linux-kernel - [PATCH 0/2] sched/autogroup: use-after-free fixes

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Message-ID: <20161114184548.GA15954@redhat.com>
Date:   Mon, 14 Nov 2016 19:45:48 +0100
From:   Oleg Nesterov <oleg@...hat.com>
To:     Ingo Molnar <mingo@...nel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Mike Galbraith <efault@....de>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc:     hartsjc@...hat.com, vbendel@...hat.com, vlovejoy@...hat.com,
        linux-kernel@...r.kernel.org
Subject: [PATCH 0/2] sched/autogroup: use-after-free fixes

Two simple fixes for -stable.

Note that this logic was wrong from the very beginning and even if sysctl
doesn't change, see 2/2.

And I think it needs some cleanups in any case, but lets do later/separately.

Please review,

Oleg.

 include/linux/sched.h     |  2 ++
 kernel/exit.c             |  1 +
 kernel/sched/auto_group.c | 36 ++++++++++++++++++++++++++++--------
 3 files changed, 31 insertions(+), 8 deletions(-)