// https://syzkaller.appspot.com/bug?id=f10ee477162a6f234fa4fc7120fa57a4586533c8
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <sched.h>
#include <signal.h>
#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <sys/stat.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>

#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;
}

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;
}

#define MAX_FDS 30

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

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

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 128 << 20;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  setup_common();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  setup_binderfs();
  loop();
  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_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
  write_file("/proc/self/oom_score_adj", "1000");
}

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

static void setup_binfmt_misc()
{
  if (mount(0, "/proc/sys/fs/binfmt_misc", "binfmt_misc", 0, 0)) {
  }
  write_file("/proc/sys/fs/binfmt_misc/register", ":syz0:M:0:\x01::./file0:");
  write_file("/proc/sys/fs/binfmt_misc/register",
             ":syz1:M:1:\x02::./file0:POC");
}

static void 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();
      close_fds();
      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[9] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  *(uint32_t*)0x200009c0 = 0xe;
  *(uint32_t*)0x200009c4 = 1;
  *(uint32_t*)0x200009c8 = 6;
  *(uint32_t*)0x200009cc = 0x1000;
  *(uint32_t*)0x200009d0 = 0x40;
  *(uint32_t*)0x200009d4 = -1;
  *(uint32_t*)0x200009d8 = 0x7f9;
  memset((void*)0x200009dc, 0, 16);
  *(uint32_t*)0x200009ec = 0;
  *(uint32_t*)0x200009f0 = -1;
  *(uint32_t*)0x200009f4 = 4;
  *(uint32_t*)0x200009f8 = 0;
  *(uint32_t*)0x200009fc = 4;
  *(uint64_t*)0x20000a00 = 0;
  syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200009c0ul, /*size=*/0x48ul);
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  *(uint64_t*)0x20000280 = 0x200001c0;
  memcpy((void*)0x200001c0, "ext4_da_reserve_space\000", 22);
  *(uint32_t*)0x20000288 = -1;
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000280ul, /*size=*/0x10ul);
  memcpy((void*)0x20000140, "blkio.throttle.io_service_bytes\000", 32);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000140ul,
          /*flags=*/0x275aul, /*mode=*/0ul);
  syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0ul, /*size=*/0ul);
  *(uint32_t*)0x200000c0 = 0x11;
  *(uint32_t*)0x200000c4 = 0xb;
  *(uint64_t*)0x200000c8 = 0;
  *(uint64_t*)0x200000d0 = 0x20000200;
  memcpy((void*)0x20000200, "GPL\000", 4);
  *(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 = 0;
  *(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[0] = res;
  *(uint64_t*)0x20000540 = 0x20000000;
  memcpy((void*)0x20000000, "kfree\000", 6);
  *(uint32_t*)0x20000548 = r[0];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000540ul, /*size=*/0x10ul);
  syscall(__NR_socket, /*domain=*/2ul, /*type=*/2ul, /*proto=*/0);
  *(uint32_t*)0x200009c0 = 5;
  *(uint32_t*)0x200009c4 = 1;
  *(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[1] = res;
  *(uint32_t*)0x200000c0 = 0x11;
  *(uint32_t*)0x200000c4 = 0xc;
  *(uint64_t*)0x200000c8 = 0x20000180;
  memcpy((void*)0x20000180,
         "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x11\x00\x00",
         20);
  *(uint32_t*)0x20000194 = r[1];
  memcpy((void*)0x20000198,
         "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x08\x00\x00\x00\x00\x00\x00\x7b"
         "\x8a\xf8\xff\x00\x00\x00\x00\xbf\xa2\x00\x00\x00\x00\x00\x00\x07\x02"
         "\x00\x00\xf8\xff\xff\xff\xb7\x03\x00\x00\x08\x00\x00\x00\xb7\x04\x00"
         "\x00\x00\x00\x00\x00\x85\x00\x00\x00\x01\x00\x00\x00\x95",
         65);
  *(uint64_t*)0x200000d0 = 0x20000240;
  memcpy((void*)0x20000240, "GPL\000", 4);
  *(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;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000c0ul, /*size=*/0x90ul);
  *(uint32_t*)0x20000580 = r[1];
  *(uint64_t*)0x20000588 = 0x20000500;
  *(uint32_t*)0x20000500 = 0;
  *(uint64_t*)0x20000590 = 0x20000540;
  *(uint32_t*)0x20000540 = -1;
  *(uint64_t*)0x20000598 = 0;
  syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x20000580ul, /*size=*/0x20ul);
  *(uint32_t*)0x200001c0 = 0;
  res = syscall(__NR_bpf, /*cmd=*/0x13ul, /*arg=*/0x200001c0ul, /*size=*/4ul);
  if (res != -1)
    r[2] = res;
  *(uint32_t*)0x20000600 = 0x20;
  *(uint32_t*)0x20000604 = 0xf;
  *(uint64_t*)0x20000608 = 0;
  *(uint64_t*)0x20000610 = 0x20000180;
  memcpy((void*)0x20000180, "syzkaller\000", 10);
  *(uint32_t*)0x20000618 = 0x100;
  *(uint32_t*)0x2000061c = 0x1000;
  *(uint64_t*)0x20000620 = 0x20000a40;
  *(uint32_t*)0x20000628 = 0x40f00;
  *(uint32_t*)0x2000062c = 0x40;
  memset((void*)0x20000630, 0, 16);
  *(uint32_t*)0x20000640 = 0;
  *(uint32_t*)0x20000644 = 5;
  *(uint32_t*)0x20000648 = r[2];
  *(uint32_t*)0x2000064c = 8;
  *(uint64_t*)0x20000650 = 0x20000300;
  *(uint32_t*)0x20000300 = 0xa;
  *(uint32_t*)0x20000304 = 4;
  *(uint32_t*)0x20000658 = 8;
  *(uint32_t*)0x2000065c = 0x10;
  *(uint64_t*)0x20000660 = 0x20000340;
  *(uint32_t*)0x20000340 = 2;
  *(uint32_t*)0x20000344 = 0xd;
  *(uint32_t*)0x20000348 = 2;
  *(uint32_t*)0x2000034c = -1;
  *(uint32_t*)0x20000668 = 0x10;
  *(uint32_t*)0x2000066c = 0;
  *(uint32_t*)0x20000670 = r[0];
  *(uint32_t*)0x20000674 = 6;
  *(uint64_t*)0x20000678 = 0;
  *(uint64_t*)0x20000680 = 0x20000580;
  *(uint32_t*)0x20000580 = 5;
  *(uint32_t*)0x20000584 = 5;
  *(uint32_t*)0x20000588 = 0xd;
  *(uint32_t*)0x2000058c = 0;
  *(uint32_t*)0x20000590 = 2;
  *(uint32_t*)0x20000594 = 4;
  *(uint32_t*)0x20000598 = 9;
  *(uint32_t*)0x2000059c = 7;
  *(uint32_t*)0x200005a0 = 4;
  *(uint32_t*)0x200005a4 = 5;
  *(uint32_t*)0x200005a8 = 9;
  *(uint32_t*)0x200005ac = 6;
  *(uint32_t*)0x200005b0 = 5;
  *(uint32_t*)0x200005b4 = 2;
  *(uint32_t*)0x200005b8 = 7;
  *(uint32_t*)0x200005bc = 6;
  *(uint32_t*)0x200005c0 = 2;
  *(uint32_t*)0x200005c4 = 1;
  *(uint32_t*)0x200005c8 = 0xd;
  *(uint32_t*)0x200005cc = 3;
  *(uint32_t*)0x200005d0 = 3;
  *(uint32_t*)0x200005d4 = 5;
  *(uint32_t*)0x200005d8 = 0xf;
  *(uint32_t*)0x200005dc = 2;
  *(uint32_t*)0x20000688 = 0x10;
  *(uint32_t*)0x2000068c = 0xfffffffd;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000600ul, /*size=*/0x90ul);
  syscall(__NR_clock_gettime, /*id=*/0ul, /*tp=*/0ul);
  syscall(__NR_wait4, /*pid=*/0, /*status=*/0ul,
          /*options=__WNOTHREAD|__WALL|WCONTINUED*/ 0x60000008ul, /*ru=*/0ul);
  res = syscall(__NR_socket, /*domain=*/0xaul,
                /*type=SOCK_DGRAM|0x800000000000000*/ 0x800000000000002ul,
                /*proto=*/0);
  if (res != -1)
    r[3] = res;
  *(uint32_t*)0x20000200 = 0x11;
  *(uint32_t*)0x20000204 = 5;
  *(uint64_t*)0x20000208 = 0x20000000;
  memcpy((void*)0x20000000,
         "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x0a\x85"
         "\x00\x00\x00\x0f\x00\x00\x00\xc5\x00\x00\x00\x9e\x00\x00\x00\x95",
         33);
  *(uint64_t*)0x20000210 = 0x20000100;
  memcpy((void*)0x20000100, "GPL\000", 4);
  *(uint32_t*)0x20000218 = 0;
  *(uint32_t*)0x2000021c = 0;
  *(uint64_t*)0x20000220 = 0;
  *(uint32_t*)0x20000228 = 0;
  *(uint32_t*)0x2000022c = 0;
  memset((void*)0x20000230, 0, 16);
  *(uint32_t*)0x20000240 = 0;
  *(uint32_t*)0x20000244 = 2;
  *(uint32_t*)0x20000248 = -1;
  *(uint32_t*)0x2000024c = 8;
  *(uint64_t*)0x20000250 = 0;
  *(uint32_t*)0x20000258 = 0;
  *(uint32_t*)0x2000025c = 0x10;
  *(uint64_t*)0x20000260 = 0;
  *(uint32_t*)0x20000268 = 0;
  *(uint32_t*)0x2000026c = 0;
  *(uint32_t*)0x20000270 = 0;
  *(uint32_t*)0x20000274 = 0;
  *(uint64_t*)0x20000278 = 0;
  *(uint64_t*)0x20000280 = 0;
  *(uint32_t*)0x20000288 = 0x10;
  *(uint32_t*)0x2000028c = 0;
  res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000200ul, /*size=*/0x80ul);
  if (res != -1)
    r[4] = res;
  *(uint64_t*)0x20000080 = 0x200000c0;
  memcpy((void*)0x200000c0, "fib6_table_lookup\000", 18);
  *(uint32_t*)0x20000088 = r[4];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000080ul, /*size=*/0x10ul);
  *(uint16_t*)0x20000540 = 0xa;
  *(uint16_t*)0x20000542 = htobe16(0x4e24);
  *(uint32_t*)0x20000544 = htobe32(0);
  *(uint8_t*)0x20000548 = 0xfe;
  *(uint8_t*)0x20000549 = 0x80;
  memset((void*)0x2000054a, 0, 13);
  *(uint8_t*)0x20000557 = 0xaa;
  *(uint32_t*)0x20000558 = 0;
  syscall(__NR_sendto, /*fd=*/r[3], /*buf=*/0ul, /*len=*/0x5c4ul, /*f=*/0ul,
          /*addr=*/0x20000540ul, /*addrlen=*/0x1cul);
  *(uint32_t*)0x20000200 = 0x11;
  *(uint32_t*)0x20000204 = 4;
  *(uint64_t*)0x20000208 = 0x200002c0;
  memcpy((void*)0x200002c0,
         "\x18\x01\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\xea\x04\x85"
         "\x00\x00\x00\x6d\x00\x00\x00\x95",
         25);
  *(uint64_t*)0x20000210 = 0x20000100;
  memcpy((void*)0x20000100, "GPL\000", 4);
  *(uint32_t*)0x20000218 = 0;
  *(uint32_t*)0x2000021c = 0;
  *(uint64_t*)0x20000220 = 0;
  *(uint32_t*)0x20000228 = 0;
  *(uint32_t*)0x2000022c = 0;
  memset((void*)0x20000230, 0, 16);
  *(uint32_t*)0x20000240 = 0;
  *(uint32_t*)0x20000244 = 2;
  *(uint32_t*)0x20000248 = -1;
  *(uint32_t*)0x2000024c = 8;
  *(uint64_t*)0x20000250 = 0;
  *(uint32_t*)0x20000258 = 0;
  *(uint32_t*)0x2000025c = 0x10;
  *(uint64_t*)0x20000260 = 0;
  *(uint32_t*)0x20000268 = 0;
  *(uint32_t*)0x2000026c = 0;
  *(uint32_t*)0x20000270 = 0;
  *(uint32_t*)0x20000274 = 0;
  *(uint64_t*)0x20000278 = 0;
  *(uint64_t*)0x20000280 = 0;
  *(uint32_t*)0x20000288 = 0x10;
  *(uint32_t*)0x2000028c = 0;
  res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000200ul, /*size=*/0x80ul);
  if (res != -1)
    r[5] = res;
  *(uint32_t*)0x20000000 = 6;
  *(uint32_t*)0x20000004 = 4;
  *(uint32_t*)0x20000008 = 7;
  *(uint32_t*)0x2000000c = 4;
  *(uint32_t*)0x20000010 = 0;
  *(uint32_t*)0x20000014 = -1;
  *(uint32_t*)0x20000018 = 0;
  memset((void*)0x2000001c, 0, 16);
  *(uint32_t*)0x2000002c = 0;
  *(uint32_t*)0x20000030 = -1;
  *(uint32_t*)0x20000034 = 0;
  *(uint32_t*)0x20000038 = 0;
  *(uint32_t*)0x2000003c = 0;
  *(uint64_t*)0x20000040 = 0;
  res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000000ul, /*size=*/0x48ul);
  if (res != -1)
    r[6] = res;
  *(uint32_t*)0x200000c0 = 0x11;
  *(uint32_t*)0x200000c4 = 0x14;
  *(uint64_t*)0x200000c8 = 0x200002c0;
  memcpy((void*)0x200002c0,
         "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x11\x00\x00",
         20);
  *(uint32_t*)0x200002d4 = r[6];
  memcpy((void*)0x200002d8,
         "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x08\x00\x00\x00\x00\x06\x00\x7b"
         "\x8a\xf8\xff\x00\x00\x00\x00\xbf\xa2\x00\x00\x00\x00\x00\x00\x07\x02"
         "\x00\x00\xf8\xff\xff\xff\xb7\x03\x00\x00\x08\x00\x00\x00\xb7\x04\x00"
         "\x00\x00\x00\x00\x20\x85\x00\x00\x00\x01\x00\x00\x00\x18\x01\x00\x00"
         "\x20\x20\x70\x25\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\x85\x00\x00\x00\x50\x00\x00\x00\x95",
         129);
  *(uint64_t*)0x200000d0 = 0;
  *(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[7] = res;
  *(uint64_t*)0x20000180 = 0x20000140;
  memcpy((void*)0x20000140, "ext4_ext_remove_space_done\000", 27);
  *(uint32_t*)0x20000188 = r[7];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000180ul, /*size=*/0x10ul);
  memcpy((void*)0x20000400, "blkio.bfq.sectors_recursive\000", 28);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000400ul,
                /*flags=*/0x275aul, /*mode=*/0ul);
  if (res != -1)
    r[8] = res;
  memcpy((void*)0x20000280,
         "lo\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 16);
  *(uint8_t*)0x20000290 = 1;
  *(uint8_t*)0x20000291 = 0x80;
  *(uint8_t*)0x20000292 = 0xc2;
  *(uint8_t*)0x20000293 = 0xc;
  *(uint8_t*)0x20000294 = 8;
  *(uint8_t*)0x20000295 = 0;
  syscall(__NR_ioctl, /*fd=*/r[8], /*cmd=*/0x4030582b, /*arg=*/0x20000280ul);
  *(uint64_t*)0x20000200 = 0x20000140;
  memcpy((void*)0x20000140, "mm_page_alloc\000", 14);
  *(uint32_t*)0x20000208 = r[5];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000200ul, /*size=*/0x10ul);
}
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);
  setup_binfmt_misc();
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      do_sandbox_none();
    }
  }
  sleep(1000000);
  return 0;
}