bpf/progs/task_kfunc_failure.c

41 	/* Can't invoke bpf_task_acquire() on an untrusted pointer. */
42 	acquired = bpf_task_acquire(v->task);
57 	/* Can't invoke bpf_task_acquire() on a random frame pointer. */
58 	acquired = bpf_task_acquire((struct task_struct *)&stack_task);
68 __failure __msg("calling kernel function bpf_task_acquire is not allowed")
73 	/* Can't call bpf_task_acquire() or bpf_task_release() in an untrusted prog. */
74 	acquired = bpf_task_acquire(task);
83 __failure __msg("calling kernel function bpf_task_acquire is not allowed")
93 	/* Can't call bpf_task_acquire() or bpf_task_release() in an untrusted prog. */
94 	acquired = bpf_task_acquire(task);
108 	/* Can't invoke bpf_task_acquire() on a NULL pointer. */
109 	acquired = bpf_task_acquire(NULL);
123 	acquired = bpf_task_acquire(task);
157 	acquired = bpf_task_acquire(task);
214 	acquired = bpf_task_acquire(task);
257 	acquired = bpf_task_acquire(task);