Commit Graph

8665 Commits

Author SHA1 Message Date
Stephen Hemminger
ae4f8fca40 bridge: forwarding table information for >256 devices
The forwarding table binary interface (my bad choice), only exposes
the port number of the first 8 bits. The bridge code was limited to
256 ports at the time, but now the kernel supports up 1024 ports, so
the upper bits are lost when doing:

   brctl showmacs

The fix is to squeeze the extra bits into small hole left in data
structure, to maintain binary compatiablity.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:53:33 -07:00
Harvey Harrison
84994e16f2 dccp: ccid2.c, ccid3.c use clamp(), clamp_t()
Makes the intention of the nested min/max clear.

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:44:07 -07:00
Mike Travis
0c0b0aca66 net: remove NR_CPUS arrays in net/core/dev.c
Remove the fixed size channels[NR_CPUS] array in net/core/dev.c and
dynamically allocate array based on nr_cpu_ids.

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:43:08 -07:00
Harvey Harrison
d3e2ce3bcd net: use get/put_unaligned_* helpers
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:26:16 -07:00
Harvey Harrison
8398531939 bluetooth: use get/put_unaligned_* helpers
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:25:46 -07:00
Harvey Harrison
260ffeed3f irda: use get_unaligned_* helpers
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:21:52 -07:00
Arjan van de Ven
b4192bbd85 net: Add a WARN_ON_ONCE() to the transmit timeout function
WARN_ON_ONCE() gives a stack trace including the full module list.
Having this in the kernel dump for the timeout case in the
generic netdev watchdog will help us see quicker which driver
is involved. It also allows us to collect statistics 
and patterns in terms of which drivers have this event occuring.

Suggested by Andrew Morton

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:21:07 -07:00
Ilpo Järvinen
50aab54f30 net: Add missing braces to multi-statement if()s
One finds all kinds of crazy things with some shell pipelining.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 16:20:10 -07:00
Denis V. Lunev
8b169240e2 netfilter: assign PDE->data before gluing PDE into /proc tree
Replace proc_net_fops_create with proc_create_data.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 04:11:52 -07:00
Denis V. Lunev
52c0e111fa netfilter: assign PDE->fops before gluing PDE into /proc tree
Replace create_proc_entry with specially created for this purpose proc_create.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 04:10:57 -07:00
Denis V. Lunev
84841c3c6c ipv4: assign PDE->data before gluing PDE into /proc tree
The check for PDE->data != NULL becomes useless after the replacement
of proc_net_fops_create with proc_create_data.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 04:10:08 -07:00
Denis V. Lunev
1d3faa390d vlan: assign PDE->data before gluing PDE into /proc tree
Simply replace proc_create and further data assigned with proc_create_data.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 04:09:11 -07:00
Denis V. Lunev
0c89652a74 atm: assign PDE->data before gluing PDE into /proc tree
Simply replace proc_create and further data assigned with proc_create_data.
proc_atm_dev_ops holds proper referrence.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 04:08:30 -07:00
Denis V. Lunev
0bb53a66fe ipv6: assign PDE->data before gluing PDE into /proc tree
Simply replace proc_create and further data assigned with proc_create_data.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 02:46:55 -07:00
Denis V. Lunev
5efdccbcda net: assign PDE->data before gluing PDE into /proc tree
Simply replace proc_create and further data assigned with proc_create_data.
Additionally, there is no need to assign NULL to PDE->data after creation,
/proc generic has already done this for us.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 02:46:22 -07:00
Denis V. Lunev
6e79d85d9a netfilter: assign PDE->data before gluing PDE into /proc tree
Simply replace proc_create and further data assigned with proc_create_data.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 02:45:42 -07:00
Denis V. Lunev
e7fe23363b sunrpc: assign PDE->data before gluing PDE into /proc tree
Simply replace proc_create and further data assigned with proc_create_data.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-02 02:44:36 -07:00
Harvey Harrison
ab59859de1 net: fix returning void-valued expression warnings
drivers/net/8390.c:37:2: warning: returning void-valued expression
drivers/net/bnx2.c:1635:3: warning: returning void-valued expression
drivers/net/xen-netfront.c:1806:2: warning: returning void-valued expression
net/ipv4/tcp_hybla.c:105:3: warning: returning void-valued expression
net/ipv4/tcp_vegas.c:171:3: warning: returning void-valued expression
net/ipv4/tcp_veno.c:123:3: warning: returning void-valued expression
net/sysctl_net.c:85:2: warning: returning void-valued expression

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-01 02:47:38 -07:00
David S. Miller
c2a3b23345 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6 2008-05-01 02:06:32 -07:00
Linus Torvalds
ccc7518415 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  ipv6: Compilation fix for compat MCAST_MSFILTER sockopts.
2008-04-30 20:13:22 -07:00
Harvey Harrison
17f830459d mac80211: incorrect shift direction
Looks like  5d2cdcd4e8 ("mac80211: get a
TKIP phase key from skb") got the shifts wrong.

Noticed by sparse:
net/mac80211/tkip.c:234:25: warning: right shift by bigger than source value
net/mac80211/tkip.c:235:25: warning: right shift by bigger than source value
net/mac80211/tkip.c:236:25: warning: right shift by bigger than source value

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-30 20:34:26 -04:00
Johannes Berg
636c5d488b mac80211: insert WDS peer after adding interface
This reorders the open code so that WDS peer STA info entries
are added after the corresponding interface is added to the
driver so that driver callbacks aren't invoked out of order.
Also make any master device startup fatal.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-30 20:34:26 -04:00
Johannes Berg
e94e106831 mac80211: don't allow invalid WDS peer addresses
Rather than just disallowing the zero address, disallow all
invalid ones.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-30 20:34:26 -04:00
Johannes Berg
8b808bf29b mac80211: assign conf.beacon_control for mesh
Drivers can rightfully assume that they get a beacon_control
if the beacon is set.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-30 20:34:26 -04:00
Luis Carlos Cobo
51ceddade0 mac80211: use 4-byte mesh sequence number
This follows the new 802.11s/D2.0 draft.

Signed-off-by: Luis Carlos Cobo <luisca@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
2008-04-30 20:34:26 -04:00
Pavel Emelyanov
8099179031 ipv6: Compilation fix for compat MCAST_MSFILTER sockopts.
The last hunk from the commit dae50295 (ipv4/ipv6 compat: Fix SSM
applications on 64bit kernels.) escaped from the compat_ipv6_setsockopt
to the ipv6_getsockopt (I guess due to patch smartness wrt searching
for context) thus breaking 32-bit and 64-bit-without-compat compilation.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Acked-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-30 14:49:54 -07:00
Linus Torvalds
95dfec6ae1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (53 commits)
  tcp: Overflow bug in Vegas
  [IPv4] UFO: prevent generation of chained skb destined to UFO device
  iwlwifi: move the selects to the tristate drivers
  ipv4: annotate a few functions __init in ipconfig.c
  atm: ambassador: vcc_sf semaphore to mutex
  MAINTAINERS: The socketcan-core list is subscribers-only.
  netfilter: nf_conntrack: padding breaks conntrack hash on ARM
  ipv4: Update MTU to all related cache entries in ip_rt_frag_needed()
  sch_sfq: use del_timer_sync() in sfq_destroy()
  net: Add compat support for getsockopt (MCAST_MSFILTER)
  net: Several cleanups for the setsockopt compat support.
  ipvs: fix oops in backup for fwmark conn templates
  bridge: kernel panic when unloading bridge module
  bridge: fix error handling in br_add_if()
  netfilter: {nfnetlink,ip,ip6}_queue: fix skb_over_panic when enlarging packets
  netfilter: x_tables: fix net namespace leak when reading /proc/net/xxx_tables_names
  netfilter: xt_TCPOPTSTRIP: signed tcphoff for ipv6_skip_exthdr() retval
  tcp: Limit cwnd growth when deferring for GSO
  tcp: Allow send-limited cwnd to grow up to max_burst when gso disabled
  [netdrvr] gianfar: Determine TBIPA value dynamically
  ...
2008-04-30 08:45:48 -07:00
Alan Cox
f34d7a5b70 tty: The big operations rework
- Operations are now a shared const function block as with most other Linux
  objects

- Introduce wrappers for some optional functions to get consistent behaviour

- Wrap put_char which used to be patched by the tty layer

- Document which functions are needed/optional

- Make put_char report success/fail

- Cache the driver->ops pointer in the tty as tty->ops

- Remove various surplus lock calls we no longer need

- Remove proc_write method as noted by Alexey Dobriyan

- Introduce some missing sanity checks where certain driver/ldisc
  combinations would oops as they didn't check needed methods were present

[akpm@linux-foundation.org: fix fs/compat_ioctl.c build]
[akpm@linux-foundation.org: fix isicom]
[akpm@linux-foundation.org: fix arch/ia64/hp/sim/simserial.c build]
[akpm@linux-foundation.org: fix kgdb]
Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-30 08:29:47 -07:00
Lachlan Andrew
159131149c tcp: Overflow bug in Vegas
From: Lachlan Andrew <lachlan.andrew@gmail.com>

There is an overflow bug in net/ipv4/tcp_vegas.c for large BDPs
(e.g. 400Mbit/s, 400ms).  The multiplication (old_wnd *
vegas->baseRTT) << V_PARAM_SHIFT overflows a u32.

[ Fix tcp_veno.c too, it has similar calculations. -DaveM ]

Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-30 01:04:03 -07:00
Kostya B
be9164e769 [IPv4] UFO: prevent generation of chained skb destined to UFO device
Problem: ip_append_data() could wrongly generate a chained skb for
devices which support UFO.  When sk_write_queue is not empty
(e.g. MSG_MORE), __instead__ of appending data into the next nr_frag
of the queued skb, a new chained skb is created.

I would normally assume UFO device should get data in nr_frags and not
in frag_list.  Later the udp4_hwcsum_outgoing() resets csum to NONE
and skb_gso_segment() has oops.

Proposal:
1. Even length is less than mtu, employ ip_ufo_append_data()
and append data to the __existed__ skb in the sk_write_queue.

2. ip_ufo_append_data() is fixed due to a wrong manipulation of
peek-ing and later enqueue-ing of the same skb.  Now, enqueuing is
always performed, because on error the further
ip_flush_pending_frames() would release the queued skb.

Signed-off-by: Kostya B <bkostya@hotmail.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 22:36:30 -07:00
Sam Ravnborg
45e741b890 ipv4: annotate a few functions __init in ipconfig.c
A few functions are only used from __init context.
So annotate these with __init for consistency and silence
the following warnings:

WARNING: net/ipv4/built-in.o(.text+0x2a876): Section mismatch
         in reference from the function ic_bootp_init() to
         the variable .init.data:bootp_packet_type
WARNING: net/ipv4/built-in.o(.text+0x2a907): Section mismatch
         in reference from the function ic_bootp_cleanup() to
         the variable .init.data:bootp_packet_type

Note: The warnings only appear with CONFIG_DEBUG_SECTION_MISMATCH=y

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 20:58:15 -07:00
Linus Torvalds
9781db7b34 Merge branch 'audit.b50' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current
* 'audit.b50' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current:
  [PATCH] new predicate - AUDIT_FILETYPE
  [patch 2/2] Use find_task_by_vpid in audit code
  [patch 1/2] audit: let userspace fully control TTY input auditing
  [PATCH 2/2] audit: fix sparse shadowed variable warnings
  [PATCH 1/2] audit: move extern declarations to audit.h
  Audit: MAINTAINERS update
  Audit: increase the maximum length of the key field
  Audit: standardize string audit interfaces
  Audit: stop deadlock from signals under load
  Audit: save audit_backlog_limit audit messages in case auditd comes back
  Audit: collect sessionid in netlink messages
  Audit: end printk with newline
2008-04-29 11:41:22 -07:00
Hirofumi Nakagawa
801678c5a3 Remove duplicated unlikely() in IS_ERR()
Some drivers have duplicated unlikely() macros.  IS_ERR() already has
unlikely() in itself.

This patch cleans up such pointless code.

Signed-off-by: Hirofumi Nakagawa <hnakagawa@miraclelinux.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: Paul Clements <paul.clements@steeleye.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Anton Altaparmakov <aia21@cantab.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 08:06:25 -07:00
Alexey Dobriyan
3ae02d6bc1 proc: switch /proc/irda/irnet to seq_file interface
Probably interface misuse, because of the way iterating over hashbin is done.
However! Printing of socket number ("IrNET socket %d - ", i++") made conversion
to proper ->start/->next difficult enough to do blindly without hardware.
Said that, please apply.

Remove useless comment while I am it.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Samuel Ortiz <samuel@sortiz.org>
Cc: "David S. Miller" <davem@davemloft.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-29 08:06:19 -07:00
Philip Craig
443a70d50b netfilter: nf_conntrack: padding breaks conntrack hash on ARM
commit 0794935e "[NETFILTER]: nf_conntrack: optimize hash_conntrack()"
results in ARM platforms hashing uninitialised padding.  This padding
doesn't exist on other architectures.

Fix this by replacing NF_CT_TUPLE_U_BLANK() with memset() to ensure
everything is initialised.  There were only 4 bytes that
NF_CT_TUPLE_U_BLANK() wasn't clearing anyway (or 12 bytes on ARM).

Signed-off-by: Philip Craig <philipc@snapgear.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:35:10 -07:00
Timo Teras
0010e46577 ipv4: Update MTU to all related cache entries in ip_rt_frag_needed()
Add struct net_device parameter to ip_rt_frag_needed() and update MTU to
cache entries where ifindex is specified. This is similar to what is
already done in ip_rt_redirect().

Signed-off-by: Timo Teras <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:32:25 -07:00
Jarek Poplawski
980c478ddb sch_sfq: use del_timer_sync() in sfq_destroy()
Let's delete timer reliably in sfq_destroy().

Signed-off-by: Jarek Poplawski <jarkao2@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:29:03 -07:00
David L Stevens
42908c69f6 net: Add compat support for getsockopt (MCAST_MSFILTER)
This patch adds support for getsockopt for MCAST_MSFILTER for
both IPv4 and IPv6. It depends on the previous setsockopt patch,
and uses the same method.

Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:23:22 -07:00
David L Stevens
be666e0a13 net: Several cleanups for the setsockopt compat support.
1) added missing "__user" for kgsr and kgf pointers
2) verify read for only GROUP_FILTER_SIZE(0). The group_filter
        structure definition (via RFC) includes space for one source
        in the source list array, but that source need not be present.
        So, sizeof(group_filter) > GROUP_FILTER_SIZE(0). Fixed
        the user read-check for minimum length to use the smaller size.
3) remove unneeded "&" for gf_slist addresses

Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:23:00 -07:00
Julian Anastasov
2ad17defd5 ipvs: fix oops in backup for fwmark conn templates
Fixes bug http://bugzilla.kernel.org/show_bug.cgi?id=10556
where conn templates with protocol=IPPROTO_IP can oops backup box.

        Result from ip_vs_proto_get() should be checked because
protocol value can be invalid or unsupported in backup. But
for valid message we should not fail for templates which use
IPPROTO_IP. Also, add checks to validate message limits and
connection state. Show state NONE for templates using IPPROTO_IP.

Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:21:23 -07:00
Bodo Stroesser
d69efb1689 bridge: kernel panic when unloading bridge module
There is a race condition when unloading bridge and netfilter.

The problem happens if __fake_rtable is in use by a skb
coming in, while someone starts to unload bridge.ko.
br_netfilter_fini() is called at the beginning of unload
in br_deinit() while skbs still are being forwarded and
transferred to local ip stack. Thus there is a possibility
of the __fake_rtable pointer not being removed in a skb that
goes up to ip stack. This results in a kernel panic, as
ip_rcv() calls the input-function of __fake_rtable, which
is NULL.

Moving the call of br_netfilter_fini() to the end of
br_deinit() solves the problem.

Signed-off-by: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Signed-off-by: Stephen Hemminger <stephen.hemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:18:13 -07:00
Volodymyr G Lukiianyk
43af8532ec bridge: fix error handling in br_add_if()
When device is added to bridge its refcnt is incremented (in new_nbp()), but if
error occurs during further br_add_if() operations this counter is not
decremented back. Fix it by adding dev_put() call in the error path.

Signed-off-by: Volodymyr G Lukiianyk <volodymyrgl@gmail.com>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:17:42 -07:00
Arnaud Ebalard
9a732ed6d0 netfilter: {nfnetlink,ip,ip6}_queue: fix skb_over_panic when enlarging packets
While reinjecting *bigger* modified versions of IPv6 packets using
libnetfilter_queue, things work fine on a 2.6.24 kernel (2.6.22 too)
but I get the following on recents kernels (2.6.25, trace below is
against today's net-2.6 git tree):

skb_over_panic: text:c04fddb0 len:696 put:632 head:f7592c00 data:f7592c00 tail:0xf7592eb8 end:0xf7592e80 dev:eth0
------------[ cut here ]------------
invalid opcode: 0000 [#1] PREEMPT 
Process sendd (pid: 3657, ti=f6014000 task=f77c31d0 task.ti=f6014000)
Stack: c071e638 c04fddb0 000002b8 00000278 f7592c00 f7592c00 f7592eb8 f7592e80 
       f763c000 f6bc5200 f7592c40 f6015c34 c04cdbfc f6bc5200 00000278 f6015c60 
       c04fddb0 00000020 f72a10c0 f751b420 00000001 0000000a 000002b8 c065582c 
Call Trace:
 [<c04fddb0>] ? nfqnl_recv_verdict+0x1c0/0x2e0
 [<c04cdbfc>] ? skb_put+0x3c/0x40
 [<c04fddb0>] ? nfqnl_recv_verdict+0x1c0/0x2e0
 [<c04fd115>] ? nfnetlink_rcv_msg+0xf5/0x160
 [<c04fd03e>] ? nfnetlink_rcv_msg+0x1e/0x160
 [<c04fd020>] ? nfnetlink_rcv_msg+0x0/0x160
 [<c04f8ed7>] ? netlink_rcv_skb+0x77/0xa0
 [<c04fcefc>] ? nfnetlink_rcv+0x1c/0x30
 [<c04f8c73>] ? netlink_unicast+0x243/0x2b0
 [<c04cfaba>] ? memcpy_fromiovec+0x4a/0x70
 [<c04f9406>] ? netlink_sendmsg+0x1c6/0x270
 [<c04c8244>] ? sock_sendmsg+0xc4/0xf0
 [<c011970d>] ? set_next_entity+0x1d/0x50
 [<c0133a80>] ? autoremove_wake_function+0x0/0x40
 [<c0118f9e>] ? __wake_up_common+0x3e/0x70
 [<c0342fbf>] ? n_tty_receive_buf+0x34f/0x1280
 [<c011d308>] ? __wake_up+0x68/0x70
 [<c02cea47>] ? copy_from_user+0x37/0x70
 [<c04cfd7c>] ? verify_iovec+0x2c/0x90
 [<c04c837a>] ? sys_sendmsg+0x10a/0x230
 [<c011967a>] ? __dequeue_entity+0x2a/0xa0
 [<c011970d>] ? set_next_entity+0x1d/0x50
 [<c0345397>] ? pty_write+0x47/0x60
 [<c033d59b>] ? tty_default_put_char+0x1b/0x20
 [<c011d2e9>] ? __wake_up+0x49/0x70
 [<c033df99>] ? tty_ldisc_deref+0x39/0x90
 [<c033ff20>] ? tty_write+0x1a0/0x1b0
 [<c04c93af>] ? sys_socketcall+0x7f/0x260
 [<c0102ff9>] ? sysenter_past_esp+0x6a/0x91
 [<c05f0000>] ? snd_intel8x0m_probe+0x270/0x6e0
 =======================
Code: 00 00 89 5c 24 14 8b 98 9c 00 00 00 89 54 24 0c 89 5c 24 10 8b 40 50 89 4c 24 04 c7 04 24 38 e6 71 c0 89 44 24 08 e8 c4 46 c5 ff <0f> 0b eb fe 55 89 e5 56 89 d6 53 89 c3 83 ec 0c 8b 40 50 39 d0 
EIP: [<c04ccdfc>] skb_over_panic+0x5c/0x60 SS:ESP 0068:f6015bf8


Looking at the code, I ended up in nfq_mangle() function (called by
nfqnl_recv_verdict()) which performs a call to skb_copy_expand() due to
the increased size of data passed to the function. AFAICT, it should ask
for 'diff' instead of 'diff - skb_tailroom(e->skb)'. Because the
resulting sk_buff has not enough space to support the skb_put(skb, diff)
call a few lines later, this results in the call to skb_over_panic().

The patch below asks for allocation of a copy with enough space for
mangled packet and the same amount of headroom as old sk_buff. While
looking at how the regression appeared (e2b58a67), I noticed the same
pattern in ipq_mangle_ipv6() and ipq_mangle_ipv4(). The patch corrects
those locations too.

Tested with bigger reinjected IPv6 packets (nfqnl_mangle() path), things
are ok (2.6.25 and today's net-2.6 git tree).

Signed-off-by: Arnaud Ebalard <arno@natisbad.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:16:34 -07:00
Pavel Emelyanov
0e93bb9459 netfilter: x_tables: fix net namespace leak when reading /proc/net/xxx_tables_names
The seq_open_net() call should be accompanied with seq_release_net() one.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:15:35 -07:00
Roel Kluin
be8d0d7903 netfilter: xt_TCPOPTSTRIP: signed tcphoff for ipv6_skip_exthdr() retval
if tcphoff remains unsigned, a negative ipv6_skip_exthdr() return value will
go unnoticed,

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:15:10 -07:00
John Heffner
246eb2af06 tcp: Limit cwnd growth when deferring for GSO
This fixes inappropriately large cwnd growth on sender-limited flows
when GSO is enabled, limiting cwnd growth to 64k.

Signed-off-by: John Heffner <johnwheffner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:13:52 -07:00
John Heffner
ce447eb914 tcp: Allow send-limited cwnd to grow up to max_burst when gso disabled
This changes the logic in tcp_is_cwnd_limited() so that cwnd may grow
up to tcp_max_burst() even when sk_can_gso() is false, or when
sysctl_tcp_tso_win_divisor != 0.

Signed-off-by: John Heffner <johnwheffner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-29 03:13:02 -07:00
Linus Torvalds
77a50df2b1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  iwlwifi: Allow building iwl3945 without iwl4965.
  wireless: Fix compile error with wifi & leds
  tcp: Fix slab corruption with ipv6 and tcp6fuzz
  ipv4/ipv6 compat: Fix SSM applications on 64bit kernels.
  [IPSEC]: Use digest_null directly for auth
  sunrpc: fix missing kernel-doc
  can: Fix copy_from_user() results interpretation
  Revert "ipv6: Fix typo in net/ipv6/Kconfig"
  tipc: endianness annotations
  ipv6: result of csum_fold() is already 16bit, no need to cast
  [XFRM] AUDIT: Fix flowlabel text format ambibuity.
2008-04-28 09:44:11 -07:00
Eric Paris
2532386f48 Audit: collect sessionid in netlink messages
Previously I added sessionid output to all audit messages where it was
available but we still didn't know the sessionid of the sender of
netlink messages.  This patch adds that information to netlink messages
so we can audit who sent netlink messages.

Signed-off-by: Eric Paris <eparis@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2008-04-28 06:18:03 -04:00
Luca Tettamanti
bd8fd21dfd wireless: Fix compile error with wifi & leds
Fix build error caused by commit
e82404ad61 ("iwlwifi: Select
LEDS_CLASS.") from David Miller:

Since MAC80211_LEDS is selected by wireless drivers it must select its
own dependencies otherwise a build error may occur (kbuild will select
the symbol regardless of "depends" constraints).

Signed-off-By: Luca Tettamanti <kronos.it@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-04-27 15:34:55 -07:00