drivers/hid/bpf/hid_bpf_dispatch.c

577

BTF_ID_FLAGS(func, hid_bpf_get_data, KF_RET_NULL)

drivers/hid/bpf/hid_bpf_dispatch.c

578

BTF_ID_FLAGS(func, hid_bpf_allocate_context, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)

drivers/hid/bpf/hid_bpf_dispatch.c

593

BTF_ID_FLAGS(func, hid_bpf_allocate_context, KF_ACQUIRE | KF_RET_NULL)

fs/bpf_fs_kfuncs.c

385

BTF_ID_FLAGS(func, bpf_get_task_exe_file, KF_ACQUIRE | KF_RET_NULL)

fs/bpf_fs_kfuncs.c

392

BTF_ID_FLAGS(func, bpf_real_data_inode, KF_SLEEPABLE | KF_RET_NULL)

io_uring/bpf-ops.c

56

BTF_ID_FLAGS(func, bpf_io_uring_get_region, KF_RET_NULL);

kernel/bpf/cpumask.c

478

BTF_ID_FLAGS(func, bpf_cpumask_create, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/crypto.c

355

BTF_ID_FLAGS(func, bpf_crypto_ctx_create, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)

kernel/bpf/crypto.c

357

BTF_ID_FLAGS(func, bpf_crypto_ctx_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL)

kernel/bpf/helpers.c

4806

BTF_ID_FLAGS(func, bpf_obj_new, KF_ACQUIRE | KF_RET_NULL | KF_IMPLICIT_ARGS)

kernel/bpf/helpers.c

4807

BTF_ID_FLAGS(func, bpf_obj_new_impl, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4808

BTF_ID_FLAGS(func, bpf_percpu_obj_new, KF_ACQUIRE | KF_RET_NULL | KF_IMPLICIT_ARGS)

kernel/bpf/helpers.c

4809

BTF_ID_FLAGS(func, bpf_percpu_obj_new_impl, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4814

BTF_ID_FLAGS(func, bpf_refcount_acquire, KF_ACQUIRE | KF_RET_NULL | KF_RCU | KF_IMPLICIT_ARGS)

kernel/bpf/helpers.c

4815

BTF_ID_FLAGS(func, bpf_refcount_acquire_impl, KF_ACQUIRE | KF_RET_NULL | KF_RCU)

kernel/bpf/helpers.c

4821

BTF_ID_FLAGS(func, bpf_list_pop_front, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4822

BTF_ID_FLAGS(func, bpf_list_pop_back, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4823

BTF_ID_FLAGS(func, bpf_list_del, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4824

BTF_ID_FLAGS(func, bpf_list_front, KF_RET_NULL)

kernel/bpf/helpers.c

4825

BTF_ID_FLAGS(func, bpf_list_back, KF_RET_NULL)

kernel/bpf/helpers.c

4829

BTF_ID_FLAGS(func, bpf_task_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL)

kernel/bpf/helpers.c

4831

BTF_ID_FLAGS(func, bpf_rbtree_remove, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4834

BTF_ID_FLAGS(func, bpf_rbtree_first, KF_RET_NULL)

kernel/bpf/helpers.c

4835

BTF_ID_FLAGS(func, bpf_rbtree_root, KF_RET_NULL)

kernel/bpf/helpers.c

4836

BTF_ID_FLAGS(func, bpf_rbtree_left, KF_RET_NULL)

kernel/bpf/helpers.c

4837

BTF_ID_FLAGS(func, bpf_rbtree_right, KF_RET_NULL)

kernel/bpf/helpers.c

4840

BTF_ID_FLAGS(func, bpf_cgroup_acquire, KF_ACQUIRE | KF_RCU | KF_RET_NULL)

kernel/bpf/helpers.c

4842

BTF_ID_FLAGS(func, bpf_cgroup_ancestor, KF_ACQUIRE | KF_RCU | KF_RET_NULL)

kernel/bpf/helpers.c

4843

BTF_ID_FLAGS(func, bpf_cgroup_from_id, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4845

BTF_ID_FLAGS(func, bpf_task_get_cgroup1, KF_ACQUIRE | KF_RCU | KF_RET_NULL)

kernel/bpf/helpers.c

4847

BTF_ID_FLAGS(func, bpf_task_from_pid, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4848

BTF_ID_FLAGS(func, bpf_task_from_vpid, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4854

BTF_ID_FLAGS(func, bpf_lookup_user_key, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)

kernel/bpf/helpers.c

4855

BTF_ID_FLAGS(func, bpf_lookup_system_key, KF_ACQUIRE | KF_RET_NULL)

kernel/bpf/helpers.c

4885

BTF_ID_FLAGS(func, bpf_dynptr_slice, KF_RET_NULL)

kernel/bpf/helpers.c

4886

BTF_ID_FLAGS(func, bpf_dynptr_slice_rdwr, KF_RET_NULL)

kernel/bpf/helpers.c

4888

BTF_ID_FLAGS(func, bpf_iter_num_next, KF_ITER_NEXT | KF_RET_NULL)

kernel/bpf/helpers.c

4891

BTF_ID_FLAGS(func, bpf_iter_task_vma_next, KF_ITER_NEXT | KF_RET_NULL)

kernel/bpf/helpers.c

4895

BTF_ID_FLAGS(func, bpf_iter_css_task_next, KF_ITER_NEXT | KF_RET_NULL)

kernel/bpf/helpers.c

4898

BTF_ID_FLAGS(func, bpf_iter_css_next, KF_ITER_NEXT | KF_RET_NULL)

kernel/bpf/helpers.c

4902

BTF_ID_FLAGS(func, bpf_iter_task_next, KF_ITER_NEXT | KF_RET_NULL)

kernel/bpf/helpers.c

4920

BTF_ID_FLAGS(func, bpf_iter_bits_next, KF_ITER_NEXT | KF_RET_NULL)

kernel/bpf/helpers.c

4926

BTF_ID_FLAGS(func, bpf_iter_kmem_cache_next, KF_ITER_NEXT | KF_RET_NULL | KF_SLEEPABLE)

kernel/bpf/helpers.c

4942

BTF_ID_FLAGS(func, bpf_iter_dmabuf_next, KF_ITER_NEXT | KF_RET_NULL | KF_SLEEPABLE)

kernel/bpf/rqspinlock.c

747

BTF_ID_FLAGS(func, bpf_res_spin_lock, KF_RET_NULL)

kernel/bpf/rqspinlock.c

749

BTF_ID_FLAGS(func, bpf_res_spin_lock_irqsave, KF_RET_NULL)

kernel/bpf/verifier.c

11229

return meta->kfunc_flags & KF_RET_NULL;

kernel/sched/ext/ext.c

10468

BTF_ID_FLAGS(func, scx_bpf_dsq_peek, KF_IMPLICIT_ARGS | KF_RCU_PROTECTED | KF_RET_NULL)

kernel/sched/ext/ext.c

10472

BTF_ID_FLAGS(func, bpf_iter_scx_dsq_next, KF_ITER_NEXT | KF_RET_NULL)

kernel/sched/ext/ext.c

10495

BTF_ID_FLAGS(func, scx_bpf_locked_rq, KF_IMPLICIT_ARGS | KF_RET_NULL)

kernel/sched/ext/ext.c

10496

BTF_ID_FLAGS(func, scx_bpf_cpu_curr, KF_IMPLICIT_ARGS | KF_RET_NULL | KF_RCU_PROTECTED)

kernel/sched/ext/ext.c

10497

BTF_ID_FLAGS(func, scx_bpf_cid_curr, KF_IMPLICIT_ARGS | KF_RET_NULL | KF_RCU_PROTECTED)

kernel/sched/ext/ext.c

10498

BTF_ID_FLAGS(func, scx_bpf_tid_to_task, KF_RET_NULL | KF_RCU_PROTECTED)

kernel/sched/ext/ext.c

10530

BTF_ID_FLAGS(func, scx_bpf_cpu_curr, KF_IMPLICIT_ARGS | KF_RET_NULL | KF_RCU_PROTECTED)

mm/bpf_memcontrol.c

165

BTF_ID_FLAGS(func, bpf_get_root_mem_cgroup, KF_ACQUIRE | KF_RET_NULL)

mm/bpf_memcontrol.c

166

BTF_ID_FLAGS(func, bpf_get_mem_cgroup, KF_ACQUIRE | KF_RET_NULL | KF_RCU)

net/netfilter/nf_conntrack_bpf.c

499

BTF_ID_FLAGS(func, bpf_xdp_ct_alloc, KF_ACQUIRE | KF_RET_NULL)

net/netfilter/nf_conntrack_bpf.c

500

BTF_ID_FLAGS(func, bpf_xdp_ct_lookup, KF_ACQUIRE | KF_RET_NULL)

net/netfilter/nf_conntrack_bpf.c

501

BTF_ID_FLAGS(func, bpf_skb_ct_alloc, KF_ACQUIRE | KF_RET_NULL)

net/netfilter/nf_conntrack_bpf.c

502

BTF_ID_FLAGS(func, bpf_skb_ct_lookup, KF_ACQUIRE | KF_RET_NULL)

net/netfilter/nf_conntrack_bpf.c

503

BTF_ID_FLAGS(func, bpf_ct_insert_entry, KF_ACQUIRE | KF_RET_NULL | KF_RELEASE)

net/netfilter/nf_flow_table_bpf.c

108

BTF_ID_FLAGS(func, bpf_xdp_flow_lookup, KF_RET_NULL)

net/xfrm/xfrm_state_bpf.c

121

BTF_ID_FLAGS(func, bpf_xdp_get_xfrm_state, KF_RET_NULL | KF_ACQUIRE)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

1372

BTF_ID_FLAGS(func, bpf_kfunc_call_test_acquire, KF_ACQUIRE | KF_RET_NULL)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

1373

BTF_ID_FLAGS(func, bpf_kfunc_call_memb_acquire, KF_ACQUIRE | KF_RET_NULL)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

1375

BTF_ID_FLAGS(func, bpf_kfunc_call_test_get_rdwr_mem, KF_RET_NULL)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

1376

BTF_ID_FLAGS(func, bpf_kfunc_call_test_get_rdonly_mem, KF_RET_NULL)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

1377

BTF_ID_FLAGS(func, bpf_kfunc_call_test_acq_rdonly_mem, KF_ACQUIRE | KF_RET_NULL)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

722

BTF_ID_FLAGS(func, bpf_iter_testmod_seq_next, KF_ITER_NEXT | KF_RET_NULL)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

735

BTF_ID_FLAGS(func, bpf_kfunc_ret_rcu_test, KF_RET_NULL | KF_RCU_PROTECTED)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

736

BTF_ID_FLAGS(func, bpf_kfunc_ret_rcu_test_nostruct, KF_RET_NULL | KF_RCU_PROTECTED)

tools/testing/selftests/bpf/test_kmods/bpf_testmod.c

737

BTF_ID_FLAGS(func, bpf_testmod_ctx_create, KF_ACQUIRE | KF_RET_NULL)