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-rw-r--r--kernel/bpf/log.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/kernel/bpf/log.c b/kernel/bpf/log.c
index 61d7d23a0118..594a234f122b 100644
--- a/kernel/bpf/log.c
+++ b/kernel/bpf/log.c
@@ -628,6 +628,12 @@ static bool type_is_map_ptr(enum bpf_reg_type t) {
}
}
+/*
+ * _a stands for append, was shortened to avoid multiline statements below.
+ * This macro is used to output a comma separated list of attributes.
+ */
+#define verbose_a(fmt, ...) ({ verbose(env, "%s" fmt, sep, ##__VA_ARGS__); sep = ","; })
+
static void print_reg_state(struct bpf_verifier_env *env,
const struct bpf_func_state *state,
const struct bpf_reg_state *reg)
@@ -643,11 +649,6 @@ static void print_reg_state(struct bpf_verifier_env *env,
verbose_snum(env, reg->var_off.value + reg->off);
return;
}
-/*
- * _a stands for append, was shortened to avoid multiline statements below.
- * This macro is used to output a comma separated list of attributes.
- */
-#define verbose_a(fmt, ...) ({ verbose(env, "%s" fmt, sep, ##__VA_ARGS__); sep = ","; })
verbose(env, "%s", reg_type_str(env, t));
if (t == PTR_TO_STACK) {
@@ -686,6 +687,8 @@ static void print_reg_state(struct bpf_verifier_env *env,
verbose_a("sz=");
verbose_unum(env, reg->mem_size);
}
+ if (t == CONST_PTR_TO_DYNPTR)
+ verbose_a("type=%s", dynptr_type_str(reg->dynptr.type));
if (tnum_is_const(reg->var_off)) {
/* a pointer register with fixed offset */
if (reg->var_off.value) {
@@ -702,8 +705,6 @@ static void print_reg_state(struct bpf_verifier_env *env,
}
}
verbose(env, ")");
-
-#undef verbose_a
}
void print_verifier_state(struct bpf_verifier_env *env, const struct bpf_func_state *state,
@@ -727,6 +728,7 @@ void print_verifier_state(struct bpf_verifier_env *env, const struct bpf_func_st
}
for (i = 0; i < state->allocated_stack / BPF_REG_SIZE; i++) {
char types_buf[BPF_REG_SIZE + 1];
+ const char *sep = "";
bool valid = false;
u8 slot_type;
int j;
@@ -765,9 +767,14 @@ void print_verifier_state(struct bpf_verifier_env *env, const struct bpf_func_st
verbose(env, " fp%d", (-i - 1) * BPF_REG_SIZE);
print_liveness(env, reg->live);
- verbose(env, "=dynptr_%s", dynptr_type_str(reg->dynptr.type));
+ verbose(env, "=dynptr_%s(", dynptr_type_str(reg->dynptr.type));
+ if (reg->id)
+ verbose_a("id=%d", reg->id);
if (reg->ref_obj_id)
- verbose(env, "(ref_id=%d)", reg->ref_obj_id);
+ verbose_a("ref_id=%d", reg->ref_obj_id);
+ if (reg->dynptr_id)
+ verbose_a("dynptr_id=%d", reg->dynptr_id);
+ verbose(env, ")");
break;
case STACK_ITER:
/* only main slot has ref_obj_id set; skip others */