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-rw-r--r--include/linux/bpf.h8
-rw-r--r--include/linux/bpf_verifier.h1
2 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 9c48f11fe56e..c70bf04726b4 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -480,6 +480,10 @@ static inline int bpf_trampoline_unlink_prog(struct bpf_prog *prog)
static inline void bpf_trampoline_put(struct bpf_trampoline *tr) {}
#endif
+struct bpf_func_info_aux {
+ bool unreliable;
+};
+
struct bpf_prog_aux {
atomic_t refcnt;
u32 used_map_cnt;
@@ -494,6 +498,7 @@ struct bpf_prog_aux {
bool verifier_zext; /* Zero extensions has been inserted by verifier. */
bool offload_requested;
bool attach_btf_trace; /* true if attaching to BTF-enabled raw tp */
+ bool func_proto_unreliable;
enum bpf_tramp_prog_type trampoline_prog_type;
struct bpf_trampoline *trampoline;
struct hlist_node tramp_hlist;
@@ -518,6 +523,7 @@ struct bpf_prog_aux {
struct bpf_prog_offload *offload;
struct btf *btf;
struct bpf_func_info *func_info;
+ struct bpf_func_info_aux *func_info_aux;
/* bpf_line_info loaded from userspace. linfo->insn_off
* has the xlated insn offset.
* Both the main and sub prog share the same linfo.
@@ -890,6 +896,8 @@ int btf_distill_func_proto(struct bpf_verifier_log *log,
const char *func_name,
struct btf_func_model *m);
+int btf_check_func_arg_match(struct bpf_verifier_env *env, int subprog);
+
#else /* !CONFIG_BPF_SYSCALL */
static inline struct bpf_prog *bpf_prog_get(u32 ufd)
{
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 6e7284ea1468..cdd08bf0ec06 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -343,6 +343,7 @@ static inline bool bpf_verifier_log_needed(const struct bpf_verifier_log *log)
#define BPF_MAX_SUBPROGS 256
struct bpf_subprog_info {
+ /* 'start' has to be the first field otherwise find_subprog() won't work */
u32 start; /* insn idx of function entry point */
u32 linfo_idx; /* The idx to the main_prog->aux->linfo */
u16 stack_depth; /* max. stack depth used by this function */