// https://syzkaller.appspot.com/bug?id=5f8b10dadfd89722989607c79fcfdb0df30c4d01
// 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/ioctl.h>
#include <sys/mount.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;
}

static void use_temporary_dir(void)
{
  char tmpdir_template[] = "./syzkaller.XXXXXX";
  char* tmpdir = mkdtemp(tmpdir_template);
  if (!tmpdir)
    exit(1);
  if (chmod(tmpdir, 0777))
    exit(1);
  if (chdir(tmpdir))
    exit(1);
}

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

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

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

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

#define USLEEP_FORKED_CHILD (3 * 50 * 1000)

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

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

static void execute_one(void);

#define WAIT_FLAGS __WALL

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

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

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  bpf$BPF_PROG_RAW_TRACEPOINT_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32],
  //    const[0, int32], const[0, int32], const[0, int32]]] {
  //      bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32], const[0,
  //      int32], const[0, int32], const[0, int32]] {
  //        type: bpf_raw_tracepoint_prog_types = 0x1f (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //            union ANYUNION {
  //              ANYBLOB: buffer: {18 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //              00 85 00 00 00 0f 00 00 00 18 01 00 00 20 20 64 25 00 00 00 00
  //              00 20 20 20 7b 1a f8 ff 00 00 00 00 bf a1 00 00 00 00 00 00 07
  //              01 00 00 f8 ff ff ff b7 02 00 00 08 00 00 00 b7 03 00 00 00 00
  //              00 00 85 00 00 00 b0 00 00 00 95} (length 0x59)
  //            }
  //          }
  //        }
  //        license: nil
  //        loglev: int32 = 0x0 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x0 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x1b (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        const = 0x0 (4 bytes) btf_fd: fd_btf (resource) func_info_rec_size:
  //        const = 0x8 (4 bytes) func_info: nil func_info_cnt: len = 0x0 (4
  //        bytes) line_info_rec_size: const = 0x10 (4 bytes) line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: const = 0x0 (4 bytes)
  //        attach_prog_fd: const = 0x0 (4 bytes)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x10 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union
  //        _bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32], const[0,
  //        int32], const[0, int32], const[0, int32]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_raw_tracepoint_prog_types, int32],
  //        const[0, int32], const[0, int32], const[0, int32]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x94 (8 bytes)
  //  ]
  //  returns fd_bpf_prog_raw_tracepoint
  *(uint32_t*)0x200000000800 = 0x1f;
  *(uint32_t*)0x200000000804 = 0xc;
  *(uint64_t*)0x200000000808 = 0x200000000440;
  memcpy(
      (void*)0x200000000440,
      "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x85\x00"
      "\x00\x00\x0f\x00\x00\x00\x18\x01\x00\x00\x20\x20\x64\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\xb0\x00\x00\x00\x95",
      89);
  *(uint64_t*)0x200000000810 = 0;
  *(uint32_t*)0x200000000818 = 0;
  *(uint32_t*)0x20000000081c = 0;
  *(uint64_t*)0x200000000820 = 0;
  *(uint32_t*)0x200000000828 = 0;
  *(uint32_t*)0x20000000082c = 0x1b;
  memset((void*)0x200000000830, 0, 16);
  *(uint32_t*)0x200000000840 = 0;
  *(uint32_t*)0x200000000844 = 0;
  *(uint32_t*)0x200000000848 = -1;
  *(uint32_t*)0x20000000084c = 8;
  *(uint64_t*)0x200000000850 = 0;
  *(uint32_t*)0x200000000858 = 0;
  *(uint32_t*)0x20000000085c = 0x10;
  *(uint64_t*)0x200000000860 = 0;
  *(uint32_t*)0x200000000868 = 0;
  *(uint32_t*)0x20000000086c = 0;
  *(uint32_t*)0x200000000870 = 0;
  *(uint32_t*)0x200000000874 = 0;
  *(uint64_t*)0x200000000878 = 0;
  *(uint64_t*)0x200000000880 = 0;
  *(uint32_t*)0x200000000888 = 0x10;
  *(uint32_t*)0x20000000088c = 0;
  *(uint32_t*)0x200000000890 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000800ul, /*size=*/0x94ul);
  //  perf_event_open arguments: [
  //    attr: ptr[in, perf_event_attr] {
  //      perf_event_attr {
  //        type: perf_event_type = 0x1 (4 bytes)
  //        size: len = 0x80 (4 bytes)
  //        config0: int8 = 0x2 (1 bytes)
  //        config1: int8 = 0x0 (1 bytes)
  //        config2: int8 = 0x0 (1 bytes)
  //        config3: int8 = 0x0 (1 bytes)
  //        config4: const = 0x0 (4 bytes)
  //        sample_freq: int64 = 0x1 (8 bytes)
  //        sample_type: perf_sample_type = 0xa16ae (8 bytes)
  //        read_format: perf_read_format = 0x9 (8 bytes)
  //        disabled: int64 = 0x0 (0 bytes)
  //        inherit: int64 = 0x1 (0 bytes)
  //        pinned: int64 = 0x1 (0 bytes)
  //        exclusive: int64 = 0x1 (0 bytes)
  //        exclude_user: int64 = 0x0 (0 bytes)
  //        exclude_kernel: int64 = 0x0 (0 bytes)
  //        exclude_hv: int64 = 0x0 (0 bytes)
  //        exclude_idle: int64 = 0x0 (0 bytes)
  //        mmap: int64 = 0x1 (0 bytes)
  //        comm: int64 = 0x0 (0 bytes)
  //        freq: int64 = 0x0 (0 bytes)
  //        inherit_stat: int64 = 0x1 (0 bytes)
  //        enable_on_exec: int64 = 0x0 (0 bytes)
  //        task: int64 = 0x1 (0 bytes)
  //        watermark: int64 = 0x0 (0 bytes)
  //        precise_ip: int64 = 0x1 (0 bytes)
  //        mmap_data: int64 = 0x0 (0 bytes)
  //        sample_id_all: int64 = 0x0 (0 bytes)
  //        exclude_host: int64 = 0x0 (0 bytes)
  //        exclude_guest: int64 = 0x0 (0 bytes)
  //        exclude_callchain_kernel: int64 = 0x0 (0 bytes)
  //        exclude_callchain_user: int64 = 0x0 (0 bytes)
  //        mmap2: int64 = 0x0 (0 bytes)
  //        comm_exec: int64 = 0x1 (0 bytes)
  //        use_clockid: int64 = 0x0 (0 bytes)
  //        context_switch: int64 = 0x1 (0 bytes)
  //        write_backward: int64 = 0x1 (0 bytes)
  //        namespaces: int64 = 0x1 (0 bytes)
  //        ksymbol: int64 = 0x1 (0 bytes)
  //        bpf_event: int64 = 0x1 (0 bytes)
  //        aux_output: int64 = 0x0 (0 bytes)
  //        cgroup: int64 = 0x1 (0 bytes)
  //        text_poke: int64 = 0x0 (0 bytes)
  //        build_id: int64 = 0x1 (0 bytes)
  //        inherit_thread: int64 = 0x0 (0 bytes)
  //        remove_on_exec: int64 = 0x0 (0 bytes)
  //        sigtrap: int64 = 0x0 (0 bytes)
  //        __reserved_1: const = 0x0 (8 bytes)
  //        wakeup_events: int32 = 0x1 (4 bytes)
  //        bp_type: perf_bp_type = 0x2 (4 bytes)
  //        bp_config: union perf_bp_config {
  //          perf_bp: perf_bp {
  //            bp_addr: nil
  //            bp_len: perf_bp_lens = 0x8 (8 bytes)
  //          }
  //        }
  //        branch_sample_type: perf_branch_sample_type = 0x90 (8 bytes)
  //        sample_regs_user: int64 = 0xa4 (8 bytes)
  //        sample_stack_user: int32 = 0x2 (4 bytes)
  //        clockid: clock_type = 0x1 (4 bytes)
  //        sample_regs_intr: int64 = 0xa1 (8 bytes)
  //        aux_watermark: int32 = 0x9b9b (4 bytes)
  //        sample_max_stack: int16 = 0x8 (2 bytes)
  //        __reserved_2: const = 0x0 (2 bytes)
  //        aux_sample_size: int32 = 0x0 (4 bytes)
  //        __reserved_3: const = 0x0 (4 bytes)
  //        sig_data: int64 = 0x8 (8 bytes)
  //      }
  //    }
  //    pid: pid (resource)
  //    cpu: intptr = 0xffffffffffffffff (8 bytes)
  //    group: fd_perf (resource)
  //    flags: perf_flags = 0x1 (8 bytes)
  //  ]
  //  returns fd_perf
  *(uint32_t*)0x2000000004c0 = 1;
  *(uint32_t*)0x2000000004c4 = 0x80;
  *(uint8_t*)0x2000000004c8 = 2;
  *(uint8_t*)0x2000000004c9 = 0;
  *(uint8_t*)0x2000000004ca = 0;
  *(uint8_t*)0x2000000004cb = 0;
  *(uint32_t*)0x2000000004cc = 0;
  *(uint64_t*)0x2000000004d0 = 1;
  *(uint64_t*)0x2000000004d8 = 0xa16ae;
  *(uint64_t*)0x2000000004e0 = 9;
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 1, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 2, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 3, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 8, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 11, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 13, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 15, 2);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 24, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 26, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 27, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 28, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 29, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 30, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 31, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 32, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 33, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 1, 34, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 35, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 36, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 37, 1);
  STORE_BY_BITMASK(uint64_t, , 0x2000000004e8, 0, 38, 26);
  *(uint32_t*)0x2000000004f0 = 1;
  *(uint32_t*)0x2000000004f4 = 2;
  *(uint64_t*)0x2000000004f8 = 0;
  *(uint64_t*)0x200000000500 = 8;
  *(uint64_t*)0x200000000508 = 0x90;
  *(uint64_t*)0x200000000510 = 0xa4;
  *(uint32_t*)0x200000000518 = 2;
  *(uint32_t*)0x20000000051c = 1;
  *(uint64_t*)0x200000000520 = 0xa1;
  *(uint32_t*)0x200000000528 = 0x9b9b;
  *(uint16_t*)0x20000000052c = 8;
  *(uint16_t*)0x20000000052e = 0;
  *(uint32_t*)0x200000000530 = 0;
  *(uint32_t*)0x200000000534 = 0;
  *(uint64_t*)0x200000000538 = 8;
  res = syscall(__NR_perf_event_open, /*attr=*/0x2000000004c0ul, /*pid=*/0,
                /*cpu=*/(intptr_t)-1, /*group=*/(intptr_t)-1,
                /*flags=PERF_FLAG_FD_NO_GROUP*/ 1ul);
  if (res != -1)
    r[0] = res;
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x0 (8 bytes)
  //    arg: ptr[in, bpf_map_create_arg] {
  //      union bpf_map_create_arg {
  //        base: bpf_map_create_arg_t[flags[bpf_map_type, int32], int32, int32,
  //        int32, flags[map_flags, int32], const[0, int64]] {
  //          type: bpf_map_type = 0x7 (4 bytes)
  //          ksize: int32 = 0x4 (4 bytes)
  //          vsize: int32 = 0x18 (4 bytes)
  //          max: int32 = 0x3 (4 bytes)
  //          flags: map_flags = 0x0 (4 bytes)
  //          inner: fd_bpf_map (resource)
  //          node: int32 = 0x0 (4 bytes)
  //          map_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //          00} (length 0x10) map_ifindex: ifindex (resource) btf_fd: fd_btf
  //          (resource) btf_key_type_id: int32 = 0x0 (4 bytes)
  //          btf_value_type_id: int32 = 0x0 (4 bytes)
  //          btf_vmlinux_type_id: int32 = 0x0 (4 bytes)
  //          map_extra: const = 0x0 (8 bytes)
  //          value_type_btf_obj_fd: union
  //          _bpf_map_create_arg_t[flags[bpf_map_type, int32], int32, int32,
  //          int32, flags[map_flags, int32], const[0,
  //          int64]]_value_type_btf_obj_fd_wrapper {
  //            void: buffer: {} (length 0x0)
  //          }
  //          pad1: union _bpf_map_create_arg_t[flags[bpf_map_type, int32],
  //          int32, int32, int32, flags[map_flags, int32], const[0,
  //          int64]]_pad1_wrapper {
  //            value: const = 0x0 (4 bytes)
  //          }
  //          map_token_fd: union _bpf_map_create_arg_t[flags[bpf_map_type,
  //          int32], int32, int32, int32, flags[map_flags, int32], const[0,
  //          int64]]_map_token_fd_wrapper {
  //            void: buffer: {} (length 0x0)
  //          }
  //          pad2: union _bpf_map_create_arg_t[flags[bpf_map_type, int32],
  //          int32, int32, int32, flags[map_flags, int32], const[0,
  //          int64]]_pad2_wrapper {
  //            value: const = 0x0 (4 bytes)
  //          }
  //        }
  //      }
  //    }
  //    size: len = 0x50 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  *(uint32_t*)0x200000000780 = 7;
  *(uint32_t*)0x200000000784 = 4;
  *(uint32_t*)0x200000000788 = 0x18;
  *(uint32_t*)0x20000000078c = 3;
  *(uint32_t*)0x200000000790 = 0;
  *(uint32_t*)0x200000000794 = -1;
  *(uint32_t*)0x200000000798 = 0;
  memset((void*)0x20000000079c, 0, 16);
  *(uint32_t*)0x2000000007ac = 0;
  *(uint32_t*)0x2000000007b0 = -1;
  *(uint32_t*)0x2000000007b4 = 0;
  *(uint32_t*)0x2000000007b8 = 0;
  *(uint32_t*)0x2000000007bc = 0;
  *(uint64_t*)0x2000000007c0 = 0;
  *(uint32_t*)0x2000000007c8 = 0;
  *(uint32_t*)0x2000000007cc = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200000000780ul, /*size=*/0x50ul);
  if (res != -1)
    r[1] = res;
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x11 (4 bytes)
  //        ninsn: bytesize8 = 0x9 (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //            union ANYUNION {
  //              ANYBLOB: buffer: {18 00 00 00 00 00 00 01 00 00 00 00 00 00 00
  //              00 18 12 00 00} (length 0x14)
  //            }
  //            union ANYUNION {
  //              ANYRES32: ANYRES32 (resource)
  //            }
  //            union ANYUNION {
  //              ANYBLOB: buffer: {00 00 00 00 00 00 00 00 b7 03 00 00 00 07 00
  //              00 85 00 00 00 1b} (length 0x15)
  //            }
  //          }
  //        }
  //        license: nil
  //        loglev: int32 = 0xfffffffe (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x41000 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          fallback: bpf_attach_types = 0x20 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x0 (4 bytes)
  //        line_info_rec_size: const = 0x0 (4 bytes)
  //        line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x0 (4 bytes)
  //        log_true_size: int32 = 0x6 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x94 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x200000000680 = 0x11;
  *(uint32_t*)0x200000000684 = 9;
  *(uint64_t*)0x200000000688 = 0x200000000440;
  memcpy((void*)0x200000000440,
         "\x18\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x12\x00\x00",
         20);
  *(uint32_t*)0x200000000454 = r[1];
  memcpy((void*)0x200000000458,
         "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x03\x00\x00\x00\x07\x00\x00\x85"
         "\x00\x00\x00\x1b",
         21);
  *(uint64_t*)0x200000000690 = 0;
  *(uint32_t*)0x200000000698 = 0xfffffffe;
  *(uint32_t*)0x20000000069c = 0;
  *(uint64_t*)0x2000000006a0 = 0;
  *(uint32_t*)0x2000000006a8 = 0x41000;
  *(uint32_t*)0x2000000006ac = 0;
  memset((void*)0x2000000006b0, 0, 16);
  *(uint32_t*)0x2000000006c0 = 0;
  *(uint32_t*)0x2000000006c4 = 0x20;
  *(uint32_t*)0x2000000006c8 = -1;
  *(uint32_t*)0x2000000006cc = 0;
  *(uint64_t*)0x2000000006d0 = 0;
  *(uint32_t*)0x2000000006d8 = 0;
  *(uint32_t*)0x2000000006dc = 0;
  *(uint64_t*)0x2000000006e0 = 0;
  *(uint32_t*)0x2000000006e8 = 0;
  *(uint32_t*)0x2000000006ec = 0;
  *(uint32_t*)0x2000000006f0 = 0;
  *(uint32_t*)0x2000000006f4 = 0;
  *(uint64_t*)0x2000000006f8 = 0;
  *(uint64_t*)0x200000000700 = 0;
  *(uint32_t*)0x200000000708 = 0;
  *(uint32_t*)0x20000000070c = 6;
  *(uint32_t*)0x200000000710 = 0;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000680ul, /*size=*/0x94ul);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32],
  //    bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] {
  //      bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types,
  //      bpf_btf_id[opt], fd_bpf_prog[opt]] {
  //        type: bpf_prog_type = 0x7 (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //          }
  //        }
  //        license: ptr[in, buffer] {
  //          buffer: {47 50 4c 00} (length 0x4)
  //        }
  //        loglev: int32 = 0x9 (4 bytes)
  //        logsize: len = 0x0 (4 bytes)
  //        log: nil
  //        kern_version: bpf_kern_version = 0x0 (4 bytes)
  //        flags: bpf_prog_load_flags = 0x0 (4 bytes)
  //        prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type:
  //        union bpf_prog_attach_types {
  //          fallback: bpf_attach_types = 0x2 (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x0 (4 bytes)
  //        line_info_rec_size: const = 0x0 (4 bytes)
  //        line_info: nil
  //        line_info_cnt: len = 0x0 (4 bytes)
  //        attach_btf_id: bpf_btf_id (resource)
  //        attach_prog_fd: fd_bpf_prog (resource)
  //        core_relo_cnt: len = 0x0 (4 bytes)
  //        fd_array: nil
  //        core_relos: nil
  //        core_relo_rec_size: const = 0x0 (4 bytes)
  //        log_true_size: int32 = 0x0 (4 bytes)
  //        prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_prog_token_fd_wrapper {
  //          void: buffer: {} (length 0x0)
  //        }
  //        pad: union _bpf_prog_t[flags[bpf_prog_type, int32],
  //        bpf_prog_attach_types, bpf_btf_id[opt],
  //        fd_bpf_prog[opt]]_pad_wrapper {
  //          value: const = 0x0 (4 bytes)
  //        }
  //      }
  //    }
  //    size: len = 0x94 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  *(uint32_t*)0x200000000300 = 7;
  *(uint32_t*)0x200000000304 = 0xc;
  *(uint64_t*)0x200000000308 = 0x200000000440;
  *(uint64_t*)0x200000000310 = 0x200000000240;
  memcpy((void*)0x200000000240, "GPL\000", 4);
  *(uint32_t*)0x200000000318 = 9;
  *(uint32_t*)0x20000000031c = 0;
  *(uint64_t*)0x200000000320 = 0;
  *(uint32_t*)0x200000000328 = 0;
  *(uint32_t*)0x20000000032c = 0;
  memset((void*)0x200000000330, 0, 16);
  *(uint32_t*)0x200000000340 = 0;
  *(uint32_t*)0x200000000344 = 2;
  *(uint32_t*)0x200000000348 = -1;
  *(uint32_t*)0x20000000034c = 0;
  *(uint64_t*)0x200000000350 = 0;
  *(uint32_t*)0x200000000358 = 0;
  *(uint32_t*)0x20000000035c = 0;
  *(uint64_t*)0x200000000360 = 0;
  *(uint32_t*)0x200000000368 = 0;
  *(uint32_t*)0x20000000036c = 0;
  *(uint32_t*)0x200000000370 = 0;
  *(uint32_t*)0x200000000374 = 0;
  *(uint64_t*)0x200000000378 = 0;
  *(uint64_t*)0x200000000380 = 0;
  *(uint32_t*)0x200000000388 = 0;
  *(uint32_t*)0x20000000038c = 0;
  *(uint32_t*)0x200000000390 = 0;
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000300ul, /*size=*/0x94ul);
  if (res != -1)
    r[2] = res;
  //  ioctl$PERF_EVENT_IOC_SET_BPF arguments: [
  //    fd: fd_perf (resource)
  //    cmd: const = 0x40042408 (4 bytes)
  //    prog: fd_bpf_prog (resource)
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40042408, /*prog=*/r[2]);
  //  syz_clone arguments: [
  //    flags: clone_flags = 0x11 (8 bytes)
  //    stack: nil
  //    stack_len: bytesize = 0x0 (8 bytes)
  //    parentid: nil
  //    childtid: nil
  //    tls: nil
  //  ]
  //  returns pid
  syz_clone(/*flags=*/0x11, /*stack=*/0, /*stack_len=*/0, /*parentid=*/0,
            /*childtid=*/0, /*tls=*/0);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  for (procid = 0; procid < 4; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}