r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f00000003c0), 0x0, 0x0)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000040)=0xfc)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f00000000c0)=0x17)