Merge branch 'nfc-fix-leaks-and-races-surfaced-by-nipa'

Jakub Kicinski says:

====================
nfc: fix leaks and races surfaced by NIPA

I recently added the nci test to NIPA. Somewhat surprisingly it runs
without much settup but hits kmemleaks fairly often. Fix a handful of
issues to make the test pass in a stable way.
====================

Link: https://patch.msgid.link/20260303162346.2071888-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>