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[Bug runtime/13210] vdso runtime tracking is broken


http://sourceware.org/bugzilla/show_bug.cgi?id=13210

--- Comment #1 from Mark Wielaard <mjw at redhat dot com> 2011-09-21 10:47:31 UTC ---
Added a testcase for this that uses umodname(uaddr()) to check whether the vma
tracker at least got the name (of either the vdso or another vma that initiated
the syscall).

commit d0d7bd5fd8ebe136c7afca43e157f04c1abed243
Author: Mark Wielaard <mjw@redhat.com>
Date:   Wed Sep 21 12:38:24 2011 +0200

    PR13210 vma/vdso tracking is broken testcase

    Add a generic testcase to see if we can track the vma from which a syscall
    was made. This might or might not come in through the vdso on the
particular
    (compat) arch, but should always at least be able to get the vma name.
    Currently it fails some of the tests in different ways for different arches
    and/or kernel versions.

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