// https://syzkaller.appspot.com/bug?id=9dd209b99b96c206cb23f4e57175a0e925c403eb
// 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 <netinet/in.h>
#include <pthread.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/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/if_addr.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/rtnetlink.h>
#include <linux/veth.h>

#ifndef __NR_bpf
#define __NR_bpf 321
#endif
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

static unsigned long long procid;

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 thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  int i = 0;
  for (; i < 100; i++) {
    if (pthread_create(&th, &attr, fn, arg) == 0) {
      pthread_attr_destroy(&attr);
      return;
    }
    if (errno == EAGAIN) {
      usleep(50);
      continue;
    }
    break;
  }
  exit(1);
}

#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len)               \
  *(type*)(addr) =                                                             \
      htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) |           \
            (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG, 1000000);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

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 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_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 long syz_genetlink_get_family_id(volatile long name,
                                        volatile long sock_arg)
{
  int fd = sock_arg;
  if (fd < 0) {
    fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
    if (fd == -1) {
      return -1;
    }
  }
  struct nlmsg nlmsg_tmp;
  int ret = netlink_query_family_id(&nlmsg_tmp, fd, (char*)name, false);
  if ((int)sock_arg < 0)
    close(fd);
  if (ret < 0) {
    return -1;
  }
  return ret;
}

//% This code is derived from puff.{c,h}, found in the zlib development. The
//% original files come with the following copyright notice:

//% Copyright (C) 2002-2013 Mark Adler, all rights reserved
//% version 2.3, 21 Jan 2013
//% This software is provided 'as-is', without any express or implied
//% warranty.  In no event will the author be held liable for any damages
//% arising from the use of this software.
//% Permission is granted to anyone to use this software for any purpose,
//% including commercial applications, and to alter it and redistribute it
//% freely, subject to the following restrictions:
//% 1. The origin of this software must not be misrepresented; you must not
//%    claim that you wrote the original software. If you use this software
//%    in a product, an acknowledgment in the product documentation would be
//%    appreciated but is not required.
//% 2. Altered source versions must be plainly marked as such, and must not be
//%    misrepresented as being the original software.
//% 3. This notice may not be removed or altered from any source distribution.
//% Mark Adler    madler@alumni.caltech.edu

//% BEGIN CODE DERIVED FROM puff.{c,h}

#define MAXBITS 15
#define MAXLCODES 286
#define MAXDCODES 30
#define MAXCODES (MAXLCODES + MAXDCODES)
#define FIXLCODES 288

struct puff_state {
  unsigned char* out;
  unsigned long outlen;
  unsigned long outcnt;
  const unsigned char* in;
  unsigned long inlen;
  unsigned long incnt;
  int bitbuf;
  int bitcnt;
  jmp_buf env;
};
static int puff_bits(struct puff_state* s, int need)
{
  long val = s->bitbuf;
  while (s->bitcnt < need) {
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    val |= (long)(s->in[s->incnt++]) << s->bitcnt;
    s->bitcnt += 8;
  }
  s->bitbuf = (int)(val >> need);
  s->bitcnt -= need;
  return (int)(val & ((1L << need) - 1));
}
static int puff_stored(struct puff_state* s)
{
  s->bitbuf = 0;
  s->bitcnt = 0;
  if (s->incnt + 4 > s->inlen)
    return 2;
  unsigned len = s->in[s->incnt++];
  len |= s->in[s->incnt++] << 8;
  if (s->in[s->incnt++] != (~len & 0xff) ||
      s->in[s->incnt++] != ((~len >> 8) & 0xff))
    return -2;
  if (s->incnt + len > s->inlen)
    return 2;
  if (s->outcnt + len > s->outlen)
    return 1;
  for (; len--; s->outcnt++, s->incnt++) {
    if (s->in[s->incnt])
      s->out[s->outcnt] = s->in[s->incnt];
  }
  return 0;
}
struct puff_huffman {
  short* count;
  short* symbol;
};
static int puff_decode(struct puff_state* s, const struct puff_huffman* h)
{
  int first = 0;
  int index = 0;
  int bitbuf = s->bitbuf;
  int left = s->bitcnt;
  int code = first = index = 0;
  int len = 1;
  short* next = h->count + 1;
  while (1) {
    while (left--) {
      code |= bitbuf & 1;
      bitbuf >>= 1;
      int count = *next++;
      if (code - count < first) {
        s->bitbuf = bitbuf;
        s->bitcnt = (s->bitcnt - len) & 7;
        return h->symbol[index + (code - first)];
      }
      index += count;
      first += count;
      first <<= 1;
      code <<= 1;
      len++;
    }
    left = (MAXBITS + 1) - len;
    if (left == 0)
      break;
    if (s->incnt == s->inlen)
      longjmp(s->env, 1);
    bitbuf = s->in[s->incnt++];
    if (left > 8)
      left = 8;
  }
  return -10;
}
static int puff_construct(struct puff_huffman* h, const short* length, int n)
{
  int len;
  for (len = 0; len <= MAXBITS; len++)
    h->count[len] = 0;
  int symbol;
  for (symbol = 0; symbol < n; symbol++)
    (h->count[length[symbol]])++;
  if (h->count[0] == n)
    return 0;
  int left = 1;
  for (len = 1; len <= MAXBITS; len++) {
    left <<= 1;
    left -= h->count[len];
    if (left < 0)
      return left;
  }
  short offs[MAXBITS + 1];
  offs[1] = 0;
  for (len = 1; len < MAXBITS; len++)
    offs[len + 1] = offs[len] + h->count[len];
  for (symbol = 0; symbol < n; symbol++)
    if (length[symbol] != 0)
      h->symbol[offs[length[symbol]]++] = symbol;
  return left;
}
static int puff_codes(struct puff_state* s, const struct puff_huffman* lencode,
                      const struct puff_huffman* distcode)
{
  static const short lens[29] = {3,  4,  5,  6,   7,   8,   9,   10,  11, 13,
                                 15, 17, 19, 23,  27,  31,  35,  43,  51, 59,
                                 67, 83, 99, 115, 131, 163, 195, 227, 258};
  static const short lext[29] = {0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2,
                                 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0};
  static const short dists[30] = {
      1,    2,    3,    4,    5,    7,    9,    13,    17,    25,
      33,   49,   65,   97,   129,  193,  257,  385,   513,   769,
      1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577};
  static const short dext[30] = {0, 0, 0,  0,  1,  1,  2,  2,  3,  3,
                                 4, 4, 5,  5,  6,  6,  7,  7,  8,  8,
                                 9, 9, 10, 10, 11, 11, 12, 12, 13, 13};
  int symbol;
  do {
    symbol = puff_decode(s, lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 256) {
      if (s->outcnt == s->outlen)
        return 1;
      if (symbol)
        s->out[s->outcnt] = symbol;
      s->outcnt++;
    } else if (symbol > 256) {
      symbol -= 257;
      if (symbol >= 29)
        return -10;
      int len = lens[symbol] + puff_bits(s, lext[symbol]);
      symbol = puff_decode(s, distcode);
      if (symbol < 0)
        return symbol;
      unsigned dist = dists[symbol] + puff_bits(s, dext[symbol]);
      if (dist > s->outcnt)
        return -11;
      if (s->outcnt + len > s->outlen)
        return 1;
      while (len--) {
        if (dist <= s->outcnt && s->out[s->outcnt - dist])
          s->out[s->outcnt] = s->out[s->outcnt - dist];
        s->outcnt++;
      }
    }
  } while (symbol != 256);
  return 0;
}
static int puff_fixed(struct puff_state* s)
{
  static int virgin = 1;
  static short lencnt[MAXBITS + 1], lensym[FIXLCODES];
  static short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  static struct puff_huffman lencode, distcode;
  if (virgin) {
    lencode.count = lencnt;
    lencode.symbol = lensym;
    distcode.count = distcnt;
    distcode.symbol = distsym;
    short lengths[FIXLCODES];
    int symbol;
    for (symbol = 0; symbol < 144; symbol++)
      lengths[symbol] = 8;
    for (; symbol < 256; symbol++)
      lengths[symbol] = 9;
    for (; symbol < 280; symbol++)
      lengths[symbol] = 7;
    for (; symbol < FIXLCODES; symbol++)
      lengths[symbol] = 8;
    puff_construct(&lencode, lengths, FIXLCODES);
    for (symbol = 0; symbol < MAXDCODES; symbol++)
      lengths[symbol] = 5;
    puff_construct(&distcode, lengths, MAXDCODES);
    virgin = 0;
  }
  return puff_codes(s, &lencode, &distcode);
}
static int puff_dynamic(struct puff_state* s)
{
  static const short order[19] = {16, 17, 18, 0, 8,  7, 9,  6, 10, 5,
                                  11, 4,  12, 3, 13, 2, 14, 1, 15};
  int nlen = puff_bits(s, 5) + 257;
  int ndist = puff_bits(s, 5) + 1;
  int ncode = puff_bits(s, 4) + 4;
  if (nlen > MAXLCODES || ndist > MAXDCODES)
    return -3;
  short lengths[MAXCODES];
  int index;
  for (index = 0; index < ncode; index++)
    lengths[order[index]] = puff_bits(s, 3);
  for (; index < 19; index++)
    lengths[order[index]] = 0;
  short lencnt[MAXBITS + 1], lensym[MAXLCODES];
  struct puff_huffman lencode = {lencnt, lensym};
  int err = puff_construct(&lencode, lengths, 19);
  if (err != 0)
    return -4;
  index = 0;
  while (index < nlen + ndist) {
    int symbol;
    int len;
    symbol = puff_decode(s, &lencode);
    if (symbol < 0)
      return symbol;
    if (symbol < 16)
      lengths[index++] = symbol;
    else {
      len = 0;
      if (symbol == 16) {
        if (index == 0)
          return -5;
        len = lengths[index - 1];
        symbol = 3 + puff_bits(s, 2);
      } else if (symbol == 17)
        symbol = 3 + puff_bits(s, 3);
      else
        symbol = 11 + puff_bits(s, 7);
      if (index + symbol > nlen + ndist)
        return -6;
      while (symbol--)
        lengths[index++] = len;
    }
  }
  if (lengths[256] == 0)
    return -9;
  err = puff_construct(&lencode, lengths, nlen);
  if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
    return -7;
  short distcnt[MAXBITS + 1], distsym[MAXDCODES];
  struct puff_huffman distcode = {distcnt, distsym};
  err = puff_construct(&distcode, lengths + nlen, ndist);
  if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
    return -8;
  return puff_codes(s, &lencode, &distcode);
}
static int puff(unsigned char* dest, unsigned long* destlen,
                const unsigned char* source, unsigned long sourcelen)
{
  struct puff_state s = {
      .out = dest,
      .outlen = *destlen,
      .outcnt = 0,
      .in = source,
      .inlen = sourcelen,
      .incnt = 0,
      .bitbuf = 0,
      .bitcnt = 0,
  };
  int err;
  if (setjmp(s.env) != 0)
    err = 2;
  else {
    int last;
    do {
      last = puff_bits(&s, 1);
      int type = puff_bits(&s, 2);
      err = type == 0 ? puff_stored(&s)
                      : (type == 1 ? puff_fixed(&s)
                                   : (type == 2 ? puff_dynamic(&s) : -1));
      if (err != 0)
        break;
    } while (!last);
  }
  *destlen = s.outcnt;
  return err;
}

//% END CODE DERIVED FROM puff.{c,h}

#define ZLIB_HEADER_WIDTH 2

static int puff_zlib_to_file(const unsigned char* source,
                             unsigned long sourcelen, int dest_fd)
{
  if (sourcelen < ZLIB_HEADER_WIDTH)
    return 0;
  source += ZLIB_HEADER_WIDTH;
  sourcelen -= ZLIB_HEADER_WIDTH;
  const unsigned long max_destlen = 132 << 20;
  void* ret = mmap(0, max_destlen, PROT_WRITE | PROT_READ,
                   MAP_PRIVATE | MAP_ANON, -1, 0);
  if (ret == MAP_FAILED)
    return -1;
  unsigned char* dest = (unsigned char*)ret;
  unsigned long destlen = max_destlen;
  int err = puff(dest, &destlen, source, sourcelen);
  if (err) {
    munmap(dest, max_destlen);
    errno = -err;
    return -1;
  }
  if (write(dest_fd, dest, destlen) != (ssize_t)destlen) {
    munmap(dest, max_destlen);
    return -1;
  }
  return munmap(dest, max_destlen);
}

static int setup_loop_device(unsigned char* data, unsigned long size,
                             const char* loopname, int* loopfd_p)
{
  int err = 0, loopfd = -1;
  int memfd = syscall(__NR_memfd_create, "syzkaller", 0);
  if (memfd == -1) {
    err = errno;
    goto error;
  }
  if (puff_zlib_to_file(data, size, memfd)) {
    err = errno;
    goto error_close_memfd;
  }
  loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    err = errno;
    goto error_close_memfd;
  }
  if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
    if (errno != EBUSY) {
      err = errno;
      goto error_close_loop;
    }
    ioctl(loopfd, LOOP_CLR_FD, 0);
    usleep(1000);
    if (ioctl(loopfd, LOOP_SET_FD, memfd)) {
      err = errno;
      goto error_close_loop;
    }
  }
  close(memfd);
  *loopfd_p = loopfd;
  return 0;

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

static void reset_loop_device(const char* loopname)
{
  int loopfd = open(loopname, O_RDWR);
  if (loopfd == -1) {
    return;
  }
  if (ioctl(loopfd, LOOP_CLR_FD, 0)) {
  }
  close(loopfd);
}

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

error_clear_loop:
  if (need_loop_device)
    reset_loop_device(loopname);
  errno = err;
  return res;
}

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 reset_loop()
{
  char buf[64];
  snprintf(buf, sizeof(buf), "/dev/loop%llu", procid);
  int loopfd = open(buf, O_RDWR);
  if (loopfd != -1) {
    ioctl(loopfd, LOOP_CLR_FD, 0);
    close(loopfd);
  }
}

static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  int i, call, thread;
  for (call = 0; call < 12; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      event_timedwait(&th->done, 50 + (call == 0 ? 4000 : 0) +
                                     (call == 9 ? 500 : 0) +
                                     (call == 11 ? 500 : 0));
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    reset_loop();
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[6] = {0xffffffffffffffff, 0xffffffffffffffff, 0x0,
                 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_call(int call)
{
  intptr_t res = 0;
  switch (call) {
  case 0:
    memcpy((void*)0x200000c0, "exfat\000", 6);
    memcpy((void*)0x20001540, "./file0\000", 8);
    memcpy((void*)0x200003c0,
           "iocharset=cp874,discard,fmask=00000000000000000003777,uid=", 58);
    sprintf((char*)0x200003fa, "0x%016llx", (long long)-1);
    memcpy((void*)0x2000040c,
           ",dmask=00000000000000000000152,iocharset=cP864,gid=", 51);
    sprintf((char*)0x2000043f, "0x%016llx", (long long)-1);
    memcpy(
        (void*)0x20000451,
        "\x2c\x61\x6c\x6c\x6f\x77\x5f\x75\x74\x69\x6d\x65\x3d\x30\x30\x30\x30"
        "\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\xfe\x30\x30\x30\x30"
        "\x30\x37\x2c\x64\x69\x73\x63\x61\x72\x64\x2c\x00\xf7\xd4\xdc\xea\xb5"
        "\xea\x87\x9b\x95\x2d\xeb\xb9\x5a\x4b\xd6\x2f\xee\x1c\x58\x18\xed\xe6"
        "\x01\x64\x90\x07\xaa\xc2\xfc\x58\xe8\xd8\x5d\x0c\x30\xa2\x8f\xa4\xac"
        "\x4b\xf2\x87\x85\x0e\x0f\x34\x03\xfd\xa8\x7b\xe3\x92\x2e\x7c\xff\x7f"
        "\x00\x00\xdd\x9f\xd4\xb9\xef\x9a\xf8\x6e\xad\xfb\xd6",
        115);
    memcpy(
        (void*)0x20001580,
        "\x78\x9c\xec\xdc\x0b\x98\x8e\x55\xd7\x38\xf0\xbd\xf6\xde\x37\x63\x9a"
        "\xf4\x34\xc9\x61\xd8\x6b\xaf\x9b\x27\x0d\xb6\x49\x92\x1c\x12\x72\x48"
        "\x92\x24\x49\x72\x4a\x48\x9a\x24\x49\x48\x0c\x39\x25\x0d\x49\xc8\x71"
        "\x92\x1c\x86\x90\x1c\xa6\x31\x69\x9c\xcf\x87\x9c\x93\x26\xaf\x34\x49"
        "\x12\x92\x53\xd8\xff\x4b\xef\xfb\x7d\xde\xf7\xeb\xfd\xbe\xbe\xef\xff"
        "\xf6\xff\xbb\xae\x6f\xd6\xef\xba\xf6\x35\x7b\xcd\xfd\xac\xf5\xac\x7b"
        "\xd6\x5c\xf3\xdc\xf7\x73\x5d\xf3\xfc\xd0\x73\x54\xbd\x16\xf5\x6b\x37"
        "\x23\x22\xf1\x2f\x81\xbf\x7e\x49\x11\x42\xc4\x08\x21\x86\x09\x21\x6e"
        "\x10\x42\x04\x42\x88\x4a\xf1\x95\xe2\xaf\x1c\x2f\xa0\x20\xe5\x5f\x7b"
        "\x12\xf6\xe7\x7a\x34\xfd\x5a\x77\xc0\xae\x25\x9e\x7f\xde\xc6\xf3\xcf"
        "\xdb\x78\xfe\x79\x1b\xcf\x3f\x6f\xe3\xf9\xe7\x6d\x3c\xff\xbc\x8d\xe7"
        "\x9f\xb7\xf1\xfc\x19\xcb\xcb\xb6\xcf\x29\x76\x23\xaf\xbc\xbb\xf8\xfd"
        "\xff\xbc\x8c\x5f\xff\xff\x17\xc9\x2d\x3f\xf9\x9b\x8d\xe5\x6f\xee\xf5"
        "\x3f\x48\xe1\xf9\xe7\x6d\x3c\xff\xbc\x8d\xe7\x9f\xb7\xf1\xfc\xf3\x36"
        "\x9e\x7f\xde\xc6\xf3\xff\xdf\xaf\xd6\x7f\x71\x8c\xe7\x9f\xb7\xf1\xfc"
        "\x19\xcb\xcb\xae\xf5\xfb\xcf\xbc\xae\xed\xba\xd6\xbf\x7f\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6"
        "\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\xf2\x86\x73\xfe\x2a\x2d\x84\xf8\xb7\xfd\xb5"
        "\xee\x8b\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x7f\x1e\x9f\xff\x5a\x77"
        "\xc0\x18\x63\x8c\x31\xc6\x18\x63\x8c\xb1\xff\xf7\x40\x48\xa1\x84\x16"
        "\x81\xc8\x27\xf2\x8b\x18\x51\x40\xc4\x8a\xeb\x44\x9c\xb8\x5e\x14\x14"
        "\x37\x88\x88\xb8\x51\xc4\x8b\x9b\x44\x21\x71\xb3\x28\x2c\x8a\x88\xa2"
        "\xa2\x98\x48\x10\xc5\x45\x09\x61\x04\x0a\x2b\x48\x84\xa2\xa4\x28\x25"
        "\xa2\xe2\x16\x51\x5a\xdc\x2a\x12\x45\x19\x51\x56\x94\x13\x4e\x94\x17"
        "\x49\xe2\x36\x51\x41\xdc\x2e\x2a\x8a\x3b\x44\x25\x71\xa7\xa8\x2c\xee"
        "\x12\x55\x44\x55\x51\x4d\x54\x17\x77\x8b\x1a\xe2\x1e\x51\x53\xd4\x12"
        "\xb5\xc5\xbd\xa2\x8e\xa8\x2b\xea\x89\xfa\xe2\x3e\xd1\x40\xdc\x2f\x1a"
        "\x8a\x07\x44\x23\xf1\xa0\x68\x2c\x1e\x12\x4d\xc4\xc3\xa2\xa9\x78\x44"
        "\x34\x13\x8f\x8a\xe6\xe2\x31\xd1\x42\x3c\x2e\x5a\x8a\x27\x44\x2b\xd1"
        "\x5a\xb4\x11\x6d\x45\xbb\xff\xab\xfc\x57\x44\x5f\xf1\xaa\xe8\x27\xfa"
        "\x8b\x14\x31\x40\x0c\x14\xaf\x89\x41\x62\xb0\x18\x22\x86\x8a\x61\xe2"
        "\x75\x31\x5c\xbc\x21\x46\x88\x37\x45\xaa\x18\x29\x46\x89\xb7\xc4\x68"
        "\xf1\xb6\x18\x23\xde\x11\x63\xc5\x38\x31\x5e\xbc\x2b\x26\x88\x89\x62"
        "\x92\x98\x2c\xa6\x88\xa9\x22\x4d\xbc\x27\xa6\x89\xf7\xc5\x74\xf1\x81"
        "\x98\x21\x66\x8a\x59\x62\xb6\x48\x17\x73\xc4\x5c\xf1\xa1\x98\x27\xe6"
        "\x8b\x05\xe2\x23\xb1\x50\x7c\x2c\x16\x89\xc5\x62\x89\x58\x2a\x32\xc4"
        "\x27\x22\x53\x2c\x13\x59\xe2\x53\xb1\x5c\x7c\x26\xb2\xc5\x0a\xb1\x52"
        "\xac\x12\xab\xc5\x1a\xb1\x56\xac\x13\xeb\xc5\x06\xb1\x51\x6c\x12\x9b"
        "\xc5\x16\xb1\x55\x6c\x13\xdb\xc5\xe7\x62\x87\xd8\x29\x76\x89\xdd\x62"
        "\x8f\xd8\x2b\xf6\x89\x2f\xc4\x7e\xf1\xa5\x38\x20\xbe\x12\x39\xe2\xeb"
        "\xff\x61\xfe\xd9\xff\x90\xdf\x0b\x04\x08\x90\x20\x41\x83\x86\x7c\x90"
        "\x0f\x62\x20\x06\x62\x21\x16\xe2\x20\x0e\x0a\x42\x41\x88\x40\x04\xe2"
        "\x21\x1e\x0a\x41\x21\x28\x0c\x85\xa1\x28\x14\x85\x04\x48\x80\x12\x50"
        "\x02\x10\x10\x08\x08\x4a\x42\x49\x88\x42\x14\x4a\x43\x69\x48\x84\x44"
        "\x28\x0b\x65\xc1\x81\x83\x24\x48\x82\x0a\x70\x3b\x54\x84\x8a\x50\x09"
        "\x2a\x41\x65\xa8\x0c\x55\xa0\x2a\x54\x85\xea\x50\x1d\x6a\x40\x0d\xa8"
        "\x09\x35\xa1\x36\xd4\x86\x3a\x50\x07\xea\x41\x3d\xb8\x0f\xee\x83\xfb"
        "\xa1\x21\x34\x84\x46\xd0\x08\x1a\x43\x63\x68\x02\x4d\xa0\x29\x34\x85"
        "\x66\xd0\x0c\x9a\x43\x73\x68\x01\x2d\xa0\x25\xb4\x84\x56\xd0\x0a\xda"
        "\x40\x1b\x68\x07\xed\xa0\x3d\xb4\x87\x0e\xd0\x01\x3a\x41\x27\xe8\x0c"
        "\x9d\xa1\x0b\x74\x81\x64\x48\x86\xae\xd0\x15\xba\x41\x37\xe8\x0e\xdd"
        "\xa1\x07\xf4\x80\x9e\xd0\x13\x7a\x41\x6f\xe8\x0d\xaf\xc0\x2b\xf0\x2a"
        "\xbc\x0a\xfd\xa1\x8e\x1c\x00\x03\x61\x20\x0c\x82\x41\x30\x04\x86\xc2"
        "\x50\x78\x1d\x86\xc3\x1b\xf0\x06\xbc\x09\xa9\x30\x12\x46\xc1\x5b\xf0"
        "\x16\xbc\x0d\x63\xe0\x0c\x8c\x85\x71\x30\x1e\xc6\x43\x0d\x39\x11\x26"
        "\xc1\x64\x20\x39\x15\xd2\x20\x0d\xa6\xc1\x34\x98\x0e\xd3\x61\x06\xcc"
        "\x84\x99\x30\x1b\xd2\x61\x0e\xcc\x85\xb9\x30\x0f\xe6\xc3\x7c\xf8\x08"
        "\x16\xc2\xc7\xf0\x31\x2c\x86\xc5\xb0\x14\x32\x20\x03\x32\x61\x19\x64"
        "\x41\x16\x2c\x87\xb3\x90\x0d\x2b\x60\x25\xac\x82\xd5\xb0\x06\x56\xc3"
        "\x3a\x58\x0f\xeb\x60\x23\x6c\x82\x8d\xb0\x05\xb6\xc0\x36\xd8\x06\x9f"
        "\xc3\xe7\xb0\x13\x76\xc2\x6e\xd8\x0d\x7b\x61\x2f\x7c\x01\x5f\xc0\x97"
        "\xf0\x25\xa4\x42\x0e\xe4\xc0\x41\x38\x08\x87\xe0\x10\x1c\x86\xc3\x90"
        "\x0b\xb9\x70\x04\x8e\xc0\x51\x38\x0a\xc7\xe0\x18\x1c\x87\xe3\x70\x02"
        "\x4e\xc2\x29\x38\x09\xa7\xe1\x34\x9c\x81\xb3\x70\x0e\xce\xc1\x05\xb8"
        "\x00\x17\xe1\xa5\x84\xef\x9a\xef\x2d\xb3\x21\x55\xc8\x2b\xb4\xd4\x32"
        "\x9f\xcc\x27\x63\x64\x8c\x8c\x95\xb1\x32\x4e\xc6\xc9\x82\xb2\xa0\x8c"
        "\xc8\x88\x8c\x97\xf1\xb2\x90\x2c\x24\x0b\xcb\xc2\xb2\xa8\x2c\x2a\x13"
        "\x64\x82\x2c\x21\x4b\x48\x94\x28\x49\x86\xb2\xa4\x2c\x29\xa3\x32\x2a"
        "\x4b\xcb\xd2\x32\x51\x26\xca\xb2\xb2\xac\x74\xd2\xc9\x24\x99\x24\x2b"
        "\xc8\x0a\xb2\xa2\xac\x28\x2b\xc9\x3b\x65\x65\x79\x97\xac\x22\xab\xca"
        "\x8e\xae\xba\xac\x2e\x6b\xc8\x4e\xae\xa6\xac\x25\x6b\xcb\xda\xb2\x8e"
        "\xac\x2b\xeb\xc9\xfa\xb2\xbe\x6c\x20\x1b\xc8\x86\xb2\xa1\x6c\x24\x1b"
        "\xc9\xc6\xb2\xb1\x6c\x22\x1f\x96\x4d\xe5\x00\x18\x02\x8f\xca\x2b\x93"
        "\x69\x21\x47\x42\x4b\x39\x0a\x5a\xc9\xd6\xb2\x8d\x6c\x2b\xdf\x86\x27"
        "\x65\x7b\x39\x06\x3a\xc8\x8e\xb2\x93\x7c\x5a\x8e\x83\xb1\xd0\x45\xb6"
        "\x77\xc9\xf2\x39\xd9\x55\x4e\x82\x6e\xf2\x05\x39\x19\x5e\x94\x3d\xe4"
        "\x54\xe8\x29\x5f\x96\xbd\x64\x6f\xd9\x47\xbe\x22\xfb\xca\x0e\xae\x9f"
        "\xec\x2f\x67\xc0\x00\x39\x50\xce\x86\x41\x72\xb0\x1c\x22\x87\xca\x79"
        "\x50\x57\x5e\x99\x58\x3d\xf9\xa6\x4c\x95\x23\xe5\x28\xf9\x96\x5c\x0a"
        "\x6f\xcb\x31\xf2\x1d\x39\x56\x8e\x93\xe3\xe5\xbb\x72\x82\x9c\x28\x27"
        "\xc9\xc9\x72\x8a\x9c\x2a\xd3\xe4\x7b\x72\x9a\x7c\x5f\x4e\x97\x1f\xc8"
        "\x19\x72\xa6\x9c\x25\x67\xcb\x74\x39\x47\xce\x95\x1f\xca\x79\x72\xbe"
        "\x5c\x20\x3f\x92\x0b\xe5\xc7\x72\x91\x5c\x2c\x97\xc8\xa5\x32\x43\x7e"
        "\x22\x33\xe5\x32\x99\x25\x3f\x95\xcb\xe5\x67\x32\x5b\xae\x90\x2b\xe5"
        "\x2a\xb9\x5a\xae\x91\x6b\xe5\x3a\xb9\x5e\x6e\x90\x1b\xe5\x26\xb9\x59"
        "\x6e\x91\x5b\xe5\x36\xb9\x5d\x7e\x2e\x77\xc8\x9d\x72\x97\xdc\x2d\xf7"
        "\xc8\xbd\x72\x9f\xfc\x42\xee\x97\x5f\xca\x03\xf2\x2b\x99\x23\xbf\x96"
        "\x07\xe5\x5f\xe4\x21\xf9\x8d\x3c\x2c\xbf\x95\xb9\xf2\x3b\x79\x44\x7e"
        "\x2f\x8f\xca\x1f\xe4\x31\xf9\xa3\x3c\x2e\x7f\x92\x27\xe4\x49\x79\x4a"
        "\xfe\x2c\x4f\xcb\x5f\xe4\x19\x79\x56\x9e\x93\xe7\xe5\x05\xf9\xab\xbc"
        "\x28\x2f\xc9\xcb\xd2\x4b\xa1\x40\x49\xa5\x94\x56\x81\xca\xa7\xf2\xab"
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        "\xb8\x08\x97\xe0\x12\xcc\xc0\x0c\xcc\xc4\x4c\xcc\xc2\x2c\x5c\x8e\xcb"
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        "\x23\x6e\xc4\xcd\xb8\x19\xb7\xe2\x56\xdc\x8e\xdb\x71\x07\xee\xc0\x5d"
        "\xb8\x0b\xf7\xe0\x1e\xdc\x87\xfb\x70\x3f\xee\xc7\x03\x78\x00\x73\x30"
        "\x07\x0f\xe2\x41\x3c\x84\x87\xf0\x30\x1e\xc6\x5c\xcc\xc5\x23\x78\x04"
        "\x8f\xe2\x51\x3c\x86\xc7\xf0\x38\x1e\xc7\x13\x78\x02\x4f\xe1\x29\x3c"
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        "\x80\xfd\xfb\xb8\xa8\x2d\x66\x13\x6c\x71\x5b\xc2\x1a\x5b\xd8\x16\xf9"
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        "\xef\xe2\x2a\xb6\xaa\xad\x66\xab\xdb\xbb\x6d\x0d\x7b\x8f\xad\xf9\xbb"
        "\xb8\x81\xbd\xdf\x36\xb4\x0f\xd8\x46\xf6\x41\x5b\xdf\xde\xf7\x0f\x71"
        "\x63\xfb\x90\x6d\x62\x1f\xb7\x4d\xed\x13\xb6\x99\x6d\x6d\x9b\xdb\xb6"
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        "\x19\xdb\xc5\x3e\x6b\x93\xed\x73\xb6\xab\x7d\xfe\x77\x71\xa6\x5d\x66"
        "\xd7\xdb\x0d\x76\xa3\xdd\x64\xf7\xdb\x2f\xed\x39\x7b\xde\x1e\xb5\x3f"
        "\xd8\x0b\xf6\x57\xdb\xcf\xf6\xb7\xc3\xec\xeb\x76\xb8\x7d\xc3\x8e\xb0"
        "\x6f\xda\x54\x3b\xf2\x77\xf1\x78\xfb\xae\x9d\x60\x27\xda\x49\x76\xb2"
        "\x9d\x62\xa7\xfe\x2e\x9e\x65\x67\xdb\x74\x3b\xc7\xce\xb5\x1f\xda\x79"
        "\x76\xfe\xef\xe2\x0c\xfb\x89\x5d\x68\xb3\xec\x22\xbb\xd8\x2e\xb1\x4b"
        "\x7f\x8b\xaf\xf4\x94\x65\x3f\xb5\xcb\xed\x67\x36\xdb\xae\xb0\x2b\xed"
        "\x2a\xbb\xda\xae\xb1\x6b\xed\xba\x7f\xef\x75\x95\xdd\x62\xb7\xda\x6d"
        "\x76\x9f\xfd\xc2\xee\xb0\x3b\xed\x2e\xbb\xdb\xee\xb1\x7b\x7f\x8b\xaf"
        "\x9c\xc7\x01\xfb\x95\xcd\xb1\x5f\xdb\x23\xf6\x7b\x7b\xc8\x7e\x63\x0f"
        "\xdb\x63\x36\xd7\x7e\xf7\x5b\x7c\xe5\xfc\x8e\xd9\x1f\xed\x71\xfb\x93"
        "\x3d\x61\x4f\xda\x53\xf6\x67\x7b\xda\xfe\x62\xcf\xd8\xb3\xbf\x9d\xff"
        "\x95\x73\xff\xd9\x5e\xb2\x97\xad\xb7\x82\x80\x24\x29\xd2\x14\x50\x3e"
        "\xca\x4f\x31\x54\x80\x62\xe9\x3a\x8a\xa3\xeb\xa9\x20\xdd\x40\x11\xba"
        "\x91\xe2\xe9\x26\x2a\x44\x37\x53\x61\x2a\x42\x45\xa9\x18\x25\x50\x71"
        "\x2a\x41\x86\x90\x2c\x11\x85\x54\x92\x4a\x51\x94\x6e\xa1\xd2\x74\x2b"
        "\x25\x52\x19\x2a\x4b\xe5\xc8\x51\x79\x4a\xa2\xdb\xa8\x02\xdd\x4e\x15"
        "\xe9\x0e\xaa\x44\x77\x52\x65\xba\x8b\xaa\x50\x55\xaa\x46\xd5\xe9\x6e"
        "\xaa\x41\xf7\x50\x4d\xaa\x45\xb5\xe9\x5e\xaa\x43\x75\xa9\x1e\xd5\xa7"
        "\xfb\xa8\x01\xdd\x4f\x0d\xe9\x01\x6a\x44\x0f\x52\x63\x7a\x88\x9a\xd0"
        "\xc3\xd4\x94\x1e\xa1\x66\xf4\x28\x35\xa7\xc7\xa8\x05\x3d\x4e\x2d\xe9"
        "\x09\x6a\x45\xad\xa9\x0d\xb5\xa5\x76\xf4\x24\xb5\xa7\xa7\xa8\x03\x75"
        "\xa4\x4e\xf4\x34\x75\xa6\x67\xa8\x0b\x3d\x4b\xc9\xf4\x1c\x75\xa5\xe7"
        "\xa9\x1b\xbd\x40\xdd\xe9\x45\xea\x41\x2f\x51\x4f\x7a\x99\x7a\x51\x6f"
        "\xea\x43\xaf\x50\x5f\x7a\x95\xfa\x51\x7f\x4a\xa1\x01\x34\x90\x5e\xa3"
        "\x41\x34\x98\x86\xd0\x50\x1a\x46\xaf\xd3\x70\x7a\x83\x46\xd0\x9b\x94"
        "\x4a\x23\x69\x14\xbd\x45\xa3\xe9\x6d\x1a\x43\xef\xd0\x58\x1a\x47\xe3"
        "\xe9\x5d\x9a\x40\x13\x69\x12\x4d\xa6\x29\x34\x95\xd2\xe8\x3d\x9a\x46"
        "\xef\xd3\x74\xfa\x80\x66\xd0\x4c\x9a\x45\xb3\x29\x9d\xe6\xd0\x5c\xfa"
        "\x90\xe6\xd1\x7c\x5a\x40\x1f\xd1\x42\xfa\x98\x16\xd1\x62\x5a\x42\x4b"
        "\x29\x83\x3e\xa1\x4c\x5a\x46\x59\xf4\x29\x2d\xa7\xcf\x28\x9b\x56\xd0"
        "\x4a\x5a\x45\xab\x69\x0d\xad\xa5\x75\xb4\x9e\x36\xd0\x46\xda\x44\x9b"
        "\x69\x0b\x6d\xa5\x6d\xb4\x9d\x3e\xa7\x1d\xb4\x93\x76\xd1\x6e\xda\x43"
        "\x7b\x69\x1f\x7d\x41\xfb\xe9\x4b\x3a\x40\x5f\x51\x0e\x7d\x4d\x07\xe9"
        "\x2f\x74\x88\xbe\xa1\xc3\xf4\x2d\xe5\xd2\x77\x74\x84\xbe\xa7\xa3\xf4"
        "\x03\x1d\xa3\x1f\xe9\x38\xfd\x44\x27\xe8\x24\x9d\xa2\x9f\xe9\x34\xfd"
        "\x42\x67\xe8\x2c\x9d\xa3\xf3\x74\x81\x7e\xa5\x8b\x74\x89\x2e\x93\x27"
        "\x11\x42\x28\x43\x15\xea\x30\x08\xf3\x85\xf9\xc3\x98\xb0\x40\x18\x1b"
        "\x5e\x17\xc6\x85\xd7\x87\x05\xc3\x1b\xc2\x48\x78\x63\x18\x1f\xde\x14"
        "\x16\x0a\x6f\x0e\x0b\x87\x45\xc2\xa2\x61\xb1\x30\x21\x2c\x1e\x96\x08"
        "\x4d\x88\xa1\x0d\x29\x0c\xc3\x92\x61\xa9\x30\x1a\xde\x12\x96\x0e\x6f"
        "\x0d\x13\xc3\x32\x61\xd9\xb0\x5c\xe8\xc2\xf2\x61\x52\x78\x5b\x58\x21"
        "\xbc\x3d\xac\x18\xde\x11\x56\x0a\xef\x0c\x2b\x87\x77\x85\x55\xc2\xaa"
        "\xe1\xe3\x0f\x56\x0f\xef\x0e\x6b\x84\xf7\x84\x35\xc3\x5a\x61\xed\xf0"
        "\xde\xb0\x4e\x58\x37\xac\x17\xd6\x0f\xef\x0b\x1b\x84\xf7\x87\x0d\xc3"
        "\x07\xc2\x46\xe1\x83\x61\xc5\xf0\xa1\xb0\x49\xf8\x70\xd8\x34\x7c\x24"
        "\x6c\x16\x3e\x1a\x36\x0f\x1f\x0b\x5b\x84\x8f\x87\x2d\xc3\x27\xc2\x56"
        "\x61\xeb\xb0\x4d\xd8\x36\x6c\x17\x3e\x19\xb6\x0f\x9f\x0a\x3b\x84\x1d"
        "\xc3\x4e\xe1\xd3\x61\xe7\xf0\x99\xb0\x4b\xf8\x6c\x98\x1c\x3e\x17\x76"
        "\x0d\x9f\xff\xc3\xe3\x29\xe1\x80\x70\x60\xf8\x5a\xf8\x5a\xe8\xfd\x03"
        "\x6a\x49\x74\x69\x34\x23\xfa\x49\x34\x33\xba\x2c\x9a\x15\xfd\x34\xba"
        "\x3c\xfa\x59\x34\x3b\xba\x22\xba\x32\xba\x2a\xba\x3a\xba\x26\xba\x36"
        "\xba\x2e\xba\x3e\xba\x21\xba\x31\xba\x29\xba\x39\xba\x25\xba\x35\xba"
        "\x2d\xea\x7d\xfd\xfc\xc2\x81\x93\x4e\x39\xed\x02\x97\xcf\xe5\x77\x31"
        "\xae\x80\x8b\x75\xd7\xb9\x38\x77\xbd\x2b\xe8\x6e\x70\x11\x77\xa3\x8b"
        "\x77\x37\xb9\x42\xee\x66\x57\xd8\x15\x71\x45\x5d\x31\x97\xe0\x8a\xbb"
        "\x12\xce\x38\x74\xd6\x91\x0b\x5d\x49\x57\xca\x45\xdd\x2d\xae\xb4\xbb"
        "\xd5\x25\xba\x32\xae\xac\x2b\xe7\x9c\x2b\xef\x92\x5c\x5b\xd7\xce\xb5"
        "\x73\xed\xdd\x53\xae\x83\xeb\xe8\x3a\xb9\xa7\xdd\xd3\xee\x19\xf7\x8c"
        "\x7b\xd6\x3d\xeb\x9e\x73\x5d\xdd\xf3\xae\x9b\x7b\xc1\x75\x77\x2f\xba"
        "\x1e\xee\x25\xf7\x92\x7b\xd9\xf5\x72\xbd\x5d\x1f\xf7\x8a\xeb\xeb\x5e"
        "\x75\xfd\x5c\x7f\x97\xe2\x52\xdc\x40\x37\xd0\x0d\x72\x83\xdc\x10\x37"
        "\xc4\x0d\x73\xc3\xdc\x70\x37\xdc\x8d\x70\x23\x5c\xaa\x4b\x75\xa3\xdc"
        "\x28\x37\xda\x8d\x76\x63\xdc\x18\x37\xd6\x8d\x75\xe3\xdd\x78\x37\xc1"
        "\x4d\x70\x93\xdc\x24\x37\xc5\x4d\x71\x69\x2e\xcd\x4d\x73\xd3\xdc\x74"
        "\x37\xdd\xcd\x70\x33\xdc\x2c\x37\xcb\xa5\xbb\x74\x37\xd7\xcd\x75\xf3"
        "\xdc\x3c\xb7\xc0\x2d\x70\x0b\x13\x17\xba\x45\x6e\x91\x5b\xe2\x96\xb8"
        "\x0c\x97\xe1\x32\x5d\xa6\xcb\x72\x59\x6e\xb9\x5b\xee\xb2\x5d\xb6\x5b"
        "\xe9\x56\xba\xd5\x6e\xb5\x5b\xeb\xd6\xba\xf5\x6e\xbd\xdb\xe8\x36\xba"
        "\xcd\x6e\xb3\xdb\xea\xb6\xba\xed\x6e\xbb\xdb\xe1\x76\xb8\x5d\x6e\x97"
        "\xdb\xe3\xf6\xb8\x7d\x6e\x9f\xdb\xef\xf6\xbb\x03\xee\x80\xcb\x71\x39"
        "\xee\xa0\x3b\xe8\x0e\xb9\x43\xee\xb0\xfb\xd6\xe5\xba\xef\xdc\x11\xf7"
        "\xbd\x3b\xea\x7e\x70\xc7\xdc\x8f\xee\xb8\xfb\xc9\x9d\x70\x27\xdd\x29"
        "\xf7\xb3\x3b\xed\x7e\x71\x67\xdc\x59\x77\xce\x9d\x77\x17\xdc\xaf\xee"
        "\xa2\xbb\xe4\x2e\x3b\xef\xd2\x22\xef\x45\xa6\x45\xde\x8f\x4c\x8f\x7c"
        "\x10\x99\x11\x99\x19\x99\x15\x99\x1d\x49\x8f\xcc\x89\xcc\x8d\x7c\x18"
        "\x99\x17\x99\x1f\x59\x10\xf9\x28\xb2\x30\xf2\x71\x64\x51\x64\x71\x64"
        "\x49\x64\x69\x24\x23\xf2\x49\x24\x33\xb2\x2c\x92\x15\xf9\x34\xb2\x3c"
        "\xf2\x59\x24\x3b\xb2\x22\xb2\x32\xb2\x2a\xb2\x3a\xb2\x26\xe2\x7d\xf1"
        "\x1d\xa1\x2f\xe9\x4b\xf9\xa8\xbf\xc5\x97\xf6\xb7\xfa\x44\x5f\xc6\x97"
        "\xf5\xe5\xbc\xf3\xe5\x7d\x92\xbf\xcd\x57\xf0\xb7\xfb\x8a\xfe\x0e\x5f"
        "\xc9\xdf\xe9\x2b\xfb\xbb\x7c\x15\x5f\xd5\x57\xf3\x4f\xf8\x56\xbe\xb5"
        "\x6f\xe3\xdb\xfa\x76\xfe\x49\xdf\xde\x3f\xe5\x3b\xf8\x8e\xbe\x93\x7f"
        "\xda\x77\xf6\xcf\xf8\x2e\xfe\x59\x9f\xec\x9f\xf3\x5d\xfd\xf3\xbe\x9b"
        "\x7f\xc1\x77\xf7\x2f\xfa\x1e\xfe\x25\xdf\xd3\xbf\xec\x7b\xf9\xde\xbe"
        "\x8f\x7f\xc5\xf7\xf5\xaf\xfa\x7e\xbe\xbf\x4f\xf1\x03\xfc\x40\xff\x9a"
        "\x1f\xe4\x07\xfb\x21\x7e\xa8\x1f\xe6\x5f\xf7\xc3\xfd\x1b\x7e\x84\x7f"
        "\xd3\xa7\xfa\x91\x7e\x94\x7f\xcb\x8f\xf6\x6f\xfb\x31\xfe\x1d\x3f\xd6"
        "\x8f\xf3\xe3\xfd\xbb\x7e\x82\x9f\xe8\x27\xf9\xc9\x7e\x8a\x9f\xea\xd3"
        "\xfc\x7b\x7e\x9a\x7f\xdf\x4f\xf7\x1f\xf8\x19\x7e\xa6\x9f\xe5\x67\xfb"
        "\x74\x3f\xc7\xcf\xf5\x1f\xfa\x79\x7e\xbe\x5f\xe0\x3f\xf2\x0b\xfd\xc7"
        "\x7e\x91\x5f\xec\x97\xf8\xa5\x3e\xc3\x7f\xe2\x33\xfd\x32\x9f\xe5\x3f"
        "\xf5\xcb\xfd\x67\x3e\xdb\xaf\xf0\x2b\xfd\x2a\xbf\xda\xaf\xf1\x6b\xfd"
        "\x3a\xbf\xde\x6f\xf0\x1b\xfd\x26\xbf\xd9\x6f\xf1\x5b\xfd\x36\xbf\xdd"
        "\x7f\xee\x77\xf8\x9d\x7e\x97\xdf\xed\xf7\xf8\xbd\x7e\x9f\xff\xc2\xef"
        "\xf7\x5f\xfa\x03\xfe\x2b\x9f\xe3\xbf\xf6\x07\xfd\x5f\xfc\x21\xff\x8d"
        "\x3f\xec\xbf\xf5\xb9\xfe\x3b\x7f\xc4\x7f\xef\x8f\xfa\x1f\xfc\x31\xff"
        "\xa3\x3f\xee\x7f\xf2\x27\xfc\x49\x7f\xca\xff\xec\x4f\xfb\x5f\xfc\x19"
        "\x7f\xd6\x9f\xf3\xe7\xfd\x05\xff\xab\xbf\xe8\x2f\xf9\xcb\xfc\x3f\x6b"
        "\x8c\x31\xc6\x18\x63\xff\x2d\xea\x0f\x8e\x0f\xf8\x27\xdf\x93\x7f\x5b"
        "\x57\x0c\x14\x42\x5c\xbf\xb3\x58\xee\x7f\xac\xb9\xb9\xf0\x5f\xf7\x83"
        "\x65\x42\xe7\x88\x10\xe2\xb9\xfe\x3d\x1f\xfd\xb7\x55\xa7\x4e\x4a\x4a"
        "\xca\xdf\x1e\x9b\xad\x44\x50\x6a\xb1\x10\x22\x72\x35\x3f\x9f\xb8\x1a"
        "\xaf\x10\x9d\xc4\x33\x22\x59\x74\x14\x15\xfe\x69\x7f\x83\x65\xef\x0b"
        "\xf4\x07\xf5\xa3\x77\x0a\x11\xfb\x77\x39\x31\xe2\x6a\x7c\xb5\xfe\xed"
        "\xff\x49\xfd\x27\x9f\x1e\x9f\x59\x39\x3c\x17\xff\x5f\xd4\x5f\x2c\x44"
        "\x62\xa9\xab\x39\x05\xc4\xd5\xf8\x6a\xfd\x8a\xff\x49\xfd\x22\xed\xff"
        "\xa0\xff\x02\xdf\xa4\x09\xd1\xe1\xef\x72\xe2\xc4\xd5\xf8\x6a\xfd\x24"
        "\xf1\x94\x78\x5e\x24\xff\xc3\x23\x19\x63\x8c\x31\xc6\x18\x63\x8c\xb1"
        "\xbf\x1a\x2c\xab\x75\xff\xa3\xfb\xe7\x2b\xf7\xe7\x09\xfa\x6a\x4e\x7e"
        "\x71\x35\xfe\xa3\xfb\x73\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x5d\x7b"
        "\x2f\xf6\xee\xf3\xec\x93\xc9\xc9\x1d\xbb\xf3\x86\x37\xbc\xe1\xcd\xbf"
        "\x6f\xae\xf5\x5f\x26\xc6\x18\x63\x8c\x31\xc6\xd8\x9f\xed\xea\x45\xff"
        "\xb5\xee\x84\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63"
        "\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31"
        "\xc6\x18\x63\x8c\x31\xc6\x18\xcb\xbb\xfe\x7f\x7c\x9c\xd8\xb5\x3e\x47"
        "\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18"
        "\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c"
        "\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\x8c\x31\xc6\x18\x63\xec\x5a\xfb"
        "\x3f\x01\x00\x00\xff\xff\x48\xe7\x3c\x33",
        5365);
    syz_mount_image(
        /*fs=*/0x200000c0, /*dir=*/0x20001540,
        /*flags=MS_NOEXEC|MS_NODEV|MS_MANDLOCK|0x20000000*/ 0x2000004c,
        /*opts=*/0x200003c0, /*chdir=*/1, /*size=*/0x14f5, /*img=*/0x20001580);
    break;
  case 1:
    res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/0);
    if (res != -1)
      r[0] = res;
    break;
  case 2:
    res = syscall(__NR_socket, /*domain=AF_NETLINK*/ 0x10ul,
                  /*type=SOCK_NONBLOCK|SOCK_RAW*/ 0x803ul, /*proto=*/0);
    if (res != -1)
      r[1] = res;
    break;
  case 3:
    memcpy((void*)0x200001c0, "nl80211\000", 8);
    syz_genetlink_get_family_id(/*name=*/0x200001c0, /*fd=*/r[1]);
    break;
  case 4:
    *(uint32_t*)0x20000300 = 0x74;
    res = syscall(__NR_getsockname, /*fd=*/r[1], /*addr=*/0x20000600ul,
                  /*addrlen=*/0x20000300ul);
    if (res != -1)
      r[2] = *(uint32_t*)0x20000604;
    break;
  case 5:
    *(uint64_t*)0x20000240 = 0;
    *(uint32_t*)0x20000248 = 0xa00;
    *(uint64_t*)0x20000250 = 0x20000040;
    *(uint64_t*)0x20000040 = 0x20000100;
    *(uint32_t*)0x20000100 = 0x40;
    *(uint16_t*)0x20000104 = 0x10;
    *(uint16_t*)0x20000106 = 0xff1f;
    *(uint32_t*)0x20000108 = 0;
    *(uint32_t*)0x2000010c = 0;
    *(uint8_t*)0x20000110 = 0;
    *(uint8_t*)0x20000111 = 6;
    *(uint16_t*)0x20000112 = 0;
    *(uint32_t*)0x20000114 = 0;
    *(uint32_t*)0x20000118 = 0;
    *(uint32_t*)0x2000011c = 0;
    *(uint16_t*)0x20000120 = 0x18;
    STORE_BY_BITMASK(uint16_t, , 0x20000122, 0x12, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x20000123, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x20000123, 1, 7, 1);
    *(uint16_t*)0x20000124 = 0xe;
    *(uint16_t*)0x20000126 = 1;
    memcpy((void*)0x20000128, "wireguard\000", 10);
    *(uint16_t*)0x20000134 = 0xa502;
    STORE_BY_BITMASK(uint16_t, , 0x20000136, 2, 0, 14);
    STORE_BY_BITMASK(uint16_t, , 0x20000137, 0, 6, 1);
    STORE_BY_BITMASK(uint16_t, , 0x20000137, 1, 7, 1);
    *(uint16_t*)0x20000138 = 8;
    *(uint16_t*)0x2000013a = 0xa;
    *(uint32_t*)0x2000013c = r[2];
    *(uint64_t*)0x20000048 = 0x40;
    *(uint64_t*)0x20000258 = 1;
    *(uint64_t*)0x20000260 = 0;
    *(uint64_t*)0x20000268 = 0;
    *(uint32_t*)0x20000270 = 0;
    syscall(__NR_sendmsg, /*fd=*/r[0], /*msg=*/0x20000240ul, /*f=*/0ul);
    break;
  case 6:
    *(uint32_t*)0x20000340 = 2;
    *(uint32_t*)0x20000344 = 4;
    *(uint32_t*)0x20000348 = 8;
    *(uint32_t*)0x2000034c = 1;
    *(uint32_t*)0x20000350 = 0x80;
    *(uint32_t*)0x20000354 = -1;
    *(uint32_t*)0x20000358 = 0;
    memset((void*)0x2000035c, 0, 16);
    *(uint32_t*)0x2000036c = 0;
    *(uint32_t*)0x20000370 = -1;
    *(uint32_t*)0x20000374 = 0;
    *(uint32_t*)0x20000378 = 0;
    *(uint32_t*)0x2000037c = 0;
    *(uint64_t*)0x20000380 = 0;
    res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000340ul, /*size=*/0x48ul);
    if (res != -1)
      r[3] = res;
    break;
  case 7:
    *(uint32_t*)0x20000480 = r[3];
    syscall(__NR_bpf, /*cmd=*/0x16ul, /*arg=*/0x20000480ul, /*size=*/4ul);
    break;
  case 8:
    *(uint32_t*)0x200004c0 = 0x11;
    *(uint32_t*)0x200004c4 = 0x18;
    *(uint64_t*)0x200004c8 = 0x200001c0;
    memcpy((void*)0x200001c0,
           "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
           "\xb7\x08\x00\x00\x00\x00\x00\x00\x7b\x8a\xf8\xff\x00\x00\x00\x00"
           "\xb7\x08\x00\x00\x00\x00\x00\x00\x7b\x8a\xf0\xff\x00\x00\x00\x00"
           "\xbf\xa1\x00\x00\x00\x00\x00\x00\x07\x01\x00\x00\xf8\xff\xff\xff"
           "\xbf\xa4\x00\x00\x00\x00\x00\x00\x07\x04\x00\x00\xf0\xff\xff\xff"
           "\xb7\x02\x00\x00\x00\x00\x00\x00\x18\x23\x00\x00",
           92);
    *(uint32_t*)0x2000021c = r[3];
    memcpy((void*)0x20000220,
           "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x05\x00\x00\x00\x00\x00\x00"
           "\x85\x00\x00\x00\xa5\x00\x00\x00\x18\x01\x00\x00\x20\x20\x64\x05"
           "\x00\x00\x00\x00\x00\x20\x20\x20\x7b\x1a\xf8\xff\x00\x00\x00\x00"
           "\xbf\xa1\x00\x00\x00\x00\x00\x00\x07\x01\x00\x00\xf8\xff\xff\xff"
           "\xb7\x02\x00\x00\x08\x00\x00\x00\xb7\x03\x00\x00\x00\x00\x00\x00"
           "\xa5\x00\x00\x00\x08\x00\x00\x00\x95",
           89);
    *(uint64_t*)0x200004d0 = 0x20000040;
    memcpy((void*)0x20000040, "GPL\000", 4);
    *(uint32_t*)0x200004d8 = 0;
    *(uint32_t*)0x200004dc = 0;
    *(uint64_t*)0x200004e0 = 0;
    *(uint32_t*)0x200004e8 = 0;
    *(uint32_t*)0x200004ec = 0;
    memset((void*)0x200004f0, 0, 16);
    *(uint32_t*)0x20000500 = 0;
    *(uint32_t*)0x20000504 = 0;
    *(uint32_t*)0x20000508 = 0;
    *(uint32_t*)0x2000050c = 0;
    *(uint64_t*)0x20000510 = 0;
    *(uint32_t*)0x20000518 = 0;
    *(uint32_t*)0x2000051c = 0;
    *(uint64_t*)0x20000520 = 0;
    *(uint32_t*)0x20000528 = 0;
    *(uint32_t*)0x2000052c = 0;
    *(uint32_t*)0x20000530 = 0;
    *(uint32_t*)0x20000534 = 0;
    *(uint64_t*)0x20000538 = 0;
    *(uint64_t*)0x20000540 = 0;
    *(uint32_t*)0x20000548 = 0;
    *(uint32_t*)0x2000054c = 0;
    res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200004c0ul, /*size=*/0x90ul);
    if (res != -1)
      r[4] = res;
    break;
  case 9:
    *(uint64_t*)0x200001c0 = 0x20000000;
    memcpy((void*)0x20000000, "kfree\000", 6);
    *(uint32_t*)0x200001c8 = r[4];
    syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200001c0ul, /*size=*/0x10ul);
    break;
  case 10:
    *(uint32_t*)0x20000080 = 0x11;
    *(uint32_t*)0x20000084 = 8;
    *(uint64_t*)0x20000088 = 0x20000980;
    memcpy(
        (void*)0x20000980,
        "\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"
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        "\x71\xc5\xf9\x9b\x35\x5b\x72\xd5\x38\xba\x49\x58\xea\x8e\x4a\xa3\x70"
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        "\x81\xbd\x15\x17\xa8\x25\x0d\xdc\x86\x74\x15\x2f\x94\xe3\xa4\x09\xe2"
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        "\xbd\x1f\x08\xfb\x81\x91\xbb\xab\x2d\xc5\x1d\xe3\xa6\x1f\x08\x68\xaf"
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        "\x41\xf6\x1f\x2d\x5b\x30\x8c\xf0\xd0\x31\xb0\xc7\xf0\xce\xd6\x99\x93"
        "\xe9\x96\x0f\xf5\xf7\x60\x15\xe6\x00\x95\x56\x23\x7b\xad\xf4\xe7\x96"
        "\x5b\xbe\x27\x77\xe8\x08\xfc\xba\x82\x1a\xa8\xe8\xc5\xc3\x96\x09\xff"
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        "\x00\xc1\xfe\xe3\x0a\x3f\x7a\x85\xd1\xb2\x9e\x58\xc7\x76\x85\xef\xc0"
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        "\x97\x16\x9f\xc0\x3a\xa1\x88\x54\x6b\x3a\xd2\xa1\x82\x06\x8e\x1e\x3a"
        "\x0e\x25\x05\xbc\x7f\x41\x01\x96\x45\x46\x6a\x53\xf1\xc9\x6e\x0d\x4b"
        "\x3b\xc1\x9f\xaa\x54\x49\x20\x9b\x08\x3d\xbd\x33\x4b\x47\xf0\x67\xbb"
        "\xab\x40\x74\x3b\x2a\x42\x01\x00\x82\x00\x8d\xf7\x5c\xf4\x3f\x8e\xcc"
        "\x8d\x37\x26\x60\x21\x11\xb4\x0e\x76\x1f\xd2\x10\x81\x92\x03\x82\xf1"
        "\x4d\x12\xca\x3c\x34\x31\xee\x97\x47\x1c\x78\x68\xdc\xda\x7e\xaa\x69"
        "\xeb\x7f\x7f\x80\x57\x2f\xdd\x11\xbb\x1d\x0d\x12\x80\xfb\xc2\x2b\xf7"
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        "\x0b\x42\x8e\xe7\x51\xc4\x7d\x8e\x89\x4f\x74\x5a\x86\x84\x04\xa0\xbf"
        "\x35\xf0\x12\x10\x08\xb7\x22\xb1\xea\xa6\xae\xdf\xa1\xbf\x2e\x7c\xcb"
        "\x2d\x61\xd5\xd7\x63\x31\x94\x5e\xce\xfa\x26\xb8\x47\x1d\x42\x64\x52"
        "\x88\xd7\x22\x6b\xbd\x9c\xcd\x62\x8a\xb8\x48\x75\xf2\xc5\x0b\xa8\x91"
        "\xce\xa5\x92\xb0\x43\x0a\x53\x7a\x39\x5d\xc7\x3b\xda\x36\x7b\xf1\x2c"
        "\xb7\xd8\x16\x91\xa5\xfe\x8c\x47\xbe\x39\x56\x56\xa2\x97\xe9\xdf\x0e"
        "\x71\xf9\x67\x56\xea\x5c\xce\x7d\xaa\xc4\xbe\x29\x01\x59\xf6\xbc\xd7"
        "\x5f\x0d\xda\x9d\xe5\x53\x2e\x71\xae\x9e\x48\xb0\xed\x02\x54\xa8\x31"
        "\x00\x00\x00\x00\xf6\xfb\xb8\x69\x60\x4d\x51\xa3\x6a\x54\xc8\x32\xe4"
        "\x5b\x25\x69\xdc\x0d\x90\xb0\x75\x22\x5f\xde\x44\xc4\xe0\x97\x31\x71"
        "\xad\x47\xd6\xb0\xfd\xf9\x74\x3a\xf9\x32\xcd\x6d\xb4\x9a\x47\x61\x38"
        "\x08\xba\xd9\x59\x71\x03\x00\x00\x00\x00\x00\x00\x00\x83\x2d\x0a\x45"
        "\xfa\x42\x42\xe2\x4c\x7e\x80\x00\x03\xc9\xe8\x09\x5e\x02\x98\x5f\x28"
        "\xe6\x78\xf6\x64\x22\x43\x6f\x94\x9e\x2a\xb8\xf1\x62\xd7\xe3\xf8\x55"
        "\xe3\x78\xf4\xa1\xf4\x0b\x0c\x6f\xb2\xd4\xb2\x05\xa8\x00\xb6\xd7\x13"
        "\xac\xeb\xc5\xb0\x14\xe6\x1a\x54\x3a\x5a\x19\x4f\x9a\xc1\x8d\x76\xb5"
        "\x44\x0e\x3b\x1a\x56\x9e\x73\x97\xf6\xca\xfa\x86\x96\x6d\x7b\xa1\x9e"
        "\x72\x04\x13\x26\x7a\x6c\xce\xa9\xc4\x39\x67\x1d\x2c\x68\x0f\x27\x53"
        "\xca\x18\x4e\xee\xb8\x43\x45\x03\x68\xac\xb4\x38\x3a\x01\xd2\x5e\xb3"
        "\xd1\xe2\x3e\x0f\x26\x45\xd1\xcd\xfa\x9f\xa4\x10\x63\x2f\x95\xa5\xf6"
        "\x22\xf8\x51\xc6\x6e\xe7\xe3\x03\x93\xcd\x7a\x4d\x67\xff\x2a\x49\xc4"
        "\xf9\x3c\x09\x84\xb5\xc2\xd4\x52\x34\x97\xe4\xd6\x4f\x95\xf0\x84\x93"
        "\x56\x4a\x1d\xf8\x71\x11\xc9\xbf\x31\x94\xfe\xf9\x7d\xce\xcc\x46\x7a"
        "\xce\x45\xfe\xeb\x68\x5c\x58\x70\xd0\x5f\x88\xa0\xf4\x63\xdb\x88\xd3"
        "\x77\x44\x2e\x13\x49\xac\xaf\x76\x62\x18\xb5\x4a\x9d\x62\x47\x78\xe1"
        "\xc4\xe0\x64\xc9\x8e\x49\x41\x98\x27\x6e\xb2\xdf\x77\x66\x41\x1b\xef"
        "\x0e\xbb\x50\x00\x00\x00\x00\x00\x60\x65\xd6\x35\xb0\xb7\xa0\x0e\xe7"
        "\x67\x22\x1d\x8a\xf9\x75\x33\x87\xe0\xcd\x8d\x71\x8f\x54\xa2\x9d\xf6"
        "\xeb\xa3\xbd\x4c\x44\x0e\x6e\x21\x72\xe3\xfc\xc0\x1b\x8b\xab\xb7\x57"
        "\xb5\xc5\x92\x17\xb8\x0d\x0d\xb3\xba\x58\x28\x14\xa6\x04\xe4\xef\x7a"
        "\x80\x3e\x9c\xa7\xc8\x5b\x35\xc9\xb9\x3a\x9e\x08\x85\xe2\x38\xb4\x4a"
        "\xe1\xc2\xe6\x4c\xce\x3b\x27\x08\x3b\x82\x46\x82\x9e\x64\x05\x60\x00"
        "\x30\x2b\xff\xff\x15\x40\x5b\xd5\xf2\xeb\xa2\x00\x00\x00\x00\x00\x00"
        "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9a\x98\x23\xfd\x8f"
        "\xbc\x5a\xa1\x65\x09\x9c\x5e\xd0\x32\xb4\x8e\xa1\x2d\x8e\x05\x88\xdc"
        "\x52\x70\x2e\x40\x84\x91\x3a\x06\xd4\x68\xd0\x92\x8b\xad\x76\xd6\x97"
        "\xe1\xf8\x5a\xb0\x30\xe7\x88\xd3\x87\x88\xee\x5b\x54\x28\xd4\xa9\x71"
        "\xcc\x97\xdb\x9f\xd2\x31\x08\x8e\x57\x07\x35\xce\x12\x9e\x7e\x77\xfc"
        "\x27\x77\x69\x26\x64\xa1\x48\x8f\xd8\xd6\xdf\xf4\xda\xd6\x18\xfd\x54"
        "\xf5\x29\xd4\x55\x5c\x65\x07\x00\x9e\xe6\x9d\xd1\xbc\x55\x25\x87\x89"
        "\xb2\x40\x52\x13\x7e\x96\x37\xf3\xef\xba\xb7\x17\x20\xf8\x8c\x3c\x44"
        "\xb3\xb7\x48\x6f\x97\x9e\x8a\x31\x74\xb5\x31\xf5\x73\xfe\x0e\x52\x39"
        "\xc0\x00\xbe\x27\x33\xc4\x95\x46\xf6\xe8\xa9\x17\x5e\xc6\xf1\x4d\xbf"
        "\x72\xca\xc9\x16\x43\xb2\xfd\x99\xc2\x9e\xca\x28\xa3\xc2\xe6\x0d\x5e"
        "\x5b\x87\x95\xfa\xe1\x6a\x7c\x3e\xa5\x7e\x72\x8e\xca\x35\xea\xf0\x15"
        "\x5a\x39\xf9\x75\x80\xe0\x79\x17\x54\x26\xc0\x88\xa0\x20\x80\x40\x98"
        "\x2a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x51\xce\xaa"
        "\xf0\x15\x9f\xe6\x1f\x2e\xad\xe7\x60\x3d\x0a\x7a\x56\xfb\x09\xcd\x11"
        "\x9a\xc0\x6a\xdb\x65\x97\x15\x5a\xe4\x78\x46\x89\x2b\xb4\x23\xc0\x24"
        "\xd8\xcb\xe9\x24\x0b\x71\xec\x6d\xc2\x12\x4d\x3a\x19\xe2\xd7\x14\xb2"
        "\x73\xd9\x5d\x1d\x3a\xa7\x37\xcb\x04\xa3\x36\x15\xff\x2a\x73\x0e\x51"
        "\x06\x7d\x5d\x67\x5d\x71\x22\x36\x1c\x37\xc6\x1a\x43\xb5\xaf\xd8\x65"
        "\xb6\x0d\x4c\xae\x89\x1b\x73\x22\x0f\x17\xd2\x59\x85\xa7\xf7\x68\x34"
        "\x99\x5e\x53\xa9\x3a\x1c\x7b\x9e\xef\x26\x7d\xf6\x91\xca\x98\x3a\x0b"
        "\x15\xbd\xa7\xf6\xc5\xc1\xca\x7a\xa5\x02\x61\xa3\x08\x9a\x1e\xbf\x07"
        "\x34\xc9\xb0\x7e\x89\x51\xff\x02\x32\x63\xad\x5a\xed\x8c\xfb\x49\xb4"
        "\x9e\x12\x8c\x69\x77\x24\xc0\x57\xd2\x2c\x5d\xf5\xae\xf2\x7c\xe3\xdb"
        "\x11\xd5\xad\x55\x27\xd1\x49\xd0\x76\xe1\xa8\x7e\x2d\xf2\x7c\x0c\xb8"
        "\xa6\x7a\xd0\x26\xbf\x95\x3e\x88\xf1\x04\x47\xe1\x25\xc2\xc0\xf1\xae"
        "\xbe\xe1\xf3\x39\x0a\x9e\x3d\xda\xd4\xe2\xa6\xe0\xf6\xe4\x56\x9f\xde"
        "\xfa\x19\xe8\x70\xe0\x4a\xcf\x94\x93\xb9\x63\xf9\x8e\x23\xcf\xc6\x65"
        "\xe4\xf4\x65\xfa\x3f\x80\x1e\x19\x57\xc3\x99\xe4\x5f\x61\xd3\x45\x9b"
        "\x1c\x60\x62\x04\x36\x8b\xb9\x31\x34\x5a\xf2\x82\x3c\x48\x7d\x2f\xd9"
        "\x9d\xb6\xea\x6e\x00\x8e\x7f\xfa\x06\xca\x86\x15\x51\x18\x9d\x15\x5b"
        "\xd0\x77\xa7\x9f\xe2\xc7\xe9\x61\x35\x2e\x56\x82\x4f\x72\x7d\x21\xd4"
        "\x1e\xae\x78\xbf\xb7\xe1\x2d\x7a\x7e\xdb\xc8\xef\x95\x8c\x5e\xa5\x99"
        "\xf7\xc2\x5b\xf7\x1c\x23\x40\x55\x8a\xa1\x2f\xdd\x24\xa8\x8a\xaa\xd5"
        "\x92\x1a\xee\x7d\xae\x6a\x2f\x30\x09\xd9\xcb\x43\xab\x48\x98\xd0\xf0"
        "\xaa\x56\x54\x31\xb6\xab\xe5\x85\xd7\x5d\xb0\x4d\x1c\x9b\xa0\xb9\xde"
        "\x4a\xe8\xb0\xd3\x13\x2b\xc6\x81\x0c\xc9\xa6\x93\x97\x9f\x55\x17\x4a"
        "\x72\xe1\xdf\x9f\xde\xf3\x5b\xc4\x70\xf9\xe6\xe5\x91\x98\x27\x57\xf4"
        "\x5c\x52\xc6\x45\xd8\x91\xbf\x63\xbb\x21\xfb\x66\x92\x6e\xbe\x1a\x85"
        "\x25\x61\x1f\xc3\xe8\xbb\x87\x95\xc3\x6d\xc2\xa8\x6b\x5a\xb4\x6f\xf3"
        "\x3c\xc7\x4f\x61\x75\x1b\x2d\xae\x92\x67\x6d\xb8\x5c\x8d\x0c\x72\x1b"
        "\x7e\xa4\x54\x4b\xf5\x1c\x95\xc8\x6f\xca\xc1\xf4\x34\xd0\x9d\x1e\xe4"
        "\x92\x8a\xaf\xe2\x3d\xe6\x6f\xed\x97\x2e\x0d\xdd\xfb\x33\xf6\x4e\x48"
        "\x70\x1b\x04\x92\x39\xe7\xf5\x52\xd8\x16\x44\x1d\x11\xc4\xc2\x64\x7c"
        "\x01\x44\x62\x34\x43\x59\x19\x8d\x97\xc4\xb6\xe9\xed\x31\xca\x18\x98"
        "\x7b\x64\xde\x07\x9b\x2b\xed\x64\x1e\x8a\x92\xf1\x3c\xa3\x08\x44\xc6"
        "\x5c\xb4\x23\xd0\x19\x50\xb0\xeb\xf4\x4b\xd2\x8e\x09\xc0\x5d\x9a\xe5"
        "\xdd\x68\x9f\xb8\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\xec\x92\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\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",
        3604);
    *(uint64_t*)0x20000090 = 0x20000380;
    memcpy((void*)0x20000380, "GPL\000", 4);
    *(uint32_t*)0x20000098 = 0;
    *(uint32_t*)0x2000009c = 0;
    *(uint64_t*)0x200000a0 = 0;
    *(uint32_t*)0x200000a8 = 0;
    *(uint32_t*)0x200000ac = 0;
    memset((void*)0x200000b0, 0, 16);
    *(uint32_t*)0x200000c0 = 0;
    *(uint32_t*)0x200000c4 = 0;
    *(uint32_t*)0x200000c8 = -1;
    *(uint32_t*)0x200000cc = 8;
    *(uint64_t*)0x200000d0 = 0x20000000;
    *(uint32_t*)0x20000000 = 0;
    *(uint32_t*)0x20000004 = 0;
    *(uint32_t*)0x200000d8 = 8;
    *(uint32_t*)0x200000dc = 0x10;
    *(uint64_t*)0x200000e0 = 0x20000000;
    *(uint32_t*)0x20000000 = 0;
    *(uint32_t*)0x20000004 = 0;
    *(uint32_t*)0x20000008 = 0;
    *(uint32_t*)0x2000000c = 0;
    *(uint32_t*)0x200000e8 = 0x10;
    *(uint32_t*)0x200000ec = 0;
    *(uint32_t*)0x200000f0 = -1;
    *(uint32_t*)0x200000f4 = 0;
    *(uint64_t*)0x200000f8 = 0;
    *(uint64_t*)0x20000100 = 0;
    *(uint32_t*)0x20000108 = 0x10;
    *(uint32_t*)0x2000010c = 0;
    res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000080ul, /*size=*/0x2eul);
    if (res != -1)
      r[5] = res;
    break;
  case 11:
    *(uint64_t*)0x20000180 = 0x20000540;
    memcpy((void*)0x20000540, "rcu_utilization\000", 16);
    *(uint32_t*)0x20000188 = r[5];
    syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000180ul, /*size=*/0x10ul);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}