bpf/progs/cgrp_kfunc_failure.c

42 	/* Can't invoke bpf_cgroup_acquire() on an untrusted pointer. */
43 	acquired = bpf_cgroup_acquire(v->cgrp);
56 	acquired = bpf_cgroup_acquire(cgrp);
59 	 * of bpf_cgroup_acquire().
72 	/* Can't invoke bpf_cgroup_acquire() on a random frame pointer. */
73 	acquired = bpf_cgroup_acquire((struct cgroup *)&stack_cgrp);
81 __failure __msg("calling kernel function bpf_cgroup_acquire is not allowed")
87 	acquired = bpf_cgroup_acquire(cgrp);
100 	/* Can't invoke bpf_cgroup_acquire() on a pointer obtained from walking a trusted cgroup. */
101 	acquired = bpf_cgroup_acquire(cgrp->old_dom_cgrp);
114 	/* Can't invoke bpf_cgroup_acquire() on a NULL pointer. */
115 	acquired = bpf_cgroup_acquire(NULL);
128 	acquired = bpf_cgroup_acquire(cgrp);
227 	acquired = bpf_cgroup_acquire(cgrp);