xfs: avoid dereferencing log items after push callbacks

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

CVE-2026-31453 · Microsoft / collected KEV context

cve-program · CVE-2026-31453

• https://git.kernel.org/stable/c/c8a2ab339b88d10fc34a3318c92f07d8a467019d
• https://git.kernel.org/stable/c/7121b22b0bac89394cc4c6a54b5aebc15347bdf5
• https://git.kernel.org/stable/c/c4d603e8e58a3bf35480135ccca2b4f7238abda5
• https://git.kernel.org/stable/c/95fb5d643cc70959baa54cd17f52f80ffc3295e7
• https://git.kernel.org/stable/c/451c6329d9afa45862c36fe6677eb7750db60617
• https://git.kernel.org/stable/c/79ef34ec0554ec04bdbafafbc9836423734e1bd6

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