test_vfsuid...ntns_init_ns(9)

💅✨ test_vfsuid_root_in_currentns_init_ns ✨💅

okay bestie, this is the test_vfsuid...ntns_init_ns(9) page from the Kernel API Manual, section 9 — and yes, the name is a whole mouthful, but she ate 💅

🎀 NAME 🎀

test_vfsuid_root_in_currentns_init_ns — Test vfsuid_root_in_currentns with init ns. literally that. no cap 💖

🌸 SYNOPSIS 🌸

void test_vfsuid_root_in_currentns_init_ns (struct kunit *test );

🦋 ARGUMENTS 🦋

• test — the KUnit test context. that’s the vibe she needs 🫶

✨ DESCRIPTION ✨

This test verifies that UID 0 in the init namespace correctly owns the current namespace when running in init_user_ns. that’s the check, that’s the moment, and it’s lowkey iconic 👑

🌈 SEE ALSO 🌈

• Kernel file ./security/commoncap_test.c
• test_vfsuid_root_in_currentns_invalid(9)
• test_vfsuid_root_in_currentns_nonzero(9)
• test_kuid_root_in_ns_init_ns_uid0(9)
• test_kuid_root_in_ns_init_ns_nonzero(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)

made with 💖 source/version: ./security / Kernel API Manual; date: October 2026 — periodt 🌈👑