Label: four role cards. Not a scan, not checksec, not readelf, and not a debugger session.
No binary was built. No host setting was read or changed.

Card A
Mark: the stack's model address differs across two ordinary runs of the same program.
Match it to the layout policy named in the reading.

Card B
Mark: a guard value is checked when the function is about to return.
If the check fails, the compiler's basic option is documented to print an error and exit.
That still does not make the original write correct.

Card C
Mark: the executable was built so it can be loaded at more than one address.
That is a build property. It is not, by itself, the kernel's choice to vary the layout on each run.

Card D
Mark: instructions will not run from this page. The card does not say the page is immune to writes.

Leftover bug, separate from the four marks:
pad has 8 positions. Write Q asks for 9 bytes. The write does not fit.
None of the four marks makes Write Q correct.