r0 = syz_open_dev$tty20(0xc, 0x4, 0x0)
ioctl$TCSETSF2(r0, 0x402c542d, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, "0bca00"})
readv(r0, &(0x7f0000000380)=[{&(0x7f0000000200)=""/2, 0x2}], 0x1)