// https://syzkaller.appspot.com/bug?id=41250a7298910b561be8f409f473ca8588ef1073
// 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 long syz_open_procfs(volatile long a0, volatile long a1)
{
  char buf[128];
  memset(buf, 0, sizeof(buf));
  if (a0 == 0) {
    snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1);
  } else if (a0 == -1) {
    snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1);
  } else {
    snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0, (char*)a1);
  }
  int fd = open(buf, O_RDWR);
  if (fd == -1)
    fd = open(buf, O_RDONLY);
  return fd;
}

static void setup_gadgetfs();
static void setup_binderfs();
static void setup_fusectl();
static void sandbox_common_mount_tmpfs(void)
{
  write_file("/proc/sys/fs/mount-max", "100000");
  if (mkdir("./syz-tmp", 0777))
    exit(1);
  if (mount("", "./syz-tmp", "tmpfs", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot", 0777))
    exit(1);
  if (mkdir("./syz-tmp/newroot/dev", 0700))
    exit(1);
  unsigned bind_mount_flags = MS_BIND | MS_REC | MS_PRIVATE;
  if (mount("/dev", "./syz-tmp/newroot/dev", NULL, bind_mount_flags, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/proc", 0700))
    exit(1);
  if (mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL))
    exit(1);
  if (mkdir("./syz-tmp/newroot/selinux", 0700))
    exit(1);
  const char* selinux_path = "./syz-tmp/newroot/selinux";
  if (mount("/selinux", selinux_path, NULL, bind_mount_flags, NULL)) {
    if (errno != ENOENT)
      exit(1);
    if (mount("/sys/fs/selinux", selinux_path, NULL, bind_mount_flags, NULL) &&
        errno != ENOENT)
      exit(1);
  }
  if (mkdir("./syz-tmp/newroot/sys", 0700))
    exit(1);
  if (mount("/sys", "./syz-tmp/newroot/sys", 0, bind_mount_flags, NULL))
    exit(1);
  if (mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL,
            bind_mount_flags, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mount("/proc/sys/fs/binfmt_misc",
            "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, bind_mount_flags,
            NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/newroot/syz-inputs", 0700))
    exit(1);
  if (mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL,
            bind_mount_flags | MS_RDONLY, NULL) &&
      errno != ENOENT)
    exit(1);
  if (mkdir("./syz-tmp/pivot", 0777))
    exit(1);
  if (syscall(SYS_pivot_root, "./syz-tmp", "./syz-tmp/pivot")) {
    if (chdir("./syz-tmp"))
      exit(1);
  } else {
    if (chdir("/"))
      exit(1);
    if (umount2("./pivot", MNT_DETACH))
      exit(1);
  }
  if (chroot("./newroot"))
    exit(1);
  if (chdir("/"))
    exit(1);
  setup_gadgetfs();
  setup_binderfs();
  setup_fusectl();
}

static void setup_gadgetfs()
{
  if (mkdir("/dev/gadgetfs", 0777)) {
  }
  if (mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL)) {
  }
}

static void setup_fusectl()
{
  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);
  if (getppid() == 1)
    exit(1);
  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);
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  write_file("/proc/sys/net/ipv4/ping_group_range", "0 65535");
  sandbox_common_mount_tmpfs();
  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);
}

#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++) {
    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 (;;) {
      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;
    }
  }
}

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: ptr[in, buffer] {
  //      buffer: {6e 65 74 5f 70 72 69 6f 2e 70 72 69 6f 69 64 78 00} (length
  //      0x11)
  //    }
  //    flags: const = 0x0 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  memcpy((void*)0x200000000000, "net_prio.prioidx\000", 17);
  res = syscall(__NR_openat, /*fd=*/(intptr_t)-1, /*file=*/0x200000000000ul,
                /*flags=*/0, /*mode=*/0);
  if (res != -1)
    r[0] = res;
  //  openat$cgroup_ro arguments: [
  //    fd: fd_cgroup (resource)
  //    file: nil
  //    flags: const = 0x0 (4 bytes)
  //    mode: const = 0x0 (2 bytes)
  //  ]
  //  returns fd
  syscall(__NR_openat, /*fd=*/r[0], /*file=*/0ul, /*flags=*/0, /*mode=*/0);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  //  bpf$PROG_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_bpf_prog
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  //  sendmsg$kcm arguments: [
  //    fd: sock_kcm (resource)
  //    msg: nil
  //    f: send_flags = 0x24000000 (8 bytes)
  //  ]
  syscall(__NR_sendmsg, /*fd=*/(intptr_t)-1, /*msg=*/0ul,
          /*f=MSG_ZEROCOPY|MSG_FASTOPEN*/ 0x24000000ul);
  //  socket$kcm arguments: [
  //    domain: const = 0x29 (8 bytes)
  //    type: kcm_socket_type = 0x2 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_kcm
  syscall(__NR_socket, /*domain=*/0x29ul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0);
  //  bpf$ITER_CREATE arguments: [
  //    cmd: const = 0xb (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd
  syscall(__NR_bpf, /*cmd=*/0xbul, /*arg=*/0ul, /*size=*/0ul);
  //  syz_open_procfs$namespace arguments: [
  //    pid: pid (resource)
  //    file: nil
  //  ]
  //  returns fd_namespace
  syz_open_procfs(/*pid=*/-1, /*file=*/0);
  //  perf_event_open arguments: [
  //    attr: ptr[in, perf_event_attr] {
  //      perf_event_attr {
  //        type: perf_event_type = 0x2 (4 bytes)
  //        size: len = 0x80 (4 bytes)
  //        config0: int8 = 0x28 (1 bytes)
  //        config1: int8 = 0x1 (1 bytes)
  //        config2: int8 = 0x0 (1 bytes)
  //        config3: int8 = 0x0 (1 bytes)
  //        config4: const = 0x0 (4 bytes)
  //        sample_freq: int64 = 0x9 (8 bytes)
  //        sample_type: perf_sample_type = 0x640b9 (8 bytes)
  //        read_format: perf_read_format = 0x3 (8 bytes)
  //        disabled: int64 = 0x0 (0 bytes)
  //        inherit: int64 = 0x0 (0 bytes)
  //        pinned: int64 = 0x0 (0 bytes)
  //        exclusive: int64 = 0x0 (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 = 0x0 (0 bytes)
  //        comm: int64 = 0x0 (0 bytes)
  //        freq: int64 = 0x0 (0 bytes)
  //        inherit_stat: int64 = 0x0 (0 bytes)
  //        enable_on_exec: int64 = 0x0 (0 bytes)
  //        task: int64 = 0x0 (0 bytes)
  //        watermark: int64 = 0x0 (0 bytes)
  //        precise_ip: int64 = 0x0 (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 = 0x0 (0 bytes)
  //        use_clockid: int64 = 0x0 (0 bytes)
  //        context_switch: int64 = 0x0 (0 bytes)
  //        write_backward: int64 = 0x0 (0 bytes)
  //        namespaces: int64 = 0x0 (0 bytes)
  //        ksymbol: int64 = 0x0 (0 bytes)
  //        bpf_event: int64 = 0x0 (0 bytes)
  //        aux_output: int64 = 0x0 (0 bytes)
  //        cgroup: int64 = 0x0 (0 bytes)
  //        text_poke: int64 = 0x0 (0 bytes)
  //        build_id: int64 = 0x0 (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 = 0x107b7e (4 bytes)
  //        bp_type: perf_bp_type = 0x2 (4 bytes)
  //        bp_config: union perf_bp_config {
  //          perf_config_ext: perf_config_ext {
  //            config1: int64 = 0x0 (8 bytes)
  //            config2: int64 = 0x3fff8000 (8 bytes)
  //          }
  //        }
  //        branch_sample_type: perf_branch_sample_type = 0x0 (8 bytes)
  //        sample_regs_user: int64 = 0x32 (8 bytes)
  //        sample_stack_user: int32 = 0x43a1bd76 (4 bytes)
  //        clockid: clock_type = 0x7 (4 bytes)
  //        sample_regs_intr: int64 = 0x9 (8 bytes)
  //        aux_watermark: int32 = 0x6 (4 bytes)
  //        sample_max_stack: int16 = 0x2 (2 bytes)
  //        __reserved_2: const = 0x0 (2 bytes)
  //        aux_sample_size: int32 = 0x0 (4 bytes)
  //        __reserved_3: const = 0x0 (4 bytes)
  //        sig_data: int64 = 0x2009 (8 bytes)
  //      }
  //    }
  //    pid: pid (resource)
  //    cpu: intptr = 0x0 (8 bytes)
  //    group: fd_perf (resource)
  //    flags: perf_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_perf
  *(uint32_t*)0x200000000500 = 2;
  *(uint32_t*)0x200000000504 = 0x80;
  *(uint8_t*)0x200000000508 = 0x28;
  *(uint8_t*)0x200000000509 = 1;
  *(uint8_t*)0x20000000050a = 0;
  *(uint8_t*)0x20000000050b = 0;
  *(uint32_t*)0x20000000050c = 0;
  *(uint64_t*)0x200000000510 = 9;
  *(uint64_t*)0x200000000518 = 0x640b9;
  *(uint64_t*)0x200000000520 = 3;
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 1, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 2, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 3, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 8, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 11, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 13, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 15, 2);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 24, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 26, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 27, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 28, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 29, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 30, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 31, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 32, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 33, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 34, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 35, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 36, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 37, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 38, 26);
  *(uint32_t*)0x200000000530 = 0x107b7e;
  *(uint32_t*)0x200000000534 = 2;
  *(uint64_t*)0x200000000538 = 0;
  *(uint64_t*)0x200000000540 = 0x3fff8000;
  *(uint64_t*)0x200000000548 = 0;
  *(uint64_t*)0x200000000550 = 0x32;
  *(uint32_t*)0x200000000558 = 0x43a1bd76;
  *(uint32_t*)0x20000000055c = 7;
  *(uint64_t*)0x200000000560 = 9;
  *(uint32_t*)0x200000000568 = 6;
  *(uint16_t*)0x20000000056c = 2;
  *(uint16_t*)0x20000000056e = 0;
  *(uint32_t*)0x200000000570 = 0;
  *(uint32_t*)0x200000000574 = 0;
  *(uint64_t*)0x200000000578 = 0x2009;
  syscall(__NR_perf_event_open, /*attr=*/0x200000000500ul, /*pid=*/0,
          /*cpu=*/0ul, /*group=*/(intptr_t)-1, /*flags=*/0ul);
  //  perf_event_open arguments: [
  //    attr: nil
  //    pid: pid (resource)
  //    cpu: intptr = 0xffffffffffffffff (8 bytes)
  //    group: fd_perf (resource)
  //    flags: perf_flags = 0xa (8 bytes)
  //  ]
  //  returns fd_perf
  syscall(__NR_perf_event_open, /*attr=*/0ul, /*pid=*/0, /*cpu=*/(intptr_t)-1,
          /*group=*/(intptr_t)-1,
          /*flags=PERF_FLAG_FD_CLOEXEC|PERF_FLAG_FD_OUTPUT*/ 0xaul);
  //  recvmsg$kcm arguments: [
  //    fd: sock_kcm (resource)
  //    msg: nil
  //    f: recv_flags = 0x140 (8 bytes)
  //  ]
  syscall(__NR_recvmsg, /*fd=*/(intptr_t)-1, /*msg=*/0ul,
          /*f=MSG_WAITALL|MSG_DONTWAIT*/ 0x140ul, 0);
  //  ioctl$SIOCSIFHWADDR arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x4020940d (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/(intptr_t)-1, /*cmd=*/0x4020940d, /*arg=*/0ul);
  //  socket$kcm arguments: [
  //    domain: const = 0x2b (8 bytes)
  //    type: kcm_socket_type = 0x1 (8 bytes)
  //    proto: const = 0x0 (4 bytes)
  //  ]
  //  returns sock_kcm
  syscall(__NR_socket, /*domain=*/0x2bul, /*type=*/1ul, /*proto=*/0);
  //  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 = 0x3 (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 = 0x24 (8 bytes)
  //        sample_type: perf_sample_type = 0x12506 (8 bytes)
  //        read_format: perf_read_format = 0x0 (8 bytes)
  //        disabled: int64 = 0x0 (0 bytes)
  //        inherit: int64 = 0x0 (0 bytes)
  //        pinned: int64 = 0x0 (0 bytes)
  //        exclusive: int64 = 0x0 (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 = 0x0 (0 bytes)
  //        comm: int64 = 0x0 (0 bytes)
  //        freq: int64 = 0x0 (0 bytes)
  //        inherit_stat: int64 = 0x0 (0 bytes)
  //        enable_on_exec: int64 = 0x0 (0 bytes)
  //        task: int64 = 0x0 (0 bytes)
  //        watermark: int64 = 0x0 (0 bytes)
  //        precise_ip: int64 = 0x0 (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 = 0x0 (0 bytes)
  //        use_clockid: int64 = 0x0 (0 bytes)
  //        context_switch: int64 = 0x0 (0 bytes)
  //        write_backward: int64 = 0x0 (0 bytes)
  //        namespaces: int64 = 0x0 (0 bytes)
  //        ksymbol: int64 = 0x0 (0 bytes)
  //        bpf_event: int64 = 0x0 (0 bytes)
  //        aux_output: int64 = 0x0 (0 bytes)
  //        cgroup: int64 = 0x0 (0 bytes)
  //        text_poke: int64 = 0x0 (0 bytes)
  //        build_id: int64 = 0x0 (0 bytes)
  //        inherit_thread: int64 = 0x0 (0 bytes)
  //        remove_on_exec: int64 = 0x1 (0 bytes)
  //        sigtrap: int64 = 0x1 (0 bytes)
  //        __reserved_1: const = 0x0 (8 bytes)
  //        wakeup_events: int32 = 0x0 (4 bytes)
  //        bp_type: perf_bp_type = 0x0 (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 = 0x7602 (8 bytes)
  //        sample_regs_user: int64 = 0x0 (8 bytes)
  //        sample_stack_user: int32 = 0x0 (4 bytes)
  //        clockid: clock_type = 0x0 (4 bytes)
  //        sample_regs_intr: int64 = 0x0 (8 bytes)
  //        aux_watermark: int32 = 0x0 (4 bytes)
  //        sample_max_stack: int16 = 0x0 (2 bytes)
  //        __reserved_2: const = 0x0 (2 bytes)
  //        aux_sample_size: int32 = 0x0 (4 bytes)
  //        __reserved_3: const = 0x0 (4 bytes)
  //        sig_data: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    pid: pid (resource)
  //    cpu: intptr = 0xffffffffffffffff (8 bytes)
  //    group: fd_perf (resource)
  //    flags: perf_flags = 0x0 (8 bytes)
  //  ]
  //  returns fd_perf
  *(uint32_t*)0x200000000500 = 1;
  *(uint32_t*)0x200000000504 = 0x80;
  *(uint8_t*)0x200000000508 = 3;
  *(uint8_t*)0x200000000509 = 0;
  *(uint8_t*)0x20000000050a = 0;
  *(uint8_t*)0x20000000050b = 0;
  *(uint32_t*)0x20000000050c = 0;
  *(uint64_t*)0x200000000510 = 0x24;
  *(uint64_t*)0x200000000518 = 0x12506;
  *(uint64_t*)0x200000000520 = 0;
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 1, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 2, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 3, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 8, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 11, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 13, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 15, 2);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 24, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 26, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 27, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 28, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 29, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 30, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 31, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 32, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 33, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 34, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 35, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 1, 36, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 1, 37, 1);
  STORE_BY_BITMASK(uint64_t, , 0x200000000528, 0, 38, 26);
  *(uint32_t*)0x200000000530 = 0;
  *(uint32_t*)0x200000000534 = 0;
  *(uint64_t*)0x200000000538 = 0;
  *(uint64_t*)0x200000000540 = 8;
  *(uint64_t*)0x200000000548 = 0x7602;
  *(uint64_t*)0x200000000550 = 0;
  *(uint32_t*)0x200000000558 = 0;
  *(uint32_t*)0x20000000055c = 0;
  *(uint64_t*)0x200000000560 = 0;
  *(uint32_t*)0x200000000568 = 0;
  *(uint16_t*)0x20000000056c = 0;
  *(uint16_t*)0x20000000056e = 0;
  *(uint32_t*)0x200000000570 = 0;
  *(uint32_t*)0x200000000574 = 0;
  *(uint64_t*)0x200000000578 = 0;
  syscall(__NR_perf_event_open, /*attr=*/0x200000000500ul, /*pid=*/0,
          /*cpu=*/(intptr_t)-1, /*group=*/(intptr_t)-1, /*flags=*/0ul);
  //  bpf$BPF_PROG_WITH_BTFID_LOAD arguments: [
  //    cmd: const = 0x5 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_bpf_prog_with_btfid
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0ul, /*size=*/0ul);
  //  bpf$ITER_CREATE arguments: [
  //    cmd: const = 0xb (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd
  res = syscall(__NR_bpf, /*cmd=*/0xbul, /*arg=*/0ul, /*size=*/0ul);
  if (res != -1)
    r[1] = res;
  //  bpf$BPF_PROG_TEST_RUN arguments: [
  //    cmd: const = 0x1c (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  syscall(__NR_bpf, /*cmd=*/0x1cul, /*arg=*/0ul, /*size=*/0ul);
  //  ioctl$TUNGETVNETLE arguments: [
  //    fd: fd_tun (resource)
  //    cmd: const = 0x800454dd (4 bytes)
  //    arg: nil
  //  ]
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x800454dd, /*arg=*/0ul);
  //  syz_clone arguments: [
  //    flags: clone_flags = 0x41200000 (8 bytes)
  //    stack: nil
  //    stack_len: bytesize = 0x0 (8 bytes)
  //    parentid: nil
  //    childtid: nil
  //    tls: nil
  //  ]
  //  returns pid
  syz_clone(
      /*flags=CLONE_NEWNET|CLONE_CHILD_SETTID|CLONE_CHILD_CLEARTID*/ 0x41200000,
      /*stack=*/0, /*stack_len=*/0, /*parentid=*/0, /*childtid=*/0, /*tls=*/0);
}
int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000,
          /*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=*/0x1000, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
          /*fd=*/(intptr_t)-1, /*offset=*/0ul);
  const char* reason;
  (void)reason;
  do_sandbox_none();
  return 0;
}