From: Ingo Molnar <mingo@elte.hu>
To: Gabor MICSKO <gmicsko@szintezis.hu>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [test] exec-shield vs. paxtest 0.9.5 horrible results
Date: Mon, 22 Dec 2003 12:25:58 +0100 [thread overview]
Message-ID: <20031222112558.GA10337@elte.hu> (raw)
In-Reply-To: <1072090466.1471.4.camel@gmicsko03>
* Gabor MICSKO <gmicsko@szintezis.hu> wrote:
> Any idea?
yes. Undo the patch below. The paxtest author decided to add this
pointless mprotect(stackptr, PROT_EXEC) to make sure the test lists
exec-shield as 'vulnerable' while listing PaX as non-vulnerable. I sent
the fix but (not surprisingly) it was not added. Marketing via testsuite
eh?
Ingo
--- paxtest-0.9.4/body.c
+++ paxtest-0.9.5/body.c
@@ -29,6 +29,7 @@
fflush( stdout );
if( fork() == 0 ) {
+ do_mprotect((unsigned long)argv & ~4095U, 4096, PROT_READ|PROT_WRITE|PROT_EXEC);
doit();
} else {
wait( &status );
prev parent reply other threads:[~2003-12-22 11:25 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-12-22 10:54 [test] exec-shield vs. paxtest 0.9.5 horrible results Gabor MICSKO
2003-12-22 11:09 ` Arjan van de Ven
2003-12-22 11:25 ` Ingo Molnar [this message]
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