socket$inet_tcp(0x2, 0x1, 0x0)
dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0)
r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000000)=0x2)
ioctl$TIOCSTI(r0, 0x5437, 0x0)