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Diffstat (limited to 'kernel/bpf/log.c')
-rw-r--r--kernel/bpf/log.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/kernel/bpf/log.c b/kernel/bpf/log.c
index 97a1641e848e..c209ab1ec2b5 100644
--- a/kernel/bpf/log.c
+++ b/kernel/bpf/log.c
@@ -553,6 +553,17 @@ static void print_scalar_ranges(struct bpf_verifier_env *env,
}
}
+static bool type_is_map_ptr(enum bpf_reg_type t) {
+ switch (base_type(t)) {
+ case CONST_PTR_TO_MAP:
+ case PTR_TO_MAP_KEY:
+ case PTR_TO_MAP_VALUE:
+ return true;
+ default:
+ return false;
+ }
+}
+
static void print_reg_state(struct bpf_verifier_env *env, const struct bpf_reg_state *reg)
{
enum bpf_reg_type t;
@@ -584,16 +595,17 @@ static void print_reg_state(struct bpf_verifier_env *env, const struct bpf_reg_s
verbose_a("ref_obj_id=%d", reg->ref_obj_id);
if (type_is_non_owning_ref(reg->type))
verbose_a("%s", "non_own_ref");
+ if (type_is_map_ptr(t)) {
+ if (reg->map_ptr->name[0])
+ verbose_a("map=%s", reg->map_ptr->name);
+ verbose_a("ks=%d,vs=%d",
+ reg->map_ptr->key_size,
+ reg->map_ptr->value_size);
+ }
if (t != SCALAR_VALUE)
verbose_a("off=%d", reg->off);
if (type_is_pkt_pointer(t))
verbose_a("r=%d", reg->range);
- else if (base_type(t) == CONST_PTR_TO_MAP ||
- base_type(t) == PTR_TO_MAP_KEY ||
- base_type(t) == PTR_TO_MAP_VALUE)
- verbose_a("ks=%d,vs=%d",
- reg->map_ptr->key_size,
- reg->map_ptr->value_size);
if (tnum_is_const(reg->var_off)) {
/* Typically an immediate SCALAR_VALUE, but
* could be a pointer whose offset is too big