libceph: make free_choose_arg_map() resilient to partial allocation

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

CVE-2026-22991 · Microsoft / collected KEV context

cve-program · CVE-2026-22991

• https://git.kernel.org/stable/c/9b3730dabcf3764bfe3ff07caf55e641a0b45234
• https://git.kernel.org/stable/c/851241d3f78a5505224dc21c03d8692f530256b4
• https://git.kernel.org/stable/c/ec1850f663da64842614c86b20fe734be070c2ba
• https://git.kernel.org/stable/c/8081faaf089db5280c3be820948469f7c58ef8dd
• https://git.kernel.org/stable/c/c4c2152a858c0ce4d2bff6ca8c1d5b0ef9f2cbdf
• https://git.kernel.org/stable/c/f21c3fdb96833aac2f533506899fe38c19cf49d5
• https://git.kernel.org/stable/c/e3fe30e57649c551757a02e1cad073c47e1e075e

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