Bug#543451: needlessly executable stack

[Kees Cook]

Package: john
Version: 1.7.2-3
Severity: normal
Tags: patch
User: ubuntu-devel at lists.ubuntu.com
Usertags: origin-ubuntu karmic ubuntu-patch

Hello!

It seems that john is built (in some situation) against assembly code that
lack stack markings[1].  This results in the entire program being built
with an executable stack.

The attached patch solve this by adding a default ASFLAGS option to turn
off executable stacks when assembling.

Thanks!

-Kees

[1] https://wiki.ubuntu.com/SecurityTeam/Roadmap/ExecutableStacks

-- 
Kees Cook                                            @debian.org
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