linux-kernel - Re: how to determine if the noexec stack is defined by an application

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Message-ID: <4685B00E.3030700@andrei.myip.org>
Date:	Fri, 29 Jun 2007 18:21:18 -0700
From:	Florin Andrei <florin@...rei.myip.org>
To:	linux-kernel@...r.kernel.org
Subject: Re: how to determine if the noexec stack is defined by an application

Arjan van de Ven wrote:
>> But it's running a Web service which is a combination of C code and 
>> Tomcat/Java. I have no clue how to determine which portions specify a 
>> noexec stack and which don't.
> 
> like this:
> 
> $ eu-readelf -l /bin/true  | grep STACK
>   GNU_STACK      0x000000 0x00000000 0x00000000 0x000000 0x000000 RW 0x4

Is Sun Java 1.5 a known exception - as an application that doesn't set a 
noexec stack and reverts to default?

# eu-readelf -l ./java | grep STACK | wc -l
0

But then, this bug report seems to indicate otherwise, if I'm reading it 
correctly:

http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=5051381

-- 
Florin Andrei

http://florin.myip.org/
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