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. Signed-off-by: Puranjay Mohan --- .../testing/selftests/bpf/progs/cgroup_hierarchical_stats.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/tools/testing/selftests/bpf/progs/cgroup_hierarchical_stats.c b/tools/testing/selftests/bpf/progs/cgroup_hierarchical_stats.c index ff189a736ad8..8fc38592a87b 100644 --- a/tools/testing/selftests/bpf/progs/cgroup_hierarchical_stats.c +++ b/tools/testing/selftests/bpf/progs/cgroup_hierarchical_stats.c @@ -62,9 +62,9 @@ static int create_attach_counter(__u64 cg_id, __u64 state, __u64 pending) &init, BPF_NOEXIST); } -SEC("fentry/cgroup_attach_task") -int BPF_PROG(counter, struct cgroup *dst_cgrp, struct task_struct *leader, - bool threadgroup) +SEC("tp_btf/cgroup_attach_task") +int BPF_PROG(counter, struct cgroup *dst_cgrp, const char *path, + struct task_struct *task, bool threadgroup) { __u64 cg_id = cgroup_id(dst_cgrp); struct percpu_attach_counter *pcpu_counter = bpf_map_lookup_elem( -- 2.47.3