From: Herbert Xu <herbert@gondor.apana.org.au>
To: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Patrick McHardy <kaber@trash.net>, Ingo Molnar <mingo@elte.hu>,
David Miller <davem@davemloft.net>,
w@1wt.eu, davidn@davidnewall.com, torvalds@linux-foundation.org,
akpm@linux-foundation.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, stefanr@s5r6.in-berlin.de,
rjw@sisk.pl, ilpo.jarvinen@helsinki.fi,
Dave Jones <davej@redhat.com>, Matt Mackall <mpm@selenic.com>,
Christoph Lameter <cl@linux-foundation.org>
Subject: Re: [regression] nf_iterate(), BUG: unable to handle kernel NULL pointer dereference
Date: Thu, 24 Jul 2008 20:50:04 +0800 [thread overview]
Message-ID: <20080724125004.GA7426@gondor.apana.org.au> (raw)
In-Reply-To: <84144f020807240540vbe7ef50uee2cacabe8016546@mail.gmail.com>
On Thu, Jul 24, 2008 at 03:40:40PM +0300, Pekka Enberg wrote:
>
> Using ksize() for skbs will crash your kernel for some configurations
> because calling that function for memory allocated with
> kmem_cache_alloc() is not supported by all the allocators (well,
> SLOB).
So how about fixing the interface so that it can return an error
to indicate that the allocator doesn't support it? You're taking
away an entire interface just because an underlying implementation
that's used by a very small proportion of users doesn't do the
right thing.
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2008-07-24 12:51 UTC|newest]
Thread overview: 255+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-20 17:44 [GIT]: Networking David Miller
2008-07-20 17:59 ` Arjan van de Ven
2008-07-20 23:52 ` David Miller
2008-07-21 20:32 ` David Miller
2008-07-21 0:54 ` Linus Torvalds
2008-07-21 1:03 ` David Miller
2008-07-21 1:09 ` Alexey Dobriyan
2008-07-21 1:14 ` David Miller
2008-07-21 1:22 ` Alexey Dobriyan
2008-07-21 2:40 ` Alexey Dobriyan
2008-07-21 2:48 ` David Miller
2008-07-21 5:11 ` David Miller
2008-07-21 9:48 ` Alexander Beregalov
2008-07-21 10:16 ` Ben Hutchings
2008-07-21 15:35 ` David Miller
2008-07-21 16:04 ` Alexander Beregalov
2008-07-21 11:57 ` Alexey Dobriyan
2008-07-21 15:27 ` David Miller
2008-07-21 16:49 ` Linus Torvalds
2008-07-21 16:53 ` David Miller
2008-07-21 1:20 ` Patrick McHardy
2008-07-21 11:28 ` Stefan Richter
2008-07-21 11:45 ` James Morris
2008-07-21 12:05 ` Patrick McHardy
2008-07-21 17:28 ` David Miller
2008-07-21 17:40 ` Linus Torvalds
2008-07-21 20:33 ` Patrick McHardy
2008-07-23 23:42 ` David Miller
2008-07-21 1:07 ` Linus Torvalds
2008-07-21 1:17 ` David Miller
2008-07-21 1:17 ` David Miller
2008-07-21 8:36 ` iwlwifi: fix build bug in "iwlwifi: fix LED stall" Ingo Molnar
2008-07-21 10:02 ` Winkler, Tomas
2008-07-21 10:53 ` Ingo Molnar
2008-07-21 12:12 ` [PATCH] iwlwifi: RS small compile warnings without CONFIG_IWLWIFI_DEBUG Tomas Winkler
2008-07-21 12:12 ` [PATCH] iwlwifi: " Tomas Winkler
2008-07-21 12:12 ` [PATCH] iwlwifi: compilation error when CONFIG_IWLWIFI_DEBUG is not set Tomas Winkler
2008-07-21 13:30 ` [crash, bisected] Kernel BUG at ffffffff8079afb1 (__netif_schedule()) Ingo Molnar
2008-07-21 13:45 ` [crash] BUG: unable to handle kernel NULL pointer dereference at 0000000000000370 Ingo Molnar
2008-07-21 14:30 ` Ingo Molnar
2008-07-21 15:04 ` Ingo Molnar
2008-07-21 15:24 ` David Miller
2008-07-21 18:18 ` Ian Schram
2008-07-21 19:06 ` Ingo Molnar
2008-07-21 19:13 ` Larry Finger
2008-07-21 19:13 ` Larry Finger
2008-07-21 19:34 ` Ingo Molnar
2008-07-21 19:34 ` Ingo Molnar
2008-07-21 19:43 ` Larry Finger
2008-07-21 19:43 ` Larry Finger
2008-07-21 19:47 ` Linus Torvalds
2008-07-21 19:47 ` Linus Torvalds
2008-07-21 20:15 ` David Miller
2008-07-21 20:28 ` Larry Finger
2008-07-21 20:28 ` Larry Finger
2008-07-21 20:21 ` David Miller
2008-07-21 20:21 ` David Miller
2008-07-21 20:38 ` Larry Finger
2008-07-21 20:38 ` Larry Finger
2008-07-21 20:46 ` David Miller
2008-07-21 20:51 ` Patrick McHardy
2008-07-21 21:01 ` David Miller
2008-07-21 21:06 ` Patrick McHardy
2008-07-21 21:35 ` Patrick McHardy
2008-07-21 21:35 ` Patrick McHardy
2008-07-21 21:42 ` Patrick McHardy
2008-07-21 21:42 ` Patrick McHardy
2008-07-21 21:51 ` Larry Finger
2008-07-21 21:51 ` Larry Finger
2008-07-21 22:04 ` Patrick McHardy
2008-07-21 22:04 ` Patrick McHardy
2008-07-21 22:40 ` Larry Finger
2008-07-21 22:40 ` Larry Finger
2008-07-21 23:15 ` David Miller
2008-07-21 23:15 ` David Miller
2008-07-22 6:34 ` Larry Finger
2008-07-22 10:51 ` Jarek Poplawski
2008-07-22 10:51 ` Jarek Poplawski
2008-07-22 11:32 ` David Miller
2008-07-22 12:52 ` Larry Finger
2008-07-22 20:43 ` David Miller
2008-07-22 13:02 ` Larry Finger
2008-07-22 14:53 ` Patrick McHardy
2008-07-22 14:53 ` Patrick McHardy
2008-07-22 21:17 ` David Miller
2008-07-22 21:17 ` David Miller
2008-07-22 16:39 ` Kernel WARNING: at net/core/dev.c:1330 __netif_schedule+0x2c/0x98() Larry Finger
2008-07-22 16:39 ` Larry Finger
2008-07-22 17:20 ` Patrick McHardy
2008-07-22 17:20 ` Patrick McHardy
2008-07-22 18:39 ` Larry Finger
2008-07-22 18:44 ` Patrick McHardy
2008-07-22 19:30 ` Larry Finger
2008-07-22 19:30 ` Larry Finger
2008-07-22 23:04 ` David Miller
2008-07-23 6:20 ` Jarek Poplawski
2008-07-23 7:59 ` David Miller
2008-07-23 8:54 ` Jarek Poplawski
2008-07-23 8:54 ` Jarek Poplawski
2008-07-23 9:03 ` Peter Zijlstra
2008-07-23 9:03 ` Peter Zijlstra
2008-07-23 9:35 ` Jarek Poplawski
2008-07-23 9:35 ` Jarek Poplawski
2008-07-23 9:50 ` Peter Zijlstra
2008-07-23 9:50 ` Peter Zijlstra
2008-07-23 10:13 ` Jarek Poplawski
2008-07-23 10:13 ` Jarek Poplawski
2008-07-23 10:58 ` Peter Zijlstra
2008-07-23 11:35 ` Jarek Poplawski
2008-07-23 11:35 ` Jarek Poplawski
2008-07-23 11:49 ` Jarek Poplawski
2008-07-23 11:49 ` Jarek Poplawski
2008-07-23 20:16 ` David Miller
2008-07-23 20:43 ` Jarek Poplawski
2008-07-23 20:55 ` David Miller
2008-07-23 20:55 ` David Miller
2008-07-24 9:10 ` Peter Zijlstra
2008-07-24 9:10 ` Peter Zijlstra
2008-07-24 9:20 ` David Miller
2008-07-24 9:20 ` David Miller
2008-07-24 9:27 ` Peter Zijlstra
2008-07-24 9:27 ` Peter Zijlstra
2008-07-24 9:32 ` David Miller
2008-07-24 10:08 ` Peter Zijlstra
2008-07-24 10:08 ` Peter Zijlstra
2008-07-24 10:38 ` Nick Piggin
2008-07-24 10:55 ` Miklos Szeredi
2008-07-24 10:55 ` Miklos Szeredi
2008-07-24 11:06 ` Nick Piggin
2008-07-24 11:06 ` Nick Piggin
2008-08-01 21:10 ` Paul E. McKenney
2008-08-01 21:10 ` Paul E. McKenney
2008-07-24 10:59 ` Peter Zijlstra
2008-07-24 10:59 ` Peter Zijlstra
2008-08-01 21:10 ` Paul E. McKenney
2008-07-23 20:14 ` David Miller
2008-07-23 20:14 ` David Miller
2008-07-24 7:00 ` Peter Zijlstra
2008-07-24 7:00 ` Peter Zijlstra
2008-07-25 17:04 ` Ingo Oeser
2008-07-25 18:36 ` Jarek Poplawski
2008-07-25 18:36 ` Jarek Poplawski
2008-07-25 19:16 ` Johannes Berg
2008-07-25 19:34 ` Jarek Poplawski
2008-07-25 19:34 ` Jarek Poplawski
2008-07-25 19:36 ` Johannes Berg
2008-07-25 20:01 ` Jarek Poplawski
2008-07-26 9:18 ` David Miller
2008-07-26 9:18 ` David Miller
2008-07-26 10:53 ` Jarek Poplawski
2008-07-26 13:18 ` Jarek Poplawski
2008-07-26 13:18 ` Jarek Poplawski
2008-07-27 0:34 ` David Miller
2008-07-27 0:34 ` David Miller
2008-07-27 20:37 ` Jarek Poplawski
2008-07-27 20:37 ` Jarek Poplawski
2008-07-31 12:29 ` David Miller
2008-07-31 12:29 ` David Miller
2008-07-31 12:38 ` Nick Piggin
2008-07-31 12:38 ` Nick Piggin
2008-07-31 12:44 ` David Miller
2008-08-01 4:27 ` David Miller
2008-08-01 7:09 ` Peter Zijlstra
2008-08-01 7:09 ` Peter Zijlstra
2008-08-01 6:48 ` Jarek Poplawski
2008-08-01 7:00 ` David Miller
2008-08-01 7:00 ` David Miller
2008-08-01 7:01 ` Jarek Poplawski
2008-08-01 7:01 ` David Miller
2008-08-01 7:01 ` David Miller
2008-08-01 7:41 ` Jarek Poplawski
2008-07-25 6:20 ` [lockdep warning] AOE / networking: aoenet_xmit: noop_qdisc.q.lock, INFO: inconsistent lock state at 0000000000000370 Ingo Molnar
2008-07-25 6:25 ` David Miller
2008-07-25 7:26 ` Ingo Molnar
2008-07-25 8:23 ` David Miller
2008-07-21 15:10 ` [crash] BUG: unable to handle kernel NULL pointer dereference " David Miller
2008-07-21 15:10 ` David Miller
2008-07-21 15:10 ` David Miller
2008-07-21 18:23 ` [crash] kernel BUG at net/core/dev.c:1328! Ingo Molnar
2008-07-21 18:35 ` Linus Torvalds
2008-07-21 18:46 ` Ingo Molnar
2008-07-21 19:30 ` Ingo Molnar
2008-07-22 11:21 ` [TCP bug] stuck distcc connections in latest -git Ingo Molnar
2008-07-22 13:45 ` David Newall
2008-07-22 13:57 ` Ingo Molnar
2008-07-22 14:54 ` David Newall
2008-07-22 15:34 ` Ingo Molnar
2008-07-22 21:12 ` Willy Tarreau
2008-07-23 8:26 ` Ingo Molnar
2008-07-24 6:04 ` [TCP bug, regression] " Ingo Molnar
2008-07-24 6:32 ` Ingo Molnar
2008-07-24 7:33 ` Willy Tarreau
2008-07-24 8:35 ` Ingo Molnar
2008-07-24 7:53 ` Herbert Xu
2008-07-24 8:24 ` Willy Tarreau
2008-07-24 8:27 ` Ingo Molnar
2008-07-24 8:36 ` David Miller
2008-07-24 9:05 ` Herbert Xu
2008-07-24 9:22 ` David Miller
2008-07-24 9:34 ` Ingo Molnar
2008-07-24 11:56 ` [regression] nf_iterate(), BUG: unable to handle kernel NULL pointer dereference Ingo Molnar
2008-07-24 11:59 ` Ingo Molnar
2008-07-24 12:03 ` Patrick McHardy
2008-07-24 12:22 ` Herbert Xu
2008-07-24 12:40 ` Pekka Enberg
2008-07-24 12:50 ` Herbert Xu [this message]
2008-07-24 12:56 ` Nick Piggin
2008-07-24 13:04 ` Herbert Xu
2008-07-24 13:13 ` Nick Piggin
2008-07-24 13:32 ` Pekka Enberg
2008-07-24 19:21 ` Matt Mackall
2008-07-25 9:09 ` Nick Piggin
2008-07-24 13:11 ` Matt Mackall
2008-07-24 14:37 ` Herbert Xu
2008-07-24 17:47 ` Matt Mackall
2008-07-25 1:39 ` Herbert Xu
2008-07-25 2:59 ` Matt Mackall
2008-07-24 12:44 ` Pekka Enberg
2008-07-24 12:49 ` Patrick McHardy
2008-07-24 13:23 ` Pekka Enberg
2008-07-24 13:31 ` Patrick McHardy
2008-07-24 13:34 ` Pekka Enberg
2008-07-24 18:51 ` Andrew Morton
2008-07-24 18:55 ` Pekka Enberg
2008-07-24 20:58 ` David Miller
2008-07-25 8:02 ` Dieter Ries
2008-07-25 10:41 ` Pekka Enberg
2008-07-24 19:35 ` Ingo Molnar
2008-07-26 16:09 ` Patrick McHardy
2008-07-26 17:34 ` Ingo Molnar
2008-07-26 13:43 ` Patrick McHardy
2008-07-24 21:13 ` Linus Torvalds
2008-07-24 22:09 ` David Miller
2008-07-26 13:47 ` Patrick McHardy
2008-08-01 21:10 ` Paul E. McKenney
2008-07-24 14:23 ` Ingo Molnar
2008-07-24 15:23 ` Patrick McHardy
2008-07-24 15:32 ` Ingo Molnar
2008-07-24 15:34 ` Patrick McHardy
2008-07-24 18:00 ` Krzysztof Oledzki
2008-07-24 13:01 ` [TCP bug, regression] stuck distcc connections in latest -git Willy Tarreau
2008-07-24 9:25 ` Ingo Molnar
2008-07-24 9:29 ` David Miller
2008-07-24 11:12 ` Herbert Xu
2008-07-24 9:36 ` Ilpo Järvinen
2008-07-24 10:03 ` Ilpo Järvinen
2008-07-21 19:00 ` [crash] kernel BUG at net/core/dev.c:1328! David Miller
2008-07-21 19:20 ` Stefan Richter
2008-07-21 20:11 ` David Miller
2008-07-21 21:26 ` Stefan Richter
2008-07-21 19:44 ` Ingo Molnar
2008-07-21 20:20 ` David Miller
2008-07-21 15:07 ` [crash, bisected] Kernel BUG at ffffffff8079afb1 (__netif_schedule()) David Miller
2008-07-21 13:50 ` [GIT]: Networking Ingo Molnar
2008-07-21 14:15 ` Stefan Richter
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