// https://syzkaller.appspot.com/bug?id=2fee650ad5556cef0890b93d78bcc147553a8b67
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#ifndef __NR_bpf
#define __NR_bpf 321
#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;
}

#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))))

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

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

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    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[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  *(uint32_t*)0x200009c0 = 5;
  *(uint32_t*)0x200009c4 = 4;
  *(uint32_t*)0x200009c8 = 8;
  *(uint32_t*)0x200009cc = 8;
  *(uint32_t*)0x200009d0 = 0;
  *(uint32_t*)0x200009d4 = -1;
  *(uint32_t*)0x200009d8 = 0;
  memset((void*)0x200009dc, 0, 16);
  *(uint32_t*)0x200009ec = 0;
  *(uint32_t*)0x200009f0 = -1;
  *(uint32_t*)0x200009f4 = 0;
  *(uint32_t*)0x200009f8 = 0;
  *(uint32_t*)0x200009fc = 0;
  *(uint64_t*)0x20000a00 = 0;
  res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200009c0ul, /*size=*/0x48ul);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x200000c0 = 0x11;
  *(uint32_t*)0x200000c4 = 0xd;
  *(uint64_t*)0x200000c8 = 0x20001bc0;
  *(uint8_t*)0x20001bc0 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x20001bc1, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001bc1, 0, 4, 4);
  *(uint16_t*)0x20001bc2 = 0;
  *(uint32_t*)0x20001bc4 = 0;
  *(uint8_t*)0x20001bc8 = 0;
  *(uint8_t*)0x20001bc9 = 0;
  *(uint16_t*)0x20001bca = 0;
  *(uint32_t*)0x20001bcc = 0;
  *(uint8_t*)0x20001bd0 = 0x85;
  *(uint8_t*)0x20001bd1 = 0;
  *(uint16_t*)0x20001bd2 = 0;
  *(uint32_t*)0x20001bd4 = 0x50;
  *(uint8_t*)0x20001bd8 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x20001bd9, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001bd9, 1, 4, 4);
  *(uint16_t*)0x20001bda = 0;
  *(uint32_t*)0x20001bdc = r[0];
  *(uint8_t*)0x20001be0 = 0;
  *(uint8_t*)0x20001be1 = 0;
  *(uint16_t*)0x20001be2 = 0;
  *(uint32_t*)0x20001be4 = 0;
  STORE_BY_BITMASK(uint8_t, , 0x20001be8, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20001be8, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20001be8, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001be9, 8, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001be9, 0, 4, 4);
  *(uint16_t*)0x20001bea = 0;
  *(uint32_t*)0x20001bec = 0;
  STORE_BY_BITMASK(uint8_t, , 0x20001bf0, 3, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf0, 3, 3, 2);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf0, 3, 5, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf1, 0xa, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf1, 8, 4, 4);
  *(uint16_t*)0x20001bf2 = 0xfff8;
  *(uint32_t*)0x20001bf4 = 0;
  STORE_BY_BITMASK(uint8_t, , 0x20001bf8, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf8, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf8, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf9, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001bf9, 0xa, 4, 4);
  *(uint16_t*)0x20001bfa = 0;
  *(uint32_t*)0x20001bfc = 0;
  STORE_BY_BITMASK(uint8_t, , 0x20001c00, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20001c00, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20001c00, 0, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001c01, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001c01, 0, 4, 4);
  *(uint16_t*)0x20001c02 = 0;
  *(uint32_t*)0x20001c04 = 0xfffffff8;
  STORE_BY_BITMASK(uint8_t, , 0x20001c08, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20001c08, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20001c08, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001c09, 3, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001c09, 0, 4, 4);
  *(uint16_t*)0x20001c0a = 0;
  *(uint32_t*)0x20001c0c = 8;
  STORE_BY_BITMASK(uint8_t, , 0x20001c10, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20001c10, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20001c10, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001c11, 4, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20001c11, 0, 4, 4);
  *(uint16_t*)0x20001c12 = 0;
  *(uint32_t*)0x20001c14 = 0;
  *(uint8_t*)0x20001c18 = 0x85;
  *(uint8_t*)0x20001c19 = 0;
  *(uint16_t*)0x20001c1a = 0;
  *(uint32_t*)0x20001c1c = 3;
  *(uint8_t*)0x20001c20 = 0x95;
  *(uint8_t*)0x20001c21 = 0;
  *(uint16_t*)0x20001c22 = 0;
  *(uint32_t*)0x20001c24 = 0;
  *(uint64_t*)0x200000d0 = 0x20001b80;
  memcpy((void*)0x20001b80, "syzkaller\000", 10);
  *(uint32_t*)0x200000d8 = 0;
  *(uint32_t*)0x200000dc = 0;
  *(uint64_t*)0x200000e0 = 0;
  *(uint32_t*)0x200000e8 = 0;
  *(uint32_t*)0x200000ec = 0;
  memset((void*)0x200000f0, 0, 16);
  *(uint32_t*)0x20000100 = 0;
  *(uint32_t*)0x20000104 = 0;
  *(uint32_t*)0x20000108 = -1;
  *(uint32_t*)0x2000010c = 0;
  *(uint64_t*)0x20000110 = 0;
  *(uint32_t*)0x20000118 = 0;
  *(uint32_t*)0x2000011c = 0;
  *(uint64_t*)0x20000120 = 0;
  *(uint32_t*)0x20000128 = 0;
  *(uint32_t*)0x2000012c = 0;
  *(uint32_t*)0x20000130 = 0;
  *(uint32_t*)0x20000134 = 0;
  *(uint64_t*)0x20000138 = 0;
  *(uint64_t*)0x20000140 = 0;
  *(uint32_t*)0x20000148 = 0;
  *(uint32_t*)0x2000014c = 0;
  res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000c0ul, /*size=*/0x90ul);
  if (res != -1)
    r[1] = res;
  *(uint64_t*)0x200001c0 = 0x20000080;
  memcpy((void*)0x20000080, "kfree\000", 6);
  *(uint32_t*)0x200001c8 = r[1];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200001c0ul, /*size=*/0x10ul);
  syscall(__NR_bpf, /*cmd=*/0xful, /*arg=*/0ul, /*size=*/0ul);
  syscall(__NR_bpf, /*cmd=*/0x13ul, /*arg=*/0ul, /*size=*/0ul);
  *(uint32_t*)0x200003c0 = 2;
  *(uint32_t*)0x200003c4 = 0x80;
  *(uint8_t*)0x200003c8 = 0x29;
  *(uint8_t*)0x200003c9 = 1;
  *(uint8_t*)0x200003ca = 0;
  *(uint8_t*)0x200003cb = 0;
  *(uint32_t*)0x200003cc = 0;
  *(uint64_t*)0x200003d0 = 0;
  *(uint64_t*)0x200003d8 = 0;
  *(uint64_t*)0x200003e0 = 0;
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 1, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 2, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 3, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 8, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 11, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 13, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 15, 2);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 24, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 26, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 27, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 28, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 29, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 30, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 31, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 32, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 33, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 34, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 35, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 36, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 37, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200003e8, 0, 38, 26);
  *(uint32_t*)0x200003f0 = 0;
  *(uint32_t*)0x200003f4 = 0;
  *(uint64_t*)0x200003f8 = 0;
  *(uint64_t*)0x20000400 = 0;
  *(uint64_t*)0x20000408 = 0;
  *(uint64_t*)0x20000410 = 0;
  *(uint32_t*)0x20000418 = 0;
  *(uint32_t*)0x2000041c = 0;
  *(uint64_t*)0x20000420 = 0;
  *(uint32_t*)0x20000428 = 0;
  *(uint16_t*)0x2000042c = 0;
  *(uint16_t*)0x2000042e = 0;
  *(uint32_t*)0x20000430 = 0;
  *(uint32_t*)0x20000434 = 0;
  *(uint64_t*)0x20000438 = 0;
  res = syscall(__NR_perf_event_open, /*attr=*/0x200003c0ul, /*pid=*/0,
                /*cpu=*/0ul, /*group=*/-1, /*flags=*/0ul);
  if (res != -1)
    r[2] = res;
  syscall(__NR_ioctl, /*fd=*/r[2], /*cmd=*/0x40042408, /*prog=*/-1);
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x40042408, /*prog=*/-1);
  *(uint32_t*)0x20000340 = -1;
  *(uint32_t*)0x20000344 = 0;
  *(uint64_t*)0x20000348 = 0;
  syscall(__NR_bpf, /*cmd=*/0xful, /*arg=*/0x20000340ul, /*size=*/0x10ul);
  *(uint32_t*)0x20000740 = 3;
  *(uint32_t*)0x20000744 = 4;
  *(uint32_t*)0x20000748 = 4;
  *(uint32_t*)0x2000074c = 0xa;
  *(uint32_t*)0x20000750 = 0;
  *(uint32_t*)0x20000754 = 0;
  *(uint32_t*)0x20000758 = 0;
  memset((void*)0x2000075c, 0, 16);
  *(uint32_t*)0x2000076c = 0;
  *(uint32_t*)0x20000770 = 0;
  *(uint32_t*)0x20000774 = 0;
  *(uint32_t*)0x20000778 = 0;
  *(uint32_t*)0x2000077c = 0;
  *(uint64_t*)0x20000780 = 0;
  syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000740ul, /*size=*/0x48ul);
  syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0ul, /*size=*/0ul);
  memcpy((void*)0x20000240, "cgroup.controllers\000", 19);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000240ul,
          /*flags=*/0x26e1ul, /*mode=*/0ul);
  *(uint32_t*)0x20000100 = 1;
  *(uint32_t*)0x20000104 = 0x80;
  *(uint8_t*)0x20000108 = 0;
  *(uint8_t*)0x20000109 = 0;
  *(uint8_t*)0x2000010a = 0;
  *(uint8_t*)0x2000010b = 0;
  *(uint32_t*)0x2000010c = 0;
  *(uint64_t*)0x20000110 = 0x3c43;
  *(uint64_t*)0x20000118 = 0;
  *(uint64_t*)0x20000120 = 0;
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 1, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 2, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 3, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 8, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 11, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 13, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 15, 2);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 24, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 26, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 27, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 28, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 29, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 30, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 31, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 32, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 33, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 34, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 35, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 36, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 37, 1);
  STORE_BY_BITMASK(uint64_t, , 0x20000128, 0, 38, 26);
  *(uint32_t*)0x20000130 = 0;
  *(uint32_t*)0x20000134 = 0;
  *(uint64_t*)0x20000138 = 0;
  *(uint64_t*)0x20000140 = 6;
  *(uint64_t*)0x20000148 = 0;
  *(uint64_t*)0x20000150 = 1;
  *(uint32_t*)0x20000158 = 0;
  *(uint32_t*)0x2000015c = 0;
  *(uint64_t*)0x20000160 = 0;
  *(uint32_t*)0x20000168 = 4;
  *(uint16_t*)0x2000016c = 0;
  *(uint16_t*)0x2000016e = 0;
  *(uint32_t*)0x20000170 = 0;
  *(uint32_t*)0x20000174 = 0;
  *(uint64_t*)0x20000178 = 0;
  syscall(__NR_perf_event_open, /*attr=*/0x20000100ul, /*pid=*/0, /*cpu=*/-1,
          /*group=*/-1, /*flags=*/0ul);
  res = syscall(__NR_socket, /*domain=*/2ul, /*type=SOCK_DGRAM|0x1*/ 3ul,
                /*proto=*/2);
  if (res != -1)
    r[3] = res;
  syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0x8923, /*arg=*/0ul);
  syscall(__NR_ioctl, /*fd=*/r[3], /*cmd=*/0x89e2, /*arg=*/0ul);
  syscall(__NR_perf_event_open, /*attr=*/0ul, /*pid=*/0, /*cpu=*/2ul,
          /*group=*/-1, /*flags=*/0ul);
  syscall(__NR_recvmsg, /*fd=*/-1, /*msg=*/0ul, /*f=MSG_DONTWAIT*/ 0x40ul, 0);
  *(uint32_t*)0x20001080 = 1;
  *(uint32_t*)0x20001084 = 0x17;
  *(uint64_t*)0x20001088 = 0;
  *(uint64_t*)0x20001090 = 0;
  *(uint32_t*)0x20001098 = 5;
  *(uint32_t*)0x2000109c = 0;
  *(uint64_t*)0x200010a0 = 0;
  *(uint32_t*)0x200010a8 = 0x41100;
  *(uint32_t*)0x200010ac = 0x40;
  memset((void*)0x200010b0, 0, 16);
  *(uint32_t*)0x200010c0 = 0;
  *(uint32_t*)0x200010c4 = 0x1a;
  *(uint32_t*)0x200010c8 = -1;
  *(uint32_t*)0x200010cc = 8;
  *(uint64_t*)0x200010d0 = 0;
  *(uint32_t*)0x200010d8 = 0;
  *(uint32_t*)0x200010dc = 0x10;
  *(uint64_t*)0x200010e0 = 0;
  *(uint32_t*)0x200010e8 = 0;
  *(uint32_t*)0x200010ec = 0;
  *(uint32_t*)0x200010f0 = -1;
  *(uint32_t*)0x200010f4 = 2;
  *(uint64_t*)0x200010f8 = 0;
  *(uint64_t*)0x20001100 = 0x20001040;
  *(uint32_t*)0x20001040 = 3;
  *(uint32_t*)0x20001044 = 4;
  *(uint32_t*)0x20001048 = 0xd;
  *(uint32_t*)0x2000104c = 8;
  *(uint32_t*)0x20001050 = 3;
  *(uint32_t*)0x20001054 = 3;
  *(uint32_t*)0x20001058 = 5;
  *(uint32_t*)0x2000105c = 0xb;
  *(uint32_t*)0x20001108 = 0x10;
  *(uint32_t*)0x2000110c = 0xf;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20001080ul, /*size=*/0x90ul);
}
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;
}