// https://syzkaller.appspot.com/bug?id=4a17d4afe77de3c8d336e1a67368e614bd1e802e
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <fcntl.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

#ifndef __NR_ioctl
#define __NR_ioctl 29
#endif
#ifndef __NR_mmap
#define __NR_mmap 222
#endif
#ifndef __NR_openat
#define __NR_openat 56
#endif

static long syz_open_pts(volatile long a0, volatile long a1)
{
  int ptyno = 0;
  if (ioctl(a0, TIOCGPTN, &ptyno))
    return -1;
  char buf[128];
  sprintf(buf, "/dev/pts/%d", ptyno);
  return open(buf, a1, 0);
}

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

int main(void)
{
  syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul,
          /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
          /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1,
          /*offset=*/0ul);
  intptr_t res = 0;
  memcpy((void*)0x200000c0, "/dev/ptmx\000", 10);
  res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200000c0ul,
                /*flags=*/0ul, /*mode=*/0ul);
  if (res != -1)
    r[0] = res;
  *(uint32_t*)0x20000240 = 0;
  *(uint32_t*)0x20000244 = 0;
  *(uint32_t*)0x20000248 = 0;
  *(uint32_t*)0x2000024c = 0;
  *(uint8_t*)0x20000250 = 0;
  memcpy((void*)0x20000251,
         " \000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"
         "\000",
         19);
  syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40045431, /*arg=*/0x20000240ul);
  res = -1;
  res = syz_open_pts(/*fd=*/r[0], /*flags=*/0);
  if (res != -1)
    r[1] = res;
  *(uint32_t*)0x20000080 = 2;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x5423, /*arg=*/0x20000080ul);
  *(uint32_t*)0x20000040 = 0x15;
  syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x5423, /*arg=*/0x20000040ul);
  return 0;
}