From: Oleg Nesterov <oleg@redhat.com>
Date: Wed, 10 Dec 2014 23:54:59 +0000 (-0800)
Subject: exit: reparent: fix the dead-parent PR_SET_CHILD_SUBREAPER reparenting
X-Git-Tag: omap-for-v3.19/fixes-rc1~142^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a1296aea4a319b33c3367ff3805835e949a229f;p=pandora-kernel.git

exit: reparent: fix the dead-parent PR_SET_CHILD_SUBREAPER reparenting

The ->has_child_subreaper code in find_new_reaper() finds alive "thread"
but returns another "reaper" thread which can be dead.

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Aaron Tomlin <atomlin@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Kay Sievers <kay@vrfy.org>
Cc: Lennart Poettering <lennart@poettering.net>
Cc: Sterling Alexander <stalexan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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