kernel/bpf/bpf_struct_ops.c

1467

rcu_assign_pointer(prog->aux->st_ops_assoc, BPF_PTR_POISON);

kernel/bpf/bpf_struct_ops.c

1490

if (!st_ops_assoc || st_ops_assoc == BPF_PTR_POISON)

kernel/bpf/bpf_struct_ops.c

1515

if (!st_ops_assoc || st_ops_assoc == BPF_PTR_POISON)

kernel/bpf/core.c

3213

.func = BPF_PTR_POISON,

kernel/bpf/helpers.c

1747

.ret_btf_id = BPF_PTR_POISON,

kernel/bpf/helpers.c

1750

.arg2_btf_id = BPF_PTR_POISON,

kernel/bpf/helpers.c

2269

WRITE_ONCE(node->owner, BPF_PTR_POISON);

kernel/bpf/helpers.c

2320

WRITE_ONCE(node->owner, BPF_PTR_POISON);

kernel/bpf/helpers.c

2514

if (cmpxchg(&node->owner, NULL, BPF_PTR_POISON))

kernel/bpf/helpers.c

2737

if (cmpxchg(&node->owner, NULL, BPF_PTR_POISON)) {

kernel/bpf/helpers.c

352

.arg1_btf_id = BPF_PTR_POISON,

kernel/bpf/helpers.c

375

.arg1_btf_id = BPF_PTR_POISON,

kernel/bpf/verifier.c

10533

if (fn->ret_btf_id == BPF_PTR_POISON) {

kernel/bpf/verifier.c

7937

if (arg_btf_id == BPF_PTR_POISON) {

kernel/bpf/verifier.c

8813

return fn->arg_btf_id[i] == BPF_PTR_POISON;