// https://syzkaller.appspot.com/bug?id=9919d766c782d458b88ece87aacf867d6bc3e891
// 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;
}

static bool write_file(const char* file, const char* what, ...)
{
  char buf[1024];
  va_list args;
  va_start(args, what);
  vsnprintf(buf, sizeof(buf), what, args);
  va_end(args);
  buf[sizeof(buf) - 1] = 0;
  int len = strlen(buf);
  int fd = open(file, O_WRONLY | O_CLOEXEC);
  if (fd == -1)
    return false;
  if (write(fd, buf, len) != len) {
    int err = errno;
    close(fd);
    errno = err;
    return false;
  }
  close(fd);
  return true;
}

#define MAX_FDS 30

static void setup_common()
{
  if (mount(0, "/sys/fs/fuse/connections", "fusectl", 0, 0)) {
  }
}

static void setup_binderfs()
{
  if (mkdir("/dev/binderfs", 0777)) {
  }
  if (mount("binder", "/dev/binderfs", "binder", 0, NULL)) {
  }
  if (symlink("/dev/binderfs", "./binderfs")) {
  }
}

static void loop();

static void sandbox_common()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setsid();
  struct rlimit rlim;
  rlim.rlim_cur = rlim.rlim_max = (200 << 20);
  setrlimit(RLIMIT_AS, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 32 << 20;
  setrlimit(RLIMIT_MEMLOCK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 136 << 20;
  setrlimit(RLIMIT_FSIZE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 1 << 20;
  setrlimit(RLIMIT_STACK, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 0;
  setrlimit(RLIMIT_CORE, &rlim);
  rlim.rlim_cur = rlim.rlim_max = 256;
  setrlimit(RLIMIT_NOFILE, &rlim);
  if (unshare(CLONE_NEWNS)) {
  }
  if (mount(NULL, "/", NULL, MS_REC | MS_PRIVATE, NULL)) {
  }
  if (unshare(CLONE_NEWIPC)) {
  }
  if (unshare(0x02000000)) {
  }
  if (unshare(CLONE_NEWUTS)) {
  }
  if (unshare(CLONE_SYSVSEM)) {
  }
  typedef struct {
    const char* name;
    const char* value;
  } sysctl_t;
  static const sysctl_t sysctls[] = {
      {"/proc/sys/kernel/shmmax", "16777216"},
      {"/proc/sys/kernel/shmall", "536870912"},
      {"/proc/sys/kernel/shmmni", "1024"},
      {"/proc/sys/kernel/msgmax", "8192"},
      {"/proc/sys/kernel/msgmni", "1024"},
      {"/proc/sys/kernel/msgmnb", "1024"},
      {"/proc/sys/kernel/sem", "1024 1048576 500 1024"},
  };
  unsigned i;
  for (i = 0; i < sizeof(sysctls) / sizeof(sysctls[0]); i++)
    write_file(sysctls[i].name, sysctls[i].value);
}

static int wait_for_loop(int pid)
{
  if (pid < 0)
    exit(1);
  int status = 0;
  while (waitpid(-1, &status, __WALL) != pid) {
  }
  return WEXITSTATUS(status);
}

static void drop_caps(void)
{
  struct __user_cap_header_struct cap_hdr = {};
  struct __user_cap_data_struct cap_data[2] = {};
  cap_hdr.version = _LINUX_CAPABILITY_VERSION_3;
  cap_hdr.pid = getpid();
  if (syscall(SYS_capget, &cap_hdr, &cap_data))
    exit(1);
  const int drop = (1 << CAP_SYS_PTRACE) | (1 << CAP_SYS_NICE);
  cap_data[0].effective &= ~drop;
  cap_data[0].permitted &= ~drop;
  cap_data[0].inheritable &= ~drop;
  if (syscall(SYS_capset, &cap_hdr, &cap_data))
    exit(1);
}

static int do_sandbox_none(void)
{
  if (unshare(CLONE_NEWPID)) {
  }
  int pid = fork();
  if (pid != 0)
    return wait_for_loop(pid);
  setup_common();
  sandbox_common();
  drop_caps();
  if (unshare(CLONE_NEWNET)) {
  }
  setup_binderfs();
  loop();
  exit(1);
}

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

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

static void close_fds()
{
  for (int fd = 3; fd < MAX_FDS; fd++)
    close(fd);
}

static void setup_sysctl()
{
  char mypid[32];
  snprintf(mypid, sizeof(mypid), "%d", getpid());
  struct {
    const char* name;
    const char* data;
  } files[] = {
      {"/sys/kernel/debug/x86/nmi_longest_ns", "10000000000"},
      {"/proc/sys/kernel/hung_task_check_interval_secs", "20"},
      {"/proc/sys/net/core/bpf_jit_kallsyms", "1"},
      {"/proc/sys/net/core/bpf_jit_harden", "0"},
      {"/proc/sys/kernel/kptr_restrict", "0"},
      {"/proc/sys/kernel/softlockup_all_cpu_backtrace", "1"},
      {"/proc/sys/fs/mount-max", "100"},
      {"/proc/sys/vm/oom_dump_tasks", "0"},
      {"/proc/sys/debug/exception-trace", "0"},
      {"/proc/sys/kernel/printk", "7 4 1 3"},
      {"/proc/sys/net/ipv4/ping_group_range", "0 65535"},
      {"/proc/sys/kernel/keys/gc_delay", "1"},
      {"/proc/sys/vm/oom_kill_allocating_task", "1"},
      {"/proc/sys/kernel/ctrl-alt-del", "0"},
      {"/proc/sys/kernel/cad_pid", mypid},
  };
  for (size_t i = 0; i < sizeof(files) / sizeof(files[0]); i++) {
    if (!write_file(files[i].name, files[i].data))
      printf("write to %s failed: %s\n", files[i].name, strerror(errno));
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter = 0;
  for (;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      close_fds();
      exit(0);
    }
    int status = 0;
    uint64_t start = current_time_ms();
    for (;;) {
      if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid)
        break;
      sleep_ms(1);
      if (current_time_ms() - start < 5000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}

uint64_t r[1] = {0xffffffffffffffff};

void execute_one(void)
{
  intptr_t res = 0;
  NONFAILING(*(uint32_t*)0x20000080 = 0x11);
  NONFAILING(*(uint32_t*)0x20000084 = 8);
  NONFAILING(*(uint64_t*)0x20000088 = 0x20002740);
  NONFAILING(memcpy(
      (void*)0x20002740,
      "\x62\x0a\xf8\xff\x0c\x20\x00\x21\xbf\xa1\x00\x00\x00\x00\x00\x00\x07\x01"
      "\x00\x00\xf8\xff\xff\xff\xb7\x02\x00\x00\x03\x00\x00\x00\xbd\x12\x00\x00"
      "\x00\x00\x00\x00\x85\x00\x00\x00\x06\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"
      "\xd8\x12\xa2\xe2\xc4\x9e\x80\x20\xa6\xf4\xe0\xe4\xa9\x44\x6c\x76\x70\x56"
      "\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\xce\x9f\x36\xc7\x0d\x0f\x13\x90"
      "\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\x2c\x1e\x94\x00\xe6\x93\x14\x6c\xea\x48\x4a"
      "\x41\x5b\x76\x96\x61\x18\xb6\x4f\x75\x1a\x0f\x24\x1b\x07\x2e\x90\x08\x00"
      "\x08\x00\x2d\x75\x59\x3a\x28\x6c\xec\xc9\x3e\x64\xc2\x27\xc9\x5a\xa0\xb7"
      "\x84\x62\x57\x04\xf0\x7a\x72\xc2\x34\x66\x4c\x0a\xf9\x36\x0a\x1f\x7a\x5e"
      "\x6b\x60\x71\x30\xc8\x9f\x18\xc0\xc1\x08\x9d\x8b\x85\x32\x89\xd0\x1a\xa2"
      "\x7a\xe8\xb0\x9e\x00\xe7\x9a\xb2\x0b\x0b\x8e\x11\x48\xf4\x9f\xaf\x2a\xd0"
      "\x00\x00\x00\x00\x00\x00\x00\x6f\xa0\x3c\x64\x68\x97\x20\x89\xb3\x02\xd7"
      "\xbf\x23\x64\x14\x92\x15\x10\x83\x33\x71\x9a\xcd\x97\xcf\xa1\x07\xd4\x02"
      "\x24\xed\xc5\x46\x5a\x93\xdf\x85\x13\xa3\x2e\xc4\x50\xbe\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\xf4"
      "\xab\x87\xb1\xbf\xed\xa7\xbe\x58\x66\x02\xd9\x85\x43\x0c\xea\x01\x62\xab"
      "\x3f\xcf\x45\x91\xc9\x26\xab\xfb\x07\x67\x19\x23\x7c\x8d\x0e\x60\xb0\xee"
      "\xa2\x44\x92\xa6\x60\x58\x3e\xec\xdb\xf5\xbc\xd3\xde\x3a\x83\x20\x9d\xa1"
      "\x7a\x0f\xaf\x60\xfd\x6a\xd9\xb9\x7a\xa5\xfa\x68\x48\x03\x66\xc9\xc6\xfd"
      "\x6f\xa5\x04\x3a\xa3\x92\x6b\x81\xe3\xb5\x9c\x95\xc2\x5a\x57\x3d\xc2\xed"
      "\xca\xea\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\x93\x30\x14\x2b\xa1\x1d\xe6\xc5\xd5\x0b\x83"
      "\xba\xe6\x13\x40\x22\x16\xb5\x05\x4d\x1e\x7c\x13\xb1\x35\x5d\x6f\x4a\x82"
      "\x45\xff\xa4\x99\x7d\xa8\xc7\x7a\xf4\xc0\xeb\x97\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\x0f\x75\x05\xeb\xf6\xc9\xd1\x33\x30\xca\x00\x6b\xce"
      "\x1a\x84\x52\x1f\x14\x51\x8c\x9b\x47\x6f\xcc\xbd\x6c\x71\x20\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\xdd\x11\xe6\xe8\x86\x1c\x46\x49\x5b\xa5\x85"
      "\xa4\xb2\xd0\x2e\xdc\x3e\x28\xdd\x27\x1c\x89\x62\x49\xed\x85\xb9\x80\x68"
      "\x0b\x00\x00\x2b\x43\x5a\xc1\x5f\x2a\x16\x9c\xdc\xac\xc4\x13\xb4\x8d\xaf"
      "\xb7\xa2\xc8\xcb\x48\x2b\xac\x0a\xc5\x02\xd9\xba\x96\xff\xff\xff\x7f\x00"
      "\x00\x10\x00\x00\x00\x00\x00\x00\x7d\x5a\xd8\x97\xef\x3b\x7c\xda\x42\x01"
      "\x3d\x53\x04\x6d\xa2\x1b\x40\x21\x6e\x14\xba\x2d\x6a\xd5\x65\x6b\xff\xf1"
      "\x7a\xdd\xae\xda\xb2\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\xf7"
      "\x29\x43\x32\x82\x83\x06\x89\xda\x6b\x53\xb2\x63\x33\x98\x63\x29\x77\x71"
      "\x42\x9d\x12\x00\x00\x00\x33\x41\xb7\x4a\xba\xa7\xc9\x59\x00\xfc\xa0\x49"
      "\x3c\xf2\x9b\x33\xdc\xc9\xff\xff\xff\xff\xff\xff\xff\xd3\x9f\xec\x22\x71"
      "\xff\x01\x58\x96\x46\xef\xd1\xcf\x87\x0c\xd7\xbb\x23\x2b\xbd\xb9\xdc\x33"
      "\xcb\xd7\x64\x38\x66\xfd\xe4\x1f\x94\x29\x0c\x2a\x5f\xf8\x70\xce\x5d\xfd"
      "\x34\x67\xde\xcb\x05\xcf\xd9\xfc\xb3\x2c\x8e\xd1\xdb\xd9\xd1\x0a\x64\xc1"
      "\x08\x3d\x5e\x71\xb5\x56\x5b\x17\x68\xee\x58\x96\x9c\x41\x59\x52\x29\xdf"
      "\x17\xbc\xad\x70\xfb\x40\x21\x42\x8c\xe9\x70\x27\x5d\x13\xb7\x81\x00\x78"
      "\x8f\x11\xf7\x61\x03\x8b\x75\xd4\xfe\x32\xb5\x61\xd4\x6e\xa3\xab\xe0\xfa"
      "\x4d\x30\xdc\x94\xef\x24\x18\x75\xf3\xb4\xce\x02\x32\xfc\xea\x69\xc2\x71"
      "\xd7\xfa\x29\x82\x2a\xea\x68\xa6\x60\xe7\x17\xa0\x4b\xec\xff\x0f\x71\x91"
      "\x97\x72\x4f\x4f\xce\x10\x93\xb6\x2d\x7e\x8c\x71\x23\xd8\xec\x57\x1b\xe5"
      "\x4c\x72\xd9\x78\xcf\x90\x6d\xf0\x04\x2e\x36\xac\xd3\x7d\x7f\x9e\x11\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\x66\xfb\x84\xd4\x17\x37\x31\xef\xe8"
      "\x95\xff\x2e\x1c\x55\x60\x92\x6e\x90\x10\x9b\x59\x85\x02\xd2\xe9\x59\xef"
      "\xc7\x1f\x66\x5c\x4d\x75\xcf\x24\x58\xe3\x32\x2c\x90\x62\xec\xe8\x4c\x99"
      "\xa0\x61\x99\x7a\x20\x63\x9b\x41\xc8\xc1\x2e\xe8\x6c\x50\x80\x40\x42\xb3"
      "\xea\xc1\xf8\x79\xb1\x36\x34\x5c\xf6\x7c\xa3\xfb\x5a\xac\x51\x8a\x75\xf9"
      "\xe7\xd7\x10\x1d\x5e\x18\x6c\x48\x9b\x3a\x06\xfb\x99\xe0\xaa\x7f\x23\xa0"
      "\x54\xde\x2f\x4d\x92\xd6\xbd\x72\xee\x2c\x9f\xdc\x75\xaa\xaf\x1e\x3e\x48"
      "\x3b\x4a\xd0\x55\x73\xaf\x40\x32\x69\x93\x94\x7d\x9a\x63\x1b\xcb\xf3\x58"
      "\x37\x84\xac\xbd\xa2\x16\x55\x0d\x7a\xec\x6b\x79\xe3\x0c\xbd\x12\x8f\x54"
      "\xc2\xd3\x33\x54\x57\xac\xf3\x73\x31\x76\x6e\x47\x23\x91\xe3\x58\xc3\xb3"
      "\x77\x32\x7a\xc9\xec\xc3\x4f\x24\xc9\xae\x15\x3e\xc6\x0a\xc0\x69\x4d\xc5"
      "\x5b\xff\x9f\x5f\x4d\xf9\x04\x00\x00\x00\x00\x00\x00\x00\xd6\xb2\xc5\xea"
      "\x13\x93\xfd\xf2\x42\x85\xbf\x16\xb9\x9c\x9c\xc0\xad\x18\x57\x21\x6f\x1a"
      "\x98\x5f\x36\x91\x91\xae\x95\x4f\xeb\xb3\xdf\x46\x4b\xfe\x0f\x7f\x3e\xe9"
      "\xaf\xe7\xbe\xfb\x89\xd2\x77\x73\x99\xf5\x87\x4c\x55\x3a\xeb\x37\x29\xcf"
      "\xfe\x86\xe6\x69\x64\xae\x09\xbb\x6d\x16\x31\x18\xe4\xcb\xe0\x24\xfd\x45"
      "\x00\xf8\xff\x07\x00\x00\x00\x00\xcc\x9d\x80\x46\xc2\x16\xc1\xf8\x95\x77"
      "\x8c\xb2\x51\x22\xa2\xa9\x98\xde\x44\xae\xad\xea\x2a\x40\xda\x8d\xac\xcf"
      "\x08\x08\x42\xa4\x86\x72\x17\x37\x39\x34\xbb\xd4\x2d\xcb\x20\x03\x01\x6f"
      "\x15\x14\x21\x6b\xdf\x57\xd2\xa4\x0d\x40\xb5\x1a\xb6\x3e\x96\xec\x84\x85"
      "\xb3\xb8\xa8\xc9\xae\x3d\x14\xf9\x31\x00\xc2\xe0\x89\x38\x62\xee\xf5\x52"
      "\xfc\xd6\x29\x81\xf4\x8c\x48\x2b\xde\x8a\x16\x8c\x3f\x5d\xb2\xfe\xa6\xf2"
      "\x6e\x4a\x43\x04\xe5\x0c\x34\x9f\x4f\x9e\xce\xe2\x7d\xef\xc9\x38\x71\xc5"
      "\xf9\x9b\x35\x5b\x72\xd5\x38\xba\x49\x5a\xea\x8e\x4a\xa3\x70\x94\x19\x1e"
      "\x10\x09\x6e\x7e\x60\xfc\x35\x41\xa2\xc9\x05\xa1\xa9\x5e\x95\x71\xbf\x38"
      "\xae\x19\x81\xc4\x23\x8e\xca\xee\x6f\x75\xcd\x0a\x68\x81\xbd\x15\x17\xa8"
      "\x25\x0d\xf9\x86\x74\x15\x2f\x94\xe3\x24\x09\xe2\xa3\xbc\xe1\x09\xb6\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xd6\xd5\x21\x0d\x75\x60\xeb\x92\xd6\xa9\x7a"
      "\x27\x60\x2b\x81\xf7\x63\x86\xf1\x53\x5b\x1f\xad\x6e\xc9\xa3\x11\x37\xab"
      "\xf9\xa4\x04\xab\xde\x77\x50\x89\x8b\x1b\xd6\x27\xe8\x73\x06\x70\x3b\xe8"
      "\x67\x2d\x70\xd1\xab\x57\x07\x52\x28\xa9\xf4\x6e\xd9\xbd\x1f\x08\xfb\x81"
      "\x91\xbb\xab\x2d\xc5\x1d\xe3\xa6\x1f\x08\x68\xaf\xc4\x29\x40\x59\x32\x3e"
      "\x7a\x45\x31\x9f\x18\x10\x12\x88\xd1\x39\xbd\x3d\xa2\x0f\xed\x05\xa8\xfe"
      "\x64\x68\x0b\x0a\x3f\xc2\x2d\xd7\x04\xe4\x21\x4d\xe5\x94\x69\x12\xd6\xc9"
      "\x8c\xd1\xa9\xfb\xe1\xe7\xd5\x8c\x08\xac\xaf\x30\x23\x5b\x91\x8a\x31\xd2"
      "\xec\xa5\x5f\x74\xa2\x36\x41\xf6\x1f\x2d\x5b\x30\x8c\xf0\xd0\x31\xb0\xc7"
      "\xf0\xce\xd6\x99\x93\xe9\x96\x0f\xf5\xf7\x60\x15\xe6\x00\x97\x56\x23\x7b"
      "\xad\xf4\xe7\x96\x5b\xbe\x27\x77\xe8\x08\xfc\xba\x82\x1a\xa8\xe8\xc5\xc3"
      "\x96\x09\xff\x85\x43\x56\xcb\x49\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
      "\x00\x00\x00\xc1\xfe\xe3\x0a\x3f\x7a\x85\xd1\xb2\x9e\x58\xc7\x76\x85\xef"
      "\xc0\xce\xb1\xc8\xe5\x72\x9c\x66\x41\x8d\x16\x9f\xc0\x3a\xa1\x88\x54\x6b"
      "\x3a\xd2\xa1\x82\x06\x8e\x1e\x3a\x0e\x25\x05\x46\x6a\xc9\x6e\x0d\x4b\x3b"
      "\xc1\x9f\xaa\x54\x49\x20\x9b\x08\x3d\xbd\x33\x4b\x47\xf0\x67\xbb\xab\x40"
      "\x74\x3b\x2a\x42\x8f\x1d\xa1\xf6\x8d\xf7\x5c\xf4\x3f\x8e\xcc\x8d\x37\x26"
      "\x60\x21\x11\xb4\x0e\x76\x1f\xd2\x10\x81\x92\x03\x82\xf1\x4d\x12\xca\x3c"
      "\x34\x31\xee\x97\x47\x1c\x78\x68\xdc\xda\x7e\xaa\x69\xeb\x7f\x7f\x80\x57"
      "\x2f\xdd\x11\xbb\x1d\x0d\x12\x80\xfb\xc2\x2b\xf7\x34\x68\x78\x8d\xf5\x17"
      "\x10\xd7\xd3\x1c\x63\x2f\xc5\xed\x17\x85\xeb\x0b\x42\x8e\xe7\x51\xc4\x7d"
      "\x8e\x89\x4f\x74\x5a\x86\x84\x04\xa0\xbf\x35\xf0\x12\x10\x08\xb7\x22\xb1"
      "\xea\xa6\xae\xdf\xa1\xbf\x2e\x7c\xcb\x2d\x61\xd5\xd7\x63\x31\x94\x5e\x20"
      "\xfa\x26\xb8\x47\x1d\x42\x64\x52\x88\xd7\x22\x6b\xbd\x9c\x9e\x9e\x1c\xc9"
      "\xeb\x3d\x54\x1e\x40\x7c\xc2\xda\xe5\xe6\x90\xcd\x62\x8a\xb8\x48\x75\xf2"
      "\xc5\x0b\xa8\x91\xce\xa5\x99\xb0\x79\xb4\xb4\xba\x68\x6f\xcd\xf2\x40\x43"
      "\x0a\x53\x7a\x39\x5d\xc7\x3b\xda\x36\x7b\xf1\x2c\xb7\xd8\x16\x91\xa5\xfe"
      "\x8c\x47\xbe\x39\x56\x56\xa2\x97\xe9\xdf\x0e\x71\xf9\x67\x56\xea\x5c\xce"
      "\x7d\xaa\xc4\xbe\x29\x01\x59\xf6\xbc\xd7\x5f\x0d\xda\x9d\xe5\x53\x2e\x71"
      "\xae\x9e\x48\xb0\xed\x12\x54\xa8\x31\x00\x00\x00\x00\xf6\xfb\xb8\x69\x60"
      "\x4d\x51\xa3\x6a\x54\xc8\x32\xe4\x5b\x25\x69\xdc\x0d\x90\xb0\x75\x22\x5f"
      "\xde\x44\xc4\xe0\x97\x31\x71\xad\x47\xd6\xb7\x0e\xbc\x66\x03\x09\xe1\xe2"
      "\x45\xb0\xfd\x78\xf9\x74\x3a\xf9\x32\xcd\x6d\xb4\x9a\x47\x61\x38\x08\xba"
      "\xd9\x59\x71\x9c\x00\x00\x00\x00\x00\x37\x8a\x92\x1c\x7f\x7f\x69\x33\xc2"
      "\xe2\x4c\x7e\x80\x00\x03\xc9\xe8\x09\x5e\x02\x98\x5f\x28\xde\x0b\xbc\x76"
      "\xd5\x8d\xd9\x26\x06\xb1\xef\x64\x86\xc8\x5f\xa3\xe6\x78\xf6\x64\x22\x43"
      "\x6f\x94\x9e\x2a\xb8\xf1\x62\xd7\xe3\xf8\x55\xe3\x78\xf4\xa1\xf4\x0b\x0c"
      "\x6f\xb2\xd4\xb2\x05\xa8\x00\xb6\xd7\x13\xac\xeb\xc5\xb0\x14\xe6\x1a\x54"
      "\x3a\x5a\x39\x1f\x03\xda\xca\x80\xf0\x8f\x0e\x3b\x1a\x56\x9e\x73\x97\xf6"
      "\xca\xfa\x86\x96\x6d\x7b\xa1\x9e\x72\x04\x13\x26\x7a\x6c\xce\xa9\xc4\x39"
      "\x67\x1d\x2c\x68\x0f\x27\x53\xca\x18\x4e\xee\xb8\x43\x45\x03\x68\xac\xb4"
      "\x38\x3a\x01\xd2\x5e\xb3\xd1\xe2\x3e\x11\x26\x45\xd1\xcd\xfa\x9f\xa4\x10"
      "\x63\x2f\x95\xa5\xf6\x22\xf8\x51\xc6\x6e\xe7\xe3\x03\x93\xcd\x7a\x4d\x67"
      "\xff\x2a\x49\xc4\xf9\x3c\x09\x84\xb5\xc2\xd4\x52\x34\x97\xe4\xd6\x4f\x95"
      "\xf0\x84\x93\x56\x4a\x1d\xf8\x71\x11\xc9\xbf\x31\x94\xfe\xf9\x7d\xce\xcc"
      "\x46\x7a\xce\x45\xfe\xeb\x68\x5c\x58\x70\xd0\x5f\x88\xa0\xf4\x63\xdb\x88"
      "\xd3\x77\x44\x2e\x13\x49\xac\xaf\x76\x62\x18\xb5\x4a\x9d\x62\x47\x78\xe1"
      "\xc4\xcb\xa6\xe6\x39\x0a\x9f\x30\x2c\x6e\xb2\xdf\x77\x66\x41\x1b\xef\x0e"
      "\xbb\x50\x00\x00\x00\x00\x00\x60\x65\xd6\x73\x5e\xb7\xa0\x0e\x12\x7c\x00"
      "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa1\xc3\xda\x14"
      "\x45\x89\xdc\xad\xdb\x71\xcf\x93\x74\x84\x3e\x23\xf9\x92\xa2\x37\xa9\x04"
      "\x07\x47\xe0\x43\x4a\x8a\x64\x39\x90\xb4\x05\x9a\x98\x41\x1c\xe8\x67\xd1"
      "\xaf\x7e\x8e\xa8\x9f\x49\xe6\xf5\x64\xd4\xdc\xe8\xa7\xd6\x93\x9a\x92\x14"
      "\x4e\x43\xa7\xf3\x9e\x83\xbd\x24\x7e\x03\xa0\x9d\xba\x00\x00\x00\x00\x00"
      "\x00\x00\x00\x00\x00\x00\x00\xaa\xf0\x33\xd4\x72\x49\xc8\x44\x4b\xc1\x38"
      "\x44\xcb\xf1\xbe\x61\x7d\x82\xb2\x69\xe5\xea\x0c\x0d\x52\x56\x03\xc0\xec"
      "\x54\x3e\xa5\x81\xf6\x38\x93\xae\x41\x4a\x66\x83\xe9\x41\xfd\xbd\x6e\xa6"
      "\xcf\xc5\xf8\x74\x45\x83\xc0\xaa\x76\x6a\x65\x32\x1f\x90\x79\x27\xa5\x9d"
      "\x75\xb4\x7f\x06\x89\x5e\x84\x71\xeb\xc2\x84\x0c\xe5\xbd\x05\x4d\xf2\x23"
      "\xfb\x09\xb9\xc7\x39\xad\x64\xcf\xcf\xd2\xd4\x98\xb0\xf1\x10\x56\xf6\xc4"
      "\x08\x74\xcb\x97\x7c\x99\xb6\xbc\x1a\x87\x32\x19\x8a\x17\xe6\x10\x08\x2b"
      "\x7c\xe0\x36\x5f\x27\x1b\x11\xd4\xb4\xa3\xd4\xc7\xd0\xbb\x27\x3f\x40\x6e"
      "\xcd\x4b\x26\xc9\x31\x51\xc3\x0f\x5a\x26\x99\x91\x40\x2d\x10\x9b\xec\x12"
      "\x67\xdd\x7d\x78\x1a\xa2\x00\x00\x00\x00\x00\x00",
      2748));
  NONFAILING(*(uint64_t*)0x20000090 = 0x20000100);
  NONFAILING(memcpy((void*)0x20000100, "GPL\000", 4));
  NONFAILING(*(uint32_t*)0x20000098 = 0);
  NONFAILING(*(uint32_t*)0x2000009c = 0);
  NONFAILING(*(uint64_t*)0x200000a0 = 0);
  NONFAILING(*(uint32_t*)0x200000a8 = 0);
  NONFAILING(*(uint32_t*)0x200000ac = 0);
  NONFAILING(memset((void*)0x200000b0, 0, 16));
  NONFAILING(*(uint32_t*)0x200000c0 = 0);
  NONFAILING(*(uint32_t*)0x200000c4 = 0);
  NONFAILING(*(uint32_t*)0x200000c8 = -1);
  NONFAILING(*(uint32_t*)0x200000cc = 8);
  NONFAILING(*(uint64_t*)0x200000d0 = 0x20000000);
  NONFAILING(*(uint32_t*)0x20000000 = 0);
  NONFAILING(*(uint32_t*)0x20000004 = 0);
  NONFAILING(*(uint32_t*)0x200000d8 = 0);
  NONFAILING(*(uint32_t*)0x200000dc = 0x10);
  NONFAILING(*(uint64_t*)0x200000e0 = 0x20000000);
  NONFAILING(*(uint32_t*)0x20000000 = 0);
  NONFAILING(*(uint32_t*)0x20000004 = 0);
  NONFAILING(*(uint32_t*)0x20000008 = 0);
  NONFAILING(*(uint32_t*)0x2000000c = 0);
  NONFAILING(*(uint32_t*)0x200000e8 = 0);
  NONFAILING(*(uint32_t*)0x200000ec = 0);
  NONFAILING(*(uint32_t*)0x200000f0 = -1);
  NONFAILING(*(uint32_t*)0x200000f4 = 0);
  NONFAILING(*(uint64_t*)0x200000f8 = 0);
  res = syscall(__NR_bpf, 5ul, 0x20000080ul, 0x48ul);
  if (res != -1)
    r[0] = res;
  NONFAILING(*(uint64_t*)0x20000300 = 0x200002c0);
  NONFAILING(memcpy((void*)0x200002c0, "contention_begin\000", 17));
  NONFAILING(*(uint32_t*)0x20000308 = r[0]);
  syscall(__NR_bpf, 0x11ul, 0x20000300ul, 0x10ul);
}
int main(void)
{
  syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul);
  syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul);
  setup_sysctl();
  install_segv_handler();
  do_sandbox_none();
  return 0;
}