https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82302
--- Comment #13 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to krzysio.kurek from comment #12) > UBSAN errors regarding integer overflow is by design, and is a part of > libnoise. > I can't find any documentation or help on what invalid vptr errors are > though. Ok, please take a look here: https://gcc.gnu.org/onlinedocs/gcc-7.2.0/gcc/Instrumentation-Options.html If you are not sure, I can help with.