != EBUSY)
      exit(1);
    return;
  }
  if (chmod("/syzcgroup/unified", 0777)) {
  }
  int control = open("/syzcgroup/unified/cgroup.subtree_control", O_WRONLY);
  if (control == -1)
    return;
  int i;
  for (i = 0; i < count; i++)
    if (write(control, controllers[i], strlen(controllers[i])) < 0) {
    }
  close(control);
}

static void setup_cgroups()
{
  const char* unified_controllers[] = {"+cpu", "+io", "+pids"};
  const char* net_controllers[] = {"net", "net_prio", "devices", "blkio",
                                   "freezer"};
  const char* cpu_controllers[] = {"cpuset", "cpuacct", "hugetlb", "rlimit",
                                   "memory"};
  if (mkdir("/syzcgroup", 0777)) {
    return;
  }
  mount_cgroups2(unified_controllers,
                 sizeof(unified_controllers) / sizeof(unified_controllers[0]));
  mount_cgroups("/syzcgroup/net", net_controllers,
                sizeof(net_controllers) / sizeof(net_controllers[0]));
  mount_cgroups("/syzcgroup/cpu", cpu_controllers,
                sizeof(cpu_controllers) / sizeof(cpu_controllers[0]));
  write_file("/syzcgroup/cpu/cgroup.clone_children", "1");
  write_file("/syzcgroup/cpu/cpuset.memory_pressure_enabled", "1");
}

static void setup_cgroups_loop()
{
  int pid = getpid();
  char file[128];
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/pids.max", cgroupdir);
  write_file(file, "32");
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
  snprintf(file, sizeof(file), "%s/memory.soft_limit_in_bytes", cgroupdir);
  write_file(file, "%d", 299 << 20);
  snprintf(file, sizeof(file), "%s/memory.limit_in_bytes", cgroupdir);
  write_file(file, "%d", 300 << 20);
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (mkdir(cgroupdir, 0777)) {
  }
  snprintf(file, sizeof(file), "%s/cgroup.procs", cgroupdir);
  write_file(file, "%d", pid);
}

static void setup_cgroups_test()
{
  char cgroupdir[64];
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/unified/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/cpu/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.cpu")) {
  }
  snprintf(cgroupdir, sizeof(cgroupdir), "/syzcgroup/net/syz%llu", procid);
  if (symlink(cgroupdir, "./cgroup.net")) {
  }
}

static void initialize_cgroups()
{
  if (mkdir("./syz-tmp/newroot/syzcgroup", 0700))
    exit(1);
  if (mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700))
    exit(1);
  if (mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700))
    exit(1);
  if (mkdir("./syz-tmp/newroot/syzcgroup/net", 0700))
    exit(1);
  unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
  if (mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL,
            bind_mount_flags, NULL)) {
  }
  if (mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL,
            bind_mount_flags, NULL)) {
  }
  if (mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL,
            bind_mount_flags, NULL)) {
  }
}

static void setup_gadgetfs();
static void setup_binderfs();
static void setup_fusectl();
static void sandbox_common_mount_tmpfs(void)
{
  write_file("/proc/sys/fs/mount-max", "100000");
  if (mkdir("./syz-tmp", 0777))
    exit(1);
  if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot", 0777))
    exit(1);
  if (mkdir("./syz-tmp/newroot/dev", 0700))
    exit(1);
  unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
  if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/proc", 0700))
    exit(1);
  if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/selinux", 0700))
    exit(1);
  const char* selinux_path = "./syz-tmp/newroot/selinux";
  if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) {
    if (errno != ENOENT)
      exit(1);
    if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) &&
        errno != ENOENT)
      exit(1);
  }
  if (mkdir("./syz-tmp/newroot/sys", 0700))
    exit(1);
  if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL))
    exit(1);
  if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/proc/sys/fs/binfmt_misc",
            "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags,
            NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/newroot/syz-inputs", 0700))
    exit(1);
  if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL,
            bind_mount_flags | MS_RDONLY, NULL) &&
      errno != ENOENT)
    exit(1);
  initialize_cgroups();
  if (mkdir("./syz-tmp/pivot", 0777))
    exit(1);
  if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
    if (chdir("./syz-tmp"))
      exit(1);
  } else {
    if (chdir("/"))
      exit(1);
    if (umount2("./pivot", MNT_DETACH))
      exit(1);
  }
  if (chroot("./newroot"))
    exit(1);
  if (chdir("/"))
    exit(1);
  setup_gadgetfs();
  setup_binderfs();
  setup_fusectl();
}

static void setup_gadgetfs()
{
  if (mkdir("/dev/gadgetfs", 0777)) {
  }
  if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) {
  }
}

static void setup_fusectl()
{
  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);
  if (getppid() == 1)
    exit(1);
  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);
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  initialize_tun();
  sandbox_common_mount_tmpfs();
  loop();
  exit(1);
}

#define FS_IOC_SETFLAGS _IOW('f', 2, long)
static void remove_dir(const char* dir)
{
  int iter = 0;
  DIR* dp = 0;
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;

retry:
  while (umount2(dir, umount_flags) == 0) {
  }
  dp = opendir(dir);
  if (dp == NULL) {
    if (errno == EMFILE) {
      exit(1);
    }
    exit(1);
  }
  struct dirent* ep = 0;
  while ((ep = readdir(dp))) {
    if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0)
      continue;
    char filename[FILENAME_MAX];
    snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name);
    while (umount2(filename, umount_flags) == 0) {
    }
    struct stat st;
    if (lstat(filename, &st))
      exit(1);
    if (S_ISDIR(st.st_mode)) {
      remove_dir(filename);
      continue;
    }
    int i;
    for (i = 0;; i++) {
      if (unlink(filename) == 0)
        break;
      if (errno == EPERM) {
        int fd = open(filename, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno != EBUSY || i > 100)
        exit(1);
      if (umount2(filename, umount_flags))
        exit(1);
    }
  }
  closedir(dp);
  for (int i = 0;; i++) {
    if (rmdir(dir) == 0)
      break;
    if (i < 100) {
      if (errno == EPERM) {
        int fd = open(dir, O_RDONLY);
        if (fd != -1) {
          long flags = 0;
          if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) {
          }
          close(fd);
          continue;
        }
      }
      if (errno == EROFS) {
        break;
      }
      if (errno == EBUSY) {
        if (umount2(dir, umount_flags))
          exit(1);
        continue;
      }
      if (errno == ENOTEMPTY) {
        if (iter < 100) {
          iter++;
          goto retry;
        }
      }
    }
    exit(1);
  }
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  for (int i = 0; i < 100; i++) {
    if (waitpid(-1, status, WNOHANG | __WALL) == pid)
      return;
    usleep(1000);
  }
  DIR* dir = opendir("/sys/fs/fuse/connections");
  if (dir) {
    for (;;) {
      struct dirent* ent = readdir(dir);
      if (!ent)
        break;
      if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0)
        continue;
      char abort[300];
      snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort",
               ent->d_name);
      int fd = open(abort, O_WRONLY);
      if (fd == -1) {
        continue;
      }
      if (write(fd, abort, 1) < 0) {
      }
      close(fd);
    }
    closedir(dir);
  } else {
  }
  while (waitpid(-1, status, __WALL) != pid) {
  }
}

static void setup_loop()
{
  setup_cgroups_loop();
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  setup_cgroups_test();
  write_file("/proc/self/oom_score_adj", "1000");
  flush_tun();
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

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

static const char* setup_binfmt_misc()
{
  if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0) &&
      errno != EBUSY) {
    return NULL;
  }
  if (!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"))
    return "write(/proc/sys/fs/binfmt_misc/register) failed";
  return NULL;
}

static void setup_sysctl()
{
  int cad_pid = fork();
  if (cad_pid < 0)
    exit(1);
  if (cad_pid == 0) {
    for (;;)
      sleep(100);
  }
  char tmppid[32];
  snprintf(tmppid, sizeof(tmppid), "%d", cad_pid);
  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", tmppid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data)) {
    }
  }
  kill(cad_pid, SIGKILL);
  while (waitpid(cad_pid, NULL, 0) != cad_pid)
    ;
}

#define NL802154_CMD_SET_SHORT_ADDR 11
#define NL802154_ATTR_IFINDEX 3
#define NL802154_ATTR_SHORT_ADDR 10

static const char* setup_802154()
{
  const char* error = NULL;
  int sock_generic = -1;
  int sock_route = socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
  if (sock_route == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) failed";
    goto fail;
  }
  sock_generic = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (sock_generic == -1) {
    error = "socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) failed";
    goto fail;
  }
  {
    int nl802154_family_id =
        netlink_query_family_id(&nlmsg, sock_generic, "nl802154", true);
    if (nl802154_family_id < 0) {
      error = "netlink_query_family_id failed";
      goto fail;
    }
    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));
      if (netlink_send(&nlmsg, sock_generic) < 0) {
        error = "NL802154_CMD_SET_SHORT_ADDR failed";
        goto fail;
      }
      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));
        if (netlink_send(&nlmsg, sock_route) < 0) {
          error = "netlink: adding device lowpan0 type lowpan link wpan0";
          goto fail;
        }
      }
    }
  }
fail:
  close(sock_route);
  close(sock_generic);
  return error;
}

#define USLEEP_FORKED_CHILD (3 * 50 * 1000)

static long handle_clone_ret(long ret)
{
  if (ret != 0) {
    __atomic_store_n(&clone_ongoing, 0, __ATOMIC_RELAXED);
    return ret;
  }
  usleep(USLEEP_FORKED_CHILD);
  syscall(__NR_exit, 0);
  while (1) {
  }
}

static long syz_clone(volatile long flags, volatile long stack,
                      volatile long stack_len, volatile long ptid,
                      volatile long ctid, volatile long tls)
{
  long sp = (stack + stack_len) & ~15;
  __atomic_store_n(&clone_ongoing, 1, __ATOMIC_RELAXED);
  long ret = (long)syscall(__NR_clone, flags & ~CLONE_VM, sp, ptid, ctid, tls);
  return handle_clone_ret(ret);
}

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

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

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  setup_loop();
  int iter = 0;
  for (;; iter++) {
    char cwdbuf[32];
    sprintf(cwdbuf, "./%d", iter);
    if (mkdir(cwdbuf, 0777))
      exit(1);
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      if (chdir(cwdbuf))
        exit(1);
      setup_test();
      execute_one();
      close_fds();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      sleep_ms(10);
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
    remove_dir(cwdbuf);
  }
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x11 (4 bytes)
  //        ninsn: bytesize8 = 0x8 (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //            union ANYUNION {
  //              ANYBLOB: buffer: {62 0a f8 ff 0c 20 00 21 bf a1 00 00 00 00 00
  //              00 07 01 00 00 f8 ff ff ff b7 02 00 00 03 00 00 00 bd 12 00 00
  //              00 00 00 00 85 00 00 00 06 00 00 00 b7 00 00 00 00 00 00 00 95
  //              00 00 00 00 00 00 00 3f af 4f 1e 7f 2a a3 d9 b1 8e d8 1c 0c 86
  //              9b 51 ec 6c 0a f4 e0 e4 a9 44 6c 76 70 56 89 82 b4 e0 20 f6 98
  //              39 3a a0 f3 88 1f 9c 24 aa 56 f1 51 99 fa d0 09 3c 59 d6 6b 5e
  //              ce 9f 36 c7 0d 0f 13 90 5e a2 3c 22 62 4c 9f 87 f9 79 3f 50 bb
  //              54 60 40 67 7b 0c 50 77 da 80 fb 98 2c 1e 94 00 e6 93 14 6c ea
  //              48 4a 41 5b 76 96 61 18 b6 4f 75 1a 0f 24 1b 07 2e 90 08 00 08
  //              00 2d 75 59 3a 28 6c ec c9 3e 64 c2 27 c9 5a a0 b7 84 62 57 04
  //              f0 7a 72 c2 34 66 4c 0a f9 36 0a 1f 7a 5e 6b 60 71 30 c8 9f 18
  //              c0 c1 08 9d 8b 85 32 89 e0 1a a2 7a e8 b0 9e 00 e7 9a b2 0b 0b
  //              8e 11 48 f4 9f af 2a d0 00 00 00 00 00 00 00 6f a0 3c 64 68 97
  //              20 89 b3 02 d7 bf 60 23 cd ce db 5e 01 25 eb bc 08 de e5 10 cb
  //              23 64 14 92 15 10 83 33 71 9a cd 97 cf a1 07 d4 02 24 ed c5 46
  //              5a 93 2b 77 e7 4e 80 2a 0d 42 bc 60 99 ad 23 00 00 00 80 00 6e
  //              f6 c1 ff 09 00 00 00 00 00 00 10 c6 3a 94 9e 8b 79 55 39 4f fa
  //              82 b8 e9 42 c8 91 12 f4 ab 87 b1 bf ed a7 be 58 66 02 d9 85 43
  //              0c ea 01 62 ab 3f cf 45 91 c9 26 ab fb 07 67 19 23 02 00 00 00
  //              b0 ee a2 44 92 a6 60 58 3e ec b4 2c bc d3 de 3a 83 20 9d a1 7a
  //              0f af 60 fd 6a d9 b9 7a a5 fa 68 48 03 66 c9 c6 fd 6f a5 04 3a
  //              a3 92 6b 81 e3 b5 9c 95 c2 5a 57 3d c2 ed 03 00 00 00 00 00 00
  //              00 af 99 43 14 12 fd 13 4a 99 63 82 a1 a0 4d 5b b9 24 cf e5 f3
  //              18 54 18 d6 05 ff ff 9c 4d 2e c7 c3 2f 20 95 e6 3c 80 af f9 fa
  //              74 0b 5b 76 32 f3 20 30 91 6f 89 c6 da d7 60 3f 2b a2 a7 90 d6
  //              2d 6f ae c2 fe d4 4d a4 92 8b 30 14 2b a1 1d e6 c5 d5 0b 83 ba
  //              e6 13 40 22 16 b5 05 4d 1e 7c 13 b1 35 5d 6f 4a 82 45 ff a4 99
  //              7d a9 c7 7a f4 c0 eb 97 fc a5 85 ec 6b f5 83 51 d5 64 be b6 d9
  //              52 aa b9 c7 07 64 b0 a8 a7 58 3c 90 b3 43 3b 80 9b db 9f bd 48
  //              bc 87 34 95 cb ff 8a 32 6e ea 31 ae 4e 0f 75 05 eb f6 c9 d1 33
  //              30 ca 00 5a ce 1a 84 52 1f 14 00 8c 9b 47 6f cc bd 6c 71 20 16
  //              21 98 48 62 4b 87 ce c2 db e9 82 23 a0 eb 4f a3 9f 6b 5c 02 e6
  //              d6 d9 07 56 ff 57 90 2a 8f 57 00 00 00 00 97 00 cf 0b 4b 8b c2
  //              29 41 33 00 00 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 00
  //              00 00 00 00 00 10 00 8b c0 d9 55 97 11 e6 e8 86 1c 46 49 5b a5
  //              85 a4 b2 d0 2e dc 3e 28 dd 27 1c 89 62 49 ed 85 b9 80 68 0b 00
  //              00 2b 43 5a c1 5f c0 28 8d 9b 2a 16 9c dc ac c4 13 03 8d af b7
  //              a2 c8 cb 48 2b ac 0a c5 02 d9 ba 96 ff ff ff 7f 00 00 10 00 00
  //              00 6d a2 1b 40 21 6e 14 ba 2d 6a d5 65 6b ff f1 7a dd ae da b2
  //              5b 30 00 2a bb ba 7f a7 25 f3 84 00 be 7c 1f 00 1b 2c d3 17 90
  //              2f 19 e3 85 be 9e 48 dc cf f7 29 43 32 82 83 06 89 da 6b 53 b2
  //              63 33 98 63 29 77 71 42 9d 12 00 00 00 33 41 bf 4a ba ca c9 59
  //              00 fc a0 49 3c f2 9b 33 dc c9 ff ff ff ff ff ff ff d3 9f ec 22
  //              71 ff 01 58 96 46 ef d1 cf 87 0c d7 bb 23 66 fd e4 1f 94 29 0c
  //              2a 5f f8 70 ce 41 fd 34 67 de cb 05 cf d9 fc b3 2c 8e d1 db d9
  //              d1 0a 64 c1 08 3d 5e 71 b5 56 5b 17 68 ee 58 96 9c 41 59 b3 64
  //              a4 fd 70 13 f3 4d b1 73 a4 fd ac f1 52 29 df 17 bc ad 70 fb 40
  //              21 42 8c e9 70 27 5d 13 b7 81 00 78 8f 11 f7 61 61 d4 6e a3 ab
  //              60 fa 4d 30 dc 94 ef 24 18 75 f3 b4 ce 02 32 fc ea 69 c2 71 d7
  //              fa 29 82 2a ea 68 a6 60 e7 17 a0 4b ec ff 0f 71 91 97 72 4f 4f
  //              ce 10 93 b6 2d 7e 8c 71 23 d8 ec 57 1b e5 4c 72 d9 78 cf 90 6d
  //              f0 04 2e 36 ac d3 7d 7f 9e 11 9f 2c 06 f8 15 31 2e 0c fe 22 2a
  //              06 f5 6d d0 22 c0 74 eb 8a 32 2f b0 bf 47 c0 a8 d1 54 b4 05 c3
  //              7f ea f3 dd 95 f6 ef 2a e5 82 78 61 05 c7 df 8b e5 87 70 50 c9
  //              13 01 bb 99 73 16 db f1 78 66 fb 84 d4 17 37 31 ef e8 95 ff 2e
  //              1c 55 60 92 6e 90 10 9b 59 85 02 d3 e9 59 ef c7 1f 66 5c 4d 75
  //              cf 24 58 e3 54 6c 1c 77 6d a6 4f b5 ab ee 0a cf d2 35 f2 f4 63
  //              2c 90 62 ec e8 4c 99 a0 61 88 7a 20 63 9b 41 c8 c1 2e e8 6c 50
  //              80 40 42 b3 fb 5a ac 51 8a 75 f9 e7 d7 10 1d 5e 18 6c 48 9b 3a
  //              06 fb 99 e0 aa 7f 23 a0 54 de 2f 4d 92 d6 bd 72 ee 2c 9f dc 75
  //              aa af 1e 3e 48 3b 4a d0 55 73 af 40 32 69 93 94 7d 9a 63 1b cb
  //              f3 58 37 84 ac bd a2 16 55 0d 7a ec 6b 79 e3 0c bd 12 8f 54 c2
  //              d3 33 54 57 ac f3 73 31 76 6e 47 23 91 e3 58 c3 b3 77 32 7a c9
  //              ec c3 4f 24 c9 ae 15 3e c6 0a c0 69 4d c5 5b ff 9f 5f 45 f9 04
  //              00 00 00 00 00 00 00 d6 b2 c5 ea 13 93 fd f2 42 85 bf 16 b9 9c
  //              9c c0 ad 18 57 21 6f 1a 98 5f 36 91 91 ae 95 4f eb b3 df 46 4b
  //              fe 0f 7f 3e e9 af e7 be fb 89 d2 77 73 99 f5 87 4c 55 3a eb 37
  //              29 cf fe 86 e6 69 64 ae 09 bb 6d 16 31 18 e4 cb e0 24 fd 45 00
  //              f8 ff 07 00 00 00 00 cc 9d 80 46 c2 16 c1 f8 95 77 8c b2 51 22
  //              a2 a9 f9 b4 44 ae ad ea 2a 40 da 8d ac cf 08 08 42 a4 86 72 17
  //              37 39 0c bf 3a 74 cb 20 03 01 6f 15 14 21 6b df 57 d2 a4 0d 40
  //              b5 1a b6 3e 96 ec 84 85 b3 b8 a8 c9 ae 3d 14 f9 31 00 c2 e0 89
  //              38 62 ee f5 52 fc de 29 81 f4 8c 48 2b de 8a 16 8c 3f 5d b2 fe
  //              a6 f2 6e 4a 43 04 e5 0c 34 9f 4f 9e ce e2 7d ef c9 38 71 c5 f9
  //              9b 35 5b 72 d5 38 ba 49 78 ea 8e 4a a3 70 14 19 1e 10 09 6e 7e
  //              60 fc 35 41 a2 c9 05 a1 a9 5e 95 71 bf 38 ae 19 81 c4 23 8e ca
  //              ee 6f 75 cd 0a 68 81 bd 15 17 a8 25 0d dc 86 74 15 2f 94 e3 a4
  //              09 e2 a3 bc e1 09 b6 00 00 00 00 00 00 00 00 d6 d5 21 0d 75 03
  //              00 00 00 a8 7a 27 60 2b 81 f7 63 86 f1 53 5b ef 14 97 f9 21 86
  //              08 6e 29 c6 bc 5a 1f ad 6e c9 a3 11 37 ab f9 a4 04 ab de 77 50
  //              89 8b 1b d6 27 e8 73 f8 70 3b e8 67 a2 8f 09 c5 87 7f c2 35 5e
  //              cd c9 c3 0d cb 2d 70 d1 ab 57 07 52 28 a9 f4 6e d9 bd 1f 08 fb
  //              81 91 bb ab 2d c5 1d e3 a6 1f 08 68 af c4 29 48 59 32 3e 6c 25
  //              7a 45 31 9f 18 10 12 88 d1 39 bd 3d a2 0f ed 05 a8 fe 64 68 0b
  //              0a 3f c2 2d d7 04 00 00 00 00 94 69 12 d6 c9 8c d1 a9 fb e1 e7
  //              d5 8c 08 ac af 30 23 5b 91 8a 31 d2 ec a5 5f 74 a2 36 41 f6 1f
  //              2d 5b 30 8c f0 d0 31 b0 00 95 56 23 7b ad f4 e7 96 5b be 27 77
  //              e8 08 fc ba 82 1a a8 e8 c5 c3 96 09 ff 85 43 52 cb 49 00 00 00
  //              00 00 00 00 00 00 00 00 00 00 c1 fe e3 0a 3f 7a 85 d1 b2 9e 58
  //              c7 76 85 ef c0 ce b1 c8 e5 72 9c 66 41 8d 16 9f c0 3a a1 88 54
  //              6b 3a d2 a1 82 06 8e 1e 3a 0e 25 05 bc 7f 41 01 96 45 46 6a 53
  //              f1 c9 6e 0d 4b 3b c1 9f aa 54 49 20 9b 08 3d bd 33 4b 47 f0 67
  //              bb ab 40 74 3b 2a 42 01 00 82 00 8d f7 5c f4 3f 8e cc 8d 37 26
  //              60 21 11 b4 0e 76 1f d2 10 81 92 03 82 f1 4d 12 ca 3c 34 31 ee
  //              97 47 1c 78 68 dc da 7e aa 69 eb 7f 7f 80 57 2f dd 11 bb 1d 0d
  //              12 80 fb c2 2b f7 34 68 78 8d f5 17 10 d7 d3 1c 63 2f c5 ed 17
  //              62 eb 0b 42 8e e7 51 c4 7d 8e 89 4f 74 5a 86 84 04 a0 bf 35 f0
  //              12 10 08 b7 22 b1 ea a6 ae df a1 bf 2e 7c cb 2d 61 d5 d7 22 6b
  //              bd 9c cd 62 8a b8 48 75 f2 c5 0b a8 91 ce a5 92 b0 43 0a 53 7a
  //              39 5d c7 3b da 36 7b f1 2c b7 d8 16 91 a5 fe 8c 47 be 39 56 56
  //              a2 97 e9 df 0e 71 f9 67 56 ea 5c ce 7d aa c4 be 29 01 59 f6 bc
  //              d7 5f 0d da 9d e5 53 2e 71 ae 9e 48 b0 ed 02 54 a8 31 00 00 00
  //              00 f6 fb b8 69 60 4d 51 a3 6a 54 c8 32 e4 5b 25 69 dc 0d 90 b0
  //              75 22 5f de 44 c4 e0 97 31 71 ad 47 d6 b0 fd f9 74 3a f9 32 cd
  //              6d b4 9a 47 61 38 08 ba d9 59 71 03 00 00 00 00 00 00 00 83 2d
  //              0a 45 fa 42 42 e2 4c 7e 80 00 03 c9 e8 09 5e 02 98 5f 28 e6 78
  //              f6 64 22 43 6f 94 9e 2a b8 f1 62 d7 e3 f8 55 e3 78 f4 a1 f4 0b
  //              0c 6f b2 d4 b2 05 a8 00 b6 d7 13 ac eb c5 b0 14 e6 1a 54 3a 5a
  //              19 4f 9a c1 8d 76 b5 44 0e 3b 1a 56 9e 73 97 f6 ca fa 86 96 6d
  //              7b a1 9e 72 04 13 26 7a 6c ce a9 c4 39 67 1d 2c 68 0f 27 53 ca
  //              18 4e ee b8 43 45 03 68 ac b4 38 3a 01 d2 5e b3 d1 e2 3e 0f 26
  //              45 d1 cd fa 9f a4 10 63 2f 95 a5 f6 22 f8 51 c6 6e e7 e3 03 93
  //              cd 7a 4d 67 ff 3a 49 c4 f9 3c 09 84 b5 c2 d4 52 34 97 e4 d6 4f
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  //              ce 45 fe eb 68 5c 58 70 d0 5f 88 a0 f4 63 db 88 d3 77 44 2e 13
  //              49 ac af 76 62 18 b5 4a 9d 62 47 78 e1 c4 e0 64 c9 8e 49 41 98
  //              27 6e b2 df 77 66 41 1b ef 0e bb 50 00 00 00 00 00 60 65 d6 35
  //              b0 b7 a0 0e e7 67 22 1d 8a f9 75 33 87 e0 cd 8d 71 8f 54 a2 9d
  //              f6 eb a3 bd 4c 44 0e 6e 21 72 e3 fc c0 1b 8b ab b3 57 b5 c5 92
  //              17 b8 0d 0d b3 ba 58 28 14 a6 04 e4 ef 7a 80 3e 9c a7 c8 5b 35
  //              c9 b9 3a 9e 08 85 e2 38 b4 4a e1 c2 e6 4c ce 3b 27 08 3b 82 46
  //              82 9e 64 05 60 00 30 2b ff ff 15 40 5b d5 f2 eb a2 00 00 00 00
  //              00 00 00 00 00 00 00 00 00 00 00 00 00 00 9a 98 23 fd 8f bc 5a
  //              a1 65 09 9c 5e d0 32 b4 8e a1 2d 8e 05 88 dc 52 70 2e 40 84 91
  //              3a 06 d4 68 d0 92 8b ad 76 d6 97 e1 f8 5a b0 30 e7 88 d3 87 88
  //              ee 5b 54 28 d4 a9 71 cc 97 db 9f d2 31 08 8e 57 07 35 ce 12 9e
  //              7e 77 fc 27 77 69 26 64 a1 48 8f d8 d6 df f4 da d6 18 fd 54 f5
  //              29 d4 55 5c 65 07 00 9e e6 9d d1 bc 55 25 87 89 b2 40 52 13 7e
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  //              c4 95 46 f6 e8 a9 17 5e c6 f1 4d bf 72 ca c9 16 43 b2 fd 99 c2
  //              9e ca 28 a3 c2 e6 0d 5e 5b 87 95 fa e1 6a 7c 3e a5 7e 72 8e ca
  //              35 ea f0 15 5a 39 f9 75 80 e0 79 17 54 26 c0 88 a0 20 80 40 98
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  //              51 06 7d 5d 67 5d 71 22 36 1c 37 c6 1a 43 b5 af d8 65 b6 0d 4c
  //              ae 89 1b 73 22 0f 17 d2 59 85 a7 f7 68 34 99 5e 53 a9 3a 1c 7b
  //              9e ef 26 7d f6 91 ca 98 3a 0b 15 bd a7 f6 c5 c1 ca 7a a5 02 65
  //              a3 08 9a 1e bf 07 34 c9 b0 7e 89 51 ff 02 32 63 ad 5a ed 8c fb
  //              49 b4 9e 12 8c 69 77 24 c0 57 d2 2c 5d f5 ae f2 7c e3 db 11 d5
  //              ad 55 27 d1 49 d0 76 e1 a8 7e 2d f2 7c 0c b8 a6 7a d0 26 bf 95
  //              3e 88 f1 04 47 e1 25 c2 c0 f1 ae be e1 f3 39 0a 9e 3d da d4 e2
  //              a6 e0 f6 e4 56 9f de fa 19 e8 70 e0 4a cf 94 93 b9 63 f9 8e 23
  //              cf c6 65 e4 f4 65 fa 3f 80 1e 19 57 c3 99 e4 5f 61 d3 45 9b 1c
  //              60 62 04 36 8b b9 31 34 5a f2 82 3c 48 7d 2f d9 9d b6 ea 6e 00
  //              8e 7f fa 06 ca 86 15 51 18 9d 15 5b d0 77 a7 9f e2 c7 e9 61 35
  //              2e 56 82 4f 72 7d 21 d4 1e ae 78 bf ec 4a 2d 7a 7e db c8 ef 95
  //              8c 5e a5 99 f7 c2 5b f7 1c 23 40 55 8a a1 2f dd 24 a8 8a aa d5
  //              92 1a ee 7d ae 6a 2f 30 09 d9 cb 43 ab 48 98 d0 f0 aa 56 54 31
  //              b6 ab e5 85 d7 5d b0 4d 1c 9b a0 b9 de 4a e8 b0 d3 13 2b c6 81
  //              0c c9 a6 93 97 9f 55 17 4a 72 e1 df 9f de f3 5b c4 70 f9 e6 e5
  //              91 98 27 57 f4 5c 52 c6 45 d8 91 bf 63 bb 21 fb 66 92 6e be 1a
  //              85 25 61 1f c3 e8 bb 87 95 c3 6d c2 a8 6b 5a b4 6f f3 3c c7 4f
  //              61 75 1b 2d ae 92 67 6d b8 5c 8d 0c 72 1b 7e a4 54 4b f5 1c 95
  //              c8 6f ca c1 f4 34 d0 9d 1e e4 92 8a af e2 3d e6 6f ed 97 2e 0d
  //              dd fb 33 f6 4e 48 70 1b 04 92 39 e7 f5 52 d8 16 44 1d 11 c4 c2
  //              64 7c 01 44 62 34 43 59 19 8d 97 c4 b6 e9 ed 31 ca 18 98 7b 64
  //              de 07 9b 2b ed 64 1e 8a 92 f1 3c a7 08 44 c6 5c b4 23 d0 19 50
  //              b0 eb f4 4b d2 8e 09 c0 5d 9a e5 dd 68 9f b8 80 fb 18 d0 42 21
  //              9f 5a c6 0c 3a 03 b0 85 ab f3 e8 e3 ef c8 42 a8 d3 28 73 34 61
  //              f0 4c 99 60 70 61 c6 5e d1 4c 61 32 2a 5a c2 d3 71 a9 5b 8a d8
  //              67 85 7e d1 3a 4f a4 ae 03 3a 09 67 38 66 cd 77 f4 bc da aa 05
  //              20 71 66 b1 9a 87 58 d8 85 54 00 d8 c6 a7 24 2d c2 07 25 1e 87
  //              97 ec a2 4e a4 f4 87 66 3e 60 f2 f5 e1 f1 42 49 58 fd 14 8f 84
  //              68 30 e8 8a 42 d9 a0 e0 6d a2 00 48 1c de 8b f4 75 bc 3e 1f e9
  //              c0 b4 a4 a2 68 92 17 38 93 8a a9 f3 cb 38 11 ac 87 c5 4c 8e bc
  //              8b cf b4 61 3c c3 a9 97 ff 15 79 ed bd 4a de 80 20 e3 ad 00 1b
  //              07 2b 1a 75 1b 58 8a c4 63 9f 35 a5 8e 00 a5 0c 02 70 60 8c 7a
  //              7f 10 13 2b 1c 25 b9 ea 81 23 2f be f6 65 f6 21 2f 87 5b 2a 00
  //              00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //              00 00 00 00 00} (length 0xe06)
  //            }
  //          }
  //        }
  //        license: ptr[in, buffer] {
  //          buffer: {47 50 4c 00} (length 0x4)
  //        }
  //        loglev: int32 = 0x0 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x0 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          fallback: bpf_attach_types = 0x0 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x8 (4 bytes)
  //        func_info: ptr[in, bpf_func_info] {
  //          bpf_func_info {
  //            insn_off: int32 = 0x0 (4 bytes)
  //            type_id: int32 = 0x0 (4 bytes)
  //          }
  //        }
  //        func_info_cnt: len = 0x8 (4 bytes)
  //        line_info_rec_size: const = 0x10 (4 bytes)
  //        line_info: ptr[in, bpf_line_info] {
  //          bpf_line_info {
  //            insn_off: int32 = 0x0 (4 bytes)
  //            file_name_off: int32 = 0x0 (4 bytes)
  //            line_off: int32 = 0x0 (4 bytes)
  //            line_col: int32 = 0x0 (4 bytes)
  //          }
  //        }
  //        line_info_cnt: len = 0x10 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0x5 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x10 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x2e (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  NONFAILING(*(uint32_t*)0x200000000080 = 0x11);
  NONFAILING(*(uint32_t*)0x200000000084 = 8);
  NONFAILING(*(uint64_t*)0x200000000088 = 0x200000001c40);
  NONFAILING(memcpy(
      (void*)0x200000001c40,
      "\x62\x0a\xf8\xff\x0c\x20\x00\x21\xbf\xa1\x00\x00\x00\x00\x00\x00\x07\x01"
      "\x00\x00\xf8\xff\xff\xff\xb7\x02\x00\x00\x03\x00\x00\x00\xbd\x12\x00\x00"
      "\x00\x00\x00\x00\x85\x00\x00\x00\x06\x00\x00\x00\xb7\x00\x00\x00\x00\x00"
      "\x00\x00\x95\x00\x00\x00\x00\x00\x00\x00\x3f\xaf\x4f\x1e\x7f\x2a\xa3\xd9"
      "\xb1\x8e\xd8\x1c\x0c\x86\x9b\x51\xec\x6c\x0a\xf4\xe0\xe4\xa9\x44\x6c\x76"
      "\x70\x56\x89\x82\xb4\xe0\x20\xf6\x98\x39\x3a\xa0\xf3\x88\x1f\x9c\x24\xaa"
      "\x56\xf1\x51\x99\xfa\xd0\x09\x3c\x59\xd6\x6b\x5e\xce\x9f\x36\xc7\x0d\x0f"
      "\x13\x90\x5e\xa2\x3c\x22\x62\x4c\x9f\x87\xf9\x79\x3f\x50\xbb\x54\x60\x40"
      "\x67\x7b\x0c\x50\x77\xda\x80\xfb\x98\x2c\x1e\x94\x00\xe6\x93\x14\x6c\xea"
      "\x48\x4a\x41\x5b\x76\x96\x61\x18\xb6\x4f\x75\x1a\x0f\x24\x1b\x07\x2e\x90"
      "\x08\x00\x08\x00\x2d\x75\x59\x3a\x28\x6c\xec\xc9\x3e\x64\xc2\x27\xc9\x5a"
      "\xa0\xb7\x84\x62\x57\x04\xf0\x7a\x72\xc2\x34\x66\x4c\x0a\xf9\x36\x0a\x1f"
      "\x7a\x5e\x6b\x60\x71\x30\xc8\x9f\x18\xc0\xc1\x08\x9d\x8b\x85\x32\x89\xe0"
      "\x1a\xa2\x7a\xe8\xb0\x9e\x00\xe7\x9a\xb2\x0b\x0b\x8e\x11\x48\xf4\x9f\xaf"
      "\x2a\xd0\x00\x00\x00\x00\x00\x00\x00\x6f\xa0\x3c\x64\x68\x97\x20\x89\xb3"
      "\x02\xd7\xbf\x60\x23\xcd\xce\xdb\x5e\x01\x25\xeb\xbc\x08\xde\xe5\x10\xcb"
      "\x23\x64\x14\x92\x15\x10\x83\x33\x71\x9a\xcd\x97\xcf\xa1\x07\xd4\x02\x24"
      "\xed\xc5\x46\x5a\x93\x2b\x77\xe7\x4e\x80\x2a\x0d\x42\xbc\x60\x99\xad\x23"
      "\x00\x00\x00\x80\x00\x6e\xf6\xc1\xff\x09\x00\x00\x00\x00\x00\x00\x10\xc6"
      "\x3a\x94\x9e\x8b\x79\x55\x39\x4f\xfa\x82\xb8\xe9\x42\xc8\x91\x12\xf4\xab"
      "\x87\xb1\xbf\xed\xa7\xbe\x58\x66\x02\xd9\x85\x43\x0c\xea\x01\x62\xab\x3f"
      "\xcf\x45\x91\xc9\x26\xab\xfb\x07\x67\x19\x23\x02\x00\x00\x00\xb0\xee\xa2"
      "\x44\x92\xa6\x60\x58\x3e\xec\xb4\x2c\xbc\xd3\xde\x3a\x83\x20\x9d\xa1\x7a"
      "\x0f\xaf\x60\xfd\x6a\xd9\xb9\x7a\xa5\xfa\x68\x48\x03\x66\xc9\xc6\xfd\x6f"
      "\xa5\x04\x3a\xa3\x92\x6b\x81\xe3\xb5\x9c\x95\xc2\x5a\x57\x3d\xc2\xed\x03"
      "\x00\x00\x00\x00\x00\x00\x00\xaf\x99\x43\x14\x12\xfd\x13\x4a\x99\x63\x82"
      "\xa1\xa0\x4d\x5b\xb9\x24\xcf\xe5\xf3\x18\x54\x18\xd6\x05\xff\xff\x9c\x4d"
      "\x2e\xc7\xc3\x2f\x20\x95\xe6\x3c\x80\xaf\xf9\xfa\x74\x0b\x5b\x76\x32\xf3"
      "\x20\x30\x91\x6f\x89\xc6\xda\xd7\x60\x3f\x2b\xa2\xa7\x90\xd6\x2d\x6f\xae"
      "\xc2\xfe\xd4\x4d\xa4\x92\x8b\x30\x14\x2b\xa1\x1d\xe6\xc5\xd5\x0b\x83\xba"
      "\xe6\x13\x40\x22\x16\xb5\x05\x4d\x1e\x7c\x13\xb1\x35\x5d\x6f\x4a\x82\x45"
      "\xff\xa4\x99\x7d\xa9\xc7\x7a\xf4\xc0\xeb\x97\xfc\xa5\x85\xec\x6b\xf5\x83"
      "\x51\xd5\x64\xbe\xb6\xd9\x52\xaa\xb9\xc7\x07\x64\xb0\xa8\xa7\x58\x3c\x90"
      "\xb3\x43\x3b\x80\x9b\xdb\x9f\xbd\x48\xbc\x87\x34\x95\xcb\xff\x8a\x32\x6e"
      "\xea\x31\xae\x4e\x0f\x75\x05\xeb\xf6\xc9\xd1\x33\x30\xca\x00\x5a\xce\x1a"
      "\x84\x52\x1f\x14\x00\x8c\x9b\x47\x6f\xcc\xbd\x6c\x71\x20\x16\x21\x98\x48"
      "\x62\x4b\x87\xce\xc2\xdb\xe9\x82\x23\xa0\xeb\x4f\xa3\x9f\x6b\x5c\x02\xe6"
      "\xd6\xd9\x07\x56\xff\x57\x90\x2a\x8f\x57\x00\x00\x00\x00\x97\x00\xcf\x0b"
      "\x4b\x8b\xc2\x29\x41\x33\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x8b\xc0\xd9\x55\x97"
      "\x11\xe6\xe8\x86\x1c\x46\x49\x5b\xa5\x85\xa4\xb2\xd0\x2e\xdc\x3e\x28\xdd"
      "\x27\x1c\x89\x62\x49\xed\x85\xb9\x80\x68\x0b\x00\x00\x2b\x43\x5a\xc1\x5f"
      "\xc0\x28\x8d\x9b\x2a\x16\x9c\xdc\xac\xc4\x13\x03\x8d\xaf\xb7\xa2\xc8\xcb"
      "\x48\x2b\xac\x0a\xc5\x02\xd9\xba\x96\xff\xff\xff\x7f\x00\x00\x10\x00\x00"
      "\x00\x6d\xa2\x1b\x40\x21\x6e\x14\xba\x2d\x6a\xd5\x65\x6b\xff\xf1\x7a\xdd"
      "\xae\xda\xb2\x5b\x30\x00\x2a\xbb\xba\x7f\xa7\x25\xf3\x84\x00\xbe\x7c\x1f"
      "\x00\x1b\x2c\xd3\x17\x90\x2f\x19\xe3\x85\xbe\x9e\x48\xdc\xcf\xf7\x29\x43"
      "\x32\x82\x83\x06\x89\xda\x6b\x53\xb2\x63\x33\x98\x63\x29\x77\x71\x42\x9d"
      "\x12\x00\x00\x00\x33\x41\xbf\x4a\xba\xca\xc9\x59\x00\xfc\xa0\x49\x3c\xf2"
      "\x9b\x33\xdc\xc9\xff\xff\xff\xff\xff\xff\xff\xd3\x9f\xec\x22\x71\xff\x01"
      "\x58\x96\x46\xef\xd1\xcf\x87\x0c\xd7\xbb\x23\x66\xfd\xe4\x1f\x94\x29\x0c"
      "\x2a\x5f\xf8\x70\xce\x41\xfd\x34\x67\xde\xcb\x05\xcf\xd9\xfc\xb3\x2c\x8e"
      "\xd1\xdb\xd9\xd1\x0a\x64\xc1\x08\x3d\x5e\x71\xb5\x56\x5b\x17\x68\xee\x58"
      "\x96\x9c\x41\x59\xb3\x64\xa4\xfd\x70\x13\xf3\x4d\xb1\x73\xa4\xfd\xac\xf1"
      "\x52\x29\xdf\x17\xbc\xad\x70\xfb\x40\x21\x42\x8c\xe9\x70\x27\x5d\x13\xb7"
      "\x81\x00\x78\x8f\x11\xf7\x61\x61\xd4\x6e\xa3\xab\x60\xfa\x4d\x30\xdc\x94"
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      "\x2a\xea\x68\xa6\x60\xe7\x17\xa0\x4b\xec\xff\x0f\x71\x91\x97\x72\x4f\x4f"
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      "\x80\xfb\x18\xd0\x42\x21\x9f\x5a\xc6\x0c\x3a\x03\xb0\x85\xab\xf3\xe8\xe3"
      "\xef\xc8\x42\xa8\xd3\x28\x73\x34\x61\xf0\x4c\x99\x60\x70\x61\xc6\x5e\xd1"
      "\x4c\x61\x32\x2a\x5a\xc2\xd3\x71\xa9\x5b\x8a\xd8\x67\x85\x7e\xd1\x3a\x4f"
      "\xa4\xae\x03\x3a\x09\x67\x38\x66\xcd\x77\xf4\xbc\xda\xaa\x05\x20\x71\x66"
      "\xb1\x9a\x87\x58\xd8\x85\x54\x00\xd8\xc6\xa7\x24\x2d\xc2\x07\x25\x1e\x87"
      "\x97\xec\xa2\x4e\xa4\xf4\x87\x66\x3e\x60\xf2\xf5\xe1\xf1\x42\x49\x58\xfd"
      "\x14\x8f\x84\x68\x30\xe8\x8a\x42\xd9\xa0\xe0\x6d\xa2\x00\x48\x1c\xde\x8b"
      "\xf4\x75\xbc\x3e\x1f\xe9\xc0\xb4\xa4\xa2\x68\x92\x17\x38\x93\x8a\xa9\xf3"
      "\xcb\x38\x11\xac\x87\xc5\x4c\x8e\xbc\x8b\xcf\xb4\x61\x3c\xc3\xa9\x97\xff"
      "\x15\x79\xed\xbd\x4a\xde\x80\x20\xe3\xad\x00\x1b\x07\x2b\x1a\x75\x1b\x58"
      "\x8a\xc4\x63\x9f\x35\xa5\x8e\x00\xa5\x0c\x02\x70\x60\x8c\x7a\x7f\x10\x13"
      "\x2b\x1c\x25\xb9\xea\x81\x23\x2f\xbe\xf6\x65\xf6\x21\x2f\x87\x5b\x2a\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00",
      3590));
  NONFAILING(*(uint64_t*)0x200000000090 = 0x200000000380);
  NONFAILING(memcpy((void*)0x200000000380, "GPL\000", 4));
  NONFAILING(*(uint32_t*)0x200000000098 = 0);
  NONFAILING(*(uint32_t*)0x20000000009c = 0);
  NONFAILING(*(uint64_t*)0x2000000000a0 = 0);
  NONFAILING(*(uint32_t*)0x2000000000a8 = 0);
  NONFAILING(*(uint32_t*)0x2000000000ac = 0);
  NONFAILING(memset((void*)0x2000000000b0, 0, 16));
  NONFAILING(*(uint32_t*)0x2000000000c0 = 0);
  NONFAILING(*(uint32_t*)0x2000000000c4 = 0);
  NONFAILING(*(uint32_t*)0x2000000000c8 = -1);
  NONFAILING(*(uint32_t*)0x2000000000cc = 8);
  NONFAILING(*(uint64_t*)0x2000000000d0 = 0x200000000000);
  NONFAILING(*(uint32_t*)0x200000000000 = 0);
  NONFAILING(*(uint32_t*)0x200000000004 = 0);
  NONFAILING(*(uint32_t*)0x2000000000d8 = 8);
  NONFAILING(*(uint32_t*)0x2000000000dc = 0x10);
  NONFAILING(*(uint64_t*)0x2000000000e0 = 0x200000000000);
  NONFAILING(*(uint32_t*)0x200000000000 = 0);
  NONFAILING(*(uint32_t*)0x200000000004 = 0);
  NONFAILING(*(uint32_t*)0x200000000008 = 0);
  NONFAILING(*(uint32_t*)0x20000000000c = 0);
  NONFAILING(*(uint32_t*)0x2000000000e8 = 0x10);
  NONFAILING(*(uint32_t*)0x2000000000ec = 0);
  NONFAILING(*(uint32_t*)0x2000000000f0 = -1);
  NONFAILING(*(uint32_t*)0x2000000000f4 = 5);
  NONFAILING(*(uint64_t*)0x2000000000f8 = 0);
  NONFAILING(*(uint64_t*)0x200000000100 = 0);
  NONFAILING(*(uint32_t*)0x200000000108 = 0x10);
  NONFAILING(*(uint32_t*)0x20000000010c = 0);
  NONFAILING(*(uint32_t*)0x200000000110 = 0);
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000080ul, /*size=*/0x2eul);
  if (res != -1)
    r[0] = res;
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {72 63 75 5f 75 74 69 6c 69 7a 61 74 69 6f 6e 00} (length
  //          0x10)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_perf_base
  NONFAILING(*(uint64_t*)0x200000000180 = 0x200000000540);
  NONFAILING(memcpy((void*)0x200000000540, "rcu_utilization\000", 16));
  NONFAILING(*(uint32_t*)0x200000000188 = r[0]);
  NONFAILING(*(uint32_t*)0x20000000018c = 0);
  NONFAILING(*(uint64_t*)0x200000000190 = 0);
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000180ul, /*size=*/0x10ul);
  for (int i = 0; i < 64; i++) {
    syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000180ul,
            /*size=*/0x10ul);
  }
  //  prlimit64 arguments: [
  //    pid: pid (resource)
  //    res: rlimit_type = 0xe (8 bytes)
  //    new: nil
  //    old: nil
  //  ]
  syscall(__NR_prlimit64, /*pid=*/0, /*res=RLIMIT_RTPRIO*/ 0xeul, /*new=*/0ul,
          /*old=*/0ul);
  //  prctl$PR_SCHED_CORE arguments: [
  //    option: const = 0x3e (8 bytes)
  //    cmd: intptr = 0x1 (8 bytes)
  //    pid: pid (resource)
  //    type: pid_type = 0x0 (8 bytes)
  //    uaddr: nil
  //  ]
  syscall(__NR_prctl, /*option=*/0x3eul, /*cmd=*/1ul, /*pid=*/0, /*type=*/0ul,
          /*uaddr=*/0ul);
  //  socketpair$unix arguments: [
  //    domain: const = 0x1 (8 bytes)
  //    type: unix_socket_type = 0x2 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //    fds: ptr[out, unix_pair] {
  //      unix_pair {
  //        fd0: sock_unix (resource)
  //        fd1: sock_unix (resource)
  //      }
  //    }
  //  ]
  syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0,
          /*fds=*/0x200000000200ul);
  //  epoll_create1 arguments: [
  //    flags: epoll_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_epoll
  res = syscall(__NR_epoll_create1, /*flags=*/0ul);
  if (res != -1)
    r[1] = res;
  //  sendmmsg$unix arguments: [
  //    fd: sock_unix (resource)
  //    mmsg: nil
  //    vlen: len = 0x0 (8 bytes)
  //    f: send_flags = 0x0 (8 bytes)
  //  ]
  syscall(__NR_sendmmsg, /*fd=*/(intptr_t)-1, /*mmsg=*/0ul, /*vlen=*/0ul,
          /*f=*/0ul);
  //  epoll_ctl$EPOLL_CTL_ADD arguments: [
  //    epfd: fd_epoll (resource)
  //    op: const = 0x1 (8 bytes)
  //    fd: fd (resource)
  //    ev: nil
  //  ]
  syscall(__NR_epoll_ctl, /*epfd=*/(intptr_t)-1, /*op=*/1ul, /*fd=*/r[1],
          /*ev=*/0ul);
  //  ppoll arguments: [
  //    fds: nil
  //    nfds: len = 0x0 (8 bytes)
  //    tsp: nil
  //    sigmask: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  syscall(__NR_ppoll, /*fds=*/0ul, /*nfds=*/0ul, /*tsp=*/0ul, /*sigmask=*/0ul,
          /*size=*/0ul);
  //  mkdirat arguments: [
  //    fd: fd_dir (resource)
  //    path: nil
  //    mode: open_mode = 0x0 (8 bytes)
  //  ]
  syscall(__NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0ul, /*mode=*/0ul);
  //  syz_clone arguments: [
  //    flags: clone_flags = 0x11 (8 bytes)
  //    stack: nil
  //    stack_len: bytesize = 0x0 (8 bytes)
  //    parentid: nil
  //    childtid: nil
  //    tls: nil
  //  ]
  //  returns pid
  res = -1;
  NONFAILING(res = syz_clone(/*flags=*/0x11, /*stack=*/0, /*stack_len=*/0,
                             /*parentid=*/0, /*childtid=*/0, /*tls=*/0));
  if (res != -1)
    r[2] = res;
  //  mount$fuse arguments: [
  //    src: const = 0x0 (8 bytes)
  //    dst: nil
  //    type: nil
  //    flags: mount_flags = 0x8 (8 bytes)
  //    opts: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {} (length 0x0)
  //        }
  //        union ANYUNION {
  //          ANYRESDEC: ANYRES64 (resource)
  //        }
  //      }
  //    }
  //  ]
  NONFAILING(sprintf((char*)0x200000000040, "%020llu", (long long)0));
  syscall(__NR_mount, /*src=*/0ul, /*dst=*/0ul, /*type=*/0ul,
          /*flags=MS_NOEXEC*/ 8ul, /*opts=*/0x200000000040ul);
  //  setpgid arguments: [
  //    pid: pid (resource)
  //    pgid: pid (resource)
  //  ]
  syscall(__NR_setpgid, /*pid=*/0, /*pgid=*/r[2]);
  //  open arguments: [
  //    file: nil
  //    flags: open_flags = 0x0 (8 bytes)
  //    mode: open_mode = 0x244 (8 bytes)
  //  ]
  //  returns fd
  syscall(__NR_open, /*file=*/0ul, /*flags=*/0ul,
          /*mode=S_IROTH|S_IXUSR|0x200*/ 0x244ul);
  //  epoll_wait arguments: [
  //    epfd: fd_epoll (resource)
  //    events: nil
  //    maxevents: len = 0x0 (8 bytes)
  //    timeout: int32 = 0xffffffff (4 bytes)
  //  ]
  syscall(__NR_epoll_wait, /*epfd=*/(intptr_t)-1, /*events=*/0ul,
          /*maxevents=*/0ul, /*timeout=*/(intptr_t)-1);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  setup_sysctl();
  setup_cgroups();
  const char* reason;
  (void)reason;
  if ((reason = setup_binfmt_misc()))
    printf("the reproducer may not work as expected: binfmt_misc setup failed: "
           "%s\n",
           reason);
  if ((reason = setup_802154()))
    printf("the reproducer may not work as expected: 802154 injection setup "
           "failed: %s\n",
           reason);
  if ((reason = setup_swap()))
    printf("the reproducer may not work as expected: swap setup failed: %s\n",
           reason);
  install_segv_handler();
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      do_sandbox_none();
    }
  }
  sleep(1000000);
  return 0;
}