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[Bug nptl/13690] pthread_mutex_unlock potentially cause invalid access
- From: "carlos at systemhalted dot org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Thu, 16 Feb 2012 15:26:24 +0000
- Subject: [Bug nptl/13690] pthread_mutex_unlock potentially cause invalid access
- Auto-submitted: auto-generated
- References: <bug-13690-131@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=13690
--- Comment #7 from Carlos O'Donell <carlos at systemhalted dot org> 2012-02-16 15:26:24 UTC ---
(In reply to comment #4)
> Analogous bugs are ENDEMIC in glibc/NPTL and so far there's been a complete
> unwillingless to fix them or even acknowledge that they exist. See
> http://sourceware.org/bugzilla/show_bug.cgi?id=12674
>
> Fixing the issue to ensure that a synchronization object's memory is not
> touched whatsoever after it's unlocked/posted is non-trivial, but once you
> figure out the solution, it's rather general-purpose. A while back I audited
> all my synchronization primitives in musl libc for similar bugs and fixed them,
> so it might be a useful source for ideas to fix glibc/NPTL.
I've assigned myself to BZ#12674 and I'll review the issue. Thank you for
bringing up the issue.
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