static u8 bs_selector(int block_size)
{
	switch (block_size) {
	case 512:	    return 0x1;
	case 520:	    return 0x2;
	case 4096:	    return 0x3;
	case 4160:	    return 0x4;
	case 1073741824:    return 0x5;
	default:	    return 0;
	}
}

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.