verify_profile(9)

💅 verify_profile(9) — Kernel API Manual, bestie edition 🎀

okay so literally welcome to verify_profile, a kernel API page from the Kernel API Manual — and yeah, the whole thing is basically a vibe check for your AppArmor profile after it's been unpacked ✨

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🌸 NAME 🌸

verify_profile — do post unpack analysis to verify profile consistency 🫶

like... it goes in after the unpacking is done and makes sure everything actually matches up. consistency check era 💅

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✨ SYNOPSIS ✨

int verify_profile (struct aa_profile *profile );

that's it. one function, one argument, one int coming back at you 🔥

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🦋 ARGUMENTS 🦋

• profile — the profile to verify. and it is NOT NULL, bestie, do not even think about it 🙈

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⭐ RETURN ⭐

• 0 if it passes verification 🎉
• otherwise an error 😭

no cap, that's the whole contract.

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💖 DESCRIPTION 💖

this verification is post any unpack mapping or changes — so like, after the unpack stuff has already happened and been mapped or changed, this is the part where it takes a look and goes "okay but does this actually hold together tho" 👑

it's giving quality control. it's giving final boss of the unpack pipeline. main character energy fr fr 🧚

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🌈 SEE ALSO 🌈

kernel file ./security/apparmor/policy_unpack.c — plus the whole squad, and we are obsessed with each and every one of them:

• audit_iface(9)
• aa_unpack_u16_chunk(9)
• aa_unpack_nameX(9)
• unpack_dfa(9)
• unpack_strs_table(9)
• unpack_profile(9)
• verify_header(9)
• verify_dfa_accept_index(9)
• aa_unpack(9)

iykyk 💜

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💀 reminder bestie: profile is NOT NULL. this is not a drill, this is a documented requirement, and the manpage said it in all caps for a reason 🫶

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and that's the whole page, slay ✨

source/version: ./security/apparmor — dated October 2026, and verify_profile(9) is the star of the show 👑 hope this helped, mwah 💋🎀