r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000080)=0x81)
r1 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000000)=0x9)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f00000001c0)=0x17)