Commit 9f9e6fbdf8 for frr

commit 9f9e6fbdf8c8597afcf24634a1eca9037c425f42
Merge: 49e033bbca 4abf59dda2
Author: Russ White <russ@riw.us>
Date:   Wed Sep 30 12:07:15 2026 -0400

    Merge pull request #23421 from amappilapara/amappilapara/nb-use-after-free

    lib: fix use-after-free of the notification walk on cancel