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Path: ...!weretis.net!feeder9.news.weretis.net!news.nk.ca!rocksolid2!i2pn2.org!.POSTED!not-for-mail From: hquest@hquest.pro.br (HQuest) Newsgroups: comp.mail.sendmail Subject: sendmail and gcc -fhardened Date: Thu, 30 May 2024 13:05:28 +0000 Organization: novaBBS Message-ID: <8235124fa18835e24cd672584acd4405@www.novabbs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Info: i2pn2.org; logging-data="2668797"; mail-complaints-to="usenet@i2pn2.org"; posting-account="2XJ8hjIEUuziWBqN+XBS7yv7yfwqQ5GdIjLva+fAx2c"; User-Agent: Rocksolid Light X-Spam-Checker-Version: SpamAssassin 4.0.0 X-Rslight-Posting-User: 3d3517e5dd24387fdf8da64199401ea731577ab2 X-Rslight-Site: $2y$10$44oy12FPVnAfrDqzL/zE7OTc0dhnIFh.n6yR2jLuP8iNwelzkFmS6 Bytes: 1635 Lines: 14 With the release of GCC 14.1 earlier this month[1], they introduced a few new security related options, most notably -fhardened[2], which according to the documentation[3], "(e)nable a set of flags for C and C++ that improve the security of the generated code without affecting its ABI (...) intended to be used in production builds (...) supported on GNU/Linux targets." While I would think its use should cause no side effects, has anyone built and run sendmail compiled with such flags? If so, any noticeable difference/errors/warnings/changes to any behavior? [1] https://gcc.gnu.org/gcc-14/ [2] https://www.phoronix.com/news/GCC-fhardened-Hardening-Option [3] https://gcc.gnu.org/onlinedocs/gcc-14.1.0/gcc/Instrumentation-Options.html#index-fhardened