From: Motohiro Kosaki <Motohiro.Kosaki@us.fujitsu.com>
To: Davidlohr Bueso <davidlohr@hp.com>,
Manfred Spraul <manfred@colorfullife.com>
Cc: Davidlohr Bueso <davidlohr.bueso@hp.com>,
Michael Kerrisk <mtk.manpages@gmail.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
LKML <linux-kernel@vger.kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
Motohiro Kosaki JP <kosaki.motohiro@jp.fujitsu.com>,
"gthelen@google.com" <gthelen@google.com>,
"aswin@hp.com" <aswin@hp.com>,
"linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: RE: [PATCH 3/4] ipc/shm.c: check for integer overflow during shmget.
Date: Tue, 22 Apr 2014 13:16:38 -0700 [thread overview]
Message-ID: <6B2BA408B38BA1478B473C31C3D2074E30989E9D81@SV-EXCHANGE1.Corp.FC.LOCAL> (raw)
In-Reply-To: <1398190745.2473.10.camel@buesod1.americas.hpqcorp.net>
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> > SHMMAX is the upper limit for the size of a shared memory segment,
> > counted in bytes. The actual allocation is that size, rounded up to
> > the next full page.
> > Add a check that prevents the creation of segments where the rounded
> > up size causes an integer overflow.
> >
> > Signed-off-by: Manfred Spraul <manfred@colorfullife.com>
>
> Acked-by: Davidlohr Bueso <davidlohr@hp.com>
Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
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next prev parent reply other threads:[~2014-04-22 21:08 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-21 14:26 [PATCH 0/4] ipc/shm.c: increase the limits for SHMMAX, SHMALL Manfred Spraul
2014-04-21 14:26 ` [PATCH 1/4] ipc/shm.c: check for ulong overflows in shmat Manfred Spraul
2014-04-21 14:26 ` [PATCH 2/4] ipc/shm.c: check for overflows of shm_tot Manfred Spraul
2014-04-21 14:26 ` [PATCH 3/4] ipc/shm.c: check for integer overflow during shmget Manfred Spraul
2014-04-21 14:26 ` [PATCH 4/4] ipc/shm.c: Increase the defaults for SHMALL, SHMMAX Manfred Spraul
2014-04-22 18:21 ` Davidlohr Bueso
2014-04-22 18:28 ` Davidlohr Bueso
2014-04-22 20:17 ` Motohiro Kosaki
2014-04-23 5:01 ` Michael Kerrisk (man-pages)
2014-04-22 18:19 ` [PATCH 3/4] ipc/shm.c: check for integer overflow during shmget Davidlohr Bueso
2014-04-22 20:16 ` Motohiro Kosaki [this message]
2014-04-23 4:59 ` Michael Kerrisk (man-pages)
2014-04-22 18:18 ` [PATCH 2/4] ipc/shm.c: check for overflows of shm_tot Davidlohr Bueso
2014-04-22 20:16 ` Motohiro Kosaki
2014-04-23 4:58 ` Michael Kerrisk (man-pages)
2014-04-22 18:18 ` [PATCH 1/4] ipc/shm.c: check for ulong overflows in shmat Davidlohr Bueso
2014-04-22 20:15 ` Motohiro Kosaki
2014-04-23 4:58 ` Michael Kerrisk (man-pages)
2014-04-21 17:25 ` [PATCH 0/4] ipc/shm.c: increase the limits for SHMMAX, SHMALL Davidlohr Bueso
2014-04-22 4:23 ` Manfred Spraul
2014-04-22 18:18 ` Davidlohr Bueso
2014-04-23 2:53 ` [PATCH 5/4] ipc,shm: minor cleanups Davidlohr Bueso
2014-04-23 5:07 ` Michael Kerrisk (man-pages)
2014-04-23 5:25 ` Davidlohr Bueso
2014-04-23 5:28 ` Michael Kerrisk (man-pages)
2014-04-23 22:27 ` Andrew Morton
2014-04-23 22:35 ` Stephen Rothwell
2014-04-24 5:18 ` Michael Kerrisk (man-pages)
2014-04-24 17:21 ` Davidlohr Bueso
2014-04-23 18:18 ` Manfred Spraul
2014-05-02 13:16 ` [PATCH 0/4] ipc/shm.c: increase the limits for SHMMAX, SHMALL Michael Kerrisk (man-pages)
2014-05-06 20:06 ` Davidlohr Bueso
2014-05-06 20:40 ` Michael Kerrisk (man-pages)
2014-05-06 22:08 ` Davidlohr Bueso
2014-05-07 5:27 ` Michael Kerrisk (man-pages)
2014-05-07 18:22 ` Davidlohr Bueso
2014-05-07 19:17 ` [PATCH v2] ipc,shm: document new limits in the uapi header Davidlohr Bueso
2014-05-09 8:44 ` Michael Kerrisk (man-pages)
2014-05-11 20:46 ` Davidlohr Bueso
2014-05-12 7:44 ` Michael Kerrisk (man-pages)
2014-05-13 1:35 ` Davidlohr Bueso
2014-05-13 6:06 ` Michael Kerrisk (man-pages)
2014-05-06 20:43 ` [PATCH 0/4] ipc/shm.c: increase the limits for SHMMAX, SHMALL Davidlohr Bueso
2014-06-03 19:26 ` Davidlohr Bueso
2014-09-23 5:24 ` Michael Kerrisk (man-pages)
2014-09-24 8:02 ` Davidlohr Bueso
-- strict thread matches above, loose matches on Subject: below --
2014-04-19 11:43 Manfred Spraul
2014-04-19 11:43 ` [PATCH 1/4] ipc/shm.c: check for ulong overflows in shmat Manfred Spraul
2014-04-19 11:43 ` [PATCH 2/4] ipc/shm.c: check for overflows of shm_tot Manfred Spraul
2014-04-19 11:43 ` [PATCH 3/4] ipc/shm.c: check for integer overflow during shmget Manfred Spraul
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