Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> writes: Kefeng, > 'n = header_length + block_descriptor_length' could be greater than 512, > and will lead to oob access, so enlarge transfer buffer to fix it. Can you share the output of sg_modes -p 0x2a /dev/srN for the offending drive? This mode page is usually much smaller than 512 bytes (typically between 32 and 128 bytes). -- Martin K. Petersen Oracle Linux Engineering