r0 = syz_open_dev$tty20(0xc, 0x4, 0x0) ioctl$TCSETSW(r0, 0x5403, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x10002, 0x0, "56a05bf357d02c964565d12c982188953a9861"}) poll(&(0x7f0000004500)=[{r0}], 0x1, 0x0)