selftests/namespaces: second active reference count tests

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Test namespace lifecycle: create a namespace in a child process, get a
file handle while it's active, then try to reopen after the process
exits (namespace becomes inactive).

Link: https://patch.msgid.link/20251029-work-namespace-nstree-listns-v4-24-2e6f823ebdc0@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>

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Christian Brauner 2025-10-29 13:20:37 +01:00

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commit 721c7e41b1

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tools/testing/selftests/namespaces/ns_active_ref_test.c

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