// https://syzkaller.appspot.com/bug?id=c85201ccbee00fd0b04f9239d1ec7bae8fa2e055
// autogenerated by syzkaller (http://github.com/google/syzkaller)

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

static uintptr_t syz_open_pts(uintptr_t a0, uintptr_t 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);
}

static void execute_one();
extern unsigned long long procid;

void loop()
{
  while (1) {
    execute_one();
  }
}

uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff};
void execute_one()
{
  long res = 0;
  memcpy((void*)0x20000100, "/dev/ptmx", 10);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000100, 0x101c02, 0);
  if (res != -1)
    r[0] = res;
  memcpy((void*)0x20000080, "/dev/vga_arbiter", 17);
  res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000080, 0x2000, 0);
  if (res != -1)
    r[1] = res;
  *(uint32_t*)0x203b3fdc = 0;
  *(uint32_t*)0x203b3fe0 = 0;
  *(uint32_t*)0x203b3fe4 = 0;
  *(uint32_t*)0x203b3fe8 = 0;
  *(uint8_t*)0x203b3fec = 0;
  *(uint8_t*)0x203b3fed = 0;
  *(uint8_t*)0x203b3fee = 0;
  *(uint8_t*)0x203b3fef = 0;
  *(uint32_t*)0x203b3ff0 = 0;
  *(uint32_t*)0x203b3ff4 = 0;
  *(uint32_t*)0x203b3ff8 = 0;
  *(uint32_t*)0x203b3ffc = 0;
  syscall(__NR_ioctl, r[0], 0x40045431, 0x203b3fdc);
  syscall(__NR_write, r[0], 0x20000080, 0x100000272);
  syscall(__NR_ioctl, r[1], 0x80dc5521, 0x200002c0);
  res = syz_open_pts(r[0], 0xa00);
  if (res != -1)
    r[2] = res;
  *(uint32_t*)0x200000c0 = 0;
  *(uint32_t*)0x200000c4 = 0;
  *(uint32_t*)0x200000c8 = 0;
  *(uint32_t*)0x200000cc = 0;
  *(uint8_t*)0x200000d0 = 0;
  *(uint8_t*)0x200000d1 = 0;
  *(uint8_t*)0x200000d2 = 0;
  *(uint8_t*)0x200000d3 = 0;
  *(uint32_t*)0x200000d4 = 0;
  *(uint32_t*)0x200000d8 = 0;
  *(uint32_t*)0x200000dc = 0;
  *(uint32_t*)0x200000e0 = 0;
  syscall(__NR_ioctl, r[2], 0x5412, 0x200000c0);
  syscall(__NR_ioctl, r[0], 0x5411, 0x20000140);
}

int main()
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  for (;;) {
    loop();
  }
}