aa_lookupn_ns(9)

💖 aa_lookupn_ns(9) 💖

okay so bestie, we're in the Kernel API Manual and this page is all about aa_lookupn_ns(9) — a policy namespace lookup relative to @view. no cap, it's a tiny function with a refcounted return 🫶

✨ NAME ✨

aa_lookupn_ns — look up a policy namespace relative to @view.

🌸 SYNOPSIS 🌸

struct aa_ns * aa_lookupn_ns (struct aa_ns *view , const char *name ,
size_t n );

🎀 ARGUMENTS 🎀

• view — namespace to search in (NOT NULL)
• name — name of namespace to find (NOT NULL)
• n — length of name

🔥 RETURN 🔥

You get a refcounted namespace on the list, or NULL if no namespace called name exists. periodt ✨

💅 DESCRIPTION 💅

The description is literally just: refcount released by caller. don't leave that refcount hanging, bestie 😭

🦋 SEE ALSO 🦋

Kernel file ./security/apparmor/policy_ns.c — the whole friend group:

• aa_ns_visible(9)
• aa_ns_name(9)
• alloc_ns(9)
• aa_free_ns(9)
• __aa_lookupn_ns(9)
• __aa_find_or_create_ns(9)
• aa_prepare_ns(9)
• destroy_ns(9)
• __aa_remove_ns(9)
• __ns_list_release(9)
• aa_alloc_root_ns(9)

okay that's the whole page, bestie 💖 source/version: ./security/apparmor; date: October 2026 — slay and read the source ✨💅