r0 = openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000040), 0x0, 0x0)
ioctl$TCSETSF2(r0, 0x541e, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x0, 0x0, "f2f3e2a9286b6a770ff8c2b978657df3480824"})