r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) stat(&(0x7f0000001cc0)='.\x00', &(0x7f0000001c00)={0x0, 0x0, 0x0, 0x0, 0x0}) setresuid(0x0, r1, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x5)