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Date: Tue, 23 Oct 2018 11:41:13 +0200
From: Yann Droneaud <ydroneaud@...eya.com>
To: oss-security@...ts.openwall.com
Subject: Re: GCC Compiler Induced Vulnerability - affects
programs compiled with GCC 7 and 8 containing nested functions
Hi,
Use -Werror=trampoline to prevent GCC from generating code that require
executable stack:
https://gcc.gnu.org/onlinedocs/gcc-8.2.0/gcc/Warning-Options.html#index-Wtrampolines
It's a recommanded warning from OWASP:
https://www.owasp.org/index.php/C-Based_Toolchain_Hardening#GCC.2FBinutils
--
Yann Droneaud
OPTEYA
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