// 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 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;
}

#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 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[14] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff,
                  0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  memcpy((void*)0x20000380, "memory.events\000", 14);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x20000380ul,
                /*flags=*/0x26e1ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x20000080 = r[0];
  *(uint64_t*)0x20000088 = 0;
  *(uint64_t*)0x20000090 = 0;
  *(uint64_t*)0x20000098 = 0;
  syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x20000080ul, /*size=*/0x20ul);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xd000943d, /*arg=*/0ul);
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0ul, /*size=*/0ul);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0ul,
                /*flags=*/0x7a05ul, /*mode=*/0x1700ul);
  if (res != -1)
    r[1] = res;
  syscall(__NR_write, /*fd=*/r[1], /*buf=*/0ul, /*len=*/0xda00ul);
  memcpy((void*)0x20000000, "memory.events.local\000", 20);
  syscall(__NR_openat, /*fd=*/-1, /*file=*/0x20000000ul, /*flags=*/0ul,
          /*mode=*/0ul);
  syscall(__NR_write, /*fd=*/-1, /*buf=*/0x20000000ul, /*len=*/0x32600ul);
  syscall(__NR_write, /*fd=*/-1, /*buf=*/0ul, /*len=*/0xda00ul);
  res = syscall(__NR_openat, /*fd=*/-1, /*file=*/0ul, /*flags=*/0x200002ul,
                /*mode=*/0ul);
  if (res != -1)
    r[2] = res;
  syscall(__NR_openat, /*fd=*/r[2], /*file=*/0ul, /*flags=*/0x275aul,
          /*mode=*/0ul);
  syscall(__NR_fdatasync, /*fd=*/-1);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0ul,
                /*flags=*/0x26e1ul, /*mode=*/0ul);
  if (res != -1)
    r[3] = res;
  *(uint32_t*)0x20000080 = r[3];
  *(uint64_t*)0x20000088 = 0x20000000;
  *(uint32_t*)0x20000000 = 0;
  *(uint64_t*)0x20000090 = 0;
  *(uint64_t*)0x20000098 = 0;
  res = syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x20000080ul, /*size=*/0x20ul);
  if (res != -1)
    r[4] = *(uint32_t*)0x20000080;
  syscall(__NR_getsockopt, /*fd=*/r[3], /*level=*/0, /*optname=*/8,
          /*optval=*/0ul, /*optlen=*/0ul);
  *(uint32_t*)0x20002580 = r[3];
  *(uint64_t*)0x20002588 = 0x20002500;
  *(uint32_t*)0x20002500 = 0;
  *(uint64_t*)0x20002590 = 0x20002540;
  memcpy((void*)0x20002540, "%ps    \000", 8);
  *(uint64_t*)0x20002598 = 0;
  res = syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x20002580ul, /*size=*/0x20ul);
  if (res != -1)
    r[5] = *(uint32_t*)0x20002580;
  memcpy((void*)0x20002600, "/dev/bsg\000", 9);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20002600ul,
                /*flags=*/0x40800ul, /*mode=*/0ul);
  if (res != -1)
    r[6] = res;
  *(uint32_t*)0x20002680 = 7;
  *(uint32_t*)0x20002684 = 0x13;
  *(uint64_t*)0x20002688 = 0x200023c0;
  *(uint8_t*)0x200023c0 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200023c1, 0, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200023c1, 0, 4, 4);
  *(uint16_t*)0x200023c2 = 0;
  *(uint32_t*)0x200023c4 = 5;
  *(uint8_t*)0x200023c8 = 0;
  *(uint8_t*)0x200023c9 = 0;
  *(uint16_t*)0x200023ca = 0;
  *(uint32_t*)0x200023cc = 9;
  STORE_BY_BITMASK(uint8_t, , 0x200023d0, 5, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x200023d0, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x200023d0, 2, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200023d1, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200023d1, 2, 4, 4);
  *(uint16_t*)0x200023d2 = 4;
  *(uint32_t*)0x200023d4 = 0xfffffff0;
  *(uint8_t*)0x200023d8 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200023d9, 7, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200023d9, 3, 4, 4);
  *(uint16_t*)0x200023da = 0;
  *(uint32_t*)0x200023dc = 4;
  *(uint8_t*)0x200023e0 = 0;
  *(uint8_t*)0x200023e1 = 0;
  *(uint16_t*)0x200023e2 = 0;
  *(uint32_t*)0x200023e4 = 0;
  *(uint8_t*)0x200023e8 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200023e9, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200023e9, 3, 4, 4);
  *(uint16_t*)0x200023ea = 0;
  *(uint32_t*)0x200023ec = 1;
  *(uint8_t*)0x200023f0 = 0;
  *(uint8_t*)0x200023f1 = 0;
  *(uint16_t*)0x200023f2 = 0;
  *(uint32_t*)0x200023f4 = 0;
  *(uint8_t*)0x200023f8 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x200023f9, 1, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x200023f9, 1, 4, 4);
  *(uint16_t*)0x200023fa = 0;
  *(uint32_t*)0x200023fc = 1;
  *(uint8_t*)0x20002400 = 0;
  *(uint8_t*)0x20002401 = 0;
  *(uint16_t*)0x20002402 = 0;
  *(uint32_t*)0x20002404 = 0;
  STORE_BY_BITMASK(uint8_t, , 0x20002408, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20002408, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20002408, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002409, 8, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002409, 0, 4, 4);
  *(uint16_t*)0x2000240a = 0;
  *(uint32_t*)0x2000240c = 8;
  STORE_BY_BITMASK(uint8_t, , 0x20002410, 3, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20002410, 3, 3, 2);
  STORE_BY_BITMASK(uint8_t, , 0x20002410, 3, 5, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20002411, 0xa, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002411, 8, 4, 4);
  *(uint16_t*)0x20002412 = 0xfff8;
  *(uint32_t*)0x20002414 = 0;
  STORE_BY_BITMASK(uint8_t, , 0x20002418, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20002418, 1, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20002418, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002419, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002419, 0xa, 4, 4);
  *(uint16_t*)0x2000241a = 0;
  *(uint32_t*)0x2000241c = 0;
  STORE_BY_BITMASK(uint8_t, , 0x20002420, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20002420, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20002420, 0, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002421, 2, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002421, 0, 4, 4);
  *(uint16_t*)0x20002422 = 0;
  *(uint32_t*)0x20002424 = 0xfffffff8;
  STORE_BY_BITMASK(uint8_t, , 0x20002428, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20002428, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20002428, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002429, 3, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002429, 0, 4, 4);
  *(uint16_t*)0x2000242a = 0;
  *(uint32_t*)0x2000242c = 8;
  STORE_BY_BITMASK(uint8_t, , 0x20002430, 7, 0, 3);
  STORE_BY_BITMASK(uint8_t, , 0x20002430, 0, 3, 1);
  STORE_BY_BITMASK(uint8_t, , 0x20002430, 0xb, 4, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002431, 4, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002431, 0, 4, 4);
  *(uint16_t*)0x20002432 = 0;
  *(uint32_t*)0x20002434 = 0;
  *(uint8_t*)0x20002438 = 0x85;
  *(uint8_t*)0x20002439 = 0;
  *(uint16_t*)0x2000243a = 0;
  *(uint32_t*)0x2000243c = 0x82;
  *(uint8_t*)0x20002440 = 0x18;
  STORE_BY_BITMASK(uint8_t, , 0x20002441, 3, 0, 4);
  STORE_BY_BITMASK(uint8_t, , 0x20002441, 5, 4, 4);
  *(uint16_t*)0x20002442 = 0;
  *(uint32_t*)0x20002444 = 2;
  *(uint8_t*)0x20002448 = 0;
  *(uint8_t*)0x20002449 = 0;
  *(uint16_t*)0x2000244a = 0;
  *(uint32_t*)0x2000244c = 0;
  *(uint8_t*)0x20002450 = 0x95;
  *(uint8_t*)0x20002451 = 0;
  *(uint16_t*)0x20002452 = 0;
  *(uint32_t*)0x20002454 = 0;
  *(uint64_t*)0x20002690 = 0x20000180;
  memcpy((void*)0x20000180, "syzkaller\000", 10);
  *(uint32_t*)0x20002698 = 2;
  *(uint32_t*)0x2000269c = 0;
  *(uint64_t*)0x200026a0 = 0;
  *(uint32_t*)0x200026a8 = 0x40f00;
  *(uint32_t*)0x200026ac = 2;
  memset((void*)0x200026b0, 0, 16);
  *(uint32_t*)0x200026c0 = 0;
  *(uint32_t*)0x200026c4 = 0x30;
  *(uint32_t*)0x200026c8 = -1;
  *(uint32_t*)0x200026cc = 8;
  *(uint64_t*)0x200026d0 = 0x20002480;
  *(uint32_t*)0x20002480 = 3;
  *(uint32_t*)0x20002484 = 5;
  *(uint32_t*)0x200026d8 = 8;
  *(uint32_t*)0x200026dc = 0x10;
  *(uint64_t*)0x200026e0 = 0x200024c0;
  *(uint32_t*)0x200024c0 = 3;
  *(uint32_t*)0x200024c4 = 0xb;
  *(uint32_t*)0x200024c8 = 2;
  *(uint32_t*)0x200024cc = 0x1000;
  *(uint32_t*)0x200026e8 = 0x10;
  *(uint32_t*)0x200026ec = 0;
  *(uint32_t*)0x200026f0 = r[3];
  *(uint32_t*)0x200026f4 = 0;
  *(uint64_t*)0x200026f8 = 0x20002640;
  *(uint32_t*)0x20002640 = r[5];
  *(uint32_t*)0x20002644 = -1;
  *(uint32_t*)0x20002648 = r[3];
  *(uint32_t*)0x2000264c = r[6];
  *(uint32_t*)0x20002650 = 1;
  *(uint32_t*)0x20002654 = 1;
  *(uint32_t*)0x20002658 = r[4];
  *(uint64_t*)0x20002700 = 0;
  *(uint32_t*)0x20002708 = 0x10;
  *(uint32_t*)0x2000270c = 0x80;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20002680ul, /*size=*/0x90ul);
  *(uint64_t*)0x200013c0 = 0;
  *(uint64_t*)0x200013c8 = 3;
  *(uint64_t*)0x200013d0 = 2;
  *(uint64_t*)0x200013d8 = 0x101;
  *(uint64_t*)0x200013e0 = 0xd4ba;
  *(uint64_t*)0x200013e8 = 4;
  *(uint64_t*)0x200013f0 = 0x400;
  *(uint32_t*)0x200013f8 = 0;
  *(uint32_t*)0x200013fc = 7;
  *(uint32_t*)0x20001400 = 4;
  *(uint32_t*)0x20001404 = 0x1000;
  *(uint64_t*)0x20001408 = 5;
  *(uint64_t*)0x20001410 = 0;
  *(uint64_t*)0x20001418 = 0;
  *(uint64_t*)0x20001420 = 0x80000001;
  memset((void*)0x20001428, 0, 3992);
  syscall(__NR_ioctl, /*fd=*/r[4], /*cmd=*/0xd0009411, /*arg=*/0x200013c0ul);
  memcpy((void*)0x200001c0, "memory.events\000", 14);
  syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0x200001c0ul,
          /*flags=*/0x7a05ul, /*mode=*/0x1700ul);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0ul,
                /*flags=*/0x275aul, /*mode=*/0ul);
  if (res != -1)
    r[7] = res;
  syscall(__NR_fdatasync, /*fd=*/r[7]);
  res = syscall(__NR_open, /*file=*/0ul, /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[8] = res;
  syscall(__NR_openat, /*fd=*/r[8], /*file=*/0ul, /*flags=*/2ul, /*mode=*/0ul);
  res = syscall(__NR_open, /*file=*/0ul, /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[9] = res;
  syscall(__NR_write, /*fd=*/r[9], /*arg=*/0ul, /*len=*/0ul);
  res = syscall(__NR_openat, /*fd=*/0xffffff9c, /*file=*/0ul,
                /*flags=*/0x275aul, /*mode=*/0ul);
  if (res != -1)
    r[10] = res;
  syscall(__NR_fdatasync, /*fd=*/r[10]);
  syscall(__NR_open, /*file=*/0ul, /*flags=*/0ul, /*mode=*/0ul);
  syscall(__NR_openat, /*fd=*/-1, /*file=*/0ul, /*flags=*/2ul, /*mode=*/0ul);
  syscall(__NR_write, /*fd=*/-1, /*arg=*/0ul, /*len=*/0ul);
  res = syscall(__NR_openat, /*fd=*/-1, /*file=*/0ul, /*flags=*/0x200002ul,
                /*mode=*/0ul);
  if (res != -1)
    r[11] = res;
  memcpy((void*)0x20000040, "memory.events\000", 14);
  syscall(__NR_openat, /*fd=*/r[11], /*file=*/0x20000040ul, /*flags=*/0x26e1ul,
          /*mode=*/0ul);
  *(uint32_t*)0x20000200 = 0x18;
  *(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\x00\x00\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=*/0x78ul);
  if (res != -1)
    r[12] = res;
  *(uint64_t*)0x200000c0 = 0x20000140;
  memcpy((void*)0x20000140, "kmem_cache_free\000", 16);
  *(uint32_t*)0x200000c8 = r[12];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000c0ul, /*size=*/0x10ul);
  res = syscall(__NR_socket, /*domain=*/0xaul, /*type=*/2ul, /*proto=*/0);
  if (res != -1)
    r[13] = res;
  syscall(__NR_bind, /*fd=*/r[13], /*addr=*/0ul, /*addrlen=*/0ul);
  syscall(__NR_sendto, /*fd=*/r[13], /*buf=*/0ul, /*len=*/0ul, /*f=*/0ul,
          /*addr=*/0ul, /*addrlen=*/0ul);
  syscall(__NR_recvmmsg, /*fd=*/r[13], /*mmsg=*/0ul, /*vlen=*/0ul,
          /*f=*/0x44000102ul, /*timeout=*/0ul);
  syscall(__NR_ioctl, /*fd=*/r[13], /*cmd=*/0x40305828, /*arg=*/0ul);
  syscall(__NR_write, /*fd=*/-1, /*buf=*/0x20000000ul, /*len=*/0x32600ul);
  syscall(__NR_write, /*fd=*/-1, /*buf=*/0ul, /*len=*/0xda00ul);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=*/7ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=*/0x32ul, /*fd=*/-1, /*offset=*/0ul);
  do_sandbox_none();
  return 0;
}