mm/hugetlb: fix list corruption in allocate_file_region_entries()

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

CVE-2026-74518 · Microsoft / collected KEV context

cve-program · CVE-2026-74518

• https://git.kernel.org/stable/c/01b8569233e47693d6ff7efa96d9854c55f936fc
• https://git.kernel.org/stable/c/9c5fdffc5e1ce84403c58289ee72697051803bf7
• https://git.kernel.org/stable/c/f3e54f6a5e1681f83d13e8716bc92ef5ecf121d3
• https://git.kernel.org/stable/c/62e1c2741a4d923d9854efd5927a6212aad7a187
• https://git.kernel.org/stable/c/587a0accc2b4fccc5cf7baf0fe34e50efde51f9c
• https://git.kernel.org/stable/c/126a70bf1a08ddc9d79c471ebdaa2b08cfbab8df
• https://git.kernel.org/stable/c/ac1bb7fd45088d0db57a22ce7729f258ebd63cf5
• https://git.kernel.org/stable/c/dd9623f58ec702a07b2d67179d6fcea79c52231a

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