diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/bpf/btf.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c index da36d4b9d31a..df5f0d059ad1 100644 --- a/kernel/bpf/btf.c +++ b/kernel/bpf/btf.c @@ -2911,7 +2911,14 @@ static void btf_modifier_show(const struct btf *btf, else t = btf_type_skip_modifiers(btf, type_id, NULL); - btf_type_ops(t)->show(btf, t, type_id, data, bits_offset, show); + /* + * A modifier can resolve to void, which has no show op; print a + * placeholder rather than dereferencing NULL. + */ + if (!btf_type_ops(t)) + btf_df_show(btf, t, type_id, data, bits_offset, show); + else + btf_type_ops(t)->show(btf, t, type_id, data, bits_offset, show); } static void btf_var_show(const struct btf *btf, const struct btf_type *t, |