https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65662
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #1) > There are dups for this already. > The issue is that aarch64-linux has 3 very much different virtual address > space sizes and stock libsanitizer supports only the smallest one. I have a > patch for supporting the middle-one, see e.g. > http://pkgs.fedoraproject.org/cgit/gcc.git/tree/gcc5-libsanitize-aarch64- > va42.patch > but supporting all 3 virtual address space sizes requires more changes > upstream, because the smallest virtual address space size is really too > small for anything usable. The largest one is required to be supported for Cavium's ThunderX in a dual socket case. Can we declare address santizer broken for GCC 5 for AARCH64 due to this? I think MIPS has a similar issue too when different page sizes are used but nobody upstream has reported it yet.