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[Bug nptl/12416] Dynamic linker incorrectly reduces the stack size when making it executable
- From: "siddhesh at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Sat, 26 May 2012 04:31:54 +0000
- Subject: [Bug nptl/12416] Dynamic linker incorrectly reduces the stack size when making it executable
- Auto-submitted: auto-generated
- References: <bug-12416-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=12416
Siddhesh Poyarekar <siddhesh at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|REOPENED |RESOLVED
CC| |siddhesh at redhat dot com
Resolution| |FIXED
--- Comment #4 from Siddhesh Poyarekar <siddhesh at redhat dot com> 2012-05-26 04:31:54 UTC ---
Fixed by making pthread_getattr_np output consistent before and after an
execstack DSO is loaded. The split vma (or even a non-executable portion after
the first frame) does not really make any operational difference and we'd like
to keep as less of the stack as executable as we can get away with in the
interest of security paranoia.
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