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[Bug dynamic-link/20019] NULL pointer dereference in libc.so.6 IFUNC due to uninitialized GOT
- From: "carlos at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sourceware dot org
- Date: Wed, 28 Sep 2016 13:09:26 +0000
- Subject: [Bug dynamic-link/20019] NULL pointer dereference in libc.so.6 IFUNC due to uninitialized GOT
- Auto-submitted: auto-generated
- References: <bug-20019-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=20019
--- Comment #12 from Carlos O'Donell <carlos at redhat dot com> ---
(In reply to H.J. Lu from comment #11)
> Created attachment 9530 [details]
> A patch to check unrelocated shared library with IFUNC definition
Patch is a good first step.
It begins to enforce sensible ordering rules for IFUNC's.
I've started a rawhide build with this change to see what it breaks if
anything.
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