// https://syzkaller.appspot.com/bug?id=8104a8dead4f053580f41aa253534339c6c5b768
// 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/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);
}

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;
retry:
  const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW;
  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")) {
  }
}

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)) {
  }
  *(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[0] = res;
  *(uint32_t*)0x20000480 = r[0];
  syscall(__NR_bpf, /*cmd=*/0x16ul, /*arg=*/0x20000480ul, /*size=*/4ul);
  syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0ul, /*size=*/0ul);
  *(uint32_t*)0x200000c0 = 0;
  *(uint32_t*)0x200000c4 = 0xc;
  *(uint64_t*)0x200000c8 = 0;
  *(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;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000c0ul, /*size=*/0x90ul);
  *(uint32_t*)0x200000c0 = 0x11;
  *(uint32_t*)0x200000c4 = 0xc;
  *(uint64_t*)0x200000c8 = 0x20000440;
  *(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*)0x20000080 = 0x11;
  *(uint32_t*)0x20000084 = 8;
  *(uint64_t*)0x20000088 = 0x200012c0;
  memcpy(
      (void*)0x200012c0,
      "\x62\x0a\xf8\xff\x0c\x20\x00\x21\xbf\xa1\x00\x00\x00\x00\x00\x00\x07\x01"
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      "\x00\x00\x00\x00\x85\x00\x00\x00\x10\x00\x00\x00\xb7\x00\x00\x00\x00\x00"
      "\x00\x00\x95\x00\x00\x00\x00\x00\x00\x00\x3f\xaf\x4f\x2a\xa3\xd9\xb1\x8e"
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      "\x89\x82\xb4\xe0\x20\xf6\x98\x39\x3a\xa0\xf3\x88\x1f\x9c\x24\xaa\x56\xf1"
      "\x51\x99\xfa\xd0\x09\x3c\x59\xd6\x6b\x5e\x00\x00\x00\x00\x00\x00\x00\x40"
      "\x5e\xa2\x3c\x22\x62\x4c\x9f\x87\xf9\x79\x3f\x50\xbb\x54\x60\x40\x67\x7b"
      "\x0c\x50\x77\xda\x80\xfb\x98\x28\x1e\x94\x00\xe6\x93\x14\x6c\xea\x48\x4a"
      "\x41\x5b\x76\x96\x61\x18\xb6\x4f\x5a\x1a\x0f\x24\x1b\x07\x2e\x90\x08\x00"
      "\x08\x00\x2d\x75\x59\x3a\x28\x6c\xec\xc9\x3e\x64\xc2\x27\xe6\x5a\xa0\xb7"
      "\x84\x62\x57\x04\xf0\x7a\x72\xc2\x91\x84\xff\x7f\x00\x00\xce\xf8\x09\x60"
      "\x60\x56\xfe\x5c\x34\x66\x4c\x0a\xf9\x36\x0a\x1f\x7a\x5e\x6b\x60\x71\x30"
      "\xc8\x9f\x18\xc0\xc1\x08\x9d\x8b\x85\x88\xd7\x2e\xc2\x9c\x48\xb4\x5e\xf4"
      "\xad\xf6\x34\xbe\x76\x32\x89\xd0\x1a\xa2\x7a\xe8\xb0\x9e\x00\xe7\x9a\xb2"
      "\x0b\x0b\x8e\xd8\xfb\x7a\x68\xaf\x2a\xd0\x00\x00\x00\x00\x00\x00\x00\x6f"
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      "\xcd\x97\xcf\xa1\x07\xd4\x02\x24\xed\xc5\x46\x5a\x93\x2b\x77\xe7\x4e\x80"
      "\x2a\x0d\x42\xbc\x60\x99\xad\x23\x00\x00\x00\x80\x00\x6e\xf6\xc1\xff\x09"
      "\x00\x00\x00\x00\x00\x00\x10\xc6\x3a\x94\x9e\x8b\x79\x55\x39\x4f\xfa\x82"
      "\xb8\xe9\x42\xc8\x91\x12\x89\x94\x87\xb1\xbf\xed\xa7\xbe\x58\x54\xc1\x6b"
      "\x38\xb8\xc2\x9a\x84\xe1\xc0\x17\x66\x02\xd9\x85\x43\x0c\xea\x01\x62\xab"
      "\x3f\xcf\x45\x91\xc9\x26\xb3\xfb\x07\x67\x19\x23\x7c\x8d\x0e\x60\xb0\xee"
      "\xa2\x44\x92\xa6\xf8\xff\xff\xff\xf5\xbc\xd3\xde\x3a\x83\x20\x9d\xa1\x7a"
      "\x0f\xaf\x60\xfd\x6a\xd9\x1a\x56\xa5\xfa\x68\x48\x03\x66\xc9\xc6\xfd\x6f"
      "\xa5\x04\x3a\xa3\x92\x6b\x81\xe3\xb5\x9c\x9b\x08\x1d\x6a\x08\x00\x00\x00"
      "\xea\x04\x41\xe1\xe0\x84\x3f\x15\x82\x4e\x1c\xdc\xef\x2b\x1a\x52\x49\x6d"
      "\xfc\xaf\x99\x43\x14\x12\xfd\x13\x4a\x99\x63\x82\xa1\xa0\x4d\x5b\xb9\x24"
      "\xcf\xe5\xf3\x18\x54\x18\xd6\x05\xff\xff\x9c\x4d\x2e\xc7\xc3\x2f\x20\x95"
      "\xe6\x3c\x80\xaf\xf9\xfa\x74\x0b\x5b\x76\x32\xf3\x20\x30\x91\x6f\x89\xc6"
      "\xda\xd7\x60\x3f\x2b\xa2\xa7\x90\xd6\x2d\x6f\xae\xc2\xfe\xd4\x4d\xa4\x92"
      "\x8b\x30\x14\x2b\xa1\x1d\xe6\xc5\xd5\x0b\x83\xba\xe6\x16\xb5\x05\x4d\xff"
      "\xff\xff\xff\xff\xff\xfa\x0a\x82\x45\xff\xa4\x99\x7d\xa9\xc7\x7a\xf4\xc0"
      "\x09\x98\xfc\xa5\x85\xec\x6b\xf5\x83\x51\xd5\x64\xbe\xb6\xd9\x52\xaa\xb9"
      "\xc7\x07\x64\xb0\xa8\xa7\x58\x3c\x90\xb3\x43\x3b\x80\x9b\xdb\x9f\xbd\x48"
      "\xbc\x87\x34\x95\xcb\xff\x8a\x32\x6e\xea\x31\xae\x4e\xd1\x33\x30\xca\x00"
      "\x6b\xce\x1a\x84\x52\x1f\x14\x51\x8c\x00\x08\x00\x00\x00\x00\x00\x00\x16"
      "\x21\x98\x48\x62\x4b\x87\xce\xc2\xdb\xe9\x82\x23\xa0\xeb\x4f\xa3\x9f\x6b"
      "\x5c\x02\xe6\xd6\xd9\x07\x56\xff\x57\x90\x2a\x8f\x57\x00\x00\x00\x00\x97"
      "\x00\xcf\x0b\x4b\x8b\xc2\x29\x41\x33\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x55\x00\x10\x00\x8b\xc0"
      "\xd9\x55\x97\x11\xf8\xbf\x60\xc8\x46\x49\x49\xae\x40\x28\x5b\xa5\x85\xa4"
      "\xb2\xd0\x2e\xdc\x3e\x28\xdd\x27\x1c\x89\x62\x49\x64\x66\xd7\x95\x2a\x37"
      "\xed\x85\xb9\x80\x68\x0b\x6c\x4a\x00\x00\x00\x00\x2b\x43\x5a\xc1\x5f\xc0"
      "\x28\x8d\x9b\x2a\x16\x9c\xdc\xac\xc4\x13\xb4\x8d\xaf\xb7\xa2\xc8\xcb\x48"
      "\x2b\xac\x00\x10\x02\xd9\xba\x96\xff\xff\xff\xd8\x97\xef\x3b\x7c\xda\x42"
      "\x01\x3d\x53\x04\x6d\xa2\x1b\x40\x21\x6e\x14\xba\x2d\x6a\xf8\x65\x6b\xff"
      "\xf1\x7a\xff\xff\x00\x00\x5b\x30\x00\x2a\xbb\xba\x7f\xa7\x25\xf3\x84\x00"
      "\xbe\x7c\x1f\x00\x1b\x2c\xd3\x17\x90\x2f\x19\xe3\x85\xbe\x9e\x48\xdc\xcf"
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      "\x94\xef\x24\x18\x75\xf3\xb4\xb6\xab\x79\x29\xa5\x7a\xff\xe7\xd7\xfa\x29"
      "\x82\x2a\xea\x68\xa6\x60\xe7\x17\xa0\x4b\xec\xff\x0f\x71\x91\x97\x72\x68"
      "\xf5\x4f\xce\x10\x93\xb6\x2d\x7e\x8c\x71\x23\xd8\xec\xbb\xc5\x5b\xf4\x04"
      "\xe4\xe1\xf7\x4b\x7e\x57\x58\xa3\xc8\x5a\xf9\xd0\xe5\xac\x05\x33\x8c\x10"
      "\x5e\x78\x31\x64\xed\x82\x57\x1b\xe5\x4c\x72\xd9\x78\xcf\x90\x6d\x9f\x2c"
      "\x06\xf8\x15\x31\x2e\x0c\xfe\x22\x2a\x06\xf5\x6d\xd0\x22\xc0\x74\xeb\x8a"
      "\x32\x2f\xb0\xbf\x47\xc0\xa8\xd1\x54\xb4\x05\xc3\x7f\xea\xf3\xdd\x95\xf6"
      "\xef\x2a\xcd\x1f\xe5\x82\x78\x61\x05\xc7\xdf\x8b\xe5\x87\x70\x50\xc9\x13"
      "\x01\xbb\x99\x73\x16\xdb\xf1\x78\x84\xfb\x84\xd4\x17\x37\x31\xef\xe8\x95"
      "\xff\x2e\x1c\x55\x60\x92\x6e\x86\x10\x9b\x59\x85\x02\xd3\xe9\x59\xef\xc7"
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      "\x61\x88\x7a\x20\x63\x9b\x41\xc8\xc1\x2e\xe8\x6c\x50\x80\x40\x42\xb3\xea"
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      "\x1b\xc3\xcd\x4d\x18\x4c\xb1\x61\x29\xcd\x8d\xfd\xde\x6e\x2f\x53\x98\xf9"
      "\x2d\xb9\x64\x91\x99\x2d\x8e\xdd\x3f\xdf\xa1\x18\x55\xdb\x0f\x66\x03\x95"
      "\x23\x49\x48\xbc\xf3\x79\xcf\x52\x47\x6a\xf6\x38\xcd\x35\x09\x21\x07\xf6"
      "\xab\xaa\xf6\x36\xa0\x77\xea\x2d\xca\xc7\xb2\xfd\x7c\xa2\x06\xf6\x9a\x17"
      "\xa9\x65\xb4\xee\x8e\xc9\x27\xf1\x86\x0b\x9d\xd8\xb2\x9b\x43\xe1\xc3\xfd"
      "\x43\x8b\x2d\x8d\x0b\xfe\xa7\x65\x91\x13\x55\x27\x0f\xe8\x65\xfa\x6b\xb0"
      "\x42\x66\x41\xbc\xc7\x2a\x2b\xd8\xbd\x2f\x4e\xac\x81\xee\xb5\xae\x2d\xc4"
      "\xdd\x35\xa7\x9b\x1d\xaf\xa6\x5b\x7a\x9e\x91\xd0\x98\xbf\xf7\x06\xb6\x36"
      "\xd9\xf7\xb4\x01\x03\xab\x8f\x38\x46\x94\xd7\x10\x4f\x78\x42\x35\x87\xbb"
      "\x51\x7d\x17\x7b\xbd\xd8\xdf\x62\xec\x1d\xda\xa2\x86\x55\xc3\x63\x96\xd2"
      "\xcc\x96\x37\x21\x77\x08\x39\xaa\xe5\x4d\xfc\xe7\x00\x10\xff\xcb\x62\x90"
      "\x6e\xf6\x0d\x26\x5a\x6a\x14\x6a\xa6\x78\xde\xd0\x6a\x99\xf7\xb5\xf1\xb4"
      "\x0b\x88\x22\xab\xdf\xc9\x27\xca\x66\x4d\x70\xbb\x85\x62\x6e\x43\x64\xb5"
      "\xa0\xf5\x08\xb8\xd2\xa6\xd1\x43\xa6\x7b\xea\x5b\x19\x3b\x23\x7f\x9f\x4a"
      "\xd6\x6d\xc1\xab\x84\xad\xa7\x4d\x56\xdb\xb4\x6c\x3e\x3e\xc0\x43\xd4\x22"
      "\x88\x28\x96\x42\xc6\x50\x97\x36\x98\xc2\x79\x93\x53\xb2\xc6\x45\x79\xdd"
      "\x84\x7e\x49\xdb\xb3\x91\x3e\x8d\xa6\xc4\x3c\xe4\xa9\x77\x9b\x63\xa1\x2a"
      "\xcf\x01\xb4\xe1\xd9\x22\x30\xc2\xc7\x46\xaf\xf2\x81\x65\xe1\x1c\x40\x7a"
      "\x77\xdd\x13\xf0\x0c\x26\xd4\x6c\xf7\xfe\x90\xad\x36\xbb\x1f\xb3\x0c\xe4"
      "\x43\x0f\x4f\xb0\x7e\x7b\x96\x20\x68\xe9\x5c\x65\xc1\xc3\x7a\x69\xde\x36"
      "\x52\x60\x0c\xc4\x30\xb4\xd7\x27\x16\xf0\xf2\x58\x00\xc8\x5f\xa6\x3c\xed"
      "\xf9\x8d\xa6\x62\x2a\x4f\xd9\xd2\x36\x2e\xb4\xec\x5e\xc9\x27\xa5\xcf\x2d"
      "\xf9\xe5\x63\x67\x96\x80\x0a\x8d\xdd\xa0\x02\xe1\x9a\x78\x83\x0f\x69\x3d"
      "\xff\x23\x57\x1a\xff\x32\x66\x2f\x55\x4d\xb5\xa7\x0f\x1f\xf7\xd0\x38"
      "\x75",
      3978);
  *(uint64_t*)0x20000090 = 0x20000100;
  memcpy((void*)0x20000100, "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 = 0;
  *(uint32_t*)0x200000d8 = 0;
  *(uint32_t*)0x200000dc = 0x10;
  *(uint64_t*)0x200000e0 = 0;
  *(uint32_t*)0x200000e8 = 0;
  *(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;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000080ul, /*size=*/0x41ul);
  *(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[0];
  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 = 0x20000600;
  memcpy((void*)0x20000600, "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[1] = res;
  *(uint64_t*)0x200001c0 = 0x20000000;
  memcpy((void*)0x20000000, "kfree\000", 6);
  *(uint32_t*)0x200001c8 = r[1];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200001c0ul, /*size=*/0x10ul);
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  syscall(__NR_mkdirat, /*fd=*/0xffffffffffffff9cul, /*path=*/0ul,
          /*mode=*/0x1fful);
  *(uint32_t*)0x20000200 = 0x18;
  *(uint32_t*)0x20000204 = 0xb;
  *(uint64_t*)0x20000208 = 0x20000380;
  memcpy((void*)0x20000380,
         "\x18\x00\x00\x00\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18"
         "\x01\x00\x00\x20\x20\x70\x25\x00\x00\x00\x00\x63\x20\x00\x00\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\x06\x00\x00\x00\x95",
         81);
  *(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=*/0x90ul);
  if (res != -1)
    r[2] = res;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  *(uint32_t*)0x200000c0 = 0;
  *(uint32_t*)0x200000c4 = 0x14;
  *(uint64_t*)0x200000c8 = 0x200002c0;
  *(uint32_t*)0x200002c0 = -1;
  memcpy((void*)0x200002c4,
         "\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\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",
         101);
  *(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;
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000c0ul, /*size=*/0x90ul);
  *(uint64_t*)0x20000400 = 0;
  *(uint32_t*)0x20000408 = 0xffffffbc;
  *(uint64_t*)0x20000410 = 0;
  *(uint64_t*)0x20000418 = 0;
  *(uint64_t*)0x20000420 = 0x200003c0;
  *(uint64_t*)0x20000428 = 0x18;
  *(uint32_t*)0x20000430 = 0;
  syscall(__NR_recvmsg, /*fd=*/-1, /*msg=*/0x20000400ul, /*f=*/0ul, 0);
  *(uint64_t*)0x200000c0 = 0x20000040;
  memcpy((void*)0x20000040, "ext4_mark_inode_dirty\000", 22);
  *(uint32_t*)0x200000c8 = r[2];
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000c0ul, /*size=*/0x10ul);
  *(uint64_t*)0x20000040 = 0;
  syscall(__NR_ioctl, /*fd=*/-1, /*cmd=*/0x4030582a, /*period=*/0x20000040ul);
}
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);
  const char* reason;
  (void)reason;
  for (procid = 0; procid < 5; procid++) {
    if (fork() == 0) {
      use_temporary_dir();
      loop();
    }
  }
  sleep(1000000);
  return 0;
}