r0 = syz_open_dev$tty1(0xc, 0x4, 0x1)
newfstatat(0xffffffffffffff9c, 0x0, &(0x7f0000002640)={0x0, 0x0, 0x0, 0x0, <r1=>0x0}, 0x1100)
setresuid(0x0, r1, 0x0)
ioctl$TIOCSLCKTRMIOS(r0, 0x4b44, 0x0)