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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
net: Change netdev_fix_features messages loglevel
vmxnet3: Fix inconsistent LRO state after initialization
sfc: Fix oops in register dump after mapping change
IPVS: fix netns if reading ip_vs_* procfs entries
bridge: fix forwarding of IPv6
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Those reduced to DEBUG can possibly be triggered by unprivileged processes
and are nothing exceptional. Illegal checksum combinations can only be
caused by driver bug, so promote those messages to WARN.
Since GSO without SG will now only cause DEBUG message from
netdev_fix_features(), remove the workaround from register_netdevice().
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Without this patch every access to ip_vs in procfs will increase
the netns count i.e. an unbalanced get_net()/put_net().
(ipvsadm commands also use procfs.)
The result is you can't exit a netns if reading ip_vs_* procfs entries.
Signed-off-by: Hans Schillstrom <hans.schillstrom@ericsson.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The commit 6b1e960fdbd75dcd9bcc3ba5ff8898ff1ad30b6e
bridge: Reset IPCB when entering IP stack on NF_FORWARD
broke forwarding of IPV6 packets in bridge because it would
call bp_parse_ip_options with an IPV6 packet.
Reported-by: Noah Meyerhans <noahm@debian.org>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
bridge: fix forwarding of IPv6
bonding,llc: Fix structure sizeof incompatibility for some PDUs
ipv6: restore correct ECN handling on TCP xmit
ne-h8300: Fix regression caused during net_device_ops conversion
hydra: Fix regression caused during net_device_ops conversion
zorro8390: Fix regression caused during net_device_ops conversion
sfc: Always map MCDI shared memory as uncacheable
ehea: Fix memory hotplug oops
libertas: fix cmdpendingq locking
iwlegacy: fix IBSS mode crashes
ath9k: Fix a warning due to a queued work during S3 state
mac80211: don't start the dynamic ps timer if not associated
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The commit 6b1e960fdbd75dcd9bcc3ba5ff8898ff1ad30b6e
bridge: Reset IPCB when entering IP stack on NF_FORWARD
broke forwarding of IPV6 packets in bridge because it would
call bp_parse_ip_options with an IPV6 packet.
Reported-by: Noah Meyerhans <noahm@debian.org>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Reviewed-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When p9pdu_readf() is called with "s" attribute, it allocates a pointer that
will store a string. In p9dirent_read(), this pointer is not being released,
leading to out of memory errors.
This patch releases this pointer after string is copyed to dirent->d_name.
Signed-off-by: Pedro Scarapicchia Junior <pedro.scarapiccha@br.flextronics.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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This reverts commit f21ca5fff6e548833fa5ee8867239a8378623150.
Quoth Gustavo F. Padovan:
"Commit f21ca5fff6e548833fa5ee8867239a8378623150 can cause a NULL
dereference if we call shutdown in a bluetooth SCO socket and doesn't
wait the shutdown completion to call close(). Please revert it. I
may have a fix for it soon, but we don't have time anymore, so revert
is the way to go. ;)"
Requested-by: Gustavo F. Padovan <padovan@profusion.mobi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (27 commits)
slcan: fix ldisc->open retval
net/usb: mark LG VL600 LTE modem ethernet interface as WWAN
xfrm: Don't allow esn with disabled anti replay detection
xfrm: Assign the inner mode output function to the dst entry
net: dev_close() should check IFF_UP
vlan: fix GVRP at dismantle time
netfilter: revert a2361c8735e07322023aedc36e4938b35af31eb0
netfilter: IPv6: fix DSCP mangle code
netfilter: IPv6: initialize TOS field in REJECT target module
IPVS: init and cleanup restructuring
IPVS: Change of socket usage to enable name space exit.
netfilter: ebtables: only call xt_compat_add_offset once per rule
netfilter: fix ebtables compat support
netfilter: ctnetlink: fix timestamp support for new conntracks
pch_gbe: support ML7223 IOH
PCH_GbE : Fixed the issue of checksum judgment
PCH_GbE : Fixed the issue of collision detection
NET: slip, fix ldisc->open retval
be2net: Fixed bugs related to PVID.
ehea: fix wrongly reported speed and port
...
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Unlike the standard case, disabled anti replay detection needs some
nontrivial extra treatment on ESN. RFC 4303 states:
Note: If a receiver chooses to not enable anti-replay for an SA, then
the receiver SHOULD NOT negotiate ESN in an SA management protocol.
Use of ESN creates a need for the receiver to manage the anti-replay
window (in order to determine the correct value for the high-order
bits of the ESN, which are employed in the ICV computation), which is
generally contrary to the notion of disabling anti-replay for an SA.
So return an error if an ESN state with disabled anti replay detection
is inserted for now and add the extra treatment later if we need it.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As it is, we assign the outer modes output function to the dst entry
when we create the xfrm bundle. This leads to two problems on interfamily
scenarios. We might insert ipv4 packets into ip6_fragment when called
from xfrm6_output. The system crashes if we try to fragment an ipv4
packet with ip6_fragment. This issue was introduced with git commit
ad0081e4 (ipv6: Fragment locally generated tunnel-mode IPSec6 packets
as needed). The second issue is, that we might insert ipv4 packets in
netfilter6 and vice versa on interfamily scenarios.
With this patch we assign the inner mode output function to the dst entry
when we create the xfrm bundle. So xfrm4_output/xfrm6_output from the inner
mode is used and the right fragmentation and netfilter functions are called.
We switch then to outer mode with the output_finish functions.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 443457242beb (factorize sync-rcu call in
unregister_netdevice_many) mistakenly removed one test from dev_close()
Following actions trigger a BUG :
modprobe bonding
modprobe dummy
ifconfig bond0 up
ifenslave bond0 dummy0
rmmod dummy
dev_close() must not close a non IFF_UP device.
With help from Frank Blaschka and Einar EL Lueck
Reported-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Reported-by: Einar EL Lueck <ELELUECK@de.ibm.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ip link add link eth2 eth2.103 type vlan id 103 gvrp on loose_binding on
ip link set eth2.103 up
rmmod tg3 # driver providing eth2
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: [<ffffffffa0030c9e>] garp_request_leave+0x3e/0xc0 [garp]
PGD 11d251067 PUD 11b9e0067 PMD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/virtual/net/eth2.104/ifindex
CPU 0
Modules linked in: tg3(-) 8021q garp nfsd lockd auth_rpcgss sunrpc libphy sg [last unloaded: x_tables]
Pid: 11494, comm: rmmod Tainted: G W 2.6.39-rc6-00261-gfd71257-dirty #580 HP ProLiant BL460c G6
RIP: 0010:[<ffffffffa0030c9e>] [<ffffffffa0030c9e>] garp_request_leave+0x3e/0xc0 [garp]
RSP: 0018:ffff88007a19bae8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: ffff88011b5e2000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000175 RDI: ffffffffa0030d5b
RBP: ffff88007a19bb18 R08: 0000000000000001 R09: ffff88011bd64a00
R10: ffff88011d34ec00 R11: 0000000000000000 R12: 0000000000000002
R13: ffff88007a19bc48 R14: ffff88007a19bb88 R15: 0000000000000001
FS: 0000000000000000(0000) GS:ffff88011fc00000(0063) knlGS:00000000f77d76c0
CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b
CR2: 0000000000000000 CR3: 000000011a675000 CR4: 00000000000006f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Process rmmod (pid: 11494, threadinfo ffff88007a19a000, task ffff8800798595c0)
Stack:
ffff88007a19bb36 ffff88011c84b800 ffff88011b5e2000 ffff88007a19bc48
ffff88007a19bb88 0000000000000006 ffff88007a19bb38 ffffffffa003a5f6
ffff88007a19bb38 670088007a19bba8 ffff88007a19bb58 ffffffffa00397e7
Call Trace:
[<ffffffffa003a5f6>] vlan_gvrp_request_leave+0x46/0x50 [8021q]
[<ffffffffa00397e7>] vlan_dev_stop+0xb7/0xc0 [8021q]
[<ffffffff8137e427>] __dev_close_many+0x87/0xe0
[<ffffffff8137e507>] dev_close_many+0x87/0x110
[<ffffffff8137e630>] rollback_registered_many+0xa0/0x240
[<ffffffff8137e7e9>] unregister_netdevice_many+0x19/0x60
[<ffffffffa00389eb>] vlan_device_event+0x53b/0x550 [8021q]
[<ffffffff8143f448>] ? ip6mr_device_event+0xa8/0xd0
[<ffffffff81479d03>] notifier_call_chain+0x53/0x80
[<ffffffff81062539>] __raw_notifier_call_chain+0x9/0x10
[<ffffffff81062551>] raw_notifier_call_chain+0x11/0x20
[<ffffffff8137df82>] call_netdevice_notifiers+0x32/0x60
[<ffffffff8137e69f>] rollback_registered_many+0x10f/0x240
[<ffffffff8137e85f>] rollback_registered+0x2f/0x40
[<ffffffff8137e8c8>] unregister_netdevice_queue+0x58/0x90
[<ffffffff8137e9eb>] unregister_netdev+0x1b/0x30
[<ffffffffa005d73f>] tg3_remove_one+0x6f/0x10b [tg3]
We should call vlan_gvrp_request_leave() from unregister_vlan_dev(),
not from vlan_dev_stop(), because vlan_gvrp_uninit_applicant()
is called right after unregister_netdevice_queue(). In batch mode,
unregister_netdevice_queue() doesn’t immediately call vlan_dev_stop().
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we are disconnecting, we set PS off, but this happens before we
send the deauth/disassoc request. When the deauth/disassoc frames are
sent, we trigger the dynamic ps timer, which then times out and turns
PS back on. Thus, PS remains on after disconnecting, causing problems
when associating again.
This can be fixed by preventing the timer to start when we're not
associated anymore.
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch reverts a2361c8735e07322023aedc36e4938b35af31eb0:
"[PATCH] netfilter: xt_conntrack: warn about use in raw table"
Florian Wesphal says:
"... when the packet was sent from the local machine the skb
already has ->nfct attached, and -m conntrack seems to do
the right thing."
Acked-by: Jan Engelhardt <jengelh@medozas.de>
Reported-by: Florian Wesphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The mask indicates the bits one wants to zero out, so it needs to be
inverted before applying to the original TOS field.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The IPv6 header is not zeroed out in alloc_skb so we must initialize
it properly unless we want to see IPv6 packets with random TOS fields
floating around. The current implementation resets the flow label
but this could be changed if deemed necessary.
We stumbled upon this issue when trying to apply a mangle rule to
the RST packet generated by the REJECT target module.
Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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DESCRIPTION
This patch tries to restore the initial init and cleanup
sequences that was before namspace patch.
Netns also requires action when net devices unregister
which has never been implemented. I.e this patch also
covers when a device moves into a network namespace,
and has to be released.
IMPLEMENTATION
The number of calls to register_pernet_device have been
reduced to one for the ip_vs.ko
Schedulers still have their own calls.
This patch adds a function __ip_vs_service_cleanup()
and an enable flag for the netfilter hooks.
The nf hooks will be enabled when the first service is loaded
and never disabled again, except when a namespace exit starts.
Signed-off-by: Hans Schillstrom <hans@schillstrom.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
[horms@verge.net.au: minor edit to changelog]
Signed-off-by: Simon Horman <horms@verge.net.au>
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If the sync daemons run in a name space while it crashes
or get killed, there is no way to stop them except for a reboot.
When all patches are there, ip_vs_core will handle register_pernet_(),
i.e. ip_vs_sync_init() and ip_vs_sync_cleanup() will be removed.
Kernel threads should not increment the use count of a socket.
By calling sk_change_net() after creating a socket this is avoided.
sock_release cant be used intead sk_release_kernel() should be used.
Thanks Eric W Biederman for your advices.
Signed-off-by: Hans Schillstrom <hans@schillstrom.com>
[horms@verge.net.au: minor edit to changelog]
Signed-off-by: Simon Horman <horms@verge.net.au>
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The optimizations in commit 255d0dc34068a976
(netfilter: x_table: speedup compat operations) assume that
xt_compat_add_offset is called once per rule.
ebtables however called it for each match/target found in a rule.
The match/watcher/target parser already returns the needed delta, so it
is sufficient to move the xt_compat_add_offset call to a more reasonable
location.
While at it, also get rid of the unused COMPAT iterator macros.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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commit 255d0dc34068a976 (netfilter: x_table: speedup compat operations)
made ebtables not working anymore.
1) xt_compat_calc_jump() is not an exact match lookup
2) compat_table_info() has a typo in xt_compat_init_offsets() call
3) compat_do_replace() misses a xt_compat_init_offsets() call
Reported-by: dann frazier <dannf@dannf.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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This patch fixes the missing initialization of the start time if
the timestamp support is enabled.
libnetfilter_conntrack/utils# conntrack -E &
libnetfilter_conntrack/utils# ./conntrack_create
tcp 6 109 ESTABLISHED src=1.1.1.1 dst=2.2.2.2 sport=1025 dport=21 packets=0 bytes=0 [UNREPLIED] src=2.2.2.2 dst=1.1.1.1 sport=21 dport=1025 packets=0 bytes=0 mark=0 delta-time=1303296401 use=2
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Patrick McHardy <kaber@trash.net>
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Use proper data type to handle get_user_pages_fast error condition. Also
do not treat EFAULT error as fatal.
Signed-off-by: M. Mohan Kumar <mohan@in.ibm.com>
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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TCP Cubic keeps a metric that estimates the amount of delayed
acknowledgements to use in adjusting the window. If an abnormally
large number of packets are acknowledged at once, then the update
could wrap and reach zero. This kind of ACK could only
happen when there was a large window and huge number of
ACK's were lost.
This patch limits the value of delayed ack ratio. The choice of 32
is just a conservative value since normally it should be range of
1 to 4 packets.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A length of zero (after subtracting two for the type and len fields) for
the DCCPO_{CHANGE,CONFIRM}_{L,R} options will cause an underflow due to
the subtraction. The subsequent code may read past the end of the
options value buffer when parsing. I'm unsure of what the consequences
of this might be, but it's probably not good.
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: stable@kernel.org
Acked-by: Gerrit Renker <gerrit@erg.abdn.ac.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client:
ceph: do not call __mark_dirty_inode under i_lock
libceph: fix ceph_osdc_alloc_request error checks
ceph: handle ceph_osdc_new_request failure in ceph_writepages_start
libceph: fix ceph_msg_new error path
ceph: use ihold() when i_lock is held
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Commit 4a94445c9a5c (net: Use ip_route_input_noref() in input path)
added a bug in IP defragmentation handling, in case timeout is fired.
When a frame is defragmented, we use last skb dst field when building
final skb. Its dst is valid, since we are in rcu read section.
But if a timeout occurs, we take first queued fragment to build one ICMP
TIME EXCEEDED message. Problem is all queued skb have weak dst pointers,
since we escaped RCU critical section after their queueing. icmp_send()
might dereference a now freed (and possibly reused) part of memory.
Calling skb_dst_drop() and ip_route_input_noref() to revalidate route is
the only possible choice.
Reported-by: Denys Fedoryshchenko <denys@visp.net.lb>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ceph_osdc_alloc_request returns NULL on failure.
Signed-off-by: Sage Weil <sage@newdream.net>
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If memory allocation failed, calling ceph_msg_put() will cause GPF
since some of ceph_msg variables are not initialized first.
Fix Bug #970.
Signed-off-by: Henry C Chang <henry_c_chang@tcloudcomputing.com>
Signed-off-by: Sage Weil <sage@newdream.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (47 commits)
sysctl: net: call unregister_net_sysctl_table where needed
Revert: veth: remove unneeded ifname code from veth_newlink()
smsc95xx: fix reset check
tg3: Fix failure to enable WoL by default when possible
networking: inappropriate ioctl operation should return ENOTTY
amd8111e: trivial typo spelling: Negotitate -> Negotiate
ipv4: don't spam dmesg with "Using LC-trie" messages
af_unix: Only allow recv on connected seqpacket sockets.
mii: add support of pause frames in mii_get_an
net: ftmac100: fix scheduling while atomic during PHY link status change
usbnet: Transfer of maintainership
usbnet: add support for some Huawei modems with cdc-ether ports
bnx2: cancel timer on device removal
iwl4965: fix "Received BA when not expected"
iwlagn: fix "Received BA when not expected"
dsa/mv88e6131: fix unknown multicast/broadcast forwarding on mv88e6085
usbnet: Resubmit interrupt URB if device is open
iwl4965: fix "TX Power requested while scanning"
iwlegacy: led stay solid on when no traffic
b43: trivial: update module info about ucode16_mimo firmware
...
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ctl_table_headers registered with register_net_sysctl_table should
have been unregistered with the equivalent unregister_net_sysctl_table
Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ioctl() calls against a socket with an inappropriate ioctl operation
are incorrectly returning EINVAL rather than ENOTTY:
[ENOTTY]
Inappropriate I/O control operation.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=33992
Signed-off-by: Lifeng Sun <lifongsun@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fib_trie_table() is called during netns creation and
Chromium uses clone(CLONE_NEWNET) to sandbox renderer process.
Don't print anything.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes the following oops discovered by Dan Aloni:
> Anyway, the following is the output of the Oops that I got on the
> Ubuntu kernel on which I first detected the problem
> (2.6.37-12-generic). The Oops that followed will be more useful, I
> guess.
>[ 5594.669852] BUG: unable to handle kernel NULL pointer dereference
> at (null)
> [ 5594.681606] IP: [<ffffffff81550b7b>] unix_dgram_recvmsg+0x1fb/0x420
> [ 5594.687576] PGD 2a05d067 PUD 2b951067 PMD 0
> [ 5594.693720] Oops: 0002 [#1] SMP
> [ 5594.699888] last sysfs file:
The bug was that unix domain sockets use a pseduo packet for
connecting and accept uses that psudo packet to get the socket.
In the buggy seqpacket case we were allowing unconnected
sockets to call recvmsg and try to receive the pseudo packet.
That is always wrong and as of commit 7361c36c5 the pseudo
packet had become enough different from a normal packet
that the kernel started oopsing.
Do for seqpacket_recv what was done for seqpacket_send in 2.5
and only allow it on connected seqpacket sockets.
Cc: stable@kernel.org
Tested-by: Dan Aloni <dan@aloni.org>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The 88e6085 has a few differences from the other devices in the port
control registers, causing unknown multicast/broadcast packets to get
dropped when using the standard port setup.
At the same time update kconfig to clarify that the mv88e6085 is now
supported.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Acked-by: Lennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6:
nfs: don't lose MS_SYNCHRONOUS on remount of noac mount
NFS: Return meaningful status from decode_secinfo()
NFSv4: Ensure we request the ordinary fileid when doing readdirplus
NFSv4: Ensure that clientid and session establishment can time out
SUNRPC: Allow RPC calls to return ETIMEDOUT instead of EIO
NFSv4.1: Don't loop forever in nfs4_proc_create_session
NFSv4: Handle NFS4ERR_WRONGSEC outside of nfs4_handle_exception()
NFSv4.1: Don't update sequence number if rpc_task is not sent
NFSv4.1: Ensure state manager thread dies on last umount
SUNRPC: Fix the SUNRPC Kerberos V RPCSEC_GSS module dependencies
NFS: Use correct variable for page bounds checking
NFS: don't negotiate when user specifies sec flavor
NFS: Attempt mount with default sec flavor first
NFS: flav_array honors NFS_MAX_SECFLAVORS
NFS: Fix infinite loop in gss_create_upcall()
Don't mark_inode_dirty_sync() while holding lock
NFS: Get rid of pointless test in nfs_commit_done
NFS: Remove unused argument from nfs_find_best_sec()
NFS: Eliminate duplicate call to nfs_mark_request_dirty
NFS: Remove dead code from nfs_fs_mount()
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These changes were incorrectly fixed by codespell. They were now
manually corrected.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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IPsec extended sequence numbers can be used only with the new
anti-replay window implementation. So check if the new implementation
is used if an esn state is inserted and return an error if it is not.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When we use IPsec extended sequence numbers, we may overwrite
the last scatterlist of the associated data by the scatterlist
for the skb. This patch fixes this by placing the scatterlist
for the skb right behind the last scatterlist of the associated
data. esp4 does it already like that.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On replay initialization, we compute the size of the replay
buffer to see if the replay window fits into the buffer.
This computation lacks a mutliplication by 8 because we need
the size in bit, not in byte. So we might return an error
even though the replay window would fit into the buffer.
This patch fixes this issue.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Since commit 62fa8a846d7d (net: Implement read-only protection and COW'ing
of metrics.) the kernel throws an oops.
[ 101.620985] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 101.621050] IP: [< (null)>] (null)
[ 101.621084] PGD 6e53c067 PUD 3dd6a067 PMD 0
[ 101.621122] Oops: 0010 [#1] SMP
[ 101.621153] last sysfs file: /sys/devices/virtual/ppp/ppp/uevent
[ 101.621192] CPU 2
[ 101.621206] Modules linked in: l2tp_ppp pppox ppp_generic slhc
l2tp_netlink l2tp_core deflate zlib_deflate twofish_x86_64
twofish_common des_generic cbc ecb sha1_generic hmac af_key
iptable_filter snd_pcm_oss snd_mixer_oss snd_seq snd_seq_device loop
snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec
snd_pcm snd_timer snd i2c_i801 iTCO_wdt psmouse soundcore snd_page_alloc
evdev uhci_hcd ehci_hcd thermal
[ 101.621552]
[ 101.621567] Pid: 5129, comm: openl2tpd Not tainted 2.6.39-rc4-Quad #3
Gigabyte Technology Co., Ltd. G33-DS3R/G33-DS3R
[ 101.621637] RIP: 0010:[<0000000000000000>] [< (null)>] (null)
[ 101.621684] RSP: 0018:ffff88003ddeba60 EFLAGS: 00010202
[ 101.621716] RAX: ffff88003ddb5600 RBX: ffff88003ddb5600 RCX:
0000000000000020
[ 101.621758] RDX: ffffffff81a69a00 RSI: ffffffff81b7ee61 RDI:
ffff88003ddb5600
[ 101.621800] RBP: ffff8800537cd900 R08: 0000000000000000 R09:
ffff88003ddb5600
[ 101.621840] R10: 0000000000000005 R11: 0000000000014b38 R12:
ffff88003ddb5600
[ 101.621881] R13: ffffffff81b7e480 R14: ffffffff81b7e8b8 R15:
ffff88003ddebad8
[ 101.621924] FS: 00007f06e4182700(0000) GS:ffff88007fd00000(0000)
knlGS:0000000000000000
[ 101.621971] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 101.622005] CR2: 0000000000000000 CR3: 0000000045274000 CR4:
00000000000006e0
[ 101.622046] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
0000000000000000
[ 101.622087] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
0000000000000400
[ 101.622129] Process openl2tpd (pid: 5129, threadinfo
ffff88003ddea000, task ffff88003de9a280)
[ 101.622177] Stack:
[ 101.622191] ffffffff81447efa ffff88007d3ded80 ffff88003de9a280
ffff88007d3ded80
[ 101.622245] 0000000000000001 ffff88003ddebbb8 ffffffff8148d5a7
0000000000000212
[ 101.622299] ffff88003dcea000 ffff88003dcea188 ffffffff00000001
ffffffff81b7e480
[ 101.622353] Call Trace:
[ 101.622374] [<ffffffff81447efa>] ? ipv4_blackhole_route+0x1ba/0x210
[ 101.622415] [<ffffffff8148d5a7>] ? xfrm_lookup+0x417/0x510
[ 101.622450] [<ffffffff8127672a>] ? extract_buf+0x9a/0x140
[ 101.622485] [<ffffffff8144c6a0>] ? __ip_flush_pending_frames+0x70/0x70
[ 101.622526] [<ffffffff8146fbbf>] ? udp_sendmsg+0x62f/0x810
[ 101.622562] [<ffffffff813f98a6>] ? sock_sendmsg+0x116/0x130
[ 101.622599] [<ffffffff8109df58>] ? find_get_page+0x18/0x90
[ 101.622633] [<ffffffff8109fd6a>] ? filemap_fault+0x12a/0x4b0
[ 101.622668] [<ffffffff813fb5c4>] ? move_addr_to_kernel+0x64/0x90
[ 101.622706] [<ffffffff81405d5a>] ? verify_iovec+0x7a/0xf0
[ 101.622739] [<ffffffff813fc772>] ? sys_sendmsg+0x292/0x420
[ 101.622774] [<ffffffff810b994a>] ? handle_pte_fault+0x8a/0x7c0
[ 101.622810] [<ffffffff810b76fe>] ? __pte_alloc+0xae/0x130
[ 101.622844] [<ffffffff810ba2f8>] ? handle_mm_fault+0x138/0x380
[ 101.622880] [<ffffffff81024af9>] ? do_page_fault+0x189/0x410
[ 101.622915] [<ffffffff813fbe03>] ? sys_getsockname+0xf3/0x110
[ 101.622952] [<ffffffff81450c4d>] ? ip_setsockopt+0x4d/0xa0
[ 101.622986] [<ffffffff813f9932>] ? sockfd_lookup_light+0x22/0x90
[ 101.623024] [<ffffffff814b61fb>] ? system_call_fastpath+0x16/0x1b
[ 101.623060] Code: Bad RIP value.
[ 101.623090] RIP [< (null)>] (null)
[ 101.623125] RSP <ffff88003ddeba60>
[ 101.623146] CR2: 0000000000000000
[ 101.650871] ---[ end trace ca3856a7d8e8dad4 ]---
[ 101.651011] __sk_free: optmem leakage (160 bytes) detected.
The oops happens in dst_metrics_write_ptr()
include/net/dst.h:124: return dst->ops->cow_metrics(dst, p);
dst->ops->cow_metrics is NULL and causes the oops.
Provide cow_metrics() methods, like we did in commit 214f45c91bb
(net: provide default_advmss() methods to blackhole dst_ops)
Signed-off-by: Held Bernhard <berny156@gmx.de>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On occasion, it is useful for the NFS layer to distinguish between
soft timeouts and other EIO errors due to (say) encoding errors,
or authentication errors.
The following patch ensures that the default behaviour of the RPC
layer remains to return EIO on soft timeouts (until we have
audited all the callers).
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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This reverts commit 1e253c3b8a1aeed51eef6fc366812f219b97de65.
It breaks 802.3ad bonding inside of a bridge.
The commit was meant to support transport bridging, and specifically
virtual machines bridged to an ethernet interface connected to a
switch port wiht 802.1x enabled.
But this isn't the way to do it, it breaks too many other things.
Signed-off-by: David S. Miller <davem@davemloft.net>
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The changes introduced with git-commit a02e4b7d ("ipv6: Demark default
hoplimit as zero.") missed to remove the hoplimit initialization. As a
result, ipv6_get_mtu interprets the return value of dst_metric_raw
(-1) as 255 and answers ping6 with this hoplimit. This patche removes
the line such that ping6 is answered with the hoplimit value
configured via sysctl.
Signed-off-by: Thomas Egerer <thomas.egerer@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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At this point, skb->data points to skb_transport_header.
So, headroom check is wrong.
For some case:bridge(UFO is on) + eth device(UFO is off),
there is no enough headroom for IPv6 frag head.
But headroom check is always false.
This will bring about data be moved to there prior to skb->head,
when adding IPv6 frag header to skb.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The locking with SMPS requests means that the
debugs file should lock the mgd mutex, not the
iflist mutex. Calls to __ieee80211_request_smps()
need to hold that mutex, so add an assertion.
This has always been wrong, but for some reason
never been noticed, probably because the locking
error only happens while unassociated.
Cc: stable@kernel.org [2.6.34+]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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v2: added space after 'if' according code style.
We can get here with a NULL socket argument passed from userspace,
so we need to handle it accordingly.
Thanks to Dave Jones pointing at this issue in net/can/bcm.c
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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