// https://syzkaller.appspot.com/bug?id=48936ec7813d93df7f55fc23ad1273dd9212abc8
// 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 <setjmp.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 __thread int clone_ongoing;
static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  if (__atomic_load_n(&clone_ongoing, __ATOMIC_RELAXED) != 0) {
    exit(sig);
  }
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  int skip = __atomic_load_n(&skip_segv, __ATOMIC_RELAXED) != 0;
  int valid = addr < prog_start || addr > prog_end;
  if (skip && valid) {
    _longjmp(segv_env, 1);
  }
  exit(sig);
}

static void install_segv_handler(void)
{
  struct sigaction sa;
  memset(&sa, 0, sizeof(sa));
  sa.sa_handler = SIG_IGN;
  syscall(SYS_rt_sigaction, 0x20, &sa, NULL, 8);
  syscall(SYS_rt_sigaction, 0x21, &sa, NULL, 8);
  memset(&sa, 0, sizeof(sa));
  sa.sa_sigaction = segv_handler;
  sa.sa_flags = SA_NODEFER | SA_SIGINFO;
  sigaction(SIGSEGV, &sa, NULL);
  sigaction(SIGBUS, &sa, NULL);
}

#define NONFAILING(...)                                                        \
  ({                                                                           \
    int ok = 1;                                                                \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    } else                                                                     \
      ok = 0;                                                                  \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    ok;                                                                        \
  })

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))))

struct csum_inet {
  uint32_t acc;
};

static void csum_inet_init(struct csum_inet* csum)
{
  csum->acc = 0;
}

static void csum_inet_update(struct csum_inet* csum, const uint8_t* data,
                             size_t length)
{
  if (length == 0)
    return;
  size_t i = 0;
  for (; i < length - 1; i += 2)
    csum->acc += *(uint16_t*)&data[i];
  if (length & 1)
    csum->acc += le16toh((uint16_t)data[length - 1]);
  while (csum->acc > 0xffff)
    csum->acc = (csum->acc & 0xffff) + (csum->acc >> 16);
}

static uint16_t csum_inet_digest(struct csum_inet* csum)
{
  return ~csum->acc;
}

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_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);
}

static const char* setup_usb()
{
  if (chmod("/dev/raw-gadget", 0666))
    return "failed to chmod /dev/raw-gadget";
  return NULL;
}

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] = {0x0, 0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
  }
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x0 (8 bytes)
  //    arg: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {} (length 0x0)
  //        }
  //      }
  //    }
  //    size: len = 0x50 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x2000000009c0ul, /*size=*/0x50ul);
  //  bpf$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 = 0x0 (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //          }
  //        }
  //        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 = 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 = 0x31 (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 = 0x45 (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
  NONFAILING(*(uint32_t*)0x200000000380 = 0);
  NONFAILING(*(uint32_t*)0x200000000384 = 0xc);
  NONFAILING(*(uint64_t*)0x200000000388 = 0x200000000540);
  NONFAILING(*(uint64_t*)0x200000000390 = 0);
  NONFAILING(*(uint32_t*)0x200000000398 = 0);
  NONFAILING(*(uint32_t*)0x20000000039c = 0);
  NONFAILING(*(uint64_t*)0x2000000003a0 = 0);
  NONFAILING(*(uint32_t*)0x2000000003a8 = 0);
  NONFAILING(*(uint32_t*)0x2000000003ac = 0);
  NONFAILING(memset((void*)0x2000000003b0, 0, 16));
  NONFAILING(*(uint32_t*)0x2000000003c0 = 0);
  NONFAILING(*(uint32_t*)0x2000000003c4 = 0x31);
  NONFAILING(*(uint32_t*)0x2000000003c8 = -1);
  NONFAILING(*(uint32_t*)0x2000000003cc = 0);
  NONFAILING(*(uint64_t*)0x2000000003d0 = 0);
  NONFAILING(*(uint32_t*)0x2000000003d8 = 0);
  NONFAILING(*(uint32_t*)0x2000000003dc = 0);
  NONFAILING(*(uint64_t*)0x2000000003e0 = 0);
  NONFAILING(*(uint32_t*)0x2000000003e8 = 0);
  NONFAILING(*(uint32_t*)0x2000000003ec = 0);
  NONFAILING(*(uint32_t*)0x2000000003f0 = 0);
  NONFAILING(*(uint32_t*)0x2000000003f4 = 0x45);
  NONFAILING(*(uint64_t*)0x2000000003f8 = 0);
  NONFAILING(*(uint64_t*)0x200000000400 = 0);
  NONFAILING(*(uint32_t*)0x200000000408 = 0);
  NONFAILING(*(uint32_t*)0x20000000040c = 0);
  NONFAILING(*(uint32_t*)0x200000000410 = 0);
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000380ul, /*size=*/0x94ul);
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: nil
  //    size: len = 0x0 (8 bytes)
  //  ]
  //  returns fd_perf_base
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0ul, /*size=*/0ul);
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: nil
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x18 (8 bytes)
  //  ]
  //  returns fd_perf_base
  NONFAILING(*(uint64_t*)0x200000000200 = 0);
  NONFAILING(*(uint32_t*)0x200000000208 = -1);
  NONFAILING(*(uint32_t*)0x20000000020c = 0);
  NONFAILING(*(uint64_t*)0x200000000210 = 0);
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000200ul, /*size=*/0x18ul);
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {70 65 72 63 70 75 5f 66 72 65 65 5f 70 65 72 63 70 75 00}
  //          (length 0x13)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_perf_base
  NONFAILING(*(uint64_t*)0x200000000200 = 0x200000000500);
  NONFAILING(memcpy((void*)0x200000000500, "percpu_free_percpu\000", 19));
  NONFAILING(*(uint32_t*)0x200000000208 = -1);
  NONFAILING(*(uint32_t*)0x20000000020c = 0);
  NONFAILING(*(uint64_t*)0x200000000210 = 0);
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000200ul, /*size=*/0x10ul);
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x2000000000000000 (8 bytes)
  //    arg: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {06 00 00 00 04 00 00 00 ff 01 00 00 5c 00 00 20
  //          00 00 00 00} (length 0x14)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //          00 00 00 00} (length 0x14)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {00 00 00 00 fe ff ff ff 00 00 00 00 00 00 00 00
  //          00 00 00 00 00 00 00 00 00 00 00 00} (length 0x1c)
  //        }
  //      }
  //    }
  //    size: len = 0x50 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  NONFAILING(memcpy((void*)0x200000000140,
                    "\x06\x00\x00\x00\x04\x00\x00\x00\xff\x01\x00\x00\x5c\x00"
                    "\x00\x20\x00\x00\x00\x00",
                    20));
  NONFAILING(*(uint32_t*)0x200000000154 = -1);
  NONFAILING(memcpy((void*)0x200000000158,
                    "\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
                    "\x00\x00\x00\x00\x00\x00",
                    20));
  NONFAILING(*(uint32_t*)0x20000000016c = 0);
  NONFAILING(*(uint32_t*)0x200000000170 = -1);
  NONFAILING(memcpy((void*)0x200000000174,
                    "\x00\x00\x00\x00\xfe\xff\xff\xff\x00\x00\x00\x00\x00\x00"
                    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
                    28));
  syscall(__NR_bpf, /*cmd=*/0x2000000000000000ul, /*arg=*/0x200000000140ul,
          /*size=*/0x50ul);
  //  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 = 0x0 (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //          }
  //        }
  //        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 = 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 = 0x0 (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
  NONFAILING(*(uint32_t*)0x2000000000c0 = 0);
  NONFAILING(*(uint32_t*)0x2000000000c4 = 0xc);
  NONFAILING(*(uint64_t*)0x2000000000c8 = 0x200000000440);
  NONFAILING(*(uint64_t*)0x2000000000d0 = 0);
  NONFAILING(*(uint32_t*)0x2000000000d8 = 0);
  NONFAILING(*(uint32_t*)0x2000000000dc = 0);
  NONFAILING(*(uint64_t*)0x2000000000e0 = 0);
  NONFAILING(*(uint32_t*)0x2000000000e8 = 0);
  NONFAILING(*(uint32_t*)0x2000000000ec = 0);
  NONFAILING(memset((void*)0x2000000000f0, 0, 16));
  NONFAILING(*(uint32_t*)0x200000000100 = 0);
  NONFAILING(*(uint32_t*)0x200000000104 = 0);
  NONFAILING(*(uint32_t*)0x200000000108 = -1);
  NONFAILING(*(uint32_t*)0x20000000010c = 0);
  NONFAILING(*(uint64_t*)0x200000000110 = 0);
  NONFAILING(*(uint32_t*)0x200000000118 = 0);
  NONFAILING(*(uint32_t*)0x20000000011c = 0);
  NONFAILING(*(uint64_t*)0x200000000120 = 0);
  NONFAILING(*(uint32_t*)0x200000000128 = 0);
  NONFAILING(*(uint32_t*)0x20000000012c = 0);
  NONFAILING(*(uint32_t*)0x200000000130 = 0);
  NONFAILING(*(uint32_t*)0x200000000134 = 0);
  NONFAILING(*(uint64_t*)0x200000000138 = 0);
  NONFAILING(*(uint64_t*)0x200000000140 = 0);
  NONFAILING(*(uint32_t*)0x200000000148 = 0);
  NONFAILING(*(uint32_t*)0x20000000014c = 0);
  NONFAILING(*(uint32_t*)0x200000000150 = 0);
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000000c0ul, /*size=*/0x94ul);
  //  bpf$MAP_CREATE arguments: [
  //    cmd: const = 0x0 (8 bytes)
  //    arg: ptr[inout, array[ANYUNION]] {
  //      array[ANYUNION] {
  //        union ANYUNION {
  //          ANYBLOB: buffer: {} (length 0x0)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {00 00 00 00 00 00 04 00 00 00 de ff ff ff ff ff
  //          ff ff 00 00} (length 0x14)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYRES32: ANYRES32 (resource)
  //        }
  //        union ANYUNION {
  //          ANYBLOB: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  //          00 00 00 00 00 00 00 00 00 00 00 00} (length 0x1c)
  //        }
  //      }
  //    }
  //    size: len = 0x48 (8 bytes)
  //  ]
  //  returns fd_bpf_map
  NONFAILING(*(uint32_t*)0x2000000000c0 = -1);
  NONFAILING(memcpy((void*)0x2000000000c4,
                    "\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\xde\xff\xff\xff"
                    "\xff\xff\xff\xff\x00\x00",
                    20));
  NONFAILING(*(uint32_t*)0x2000000000d8 = 0);
  NONFAILING(*(uint32_t*)0x2000000000dc = -1);
  NONFAILING(memset((void*)0x2000000000e0, 0, 28));
  syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x2000000000c0ul, /*size=*/0x48ul);
  //  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 = 0x0 (4 bytes)
  //        ninsn: bytesize8 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //          }
  //        }
  //        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 = 0x39 (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 = 0x2c (4 bytes)
  //        }
  //        btf_fd: fd_btf (resource)
  //        func_info_rec_size: const = 0x0 (4 bytes)
  //        func_info: nil
  //        func_info_cnt: len = 0x56 (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
  NONFAILING(*(uint32_t*)0x200000000200 = 0);
  NONFAILING(*(uint32_t*)0x200000000204 = 0xc);
  NONFAILING(*(uint64_t*)0x200000000208 = 0x200000000440);
  NONFAILING(*(uint64_t*)0x200000000210 = 0);
  NONFAILING(*(uint32_t*)0x200000000218 = 0);
  NONFAILING(*(uint32_t*)0x20000000021c = 0);
  NONFAILING(*(uint64_t*)0x200000000220 = 0);
  NONFAILING(*(uint32_t*)0x200000000228 = 0);
  NONFAILING(*(uint32_t*)0x20000000022c = 0x39);
  NONFAILING(memset((void*)0x200000000230, 0, 16));
  NONFAILING(*(uint32_t*)0x200000000240 = 0);
  NONFAILING(*(uint32_t*)0x200000000244 = 0x2c);
  NONFAILING(*(uint32_t*)0x200000000248 = -1);
  NONFAILING(*(uint32_t*)0x20000000024c = 0);
  NONFAILING(*(uint64_t*)0x200000000250 = 0);
  NONFAILING(*(uint32_t*)0x200000000258 = 0x56);
  NONFAILING(*(uint32_t*)0x20000000025c = 0);
  NONFAILING(*(uint64_t*)0x200000000260 = 0);
  NONFAILING(*(uint32_t*)0x200000000268 = 0);
  NONFAILING(*(uint32_t*)0x20000000026c = 0);
  NONFAILING(*(uint32_t*)0x200000000270 = -1);
  NONFAILING(*(uint32_t*)0x200000000274 = 0);
  NONFAILING(*(uint64_t*)0x200000000278 = 0);
  NONFAILING(*(uint64_t*)0x200000000280 = 0);
  NONFAILING(*(uint32_t*)0x200000000288 = 0);
  NONFAILING(*(uint32_t*)0x20000000028c = 0);
  NONFAILING(*(uint32_t*)0x200000000290 = 0);
  syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000200ul, /*size=*/0x94ul);
  //  bpf$MAP_GET_NEXT_KEY arguments: [
  //    cmd: const = 0x2 (8 bytes)
  //    arg: ptr[in, bpf_map_get_next_arg] {
  //      bpf_map_get_next_arg {
  //        map: fd_bpf_map (resource)
  //        pad = 0x0 (4 bytes)
  //        key: ptr[in, buffer] {
  //          buffer: {} (length 0x0)
  //        }
  //        next: ptr[out, buffer] {
  //          buffer: (DirOut)
  //        }
  //        flags: const = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x20 (8 bytes)
  //  ]
  NONFAILING(*(uint32_t*)0x200000000080 = -1);
  NONFAILING(*(uint64_t*)0x200000000088 = 0x200000000080);
  NONFAILING(*(uint64_t*)0x200000000090 = 0x200000000880);
  NONFAILING(*(uint64_t*)0x200000000098 = 0);
  syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x200000000080ul, /*size=*/0x20ul);
  //  ioctl$sock_ipv6_tunnel_SIOCGET6RD arguments: [
  //    fd: sock_udp (resource)
  //    cmd: const = 0x89f8 (4 bytes)
  //    arg: ptr[inout, ifreq_dev_t[ipv4_tunnel_names, ptr[inout,
  //    ip_tunnel_parm]]] {
  //      ifreq_dev_t[ipv4_tunnel_names, ptr[inout, ip_tunnel_parm]] {
  //        ifr_ifrn: buffer: {67 72 65 74 61 70 30 00 00 00 00 00 00 00 00 00}
  //        (length 0x10) elem: ptr[inout, ip_tunnel_parm] {
  //          ip_tunnel_parm {
  //            name: buffer: {73 79 7a 74 6e 6c 31 00 00 00 00 00 00 00 00 00}
  //            (length 0x10) link: ifindex (resource) i_flags:
  //            ip_tunnel_io_flags = 0x7 (2 bytes) o_flags: ip_tunnel_io_flags =
  //            0x89 (2 bytes) i_key: int32be = 0x7fff (4 bytes) o_key: int32be
  //            = 0xfffffff6 (4 bytes) iph:
  //            ipv4_packet_t[flags[ip_tunnel_protocols, int8], void] {
  //              header: ipv4_header[flags[ip_tunnel_protocols, int8]] {
  //                ihl: bytesize4 = 0x5 (0 bytes)
  //                version: const = 0x4 (1 bytes)
  //                ecn: int8 = 0x0 (0 bytes)
  //                dscp: int8 = 0x2 (1 bytes)
  //                total_len: len = 0x14 (2 bytes)
  //                id: int16be = 0x65 (2 bytes)
  //                frag_off: int16be = 0x0 (2 bytes)
  //                ttl: int8 = 0xc9 (1 bytes)
  //                protocol: ip_tunnel_protocols = 0x21 (1 bytes)
  //                csum: csum = 0x0 (2 bytes)
  //                src_ip: union ipv4_addr {
  //                  remote: ipv4_addr_t[const[187, int8]] {
  //                    a0: const = 0xac (1 bytes)
  //                    a1: const = 0x14 (1 bytes)
  //                    a2: const = 0x14 (1 bytes)
  //                    a3: const = 0xbb (1 bytes)
  //                  }
  //                }
  //                dst_ip: union ipv4_addr {
  //                  initdev: ipv4_addr_initdev {
  //                    a0: const = 0xac (1 bytes)
  //                    a1: const = 0x1e (1 bytes)
  //                    a2: int8 = 0x0 (1 bytes)
  //                    a3: proc = 0x0 (1 bytes)
  //                  }
  //                }
  //                options: ipv4_options {
  //                  options: array[ipv4_option] {
  //                  }
  //                }
  //              }
  //              payload: buffer: {} (length 0x0)
  //            }
  //          }
  //        }
  //        pad = 0x0 (16 bytes)
  //      }
  //    }
  //  ]
  NONFAILING(memcpy((void*)0x2000000002c0,
                    "gretap0\000\000\000\000\000\000\000\000\000", 16));
  NONFAILING(*(uint64_t*)0x2000000002d0 = 0x200000000600);
  NONFAILING(memcpy((void*)0x200000000600,
                    "syztnl1\000\000\000\000\000\000\000\000\000", 16));
  NONFAILING(*(uint32_t*)0x200000000610 = 0);
  NONFAILING(*(uint16_t*)0x200000000614 = htobe16(7));
  NONFAILING(*(uint16_t*)0x200000000616 = htobe16(0x89));
  NONFAILING(*(uint32_t*)0x200000000618 = htobe32(0x7fff));
  NONFAILING(*(uint32_t*)0x20000000061c = htobe32(0xfffffff6));
  NONFAILING(STORE_BY_BITMASK(uint8_t, , 0x200000000620, 5, 0, 4));
  NONFAILING(STORE_BY_BITMASK(uint8_t, , 0x200000000620, 4, 4, 4));
  NONFAILING(STORE_BY_BITMASK(uint8_t, , 0x200000000621, 0, 0, 2));
  NONFAILING(STORE_BY_BITMASK(uint8_t, , 0x200000000621, 2, 2, 6));
  NONFAILING(*(uint16_t*)0x200000000622 = htobe16(0x14));
  NONFAILING(*(uint16_t*)0x200000000624 = htobe16(0x65));
  NONFAILING(*(uint16_t*)0x200000000626 = htobe16(0));
  NONFAILING(*(uint8_t*)0x200000000628 = 0xc9);
  NONFAILING(*(uint8_t*)0x200000000629 = 0x21);
  NONFAILING(*(uint16_t*)0x20000000062a = htobe16(0));
  NONFAILING(*(uint8_t*)0x20000000062c = 0xac);
  NONFAILING(*(uint8_t*)0x20000000062d = 0x14);
  NONFAILING(*(uint8_t*)0x20000000062e = 0x14);
  NONFAILING(*(uint8_t*)0x20000000062f = 0xbb);
  NONFAILING(*(uint8_t*)0x200000000630 = 0xac);
  NONFAILING(*(uint8_t*)0x200000000631 = 0x1e);
  NONFAILING(*(uint8_t*)0x200000000632 = 0);
  NONFAILING(*(uint8_t*)0x200000000633 = 1);
  struct csum_inet csum_1;
  csum_inet_init(&csum_1);
  NONFAILING(csum_inet_update(&csum_1, (const uint8_t*)0x200000000620, 20));
  NONFAILING(*(uint16_t*)0x20000000062a = csum_inet_digest(&csum_1));
  res = syscall(__NR_ioctl, /*fd=*/(intptr_t)-1, /*cmd=*/0x89f8,
                /*arg=*/0x2000000002c0ul);
  if (res != -1)
    NONFAILING(r[0] = *(uint32_t*)0x200000000610);
  //  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 = 0xc (4 bytes)
  //        insns: ptr[inout, array[ANYUNION]] {
  //          array[ANYUNION] {
  //          }
  //        }
  //        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 = 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 = 0x3e (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
  NONFAILING(*(uint32_t*)0x2000000000c0 = 0x11);
  NONFAILING(*(uint32_t*)0x2000000000c4 = 0xc);
  NONFAILING(*(uint64_t*)0x2000000000c8 = 0x200000000440);
  NONFAILING(*(uint64_t*)0x2000000000d0 = 0);
  NONFAILING(*(uint32_t*)0x2000000000d8 = 0);
  NONFAILING(*(uint32_t*)0x2000000000dc = 0);
  NONFAILING(*(uint64_t*)0x2000000000e0 = 0);
  NONFAILING(*(uint32_t*)0x2000000000e8 = 0);
  NONFAILING(*(uint32_t*)0x2000000000ec = 0);
  NONFAILING(memset((void*)0x2000000000f0, 0, 16));
  NONFAILING(*(uint32_t*)0x200000000100 = r[0]);
  NONFAILING(*(uint32_t*)0x200000000104 = 0x3e);
  NONFAILING(*(uint32_t*)0x200000000108 = -1);
  NONFAILING(*(uint32_t*)0x20000000010c = 0);
  NONFAILING(*(uint64_t*)0x200000000110 = 0);
  NONFAILING(*(uint32_t*)0x200000000118 = 0);
  NONFAILING(*(uint32_t*)0x20000000011c = 0);
  NONFAILING(*(uint64_t*)0x200000000120 = 0);
  NONFAILING(*(uint32_t*)0x200000000128 = 0);
  NONFAILING(*(uint32_t*)0x20000000012c = 0);
  NONFAILING(*(uint32_t*)0x200000000130 = 0);
  NONFAILING(*(uint32_t*)0x200000000134 = 0);
  NONFAILING(*(uint64_t*)0x200000000138 = 0);
  NONFAILING(*(uint64_t*)0x200000000140 = 0);
  NONFAILING(*(uint32_t*)0x200000000148 = 0);
  NONFAILING(*(uint32_t*)0x20000000014c = 0);
  NONFAILING(*(uint32_t*)0x200000000150 = 0);
  res =
      syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000000c0ul, /*size=*/0x94ul);
  if (res != -1)
    r[1] = res;
  //  mlock arguments: [
  //    addr: VMA[0x1000]
  //    size: len = 0x1000 (8 bytes)
  //  ]
  syscall(__NR_mlock, /*addr=*/0x200000ffe000ul, /*size=*/0x1000ul);
  //  mlock arguments: [
  //    addr: VMA[0x1000]
  //    size: len = 0x1000 (8 bytes)
  //  ]
  syscall(__NR_mlock, /*addr=*/0x200000ffe000ul, /*size=*/0x1000ul);
  //  bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [
  //    cmd: const = 0x11 (8 bytes)
  //    arg: ptr[in, bpf_raw_tracepoint] {
  //      bpf_raw_tracepoint {
  //        name: ptr[in, buffer] {
  //          buffer: {73 63 68 65 64 5f 73 77 69 74 63 68 00} (length 0xd)
  //        }
  //        prog_fd: fd_bpf_prog_raw_tracepoint (resource)
  //        pad: const = 0x0 (4 bytes)
  //        cookie: int64 = 0x0 (8 bytes)
  //      }
  //    }
  //    size: len = 0x10 (8 bytes)
  //  ]
  //  returns fd_perf_base
  NONFAILING(*(uint64_t*)0x200000000740 = 0x200000000300);
  NONFAILING(memcpy((void*)0x200000000300, "sched_switch\000", 13));
  NONFAILING(*(uint32_t*)0x200000000748 = r[1]);
  NONFAILING(*(uint32_t*)0x20000000074c = 0);
  NONFAILING(*(uint64_t*)0x200000000750 = 0);
  syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000740ul, /*size=*/0x10ul);
}
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;
  if ((reason = setup_usb()))
    printf("the reproducer may not work as expected: USB injection setup "
           "failed: %s\n",
           reason);
  install_segv_handler();
  do_sandbox_none();
  return 0;
}