r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TCSETSF2(r0, 0x402c542d, &(0x7f0000000000)={0x0, 0x0, 0x0, 0xfffffff7, 0x0, "5eff720600"})
readv(r0, &(0x7f00000027c0)=[{&(0x7f0000000200)=""/67, 0x43}], 0x1)
ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000080)=0x67)