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Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable

From: Siddhesh Poyarekar <siddhesh at redhat dot com>
To: KOSAKI Motohiro <kosaki dot motohiro at gmail dot com>
Cc: Roland McGrath <roland at hack dot frob dot com>, libc-alpha at sourceware dot org
Date: Wed, 13 Jun 2012 07:38:06 +0530
Subject: Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable
References: <20120419120021.4780e8c8@spoyarek><20120425203424.A744A2C0CA@topped-with-meat.com><20120426123653.765f1462@spoyarek><20120504231020.AF7C92C093@topped-with-meat.com><20120507084337.6d1ea127@spoyarek><20120507200221.963992C099@topped-with-meat.com><20120508161750.063e9791@spoyarek><20120514234622.30D472C09E@topped-with-meat.com><20120515081610.1b4aee17@spoyarek><20120515163033.CD04B2C08B@topped-with-meat.com><20120516123338.55cd9a34@spoyarek><CAHGf_=p3QUrym2+LBSsB+n0faog=kSK1bTu-AAnCCGYxbDEUkw@mail.gmail.com><20120612030815.5ce0d91f@spoyarek><CAHGf_=pgJ9wL5x=Xb6unVScv86JS=8S=tU7oufAygGkm3U4ZQQ@mail.gmail.com><20120612202506.0ac2af9e@spoyarek><4FD77A6A.6000900@gmail.com>

On Tue, 12 Jun 2012 13:20:42 -0400, KOSAKI wrote:
> btw, I think non main thread stack size also violate same sentence in
> posix. because of, nptl pthread_setstacksize() set "stack size +
> guard-page size", but posix require pthread_attr_getstack() should
> return only read/write pages.
> 

Yes, Carlos is working on a fix for this:

http://sourceware.org/bugzilla/show_bug.cgi?id=11787

--
Siddhesh

Follow-Ups:
- Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable
  - From: Carlos O'Donell

References:
- Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable
  - From: KOSAKI Motohiro
- Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable
  - From: Siddhesh Poyarekar
- Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable
  - From: KOSAKI Motohiro
- Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable
  - From: Siddhesh Poyarekar
- Re: [PATCH 2/2][BZ #12416] Use stack boundaries from /proc/PID/mapsto make stack executable
  - From: KOSAKI Motohiro

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