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CVE Request -- kernel: futex: clear robust_list on execve
From: Petr Matousek <pmatouse () redhat com>
Date: Wed, 4 Jan 2012 23:10:59 +0100

Move "exit_robust_list" into mm_release() and clear them

We don't want to get rid of the futexes just at exit() time, we want to
drop them when doing an execve() too, since that gets rid of the
previous VM image too.

Doing it at mm_release() time means that we automatically always do it
when we disassociate a VM map from the task.

Upstream patches:


Petr Matousek / Red Hat Security Response Team

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