ceph: only d_add() negative dentries when they are unhashed

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

CVE-2026-46052 · Microsoft / collected KEV context

cve-program · CVE-2026-46052

• https://git.kernel.org/stable/c/4147ae08824cc8b65d2b2018f79d416af2937108
• https://git.kernel.org/stable/c/73b47a1f06dee5e61b00dee5227d75d3f1f6d977
• https://git.kernel.org/stable/c/79ffcbeac6bc1dc1bcdb0434acf250f6215ec111
• https://git.kernel.org/stable/c/83ce43a21bb7df8dd52228afdd918d2d058eefde
• https://git.kernel.org/stable/c/4179cc390dacebc87079419ec92f86f3dc46294d
• https://git.kernel.org/stable/c/b91e535f208c48a5e7464f1aa38338a30e7912df
• https://git.kernel.org/stable/c/2010cb06b9df7d3c816c78358c566bdacbdf38ff
• https://git.kernel.org/stable/c/803447f93d75ab6e40c85e6d12b5630d281d70d6

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