BPF_LOCAL_STORAGE_MAX_VALUE_SIZE
if (attr->value_size > BPF_LOCAL_STORAGE_MAX_VALUE_SIZE)
__u32 max_value_size = BPF_LOCAL_STORAGE_MAX_VALUE_SIZE;
BUILD_BUG_ON(U16_MAX - NLA_HDRLEN < BPF_LOCAL_STORAGE_MAX_VALUE_SIZE);
__u8 data[BPF_LOCAL_STORAGE_MAX_VALUE_SIZE];