commit: b37b9b3a61f788973ae156a1fcddd0d108879a7b Author: Sam James <sam <AT> gentoo <DOT> org> AuthorDate: Mon Mar 13 21:49:45 2023 +0000 Commit: Sam James <sam <AT> gentoo <DOT> org> CommitDate: Mon Mar 13 21:50:51 2023 +0000 URL: https://gitweb.gentoo.org/proj/gcc-patches.git/commit/?id=b37b9b3a
13.1.0: don't set _FORTIFY_SOURCE if -fsanitize=address (ASAN) is enabled This can cause either false positives in warnings from the compiler or false negatives where the sanitizer misses something. Bug: https://github.com/google/sanitizers/issues/247 Signed-off-by: Sam James <sam <AT> gentoo.org> 13.1.0/gentoo/01_all_default-fortify-source.patch | 4 ++-- 13.1.0/gentoo/README.history | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/13.1.0/gentoo/01_all_default-fortify-source.patch b/13.1.0/gentoo/01_all_default-fortify-source.patch index 79d6639..4cdf5f6 100644 --- a/13.1.0/gentoo/01_all_default-fortify-source.patch +++ b/13.1.0/gentoo/01_all_default-fortify-source.patch @@ -16,8 +16,8 @@ initially Gentoo used too complicated macro. + #define GENTOO_FORTIFY_SOURCE_LEVEL 2 + #endif + -+ /* Fortify Source enabled by default for optimization levels > 0 */ -+ if (optimize) ++ /* F_S enabled by default for optimization levels > 0, except for ASAN: https://github.com/google/sanitizers/issues/247 */ ++ if (optimize && ! (flag_sanitize & SANITIZE_ADDRESS)) + builtin_define_with_int_value ("_FORTIFY_SOURCE", GENTOO_FORTIFY_SOURCE_LEVEL); +#endif + diff --git a/13.1.0/gentoo/README.history b/13.1.0/gentoo/README.history index f0ee005..efcdcf7 100644 --- a/13.1.0/gentoo/README.history +++ b/13.1.0/gentoo/README.history @@ -1,3 +1,6 @@ +9 13 Mar 2023 + U 01_all_default-fortify-source.patch + 8 12 Feb 2023 - 76_all_all_PR107461_cxx_equivalence_non_dependent_calls.patch