aa_alloc_secid(9)

🎀 aa_alloc_secid(9) 🎀

okay so we're in the Kernel API Manual bestie, section 9 of the kernel API docs, and today's main character is aa_alloc_secid — the little function that hands your AppArmor profile its very own secid. it's giving "allocator but make it fashion" 💅

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✨ NAME ✨

aa_alloc_secid — allocate a new secid for a profile 🦋

like, that's literally her whole job. she gets a profile a secid. no cap.

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🌸 SYNOPSIS 🌸

int aa_alloc_secid (struct aa_label *label , gfp_t gfp );

yes the spacing is exactly like that, don't come for me, that's how it's written 😭

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💖 ARGUMENTS 💖

• label — the label you want to allocate a secid for 🫶 this is the profile's label, she's the one getting the glow-up
• gfp — memory allocation flags ✨ yk, the usual gfp_t vibes, telling the kernel how it's allowed to go get that memory

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👑 RETURN 👑

so here's the tea, two outcomes:

• returns 0 and label->secid is initialized 💚 slay, we love a success story
• returns <0 on error, and label->secid gets set to AA_SECID_INVALID 💀 so like, don't just assume it worked, check the return value bestie, fr fr

ngl if you ignore the negative return you're gonna have a bad time — the secid will literally be AA_SECID_INVALID, that's your red flag 🚩

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🔥 SEE ALSO 🔥

• Kernel file ./security/apparmor/secid.c 🧚
• aa_free_secid(9) — the cleanup queen, the counterpart, the "ok we're done here" 🌈

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and that's the whole page bestie, go forth and allocate responsibly 💜

source: ./security/apparmor · version/date: October 2026 · aa_alloc_secid(9) — mwah, love u, bye 🍓🎀