r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
r1 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TCSETSW(r1, 0x5403, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0, 0x0, "be608d363a63f881f199c36d5b5437f14c4066"})
ioctl$TIOCSTI(r1, 0x5412, &(0x7f0000000280))
readv(r0, &(0x7f00000027c0)=[{&(0x7f0000000200)=""/53, 0x35}], 0x1)