CVE-2025-39943

In the Linux kernel, the following vulnerability has been resolved:

ksmbd: smbdirect: validate data_offset and data_length field of smb_direct_data_transfer

If data_offset and data_length of smb_direct_data_transfer struct are
invalid, out of bounds issue could happen.
This patch validate data_offset and data_length field in recv_done.

More information : https://git.kernel.org/stable/c/5282491fc49d5614ac6ddcd012e5743eecb6a67c