Date: Sat, 18 May 2024 06:35:11 +0000 From: Paul Floyd <paulf2718@gmail.com> To: freebsd-hackers@freebsd.org Subject: Re: Initial implementation of _FORTIFY_SOURCE Message-ID: <e48d6518-5d73-44c5-9d12-8ec2656e0380@gmail.com> In-Reply-To: <f8000e6b-226b-45f3-a751-aca790f4f8c8@FreeBSD.org> References: <f8000e6b-226b-45f3-a751-aca790f4f8c8@FreeBSD.org>
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On 13-05-24 17:47, Kyle Evans wrote:
> Hi,
>
> As of 9bfd3b407 ("Add a build knob for _FORTIFY_SOURCE"), I've imported
> an initial version of FORTIFY_SOURCE from FreeBSD. FORTIFY_SOURCE is an
> improvement over classical SSP, doing compiler-aided checking of stack
> object sizes to detect more fine-grained stack overflow without relying
> on the randomized stack canary just past the stack frame.
Hi
I'll try to have a go this weekend.
Are is there any known impact on debuggability? Specifically for tools
that need to do stack waliking.
A+
Paul
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