ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-31478 · Microsoft / collected KEV context

cve-program · CVE-2026-31478

• https://git.kernel.org/stable/c/70b4c414889492c522b6e4331562360f49be2361
• https://git.kernel.org/stable/c/9a7166f0ef8cbb7bb48dd05e2471d995566003f5
• https://git.kernel.org/stable/c/c3a89e3ec1ccf64fa6a34e391e1581ebbcba8683
• https://git.kernel.org/stable/c/6aef1765d6807e0f027cd87f6ac973eb0879a46d
• https://git.kernel.org/stable/c/80824c7e527b70cf9039534e60aff592e8f209d1
• https://git.kernel.org/stable/c/4cb537ae4f37d7d0f617815ed4bed7173fb50861
• https://git.kernel.org/stable/c/0e55f63dd08f09651d39e1b709a91705a8a0ddcb

No related operational record is retained in the current change model.