From: David Miller <davem@davemloft.net>
To: schwab@linux-m68k.org
Cc: linuxppc-dev@ozlabs.org
Subject: Re: ppc32: Don't clobber personality flags on exec
Date: Thu, 16 Apr 2009 16:17:06 -0700 (PDT) [thread overview]
Message-ID: <20090416.161706.69866211.davem@davemloft.net> (raw)
In-Reply-To: <m27i1k8t7a.fsf@igel.home>
From: Andreas Schwab <schwab@linux-m68k.org>
Date: Thu, 16 Apr 2009 18:22:01 +0200
> Now that ppc32 implements address randomization it also wants to inherit
> personality flags like ADDR_NO_RANDOMIZE across exec, for things like
> `setarch ppc -R' to work. But the ppc32 version of SET_PERSONALITY
> forcefully sets PER_LINUX, clearing all personality flags. So be
> careful about preserving the flags.
>
> Signed-off-by: Andreas Schwab <schwab@linux-m68k.org>
Grumble, sparc has the same bugs... thanks for finding this.
prev parent reply other threads:[~2009-04-16 23:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-16 16:22 ppc32: Don't clobber personality flags on exec Andreas Schwab
2009-04-16 23:17 ` David Miller [this message]
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