// https://syzkaller.appspot.com/bug?id=94100cff4d9a032b284ae1f06f9a8baaddf0a419
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <dirent.h>
#include <endian.h>
#include <errno.h>
#include <fcntl.h>
#include <pthread.h>
#include <setjmp.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/prctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <time.h>
#include <unistd.h>

#include <linux/futex.h>
#include <linux/genetlink.h>
#include <linux/netlink.h>

unsigned long long procid;

static __thread int skip_segv;
static __thread jmp_buf segv_env;

static void segv_handler(int sig, siginfo_t* info, void* ctx)
{
  uintptr_t addr = (uintptr_t)info->si_addr;
  const uintptr_t prog_start = 1 << 20;
  const uintptr_t prog_end = 100 << 20;
  if (__atomic_load_n(&skip_segv, __ATOMIC_RELAXED) &&
      (addr < prog_start || addr > prog_end)) {
    _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(...)                                                        \
  {                                                                            \
    __atomic_fetch_add(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
    if (_setjmp(segv_env) == 0) {                                              \
      __VA_ARGS__;                                                             \
    }                                                                          \
    __atomic_fetch_sub(&skip_segv, 1, __ATOMIC_SEQ_CST);                       \
  }

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 thread_start(void* (*fn)(void*), void* arg)
{
  pthread_t th;
  pthread_attr_t attr;
  pthread_attr_init(&attr);
  pthread_attr_setstacksize(&attr, 128 << 10);
  if (pthread_create(&th, &attr, fn, arg))
    exit(1);
  pthread_attr_destroy(&attr);
}

#define BITMASK_LEN(type, bf_len) (type)((1ull << (bf_len)) - 1)

#define BITMASK_LEN_OFF(type, bf_off, bf_len)                                  \
  (type)(BITMASK_LEN(type, (bf_len)) << (bf_off))

#define STORE_BY_BITMASK(type, addr, val, bf_off, bf_len)                      \
  if ((bf_off) == 0 && (bf_len) == 0) {                                        \
    *(type*)(addr) = (type)(val);                                              \
  } else {                                                                     \
    type new_val = *(type*)(addr);                                             \
    new_val &= ~BITMASK_LEN_OFF(type, (bf_off), (bf_len));                     \
    new_val |= ((type)(val)&BITMASK_LEN(type, (bf_len))) << (bf_off);          \
    *(type*)(addr) = new_val;                                                  \
  }

typedef struct {
  int state;
} event_t;

static void event_init(event_t* ev)
{
  ev->state = 0;
}

static void event_reset(event_t* ev)
{
  ev->state = 0;
}

static void event_set(event_t* ev)
{
  if (ev->state)
    exit(1);
  __atomic_store_n(&ev->state, 1, __ATOMIC_RELEASE);
  syscall(SYS_futex, &ev->state, FUTEX_WAKE | FUTEX_PRIVATE_FLAG);
}

static void event_wait(event_t* ev)
{
  while (!__atomic_load_n(&ev->state, __ATOMIC_ACQUIRE))
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, 0);
}

static int event_isset(event_t* ev)
{
  return __atomic_load_n(&ev->state, __ATOMIC_ACQUIRE);
}

static int event_timedwait(event_t* ev, uint64_t timeout)
{
  uint64_t start = current_time_ms();
  uint64_t now = start;
  for (;;) {
    uint64_t remain = timeout - (now - start);
    struct timespec ts;
    ts.tv_sec = remain / 1000;
    ts.tv_nsec = (remain % 1000) * 1000 * 1000;
    syscall(SYS_futex, &ev->state, FUTEX_WAIT | FUTEX_PRIVATE_FLAG, 0, &ts);
    if (__atomic_load_n(&ev->state, __ATOMIC_RELAXED))
      return 1;
    now = current_time_ms();
    if (now - start > timeout)
      return 0;
  }
}

static long syz_genetlink_get_family_id(long name)
{
  char buf[512] = {0};
  struct nlmsghdr* hdr = (struct nlmsghdr*)buf;
  struct genlmsghdr* genlhdr = (struct genlmsghdr*)NLMSG_DATA(hdr);
  struct nlattr* attr = (struct nlattr*)(genlhdr + 1);
  hdr->nlmsg_len =
      sizeof(*hdr) + sizeof(*genlhdr) + sizeof(*attr) + GENL_NAMSIZ;
  hdr->nlmsg_type = GENL_ID_CTRL;
  hdr->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
  genlhdr->cmd = CTRL_CMD_GETFAMILY;
  attr->nla_type = CTRL_ATTR_FAMILY_NAME;
  attr->nla_len = sizeof(*attr) + GENL_NAMSIZ;
  NONFAILING(strncpy((char*)(attr + 1), (char*)name, GENL_NAMSIZ));
  struct iovec iov = {hdr, hdr->nlmsg_len};
  struct sockaddr_nl addr = {0};
  addr.nl_family = AF_NETLINK;
  int fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
  if (fd == -1) {
    return -1;
  }
  struct msghdr msg = {&addr, sizeof(addr), &iov, 1, NULL, 0, 0};
  if (sendmsg(fd, &msg, 0) == -1) {
    close(fd);
    return -1;
  }
  ssize_t n = recv(fd, buf, sizeof(buf), 0);
  close(fd);
  if (n <= 0) {
    return -1;
  }
  if (hdr->nlmsg_type != GENL_ID_CTRL) {
    return -1;
  }
  for (; (char*)attr < buf + n;
       attr = (struct nlattr*)((char*)attr + NLMSG_ALIGN(attr->nla_len))) {
    if (attr->nla_type == CTRL_ATTR_FAMILY_ID)
      return *(uint16_t*)(attr + 1);
  }
  return -1;
}

static void kill_and_wait(int pid, int* status)
{
  kill(-pid, SIGKILL);
  kill(pid, SIGKILL);
  int i;
  for (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) {
  }
}

#define SYZ_HAVE_SETUP_TEST 1
static void setup_test()
{
  prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0);
  setpgrp();
}

#define SYZ_HAVE_RESET_TEST 1
static void reset_test()
{
  int fd;
  for (fd = 3; fd < 30; fd++)
    close(fd);
}

struct thread_t {
  int created, call;
  event_t ready, done;
};

static struct thread_t threads[16];
static void execute_call(int call);
static int running;

static void* thr(void* arg)
{
  struct thread_t* th = (struct thread_t*)arg;
  for (;;) {
    event_wait(&th->ready);
    event_reset(&th->ready);
    execute_call(th->call);
    __atomic_fetch_sub(&running, 1, __ATOMIC_RELAXED);
    event_set(&th->done);
  }
  return 0;
}

static void execute_one(void)
{
  int i, call, thread;
  int collide = 0;
again:
  for (call = 0; call < 40; call++) {
    for (thread = 0; thread < (int)(sizeof(threads) / sizeof(threads[0]));
         thread++) {
      struct thread_t* th = &threads[thread];
      if (!th->created) {
        th->created = 1;
        event_init(&th->ready);
        event_init(&th->done);
        event_set(&th->done);
        thread_start(thr, th);
      }
      if (!event_isset(&th->done))
        continue;
      event_reset(&th->done);
      th->call = call;
      __atomic_fetch_add(&running, 1, __ATOMIC_RELAXED);
      event_set(&th->ready);
      if (collide && (call % 2) == 0)
        break;
      event_timedwait(&th->done, 45);
      break;
    }
  }
  for (i = 0; i < 100 && __atomic_load_n(&running, __ATOMIC_RELAXED); i++)
    sleep_ms(1);
  if (!collide) {
    collide = 1;
    goto again;
  }
}

static void execute_one(void);

#define WAIT_FLAGS __WALL

static void loop(void)
{
  int iter;
  for (iter = 0;; iter++) {
    int pid = fork();
    if (pid < 0)
      exit(1);
    if (pid == 0) {
      setup_test();
      execute_one();
      reset_test();
      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 < 5 * 1000)
        continue;
      kill_and_wait(pid, &status);
      break;
    }
  }
}
#ifndef __NR_memfd_create
#define __NR_memfd_create 319
#endif

uint64_t r[6] = {0xffffffffffffffff, 0xffffffffffffffff,
                 0xffffffffffffffff, 0x0,
                 0xffffffffffffffff, 0x0};

void execute_call(int call)
{
  long res;
  switch (call) {
  case 0:
    NONFAILING(*(uint32_t*)0x20940000 = 2);
    NONFAILING(*(uint32_t*)0x20940004 = 0x70);
    NONFAILING(*(uint8_t*)0x20940008 = 0xfe);
    NONFAILING(*(uint8_t*)0x20940009 = 0);
    NONFAILING(*(uint8_t*)0x2094000a = 0);
    NONFAILING(*(uint8_t*)0x2094000b = 0);
    NONFAILING(*(uint32_t*)0x2094000c = 0);
    NONFAILING(*(uint64_t*)0x20940010 = 0);
    NONFAILING(*(uint64_t*)0x20940018 = 0);
    NONFAILING(*(uint64_t*)0x20940020 = 0);
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 0, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 1, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 2, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 3, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 4, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 5, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 6, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 7, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 8, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 9, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 10, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 11, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 12, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 13, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 14, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 15, 2));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 17, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 18, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 19, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 20, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 21, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 22, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 23, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 24, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 25, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 26, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 27, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 28, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20940028, 0, 29, 35));
    NONFAILING(*(uint32_t*)0x20940030 = 0);
    NONFAILING(*(uint32_t*)0x20940034 = 0);
    NONFAILING(*(uint64_t*)0x20940038 = 0x20000000);
    NONFAILING(*(uint64_t*)0x20940040 = 0);
    NONFAILING(*(uint64_t*)0x20940048 = 0);
    NONFAILING(*(uint64_t*)0x20940050 = 0);
    NONFAILING(*(uint32_t*)0x20940058 = 0);
    NONFAILING(*(uint32_t*)0x2094005c = 0);
    NONFAILING(*(uint64_t*)0x20940060 = 0);
    NONFAILING(*(uint32_t*)0x20940068 = 0);
    NONFAILING(*(uint16_t*)0x2094006c = 0);
    NONFAILING(*(uint16_t*)0x2094006e = 0);
    res = syscall(__NR_perf_event_open, 0x20940000, 0, 0, -1, 0);
    if (res != -1)
      r[0] = res;
    break;
  case 1:
    syscall(__NR_mmap, 0x20000000, 0x3000, 3, 0x80011, r[0], 0);
    break;
  case 2:
    syscall(__NR_sigaltstack, 0x20002000, 0x20000080);
    break;
  case 3:
    syscall(__NR_ioctl, -1, 0x4b4e, 0x22);
    break;
  case 4:
    NONFAILING(memcpy((void*)0x20000200, "./file0", 8));
    syscall(__NR_mkdirat, 0xffffff9c, 0x20000200, 0);
    break;
  case 5:
    NONFAILING(memcpy((void*)0x20000040, "./file0", 8));
    NONFAILING(memcpy((void*)0x20000300, "fuse", 5));
    NONFAILING(sprintf((char*)0x20000400, "0x%016llx", (long long)-1));
    NONFAILING(memcpy((void*)0x20000412, "\x2c\x72\x6f\x6f\x74\x6d\x6f\x64\x65"
                                         "\x3d\x30\x30\x30\x30\x30\x30\x30\x70"
                                         "\x30\x30\x30\x30\x07\x00\x00\x00\x6f"
                                         "\x97\x00\x00\x75\x73\x65\x72\x5f\x69"
                                         "\x64\x3d\x00\x89\xb2\x8f",
                      42));
    NONFAILING(sprintf((char*)0x2000043c, "%020llu", (long long)0));
    NONFAILING(memcpy((void*)0x20000450, ",group_id=", 10));
    NONFAILING(sprintf((char*)0x2000045a, "%020llu", (long long)0));
    syscall(__NR_mount, 0, 0x20000040, 0x20000300, 0, 0x20000400);
    break;
  case 6:
    syscall(__NR_read, -1, 0x200030c0, 0x9c5);
    break;
  case 7:
    NONFAILING(*(uint32_t*)0x20000000 = 0x1ba);
    NONFAILING(*(uint32_t*)0x20000004 = 0);
    NONFAILING(*(uint64_t*)0x20000008 = 2);
    syscall(__NR_write, -1, 0x20000000, 0xffffffe7);
    break;
  case 8:
    syscall(__NR_ioctl, -1, 0x801054db, 0x20000480);
    break;
  case 9:
    syscall(__NR_ftruncate, -1, 0x2081fc);
    break;
  case 10:
    NONFAILING(memcpy((void*)0x2000fffa, "./bus", 6));
    syscall(__NR_open, 0x2000fffa, 0x141042, 0);
    break;
  case 11:
    syscall(__NR_ioctl, -1, 0x8912, 0);
    break;
  case 12:
    syscall(__NR_readahead, -1, 6, 0x5dc);
    break;
  case 13:
    res = syscall(__NR_socket, 0x10, 3, 0xc);
    if (res != -1)
      r[1] = res;
    break;
  case 14:
    NONFAILING(*(uint32_t*)0x20000280 = 0xfffffff9);
    syscall(__NR_setsockopt, r[1], 1, 0xf, 0x20000280, 4);
    break;
  case 15:
    NONFAILING(memcpy((void*)0x20000440, "./file0/bus", 12));
    syscall(__NR_mkdir, 0x20000440, 4);
    break;
  case 16:
    NONFAILING(memcpy((void*)0x20000100, "user", 5));
    NONFAILING(memcpy((void*)0x200001c0, "\x00\x00\x00", 3));
    NONFAILING(*(uint8_t*)0x200001c3 = 0);
    NONFAILING(*(uint8_t*)0x200001c4 = 0);
    syscall(__NR_add_key, 0x20000100, 0x200001c0, 0x20000300, 0, -1);
    break;
  case 17:
    syscall(__NR_unshare, 0x40020000);
    break;
  case 18:
    NONFAILING(memcpy((void*)0x20000940, "./file0/bus", 12));
    res = syscall(__NR_creat, 0x20000940, 0);
    if (res != -1)
      r[2] = res;
    break;
  case 19:
    NONFAILING(memcpy((void*)0x20000a00, "fou", 4));
    syz_genetlink_get_family_id(0x20000a00);
    break;
  case 20:
    NONFAILING(*(uint64_t*)0x20000400 = 0x20000300);
    NONFAILING(*(uint16_t*)0x20000300 = 0x10);
    NONFAILING(*(uint16_t*)0x20000302 = 0);
    NONFAILING(*(uint32_t*)0x20000304 = 0);
    NONFAILING(*(uint32_t*)0x20000308 = 0);
    NONFAILING(*(uint32_t*)0x20000408 = 0xc);
    NONFAILING(*(uint64_t*)0x20000410 = 0x200003c0);
    NONFAILING(*(uint64_t*)0x200003c0 = 0x200002c0);
    NONFAILING(*(uint64_t*)0x200003c8 = 0);
    NONFAILING(*(uint64_t*)0x20000418 = 1);
    NONFAILING(*(uint64_t*)0x20000420 = 0);
    NONFAILING(*(uint64_t*)0x20000428 = 0);
    NONFAILING(*(uint32_t*)0x20000430 = 1);
    syscall(__NR_sendmsg, -1, 0x20000400, 4);
    break;
  case 21:
    NONFAILING(memcpy((void*)0x20000b80, "nbd", 4));
    syz_genetlink_get_family_id(0x20000b80);
    break;
  case 22:
    NONFAILING(*(uint32_t*)0x20000240 = 0x28);
    NONFAILING(*(uint32_t*)0x20000244 = 1);
    NONFAILING(*(uint32_t*)0x20000248 = 0x10000);
    NONFAILING(*(uint32_t*)0x2000024c = 1);
    syscall(__NR_ptrace, 0x4203, 0, 0xff, 0x20000240);
    break;
  case 23:
    res = syscall(__NR_ioctl, r[2], 0x8904, 0x20000140);
    if (res != -1)
      NONFAILING(r[3] = *(uint32_t*)0x20000140);
    break;
  case 24:
    NONFAILING(*(uint64_t*)0x20000540 = 8);
    syscall(__NR_sched_setaffinity, 0, 0x391, 0x20000540);
    break;
  case 25:
    NONFAILING(*(uint64_t*)0x200007c0 = 0x7c1e1320);
    syscall(__NR_sched_setaffinity, r[3], 0xfec5, 0x200007c0);
    break;
  case 26:
    NONFAILING(*(uint32_t*)0x20000640 = 1);
    NONFAILING(*(uint32_t*)0x20000644 = 0x70);
    NONFAILING(*(uint8_t*)0x20000648 = 0);
    NONFAILING(*(uint8_t*)0x20000649 = 0);
    NONFAILING(*(uint8_t*)0x2000064a = 0);
    NONFAILING(*(uint8_t*)0x2000064b = 0);
    NONFAILING(*(uint32_t*)0x2000064c = 0);
    NONFAILING(*(uint64_t*)0x20000650 = 0x50f);
    NONFAILING(*(uint64_t*)0x20000658 = 0);
    NONFAILING(*(uint64_t*)0x20000660 = 0);
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 0, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 4, 1, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 2, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 3, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 9, 4, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 5, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 6, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 7, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 8, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 9, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 10, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 11, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 12, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 13, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 14, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 15, 2));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 17, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 18, 1));
    NONFAILING(
        STORE_BY_BITMASK(uint64_t, 0x20000668, 0x400000000000000, 19, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 20, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 21, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 22, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 23, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 24, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 25, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 26, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 27, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 28, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000668, 0, 29, 35));
    NONFAILING(*(uint32_t*)0x20000670 = 0xfffffffe);
    NONFAILING(*(uint32_t*)0x20000674 = 0);
    NONFAILING(*(uint64_t*)0x20000678 = 0x20000000);
    NONFAILING(*(uint64_t*)0x20000680 = 0);
    NONFAILING(*(uint64_t*)0x20000688 = 0);
    NONFAILING(*(uint64_t*)0x20000690 = 0);
    NONFAILING(*(uint32_t*)0x20000698 = 0);
    NONFAILING(*(uint32_t*)0x2000069c = 0);
    NONFAILING(*(uint64_t*)0x200006a0 = 0);
    NONFAILING(*(uint32_t*)0x200006a8 = 0);
    NONFAILING(*(uint16_t*)0x200006ac = 0);
    NONFAILING(*(uint16_t*)0x200006ae = 0);
    syscall(__NR_perf_event_open, 0x20000640, 0, 0, -1, 0);
    break;
  case 27:
    NONFAILING(memcpy((void*)0x200002c0, "vboxnet0eth0GPL#$wlan1", 23));
    syscall(__NR_memfd_create, 0x200002c0, 8);
    break;
  case 28:
    NONFAILING(memcpy((void*)0x20000080, "./file0", 8));
    syscall(__NR_stat, 0x20000080, 0x200000c0);
    break;
  case 29:
    res = syscall(__NR_socket, 2, 1, 0);
    if (res != -1)
      r[4] = res;
    break;
  case 30:
    NONFAILING(*(uint16_t*)0x20000040 = 0);
    NONFAILING(*(uint32_t*)0x20000044 = htobe32(0));
    NONFAILING(*(uint16_t*)0x20000048 = htobe16(0x4e24));
    NONFAILING(*(uint32_t*)0x2000004c = 0x20000000);
    NONFAILING(memcpy(
        (void*)0x20000050,
        "\x77\x6c\x63\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
        16));
    NONFAILING(*(uint32_t*)0x20000060 = 0);
    NONFAILING(*(uint32_t*)0x20000064 = 0);
    NONFAILING(*(uint32_t*)0x20000068 = htobe32(0x3fe));
    syscall(__NR_setsockopt, r[4], 0, 0x60, 0x20000040, 0x2c);
    break;
  case 31:
    NONFAILING(memcpy((void*)0x20000140, "keyring", 8));
    NONFAILING(memcpy((void*)0x20000180, "syz", 3));
    NONFAILING(*(uint8_t*)0x20000183 = 0x22 + procid * 4);
    NONFAILING(*(uint8_t*)0x20000184 = 0);
    res = syscall(__NR_add_key, 0x20000140, 0x20000180, 0, 0, 0xfffffffc);
    if (res != -1)
      r[5] = res;
    break;
  case 32:
    syscall(__NR_keyctl, 0xf, r[5], 0x3f);
    break;
  case 33:
    NONFAILING(*(uint32_t*)0x20000040 = 1);
    NONFAILING(*(uint32_t*)0x20000044 = 0x70);
    NONFAILING(*(uint8_t*)0x20000048 = 0);
    NONFAILING(*(uint8_t*)0x20000049 = 0);
    NONFAILING(*(uint8_t*)0x2000004a = 0);
    NONFAILING(*(uint8_t*)0x2000004b = 0);
    NONFAILING(*(uint32_t*)0x2000004c = 0);
    NONFAILING(*(uint64_t*)0x20000050 = 0x50d);
    NONFAILING(*(uint64_t*)0x20000058 = 0);
    NONFAILING(*(uint64_t*)0x20000060 = 0);
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 0, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 1, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 2, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 3, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 4, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 5, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 6, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 7, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 8, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 9, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 10, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 11, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 12, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 13, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 14, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 15, 2));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 17, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 18, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 19, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 20, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 21, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 22, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 23, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 24, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 25, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 26, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 27, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 28, 1));
    NONFAILING(STORE_BY_BITMASK(uint64_t, 0x20000068, 0, 29, 35));
    NONFAILING(*(uint32_t*)0x20000070 = 0);
    NONFAILING(*(uint32_t*)0x20000074 = 0);
    NONFAILING(*(uint64_t*)0x20000078 = 0x20000000);
    NONFAILING(*(uint64_t*)0x20000080 = 0);
    NONFAILING(*(uint64_t*)0x20000088 = 0);
    NONFAILING(*(uint64_t*)0x20000090 = 0);
    NONFAILING(*(uint32_t*)0x20000098 = 0);
    NONFAILING(*(uint32_t*)0x2000009c = 0);
    NONFAILING(*(uint64_t*)0x200000a0 = 0);
    NONFAILING(*(uint32_t*)0x200000a8 = 0);
    NONFAILING(*(uint16_t*)0x200000ac = 0);
    NONFAILING(*(uint16_t*)0x200000ae = 0);
    syscall(__NR_perf_event_open, 0x20000040, 0, -1, -1, 0);
    break;
  case 34:
    NONFAILING(*(uint16_t*)0x20000080 = 2);
    NONFAILING(*(uint16_t*)0x20000082 = htobe16(0));
    NONFAILING(*(uint8_t*)0x20000084 = 0xac);
    NONFAILING(*(uint8_t*)0x20000085 = 0x14);
    NONFAILING(*(uint8_t*)0x20000086 = 0x14);
    NONFAILING(*(uint8_t*)0x20000087 = 0xaa);
    NONFAILING(*(uint8_t*)0x20000088 = 0);
    NONFAILING(*(uint8_t*)0x20000089 = 0);
    NONFAILING(*(uint8_t*)0x2000008a = 0);
    NONFAILING(*(uint8_t*)0x2000008b = 0);
    NONFAILING(*(uint8_t*)0x2000008c = 0);
    NONFAILING(*(uint8_t*)0x2000008d = 0);
    NONFAILING(*(uint8_t*)0x2000008e = 0);
    NONFAILING(*(uint8_t*)0x2000008f = 0);
    syscall(__NR_connect, -1, 0x20000080, 0x10);
    break;
  case 35:
    syscall(__NR_ftruncate, -1, 0x40001);
    break;
  case 36:
    syscall(__NR_clone, 0x2102001ffc, 0, 0x9999999999999999, 0x200000c0, -1);
    break;
  case 37:
    syscall(__NR_gettid);
    break;
  case 38:
    syscall(__NR_ioctl, -1, 0x80247008, 0x200001c0);
    break;
  case 39:
    NONFAILING(*(uint64_t*)0x2004a000 = 0);
    NONFAILING(*(uint64_t*)0x2004a008 = 1);
    NONFAILING(*(uint64_t*)0x2004a010 = 7);
    NONFAILING(*(uint64_t*)0x2004a018 = 0xe4c);
    syscall(__NR_timer_settime, 0, 3, 0x2004a000, 0x20040000);
    break;
  }
}
int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  install_segv_handler();
  for (procid = 0; procid < 6; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}