Concerning stack corruption: Everything is built with -Wp,-D_FORTIFY_SOURCE=2 -fstack-protector --param=ssp-buffer-size=4 so the most trivial cases would lead to immediate termination of the program.
Concerning stack corruption: Everything is built with FORTIFY_ SOURCE= 2 -fstack-protector --param= ssp-buffer- size=4
-Wp,-D_
so the most trivial cases would lead to immediate termination of the program.