test_kuid_ro...t_ns_nonzero(9)

💅 test_kuid_ro...t_ns_nonzero(9) 💅

okay bestie, this is the Kernel API Manual entry for the KUnit test called test_kuid_root_in_ns_init_ns_nonzero, and it's literally here to check one very specific thing. no cap. 🎀

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✨ NAME ✨

test_kuid_root_in_ns_init_ns_nonzero — Test kuid_root_in_ns with init namespace and non-zero UID. iconic behavior check 🌈

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🦋 SYNOPSIS 🦋

void test_kuid_root_in_ns_init_ns_nonzero (struct kunit *test );

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🌸 ARGUMENTS 🌸

• test — the KUnit test context, aka the little setup bag the test needs 🫶

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💖 DESCRIPTION 💖

This test verifies that kuid_root_in_ns correctly rejects non-zero UIDs in the init namespace. The vibe check is simple, bestie: only UID 0 should own a namespace. periodt. 👑

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🔥 SEE ALSO 🔥

• Kernel file ./security/commoncap_test.c 📁
• test_vfsuid_root_in_currentns_init_ns(9)
• test_vfsuid_root_in_currentns_invalid(9)
• test_vfsuid_root_in_currentns_nonzero(9)
• test_kuid_root_in_ns_init_ns_uid0(9)
• create_test_user_ns_with_mapping(9)
• test_kuid_root_in_ns_with_mapping(9)
• test_kuid_root_in_ns_with_different_mappings(9) 🧚

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bestie, that's the whole page — every reference is there, no crumbs left behind 💅

signing off from ./security 💖 dated October 2026 🎀✨