r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TIOCVHANGUP(r0, 0x5437, 0x0)
r1 = epoll_create(0x1)
epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f00000000c0))
dup3(r0, r1, 0x0)