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On 01/09/2014 03:58 PM, Magnus Granberg wrote: |
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> Hi |
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> |
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> Some time ago we discussed that we should enable stack smashing |
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> (-fstack-protector) by default. So we opened a bug to track this [1]. |
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> The affected Gcc version will be 4.8.2 and newer. Only amd64, x86, mips, ppc, |
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> ppc64 and arm will be affected by this change. |
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> |
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> You can turn off ssp by using the nossp USE flag or by adding |
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> -fno-stack-protector to the CFLAGS and/or CXXFLAGS. We are using the same |
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> patch as Debian/Ubuntu but with some Gentoo fixes. |
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|
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Please avoid "noblah" use flags. |
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|
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http://devmanual.gentoo.org/general-concepts/use-flags/ |
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ssp flag that defaults to on is fine. |
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|
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Thanks, |
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Zero |
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|
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> |
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> The patch will move the sed for the HARD_CFLAGS, ALLCFLAGS and |
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> ALLCXXFLAGS from do_gcc_PIE_patches() to make_gcc_hard(). We will |
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> make_gcc_hard() the default for all Gcc versions 4.8 and newer, and turn |
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> it on or off with hardened_gcc_works() that will make some sanity checks. |
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> |
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> /Magnus |
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> |
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|
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