linux-kernel - ipc,sem: fix use after free on IPC

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Date:	Tue, 11 Aug 2015 14:19:14 -0300
From:	"Herton R. Krzesinski" <herton@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Davidlohr Bueso <dave@...olabs.net>,
	Manfred Spraul <manfred@...orfullife.com>,
	Rafael Aquini <aquini@...hat.com>,
	Joe Perches <joe@...ches.com>,
	Aristeu Rozanski <aris@...hat.com>, djeffery@...hat.com,
	herton@...hat.com
Subject: ipc,sem: fix use after free on IPC_RMID v2

This is a followup series for the patch sent previously, on thread:
"[PATCH] ipc,sem: fix use after free on IPC_RMID after a task using same semaphore set exits"

The IPC_RMID race fix is split into a single patch with Cc: to stable including
suggestions made previously.

The removal of uneeded ulp->lock usage is moved into a new patch.

Thanks,
Herton.
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