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[Bug nptl/13690] pthread_mutex_unlock potentially cause invalid access
- From: "anemo at mba dot ocn.ne.jp" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: Fri, 17 Feb 2012 13:26:59 +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 #12 from Atsushi Nemoto <anemo at mba dot ocn.ne.jp> 2012-02-17 13:26:59 UTC ---
(In reply to comment #8)
> What kind of testing have you done with the patch?
>
> Do you have a small test case that can trigger the failure even sporadically?
>
> It would be nice to get a test case added that documents the class of failure
> we tried to fix.
Unfortunately I could not reproduce the problem and do not have any test case.
Actually, this problem was discovered by an code analysis from a report that
indicates futex_wake syscall was called with a wrong private flag.
So my patch is just a theoretical fix.
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