[PATCH] no-execute -- please test

[Andreas Schwab]

Paul Mackerras <paulus at samba.org> writes:

> Albert Cahalan writes:
>
>> If you want heap protection, change VM_DATA_DEFAULT_FLAGS32
>> in include/asm-powerpc/page.h to be like VM_STACK_DEFAULT_FLAGS.
>> I'd love to hear if anybody can get X to start with this change.
>
> In general I would expect dynamically-linked programs to fail unless
> you compile everything with gcc -msecure-plt.

X (before X.org 7) does it's own module loading that cannot cope with a
non-executable heap.  X.org 7, on the other hand, uses dlopen now and
should work fine.

Andreas.

-- 
Andreas Schwab, SuSE Labs, schwab at suse.de
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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