Re: [PATCH vkd3d] vkd3d/shader: Print more info about skipped dxbc chunks.

[Henri Verbeet]

On Wed, 27 Nov 2019 at 18:48, Conor McCarthy  wrote:
> +#define TAG_ICFE MAKE_TAG('I', 'C', 'F', 'E')
> +#define TAG_RDEF MAKE_TAG('R', 'D', 'E', 'F')
> +#define TAG_SFI0 MAKE_TAG('S', 'F', 'I', '0')
> +#define TAG_SPDB MAKE_TAG('S', 'P', 'D', 'B')
> +#define TAG_STAT MAKE_TAG('S', 'T', 'A', 'T')

Where do these come from? Should that be "IFCE"?
>      default:
> -
>        TRACE("Skipping chunk %#x.\n", tag);
> -
>        memcpy(tag_chars, &tag, sizeof(tag));
> -
>        tag_chars[sizeof(tag)] = 0;
> -
>        TRACE("Skipping chunk %s.\n", tag_chars);
>        break;

That's not safe, "tag" can contain arbitrary data.