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RDMA needs to post a buffer for each incoming reply.
Hence it needs to keep count of these and needs to be
aware of whether a flushed request has received a reply
or not.
This patch adds the cancelled() callback to the transport modules.
It is called when RFLUSH has been received and that the corresponding
request will never receive a reply.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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In rdma_request():
If an error occurs between posting the recv and the send,
there will be a reply context posted without a pending
request.
Since there is no way to "un-post" it, we remember it and
skip post_recv() for the next request.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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Most importantly:
- do not free the recv context (rpl_context) after a successful post_recv()
- but do free the send context (c) after a failed send.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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rdma_request() should never be in charge of freeing rc.
When an error occurs:
* Either the rc buffer has been recv_post()'ed.
then kfree()'ing it certainly is a bad idea.
* Or is has not, and in that case req->rc still points to it,
hence it needs not be freed.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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The current code keeps track of the number of buffers posted in the RQ,
and will prevent it from overflowing. But it does so by simply dropping
post requests (And leaking memory in the process).
When this happens there will actually be too few buffers posted, and
soon the 9P server will complain about 'RNR retry counter exceeded'
errors.
Instead, use a semaphore, and block until the RQ is ready for another
buffer to be posted.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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A well-behaved server would not send twice the reply to a request.
But if it ever happens...
This additional check prevents the kernel from leaking memory
and possibly more nasty consequences in that unlikely event.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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The current value is too low to get good performance.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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p9_tag_alloc() takes care of that.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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The current code assumes that when a request in the request array
does have a tc, it also has a rc.
This is normally true, but not always : when using RDMA, req->rc
will temporarily be set to NULL after the request has been sent.
That is usually OK though, as when the reply arrives, req->rc will be
reassigned to a sane value before the request is recycled.
But there is a catch : if the request is flushed, the reply will never
arrive, and req->rc will be NULL, but not req->tc.
This patch fixes p9_tag_alloc to take this into account.
Signed-off-by: Simon Derr <simon.derr@bull.net>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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If the privport option is specified, the tcp transport binds local
address to a reserved port before connecting to the 9p server.
In some cases when 9P AUTH cannot be implemented, this is better than
nothing.
Signed-off-by: Jim Garlick <garlick@llnl.gov>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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For zero copy request, error will be encoded in the user space buffer.
So copy the error code correctly using copy_from_user. Here we use the
extra bytes we allocate for zero copy request. If total error details
are more than P9_ZC_HDR_SZ - 7 bytes, we return -EFAULT. The patch also
avoid a memory allocation in the error path.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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Make the default 9p experience better by defaulting to virtio transport if present.
These days most of the users are using 9p in a virtualized setup
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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If we dont' specify a protocol version default to 9P2000.L. 9P2000.L
have better support for posix semantic and is where all the recent development
is happening.
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
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If one does do something unfortunate and allow a
bad offload bug into the kernel, this the
skb_warn_bad_offload can effectively live-lock the
system, filling the logs with the same error over
and over.
Add rate limitation to this so that box remains otherwise
functional in this case.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix to return -EINVAL when tb[TCA_FW_MASK] is set and head->mask != 0xFFFFFFFF
instead of 0 (ifdef CONFIG_NET_CLS_IND and tb[TCA_FW_INDEV]), as done elsewhere
in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The "reason" can come from skb->data[] and it hasn't been capped so it
can be from 0-255 instead of just 0-6. For example in irlmp_state_dtr()
the code does:
reason = skb->data[3];
...
irlmp_disconnect_indication(self, reason, skb);
Also LMREASON has a couple other values which don't have entries in the
irlmp_reasons[] array. And 0xff is a valid reason as well which means
"unknown".
So far as I can see we don't actually care about "reason" except for in
the debug code.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pablo Neira Ayuso says:
====================
If time allows, please consider pulling the following patchset contains two
late Netfilter fixes, they are:
* Skip broadcast/multicast locally generated traffic in the rpfilter,
(closes netfilter bugzilla #814), from Florian Westphal.
* Fix missing elements in the listing of ipset bitmap ip,mac set
type with timeout support enabled, from Jozsef Kadlecsik.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
A few stragglers hoping for 3.9, somewhat delayed due to my travels...
On the mac80211 bits, Johannes says:
"Sadly, I have another pull request -- the idle handling fix broke LED
handling in some cases."
and:
"Yet one more!
This fixes a fairly important/annoying bug -- when roaming between
multiple APs of the same network, the system could get stuck thinking it
was connected to the old one while it really wasn't."
On top of that...
Arend sends a brcmfmac patch that removes advertising a feature that
isn't actually fully supported, and a brcmsmac patch that rearranges
code to request firmware at IFF_UP to play more nicely with being
built into the kernel.
Felix gives us a minor ath9k_htc fix to support the newly released
open source firmware, and an ath9k_hw initvals fix to improve device
stability.
Rafał Miłecki provides a fix for an ssb regression that caused a
serious performance problem with b43.
Zefir Kurtisi offers an ath9k fix to change some kmalloc flags to
allow the DFS detector to be called in softirq context.
Please let me know if there are problems. If these don't make 3.9,
I'll just pull them into wireless-next -- just let me know if you
want to do it that way!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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commit bd090dfc634d (tcp: tcp_replace_ts_recent() should not be called
from tcp_validate_incoming()) introduced a TS ecr bug in slow path
processing.
1 A > B P. 1:10001(10000) ack 1 <nop,nop,TS val 1001 ecr 200>
2 B < A . 1:1(0) ack 1 win 257 <sack 9001:10001,TS val 300 ecr 1001>
3 A > B . 1:1001(1000) ack 1 win 227 <nop,nop,TS val 1002 ecr 200>
4 A > B . 1001:2001(1000) ack 1 win 227 <nop,nop,TS val 1002 ecr 200>
(ecr 200 should be ecr 300 in packets 3 & 4)
Problem is tcp_ack() can trigger send of new packets (retransmits),
reflecting the prior TSval, instead of the TSval contained in the
currently processed incoming packet.
Fix this by calling tcp_replace_ts_recent() from tcp_ack() after the
checks, but before the actions.
Reported-by: Yuchung Cheng <ycheng@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Alex Efros reported rpfilter module doesn't match following packets:
IN=br.qemu SRC=192.168.2.1 DST=192.168.2.255 [ .. ]
(netfilter bugzilla #814).
Problem is that network stack arranges for the locally generated broadcasts
to appear on the interface they were sent out, so the IFF_LOOPBACK check
doesn't trigger.
As -m rpfilter is restricted to PREROUTING, we can check for existing
rtable instead, it catches locally-generated broad/multicast case, too.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The type when timeout support was enabled, could not list all elements,
just the first ones which could fit into one netlink message: it just
did not continue listing after the first message.
Reported-by: Yoann JUET <yoann.juet@univ-nantes.fr>
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Tested-by: Yoann JUET <yoann.juet@univ-nantes.fr>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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Included changes:
- fix MAC address check in case of multiple mesh interfaces
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jesse/openvswitch
Jesse Gross says:
====================
Two small bug fixes for net/3.9 including the issue previously
discussed where allocation of netlink notifications can fail after
changes have been committed.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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On a multi-mesh node (a node running more than one batman-adv
virtual interface) batadv_is_my_mac() has to check MAC
addresses of hard interfaces belonging to the current mesh
only.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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Commit 4a94445c9a5c (net: Use ip_route_input_noref() in input path)
added a bug in IP defragmentation handling, as non refcounted
dst could escape an RCU protected section.
Commit 64f3b9e203bd068 (net: ip_expire() must revalidate route) fixed
the case of timeouts, but not the general problem.
Tom Parkin noticed crashes in UDP stack and provided a patch,
but further analysis permitted us to pinpoint the root cause.
Before queueing a packet into a frag list, we must drop its dst,
as this dst has limited lifetime (RCU protected)
When/if a packet is finally reassembled, we use the dst of the very
last skb, still protected by RCU and valid, as the dst of the
reassembled packet.
Use same logic in IPv6, as there is no need to hold dst references.
Reported-by: Tom Parkin <tparkin@katalix.com>
Tested-by: Tom Parkin <tparkin@katalix.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix to return a negative error code from the error handling
case instead of 0, as returned elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Keep a STP port path cost value if it was set by a user.
Don't replace it with the link-speed based path cost
whenever the link goes down and comes back up.
Reported-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Tomas reported the following build error:
net/built-in.o: In function `ieee80211_unregister_hw':
(.text+0x10f0e1): undefined reference to `unregister_inet6addr_notifier'
net/built-in.o: In function `ieee80211_register_hw':
(.text+0x10f610): undefined reference to `register_inet6addr_notifier'
make: *** [vmlinux] Error 1
when built IPv6 as a module.
So we have to statically link these symbols.
Reported-by: Tomas Melin <tomas.melin@iki.fi>
Cc: Tomas Melin <tomas.melin@iki.fi>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: YOSHIFUJI Hidaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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(Adapted from a very similar change to net/802/garp.c by Cong Wang.)
mrp_pdu_queue() should ways be called with the applicant spin lock.
mrp_uninit_applicant() only holds the rtnl lock which is not enough;
a race is possible because mrp_rcv() is called in BH context:
mrp_rcv()
|->mrp_pdu_parse_msg()
|->mrp_pdu_parse_vecattr()
|->mrp_pdu_parse_vecattr_event()
|-> mrp_attr_event()
|-> mrp_pdu_append_vecattr_event()
|-> mrp_pdu_queue()
Cc: Cong Wang <amwang@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David Ward <david.ward@ll.mit.edu>
Acked-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf into netfilter
Pablo Neira Ayuso says:
====================
The following patchset contains late netfilter fixes for your net
tree, they are:
* Don't drop segmented TCP packets in the SIP helper, we've got reports
from users that this was breaking communications when the SIP phone
messages are larger than the MTU, from Patrick McHardy.
* Fix refcount leak in the ipset list set, from Jozsef Kadlecsik.
* On hash set resizing, the nomatch flag was lost, thus entirely inverting
the logic of the set matching, from Jozsef Kadlecsik.
* Fix crash on NAT modules removal. Timer expiration may race with the
module cleanup exit path while deleting conntracks, from Florian
Westphal.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://x-git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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following oops was reported:
RIP: 0010:[<ffffffffa03227f2>] [<ffffffffa03227f2>] nf_nat_cleanup_conntrack+0x42/0x70 [nf_nat]
RSP: 0018:ffff880202c63d40 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff8801ac7bec28 RCX: ffff8801d0eedbe0
RDX: dead000000200200 RSI: 0000000000000011 RDI: ffffffffa03265b8
[..]
Call Trace:
[..]
[<ffffffffa02febed>] destroy_conntrack+0xbd/0x110 [nf_conntrack]
Happens when a conntrack timeout expires right after first part
of the nat cleanup has completed (bysrc hash removal), but before
part 2 has completed (re-initialization of nat area).
[ destroy callback tries to delete bysrc again ]
Patrick suggested to just remove the affected conntracks -- the
connections won't work properly anyway without nat transformation.
So, lets do that.
Reported-by: CAI Qian <caiqian@redhat.com>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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If a TCP retransmission gets partially ACKed and collapsed multiple
times it is possible for the headroom to grow beyond 64K which will
overflow the 16bit skb->csum_start which is based on the start of
the headroom. It has been observed rarely in the wild with IPoIB due
to the 64K MTU.
Verify if the acking and collapsing resulted in a headroom exceeding
what csum_start can cover and reallocate the headroom if so.
A big thank you to Jim Foraker <foraker1@llnl.gov> and the team at
LLNL for helping out with the investigation and testing.
Reported-by: Jim Foraker <foraker1@llnl.gov>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a bug in cookie_v4_check (net/ipv4/syncookies.c):
flowi4_init_output(&fl4, 0, sk->sk_mark, RT_CONN_FLAGS(sk),
RT_SCOPE_UNIVERSE, IPPROTO_TCP,
inet_sk_flowi_flags(sk),
(opt && opt->srr) ? opt->faddr : ireq->rmt_addr,
ireq->loc_addr, th->source, th->dest);
Here we do not respect sk->sk_bound_dev_if, therefore wrong dst_entry may be
taken. This dst_entry is used by new socket (get_cookie_sock ->
tcp_v4_syn_recv_sock), so its packets may take the wrong path.
Signed-off-by: Dmitry Popov <dp@highloadlab.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
1) cfg80211_conn_scan() must be called with the sched_scan_mutex, fix
from Artem Savkov.
2) Fix regression in TCP ICMPv6 processing, we do not want to treat
redirects as socket errors, from Christoph Paasch.
3) Fix several recvmsg() msg_name kernel memory leaks into userspace,
in ATM, AX25, Bluetooth, CAIF, IRDA, s390 IUCV, L2TP, LLC, Netrom,
NFC, Rose, TIPC, and VSOCK. From Mathias Krause and Wei Yongjun.
4) Fix AF_IUCV handling of segmented SKBs in recvmsg(), from Ursula
Braun and Eric Dumazet.
5) CAN gw.c code does kfree() on SLAB cache memory, use
kmem_cache_free() instead. Fix from Wei Yongjun.
6) Fix LSM regression on TCP SYN/ACKs, some LSMs such as SELINUX want
an skb->sk socket context available for these packets, but nothing
else requires it. From Eric Dumazet and Paul Moore.
7) Fix ipv4 address lifetime processing so that we don't perform
sleepable acts inside of rcu_read_lock() sections, do them in an
rtnl_lock() section instead. From Jiri Pirko.
8) mvneta driver accidently sets HW features after device registry, it
should do so beforehand. Fix from Willy Tarreau.
9) Fix bonding unload races more correctly, from Nikolay Aleksandrov
and Veaceslav Falico.
10) rtnl_dump_ifinfo() and rtnl_calcit() invoke nlmsg_parse() with wrong
header size argument. Fix from Michael Riesch.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (44 commits)
lsm: add the missing documentation for the security_skb_owned_by() hook
bnx2x: Prevent null pointer dereference in AFEX mode
e100: Add dma mapping error check
selinux: add a skb_owned_by() hook
can: gw: use kmem_cache_free() instead of kfree()
netrom: fix invalid use of sizeof in nr_recvmsg()
qeth: fix qeth_wait_for_threads() deadlock for OSN devices
af_iucv: fix recvmsg by replacing skb_pull() function
rtnetlink: Call nlmsg_parse() with correct header length
bonding: fix bonding_masters race condition in bond unloading
Revert "bonding: remove sysfs before removing devices"
net: mvneta: enable features before registering the driver
hyperv: Fix RNDIS send_completion code path
hyperv: Fix a kernel warning from netvsc_linkstatus_callback()
net: ipv4: fix schedule while atomic bug in check_lifetime()
net: ipv4: reset check_lifetime_work after changing lifetime
bnx2x: Fix KR2 rapid link flap
sctp: remove 'sridhar' from maintainers list
VSOCK: Fix missing msg_namelen update in vsock_stream_recvmsg()
VSOCK: vmci - fix possible info leak in vmci_transport_dgram_dequeue()
...
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If authentication (or association with FT) is requested by
userspace, mac80211 currently doesn't tell cfg80211 that it
disconnected from the AP. That leaves inconsistent state:
cfg80211 thinks it's connected while mac80211 thinks it's
not. Typically this won't last long, as soon as mac80211
reports the new association to cfg80211 the old one goes
away. If, however, the new authentication or association
doesn't succeed, then cfg80211 will forever think the old
one still exists and will refuse attempts to authenticate
or associate with the AP it thinks it's connected to.
Anders reported that this leads to it taking a very long
time to reconnect to a network, or never even succeeding.
I tested this with an AP hacked to never respond to auth
frames, and one that works, and with just those two the
system never recovers because one won't work and cfg80211
thinks it's connected to the other so refuses connections
to it.
To fix this, simply make mac80211 tell cfg80211 when it is
no longer connected to the old AP, while authenticating or
associating to a new one.
Cc: stable@vger.kernel.org
Reported-by: Anders Kaseorg <andersk@mit.edu>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Pull NFS client bugfixes from Trond Myklebust:
- fix for memory corruption issues in nfs4[01]_walk_client_list (stable)
- fix for an Oopsable bug in rpc_clone_client (stable)
- another state manager deadlock in the NFSv4 open code
- memory leaks in nfs4_discover_server_trunking and rpc_new_client
* tag 'nfs-for-3.9-4' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFSv4: Fix another potential state manager deadlock
SUNRPC: Fix a potential memory leak in rpc_new_client
NFSv4/4.1: Fix bugs in nfs4[01]_walk_client_list
NFSv4: Fix a memory leak in nfs4_discover_server_trunking
SUNRPC: Remove extra xprt_put()
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If a resize is triggered the nomatch flag is not excluded at hashing,
which leads to the element missed at lookup in the resized set.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The last element can be replaced or pushed off and in both
cases the reference counter must be updated.
Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Marc Kleine-Budde says:
====================
here's a fix for the v3.9 release cycle, if not too late:
Wei Yongjun contributes a patch for the can-gw protocoll. The patch fixes the
memory allocated with kmem_cache_alloc(), is now freed using kmem_cache_free(),
not kfree().
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 90ba9b1986b5ac (tcp: tcp_make_synack() can use alloc_skb())
broke certain SELinux/NetLabel configurations by no longer correctly
assigning the sock to the outgoing SYNACK packet.
Cost of atomic operations on the LISTEN socket is quite big,
and we would like it to happen only if really needed.
This patch introduces a new security_ops->skb_owned_by() method,
that is a void operation unless selinux is active.
Reported-by: Miroslav Vadkerti <mvadkert@redhat.com>
Diagnosed-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-security-module@vger.kernel.org
Acked-by: James Morris <james.l.morris@oracle.com>
Tested-by: Paul Moore <pmoore@redhat.com>
Acked-by: Paul Moore <pmoore@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Memory allocated by kmem_cache_alloc() should be freed using
kmem_cache_free(), not kfree().
Cc: linux-stable <stable@vger.kernel.org> # >= v3.2
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
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sizeof() when applied to a pointer typed expression gives the size of the
pointer, not that of the pointed data.
Introduced by commit 3ce5ef(netrom: fix info leak via msg_name in nr_recvmsg)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When receiving data messages, the "BUG_ON(skb->len < skb->data_len)" in
the skb_pull() function triggers a kernel panic.
Replace the skb_pull logic by a per skb offset as advised by
Eric Dumazet.
Signed-off-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Michael Riesch <michael.riesch@omicron.at>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Benc <jbenc@redhat.com>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: linux-kernel@vger.kernel.org
Acked-by: Mark Rustad <mark.d.rustad@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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move might_sleep operations out of the rcu_read_lock() section.
Also fix iterating over ifa_dev->ifa_list
Introduced by: commit 5c766d642bcaf "ipv4: introduce address lifetime"
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
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