On Wed, May 17, 2023 at 12:08 PM Fangrui Song <maskray@xxxxxxxxxx> wrote: > > On Wed, May 17, 2023 at 12:02 PM Kees Cook <keescook@xxxxxxxxxxxx> wrote: > > > > On Fri, 7 Apr 2023 14:54:06 -0700, Nick Desaulniers wrote: > > > -fsanitize-undefined-trap-on-error has been supported since GCC 5.1 and > > > Clang 3.2. The minimum supported version of these according to > > > Documentation/process/changes.rst is 5.1 and 11.0.0 respectively. Drop > > > this cc-option check. > > > > > > > > > > Applied to for-next/hardening, thanks! > > > > [1/1] ubsan: remove cc-option test for UBSAN_TRAP > > https://git.kernel.org/kees/c/08e4044243a6 > > > > -- > > Kees Cook > > > > > > For this -fsanitize-undefined-trap-on-error, I think we need a v2 patch that > tries -fsanitize-trap=all as well. Correction: -fsanitize-trap=undefined > -fsanitize-undefined-trap-on-error has been deprecated in Clang for 8 > years, and at some point we will remove the option. > > GCC implements -fsanitize-trap=all later, but > -fsanitize-undefined-trap-on-error is documented as deprecated as > well.
