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The cgroup_hierarchical_stats selftests uses an fentry program attached to cgroup_attach_task and then passes the received &dst_cgrp->self to the css_rstat_updated() kfunc. The verifier now assumes that all kfuncs only takes trusted pointer arguments, and pointers received by fentry are not marked trustes by default. Use a tp_btf program in place for fentry for this test, pointers received by tp_btf programs are marked trusted by the verifier. Acked-by: Eduard Zingerman <eddyz87@gmail.com> Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com> Signed-off-by: Puranjay Mohan <puranjay@kernel.org> Link: https://lore.kernel.org/r/20260102180038.2708325-10-puranjay@kernel.org Signed-off-by: Alexei Starovoitov <ast@kernel.org>