23  * Test credential changes and their impact on namespace active references.
27  * Test setuid() in a user namespace properly swaps active references.
28  * Create a user namespace with multiple UIDs mapped, then setuid() between them.
29  * Verify that the user namespace remains active throughout.
64 		/* Create new user namespace with multiple UIDs mapped (0-9) */  in TEST()
78 		/* Get user namespace ID */  in TEST()
92 		/* Send namespace ID to parent */  in TEST()
121 		SKIP(return, "Failed to get namespace ID from child");  in TEST()
125 	TH_LOG("Child user namespace ID: %llu", (unsigned long long)userns_id);  in TEST()
127 	/* Verify namespace is active while child is running */  in TEST()
149 	/* Verify namespace becomes inactive after child exits */  in TEST()
166  * Test setgid() in a user namespace properly handles active references.
201 		/* Create new user namespace with multiple GIDs mapped */  in TEST()
215 		/* Get user namespace ID */  in TEST()
253 		SKIP(return, "Failed to get namespace ID from child");  in TEST()
261 	/* Verify namespace becomes inactive */  in TEST()
317 		/* Create new user namespace */  in TEST()
331 		/* Get user namespace ID */  in TEST()
372 		SKIP(return, "Failed to get namespace ID from child");  in TEST()
380 	/* Verify namespace becomes inactive */  in TEST()
435 		/* Create first user namespace */  in TEST()
449 		/* Get first namespace ID */  in TEST()
463 		/* Create nested user namespace */  in TEST()
477 		/* Get nested namespace ID */  in TEST()
495 		/* Perform some credential changes in nested namespace */  in TEST()
506 	/* Read both namespace IDs */  in TEST()
511 		SKIP(return, "Failed to get parent namespace ID");  in TEST()
518 		SKIP(return, "Failed to get child namespace ID");  in TEST()
566 	TH_LOG("Nested user namespace credential changes preserved active refs (no leak)");  in TEST()
606 		/* Create new user namespace with wider range of UIDs/GIDs */  in TEST()
620 		/* Get user namespace ID */  in TEST()
674 		SKIP(return, "Failed to get namespace ID from child");  in TEST()
678 	TH_LOG("Testing with user namespace ID: %llu", (unsigned long long)userns_id);  in TEST()
684 	/* Verify namespace becomes inactive (no leaked active refs) */  in TEST()
740 		/* Create new user namespace */  in TEST()
754 		/* Get user namespace ID */  in TEST()
787 		SKIP(return, "Failed to get namespace ID from child");  in TEST()
795 	/* Verify namespace becomes inactive */  in TEST()