diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/bpf.h | 3 | ||||
| -rw-r--r-- | include/linux/bpf_verifier.h | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h index eced6400f778..12596af59c00 100644 --- a/include/linux/bpf.h +++ b/include/linux/bpf.h @@ -653,7 +653,8 @@ enum bpf_type_flag { MEM_RCU = BIT(13 + BPF_BASE_TYPE_BITS), /* Used to tag PTR_TO_BTF_ID | MEM_ALLOC references which are non-owning. - * Currently only valid for linked-list and rbtree nodes. + * Currently only valid for linked-list and rbtree nodes. If the nodes + * have a bpf_refcount_field, they must be tagged MEM_RCU as well. */ NON_OWN_REF = BIT(14 + BPF_BASE_TYPE_BITS), diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h index f70f9ac884d2..b6e58dab8e27 100644 --- a/include/linux/bpf_verifier.h +++ b/include/linux/bpf_verifier.h @@ -745,7 +745,7 @@ static inline bool bpf_prog_check_recur(const struct bpf_prog *prog) } } -#define BPF_REG_TRUSTED_MODIFIERS (MEM_ALLOC | PTR_TRUSTED) +#define BPF_REG_TRUSTED_MODIFIERS (MEM_ALLOC | PTR_TRUSTED | NON_OWN_REF) static inline bool bpf_type_has_unsafe_modifiers(u32 type) { |