// https://syzkaller.appspot.com/bug?id=6311f99a8d85bad8043738bc50d84fcf7435c396
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

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

unsigned long long procid;

static void sleep_ms(uint64_t ms)
{
  usleep(ms * 1000);
}

static uint64_t current_time_ms()
{
  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_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;                                                  \
  }

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);
}

static void execute_one();

#define WAIT_FLAGS __WALL

static void loop()
{
  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;
    }
  }
}

uint64_t r[4] = {0xffffffffffffffff, 0x0, 0xffffffffffffffff,
                 0xffffffffffffffff};

void execute_one()
{
  long res = 0;
  res = syscall(__NR_socket, 2, 1, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x2099e000 = 2;
  *(uint16_t*)0x2099e002 = htobe16(0x4e20);
  *(uint32_t*)0x2099e004 = htobe32(0xe0000001);
  *(uint8_t*)0x2099e008 = 0;
  *(uint8_t*)0x2099e009 = 0;
  *(uint8_t*)0x2099e00a = 0;
  *(uint8_t*)0x2099e00b = 0;
  *(uint8_t*)0x2099e00c = 0;
  *(uint8_t*)0x2099e00d = 0;
  *(uint8_t*)0x2099e00e = 0;
  *(uint8_t*)0x2099e00f = 0;
  syscall(__NR_bind, r[0], 0x2099e000, 0x10);
  *(uint16_t*)0x20db4ff0 = 2;
  *(uint16_t*)0x20db4ff2 = htobe16(0x4e20);
  *(uint32_t*)0x20db4ff4 = htobe32(0x7f000001);
  *(uint8_t*)0x20db4ff8 = 0;
  *(uint8_t*)0x20db4ff9 = 0;
  *(uint8_t*)0x20db4ffa = 0;
  *(uint8_t*)0x20db4ffb = 0;
  *(uint8_t*)0x20db4ffc = 0;
  *(uint8_t*)0x20db4ffd = 0;
  *(uint8_t*)0x20db4ffe = 0;
  *(uint8_t*)0x20db4fff = 0;
  syscall(__NR_sendto, r[0], 0x20de1fff, 0xfffffffffffffd43, 0x20008005,
          0x20db4ff0, 0x10);
  res = syscall(__NR_gettid);
  if (res != -1)
    r[1] = res;
  *(uint32_t*)0x20000080 = r[1];
  syscall(__NR_ioctl, r[0], 0x8902, 0x20000080);
  memcpy((void*)0x200000c0,
         "\x76\x65\x74\x68\x31\x5f\x74\x6f\x5f\x62\x6f\x6e\x64\x00\x00\x00",
         16);
  *(uint64_t*)0x200000d0 = 0x200002c0;
  *(uint32_t*)0x200002c0 = 0x19;
  *(uint32_t*)0x200002c4 = 0;
  *(uint32_t*)0x200002c8 = 0;
  *(uint32_t*)0x200002cc = 0x80000;
  syscall(__NR_ioctl, -1, 0x8946, 0x200000c0);
  *(uint32_t*)0x2000cffc = 4;
  *(uint64_t*)0x20fd7ff0 = 0x77359400;
  *(uint64_t*)0x20fd7ff8 = 0;
  *(uint32_t*)0x20048000 = 0;
  syscall(__NR_futex, 0x2000cffc, 0xc, 1, 0x20fd7ff0, 0x20048000, 4);
  memcpy((void*)0x20000080, "./control", 10);
  syscall(__NR_mknodat, -1, 0x20000080, 0x1102, 0);
  memcpy((void*)0x20000080, "./control", 10);
  syscall(__NR_mknodat, -1, 0x20000080, 0x1102, 0);
  syscall(__NR_ioctl, -1, 0x8912, 0x20000280);
  *(uint64_t*)0x20003fe8 = 0xaa;
  *(uint64_t*)0x20003ff0 = 0;
  *(uint64_t*)0x20003ff8 = 0;
  syscall(__NR_ioctl, -1, 0xc018aa3f, 0x20003fe8);
  res = syscall(__NR_socket, 0xa, 1, 0x84);
  if (res != -1)
    r[2] = res;
  *(uint32_t*)0x20013e95 = 0;
  syscall(__NR_setsockopt, r[2], 0x84, 8, 0x20013e95, 4);
  syscall(__NR_socket, 0x10, 3, 0);
  memcpy((void*)0x200000c0, "./control", 10);
  syscall(__NR_mkdir, 0x200000c0, 0);
  *(uint8_t*)0x20000040 = 0;
  *(uint8_t*)0x20000041 = 0;
  *(uint8_t*)0x20000042 = 0;
  *(uint8_t*)0x20000043 = 1;
  *(uint8_t*)0x20000044 = 0;
  *(uint8_t*)0x20000045 = 0;
  *(uint8_t*)0x20000046 = 0;
  *(uint8_t*)0x20000047 = 0;
  *(uint8_t*)0x20000048 = 0;
  *(uint8_t*)0x20000049 = 0;
  *(uint8_t*)0x2000004a = 0;
  syscall(__NR_setsockopt, -1, 0x84, 0xb, 0x20000040, 0xb);
  *(uint32_t*)0x20000100 = 0x15e3;
  syscall(__NR_setsockopt, -1, 0x84, 0x21, 0x20000100, 4);
  syscall(__NR_clone, 0, 0x20000000, 0x200000c0, 0x20000100, 0x200001c0);
  memcpy((void*)0x2003b000, "./control", 10);
  syscall(__NR_faccessat, -1, 0x2003b000, 2, 0);
  syscall(__NR_ioctl, -1, 0x8912, 0x20000040);
  *(uint32_t*)0x20000140 = 1;
  *(uint32_t*)0x20000144 = 0x70;
  *(uint8_t*)0x20000148 = 0;
  *(uint8_t*)0x20000149 = 0;
  *(uint8_t*)0x2000014a = 0;
  *(uint8_t*)0x2000014b = 0;
  *(uint32_t*)0x2000014c = 0;
  *(uint64_t*)0x20000150 = 0;
  *(uint64_t*)0x20000158 = 0;
  *(uint64_t*)0x20000160 = 0;
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 0, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0x2b, 1, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 2, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 3, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 4, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 5, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 6, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 7, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 8, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 9, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 10, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 11, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 12, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 13, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 14, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 15, 2);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 17, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 18, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 19, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 20, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 21, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 22, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 23, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 24, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 25, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 26, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 27, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 28, 1);
  STORE_BY_BITMASK(uint64_t, 0x20000168, 0, 29, 35);
  *(uint32_t*)0x20000170 = 0;
  *(uint32_t*)0x20000174 = 0;
  *(uint64_t*)0x20000178 = 0x20abe000;
  *(uint64_t*)0x20000180 = 0;
  *(uint64_t*)0x20000188 = 0;
  *(uint64_t*)0x20000190 = 0;
  *(uint32_t*)0x20000198 = 0;
  *(uint32_t*)0x2000019c = 0;
  *(uint64_t*)0x200001a0 = 0;
  *(uint32_t*)0x200001a8 = 0;
  *(uint16_t*)0x200001ac = 0;
  *(uint16_t*)0x200001ae = 0;
  syscall(__NR_perf_event_open, 0x20000140, 0, 0, -1, 0);
  memcpy((void*)0x20021000, "./control", 10);
  res = syscall(__NR_open, 0x20021000, 0, 0);
  if (res != -1)
    r[3] = res;
  memcpy((void*)0x2003b000, "./control", 10);
  syscall(__NR_faccessat, r[3], 0x2003b000, 2, 0);
  *(uint32_t*)0x20000100 = 0x15e3;
  syscall(__NR_setsockopt, -1, 0x84, 0x21, 0x20000100, 4);
}
int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  for (procid = 0; procid < 8; procid++) {
    if (fork() == 0) {
      loop();
    }
  }
  sleep(1000000);
  return 0;
}