linux-kernel - Re: ipc-msg broken again on 3.11-rc7?

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Message-ID: <CA+55aFy8tbBpac57fU4CN3jMDz46kCKT7+7GCpb18CscXuOnGA@mail.gmail.com>
Date:	Sat, 31 Aug 2013 10:50:53 -0700
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Davidlohr Bueso <dave.bueso@...il.com>
Cc:	Vineet Gupta <Vineet.Gupta1@...opsys.com>,
	Sedat Dilek <sedat.dilek@...il.com>,
	Davidlohr Bueso <davidlohr.bueso@...com>,
	linux-next <linux-next@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-mm <linux-mm@...ck.org>, Andi Kleen <andi@...stfloor.org>,
	Rik van Riel <riel@...hat.com>,
	Manfred Spraul <manfred@...orfullife.com>,
	Jonathan Gonzalez <jgonzalez@...ets.cl>
Subject: Re: ipc-msg broken again on 3.11-rc7?

Vineet, actual patch for what Davidlohr suggests attached. Can you try it?

             Linus

On Fri, Aug 30, 2013 at 9:31 AM, Davidlohr Bueso <dave.bueso@...il.com> wrote:
>
> After a quick glance, I suspect that the problem might be because we
> are calling security_msg_queue_msgsnd() without taking the lock. This
> is similar to the issue Sedat reported in the original thread with
> find_msg() concerning msgrcv.

Download attachment "patch.diff" of type "application/octet-stream" (782 bytes)