Issue #20520 has been reported by vo.x (Vit Ondruch). ---------------------------------------- Bug #20520: _FORTIFY_SOURCE=3 is not correctly respected https://bugs.ruby-lang.org/issues/20520 * Author: vo.x (Vit Ondruch) * Status: Open * ruby -v: ruby 3.3.1 (2024-04-23 revision c56cd86388) [aarch64-linux] * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN ---------------------------------------- In Fedora, we are using following compilation options: ~~~ + CFLAGS='-O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mbranch-protection=standard -fasynchronous-unwind-tables -fstack-clash-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer ' ~~~ Please note that as of recently, there is included `_FORTIFY_SOURCE=3`. The problem is, that Ruby doing its configuration check: ~~~ checking whether -O3 -D_FORTIFY_SOURCE=2 is accepted as CFLAGS... yes ~~~ Includes another variant of `_FORTIFY_SOURCE=2` into `XFLAGS`: ~~~ $ /usr/bin/make -O -j12 V=1 VERBOSE=1 'COPY=cp -p' -C redhat-linux-build make: Entering directory '/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/redhat-linux-build' BASERUBY = /builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/tool/missing-baseruby.bat CC = gcc LD = ld LDSHARED = gcc -shared CFLAGS = -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mbranch-protection=standard -fasynchronous-unwind-tables -fstack-clash-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fPIC XCFLAGS = -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-strong -mbranch-protection=standard -fno-strict-overflow -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT -I. -I.ext/include/aarch64-linux -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/include -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1 -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/prism -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/enc/unicode/15.0.0 CPPFLAGS = DLDFLAGS = -Wl,-z,relro -Wl,--as-needed -Wl,-z,now -specs=/usr/lib/rpm/redhat/redhat-hardened-ld -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -Wl,--build-id=sha1 -Wl,-soname,libruby.so.3.3 -fstack-protector-strong SOLIBS = -lz -lrt -lrt -lgmp -ldl -lcrypt -lm -lpthread LANG = C.UTF-8 LC_ALL = LC_CTYPE = MFLAGS = -j12 -Otarget --jobserver-auth=fifo:/tmp/GMfifo10279 --sync-mutex=fnm:/tmp/GmbGoenG RUSTC = rustc YJIT_RUSTC_ARGS = --crate-name=yjit --crate-type=staticlib --edition=2021 -g -C lto=thin -C opt-level=3 -C overflow-checks=on '--out-dir=/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/redhat-linux-build/yjit/target/release/' /builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/yjit/src/lib.rs gcc (GCC) 14.1.1 20240522 (Red Hat 14.1.1-4) Copyright (C) 2024 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. make: Leaving directory '/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/redhat-linux-build' make: Entering directory '/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/redhat-linux-build' gcc -O2 -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -mbranch-protection=standard -fasynchronous-unwind-tables -fstack-clash-protection -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer -fPIC -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fstack-protector-strong -mbranch-protection=standard -fno-strict-overflow -fvisibility=hidden -fexcess-precision=standard -DRUBY_EXPORT -I. -I.ext/include/aarch64-linux -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/include -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1 -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/prism -I/builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/enc/unicode/15.0.0 -o dmyext.o -c /builddir/build/BUILD/ruby-3.3.1-build/ruby-3.3.1/dmyext.c ... snip ... ~~~ -- https://bugs.ruby-lang.org/