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Re: [PATCH v2] libio: use PTR_MANGLE/PTR_DEMANGLE for FILE vtables


On Thu, Oct 1, 2015 at 2:00 PM, Joseph Myers <joseph@codesourcery.com> wrote:
> On Thu, 1 Oct 2015, Florian Weimer wrote:
>
>> Even better, if we can grab a few old binaries and they do not run on
>> current systems for other libstdc++-related reasons (or perhaps we
>
> The libstdc++ SONAME changed in GCC 3.4, so any relevant binaries will be
> using an old libstdc++ shared library (or possibly statically linked with
> libstdc++ but dynamically linked with libc).

So system without ancient static binaries and no libstdc++-v3 or
earlier should be safe for this change? When did v4 happen? Seems like
a long time ago?

-Kees

-- 
Kees Cook
Chrome OS Security


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