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mac80211 and the Intel drivers all define crypto
constants, move them to ieee80211.h instead.
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When an HT AP is advertising channel switch in a beacon, it
doesn't (and shouldn't, according to 802.11-2012 Table 8-20)
include a secondary channel offset element. The only possible
interpretation is that the previous secondary channel offset
remains valid, so use that when switching channel based only
on beacon information.
VHT requires the Wide Bandwidth Channel Switch subelement to
be present in the Channel Switch Wrapper element, so the code
for that is probably ok (see 802.11ac Draft 4, 8.4.2.165.)
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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To support auto-loading of wireless modules from netlink users, add module
alias for nl80211 family.
This also adds NL80211_GENL_NAME constant to define the "nl80211" netlink
family name as part of uapi.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Add regulatory class for 60GHz band, according
to the last specification.
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
[fix unit documentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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The code sending the current WoWLAN TCP wakeup settings in
nl80211_send_wowlan_tcp() is not closing the nested attribute,
thus causing the parser to get confused on the receiver side
in userspace (iw). Fix this.
Cc: stable@vger.kernel.org [3.9]
Reported-by: Deepak Arora <deepakx.arora@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Even if the frame isn't transmitted to the AP, we need to
report it to cfg80211 so the state there can be updated
correctly.
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When the interface goes down, there's no need to call
cfg80211_mlme_down() after __cfg80211_disconnect() as
the latter will call the former (if appropriate.)
Also, in __cfg80211_disconnect(), if the cfg80211 SME
isn't used, __cfg80211_disconnected() may still need
to be called (depending on the current state) so that
the SME state gets cleared.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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In AP mode, ignore frames with mis-matched BSSID that aren't
multicast or sent to the correct destination. This fixes
reporting public action frames to userspace multiple times
on multiple virtual AP interfaces.
Cc: stable@vger.kernel.org
Reported-by: Jouni Malinen <j@w1.fi>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Adding the attributes fixes an issue with P2P Device not
working properly for management frame TX.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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ieee80211_get_tkip_p2k() may be called with interrupts
disabled, so spin_unlock_bh() isn't safe and leads to
warnings. Since it's always called with BHs disabled
already, just use spin_lock().
Cc: stable@vger.kernel.org
Reported-by: Milan Kocian <milon@wq.cz>
Acked-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Document rx vs tx status concurrency requirements.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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When an HT AP is advertising channel switch in a beacon, it
doesn't (and shouldn't, according to 802.11-2012 Table 8-20)
include a secondary channel offset element. The only possible
interpretation is that the previous secondary channel offset
remains valid, so use that when switching channel based only
on beacon information.
VHT requires the Wide Bandwidth Channel Switch subelement to
be present in the Channel Switch Wrapper element, so the code
for that is probably ok (see 802.11ac Draft 4, 8.4.2.165.)
Reported-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Since commit 12e7f517029dad819c45eca9ca01fdb9ba57616b,
IEEE80211_SDATA_DISCONNECT_RESUME no longer worked as
it would simply never be tested. Restore a bit of the
code removed there and in 9b7d72c1041ec5b20b24af487a9
to make it work again.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If the device reports a non-wireless wakeup reason, the
tracing code crashes trying to dereference a NULL pointer.
Fix this by checking the pointer on all accesses and also
add a non_wireless tag to the event.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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If rfkill_register() fails in wiphy_register() the struct device
is unregistered but everything else isn't (regulatory, debugfs)
and we even leave the wiphy instance on all internal lists even
though it will likely be freed soon, which is clearly a problem.
Fix this by cleaning up properly.
Cc: stable@vger.kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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This target assumes that tcph->doff is well-formed, that may be well
not the case. Add extra sanity checkings to avoid possible crash due
to read/write out of the real packet boundary. After this patch, the
default action on malformed TCP packets is to drop them. Moreover,
fragments are skipped.
Reported-by: Rafal Kupka <rkupka@telemetry.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This seems to have been overlooked when we did the namespace
conversion. If a container is running a legacy version of rpc.gssd
then it will be disrupted if the global 'pipe_version' is set by a
container running the new version of rpc.gssd.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Recent changes to the NFS security flavour negotiation mean that
we have a stronger dependency on rpc.gssd. If the latter is not
running, because the user failed to start it, then we time out
and mark the container as not having an instance. We then
use that information to time out faster the next time.
If, on the other hand, the rpc.gssd successfully binds to an rpc_pipe,
then we mark the container as having an rpc.gssd instance.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fixes from Sage Weil:
"Yes, this is a much larger pull than I would like after -rc1. There
are a few things included:
- a few fixes for leaks and incorrect assertions
- a few patches fixing behavior when mapped images are resized
- handling for cloned/layered images that are flattened out from
underneath the client
The last bit was non-trivial, and there is some code movement and
associated cleanup mixed in. This was ready and was meant to go in
last week but I missed the boat on Friday. My only excuse is that I
was waiting for an all clear from the testing and there were many
other shiny things to distract me.
Strictly speaking, handling the flatten case isn't a regression and
could wait, so if you like we can try to pull the series apart, but
Alex and I would much prefer to have it all in as it is a case real
users will hit with 3.10."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (33 commits)
rbd: re-submit flattened write request (part 2)
rbd: re-submit write request for flattened clone
rbd: re-submit read request for flattened clone
rbd: detect when clone image is flattened
rbd: reference count parent requests
rbd: define parent image request routines
rbd: define rbd_dev_unparent()
rbd: don't release write request until necessary
rbd: get parent info on refresh
rbd: ignore zero-overlap parent
rbd: support reading parent page data for writes
rbd: fix parent request size assumption
libceph: init sent and completed when starting
rbd: kill rbd_img_request_get()
rbd: only set up watch for mapped images
rbd: set mapping read-only flag in rbd_add()
rbd: support reading parent page data
rbd: fix an incorrect assertion condition
rbd: define rbd_dev_v2_header_info()
rbd: get rid of trivial v1 header wrappers
...
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If wait_event_interruptible_timeout() is successful, it returns
the number of seconds remaining until the timeout. In that
case, we should be retrying the upcall.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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XPRT_BOUND is set on server backchannel xprts by xs_setup_bc_tcp()
(using xprt_set_bound()), and is never cleared, so ->rpcbind() will
never need to be called.
Reported-by: "Myklebust, Trond" <Trond.Myklebust@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Since (69b34fb netfilter: xt_LOG: add net namespace support
for xt_LOG), we hit this:
[ 4224.708977] BUG: unable to handle kernel NULL pointer dereference at 0000000000000388
[ 4224.709074] IP: [<ffffffff8147f699>] ipt_log_packet+0x29/0x270
when callling log functions from conntrack both in and out
are NULL i.e. the net pointer is invalid.
Adding struct net *net in call to nf_logfn() will secure that
there always is a vaild net ptr.
Reported as netfilter's bugzilla bug 818:
https://bugzilla.netfilter.org/show_bug.cgi?id=818
Reported-by: Ronald <ronald645@gmail.com>
Signed-off-by: Hans Schillstrom <hans@schillstrom.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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commit fb745e9a037895 ("net/802/mrp: fix possible race condition when
calling mrp_pdu_queue()") introduced a lockdep splat.
[ 19.735147] =================================
[ 19.735235] [ INFO: inconsistent lock state ]
[ 19.735324] 3.9.2-build-0063 #4 Not tainted
[ 19.735412] ---------------------------------
[ 19.735500] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage.
[ 19.735592] rmmod/1840 [HC0[0]:SC0[0]:HE1:SE1] takes:
[ 19.735682] (&(&app->lock)->rlock#2){+.?...}, at: [<f862bb5b>]
mrp_uninit_applicant+0x69/0xba [mrp]
app->lock is normally taken under softirq context, so disable BH to
avoid the splat.
Reported-by: Denys Fedoryshchenko <denys@visp.net.lb>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: David Ward <david.ward@ll.mit.edu>
Cc: Cong Wang <amwang@redhat.com>
Tested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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TCP md5 communications fail [1] for some devices, because sg/crypto code
assume page offsets are below PAGE_SIZE.
This was discovered using mlx4 driver [2], but I suspect loopback
might trigger the same bug now we use order-3 pages in tcp_sendmsg()
[1] Failure is giving following messages.
huh, entered softirq 3 NET_RX ffffffff806ad230 preempt_count 00000100,
exited with 00000101?
[2] mlx4 driver uses order-2 pages to allocate RX frags
Reported-by: Matt Schnall <mischnal@google.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Bernhard Beck <bbeck@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull networking fixes from David Miller:
"Several small bug fixes all over:
1) be2net driver uses wrong payload length when submitting MAC list
get requests to the chip. From Sathya Perla.
2) Fix mwifiex memory leak on driver unload, from Amitkumar Karwar.
3) Prevent random memory access in batman-adv, from Marek Lindner.
4) batman-adv doesn't check for pskb_trim_rcsum() errors, also from
Marek Lindner.
5) Fix fec crashes on rapid link up/down, from Frank Li.
6) Fix inner protocol grovelling in GSO, from Pravin B Shelar.
7) Link event validation fix in qlcnic from Rajesh Borundia.
8) Not all FEC chips can support checksum offload, fix from Shawn
Guo.
9) EXPORT_SYMBOL + inline doesn't make any sense, from Denis Efremov.
10) Fix race in passthru mode during device removal in macvlan, from
Jiri Pirko.
11) Fix RCU hash table lookup socket state race in ipv6, leading to
NULL pointer derefs, from Eric Dumazet.
12) Add several missing HAS_DMA kconfig dependencies, from Geert
Uyttterhoeven.
13) Fix bogus PCI resource management in 3c59x driver, from Sergei
Shtylyov.
14) Fix info leak in ipv6 GRE tunnel driver, from Amerigo Wang.
15) Fix device leak in ipv6 IPSEC policy layer, from Cong Wang.
16) DMA mapping leak fix in qlge from Thadeu Lima de Souza Cascardo.
17) Missing iounmap on probe failure in bna driver, from Wei Yongjun."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (40 commits)
bna: add missing iounmap() on error in bnad_init()
qlge: fix dma map leak when the last chunk is not allocated
xfrm6: release dev before returning error
ipv6,gre: do not leak info to user-space
virtio_net: use default napi weight by default
emac: Fix EMAC soft reset on 460EX/GT
3c59x: fix PCI resource management
caif: CAIF_VIRTIO should depend on HAS_DMA
net/ethernet: MACB should depend on HAS_DMA
net/ethernet: ARM_AT91_ETHER should depend on HAS_DMA
net/wireless: ATH9K should depend on HAS_DMA
net/ethernet: STMMAC_ETH should depend on HAS_DMA
net/ethernet: NET_CALXEDA_XGMAC should depend on HAS_DMA
ipv6: do not clear pinet6 field
macvlan: fix passthru mode race between dev removal and rx path
ipv4: ip_output: remove inline marking of EXPORT_SYMBOL functions
net/mlx4: Strengthen VLAN tags/priorities enforcement in VST mode
net/mlx4_core: Add missing report on VST and spoof-checking dev caps
net: fec: enable hardware checksum only on imx6q-fec
qlcnic: Fix validation of link event command.
...
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The rbd code has a need to be able to restart an osd request that
has already been started and completed once before. This currently
wouldn't work right because the osd client code assumes an osd
request will be started exactly once Certain fields in a request
are never cleared and this leads to trouble if you try to reuse it.
Specifically, the r_sent, r_got_reply, and r_completed fields are
never cleared. The r_sent field records the osd incarnation at the
time the request was sent to that osd. If that's non-zero, the
message won't get re-mapped to a target osd properly, and won't be
put on the unsafe requests list the first time it's sent as it
should. The r_got_reply field is used in handle_reply() to ensure
the reply to a request is processed only once. And the r_completed
field is used for lingering requests to avoid calling the callback
function every time the osd client re-sends the request on behalf of
its initiator.
Each osd request passes through ceph_osdc_start_request() when
responsibility for the request is handed over to the osd client for
completion. We can safely zero these three fields there each time a
request gets started.
One last related change--clear the r_linger flag when a request
is no longer registered as a linger request.
This resolves:
http://tracker.ceph.com/issues/5026
Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Josh Durgin <josh.durgin@inktank.com>
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This should return zero on success and -EBUSY on error so the type
needs to be int instead of bool.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Avoid waking up every thread sleeping in read call on an AF_UNIX
socket during suspend and resume by calling a freezable blocking
call. Previous patches modified the freezer to avoid sending
wakeups to threads that are blocked in freezable blocking calls.
This call was selected to be converted to a freezable call because
it doesn't hold any locks or release any resources when interrupted
that might be needed by another freezing task or a kernel driver
during suspend, and is a common site where idle userspace tasks are
blocked.
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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NFS calls the freezable helpers with locks held, which is unsafe
and will cause lockdep warnings when 6aa9707 "lockdep: check
that no locks held at freeze time" is reapplied (it was reverted
in dbf520a). NFS shouldn't be doing this, but it has
long-running syscalls that must hold a lock but also shouldn't
block suspend. Until NFS freeze handling is rewritten to use a
signal to exit out of the critical section, add new *_unsafe
versions of the helpers that will not run the lockdep test when
6aa9707 is reapplied, and call them from NFS.
In practice the likley result of holding the lock while freezing
is that a second task blocked on the lock will never freeze,
aborting suspend, but it is possible to manufacture a case using
the cgroup freezer, the lock, and the suspend freezer to create
a deadlock. Silencing the lockdep warning here will allow
problems to be found in other drivers that may have a more
serious deadlock risk, and prevent new problems from being added.
Signed-off-by: Colin Cross <ccross@android.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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We forget to call dev_put() on error path in xfrm6_fill_dst(),
its caller doesn't handle this.
Cc: Herbert Xu <herbert@gondor.apana.org.au>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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There is a hole in struct ip6_tnl_parm2, so we have to
zero the struct on stack before copying it to user-space.
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We have seen multiple NULL dereferences in __inet6_lookup_established()
After analysis, I found that inet6_sk() could be NULL while the
check for sk_family == AF_INET6 was true.
Bug was added in linux-2.6.29 when RCU lookups were introduced in UDP
and TCP stacks.
Once an IPv6 socket, using SLAB_DESTROY_BY_RCU is inserted in a hash
table, we no longer can clear pinet6 field.
This patch extends logic used in commit fcbdf09d9652c891
("net: fix nulls list corruptions in sk_prot_alloc")
TCP/UDP/UDPLite IPv6 protocols provide their own .clear_sk() method
to make sure we do not clear pinet6 field.
At socket clone phase, we do not really care, as cloning the parent (non
NULL) pinet6 is not adding a fatal race.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Included changes:
- fix parsing of user typed protocol string to avoid random memory access in
some cases
- check pskb_trim_rcsum() return value
- prevent DAT from sending ARP replies when not needed
- reorder the main clean up routine to prevent race conditions
Signed-off-by: David S. Miller <davem@davemloft.net>
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EXPORT_SYMBOL and inline directives are contradictory to each other.
The patch fixes this inconsistency.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Denis Efremov <yefremov.denis@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull audit changes from Eric Paris:
"Al used to send pull requests every couple of years but he told me to
just start pushing them to you directly.
Our touching outside of core audit code is pretty straight forward. A
couple of interface changes which hit net/. A simple argument bug
calling audit functions in namei.c and the removal of some assembly
branch prediction code on ppc"
* git://git.infradead.org/users/eparis/audit: (31 commits)
audit: fix message spacing printing auid
Revert "audit: move kaudit thread start from auditd registration to kaudit init"
audit: vfs: fix audit_inode call in O_CREAT case of do_last
audit: Make testing for a valid loginuid explicit.
audit: fix event coverage of AUDIT_ANOM_LINK
audit: use spin_lock in audit_receive_msg to process tty logging
audit: do not needlessly take a lock in tty_audit_exit
audit: do not needlessly take a spinlock in copy_signal
audit: add an option to control logging of passwords with pam_tty_audit
audit: use spin_lock_irqsave/restore in audit tty code
helper for some session id stuff
audit: use a consistent audit helper to log lsm information
audit: push loginuid and sessionid processing down
audit: stop pushing loginid, uid, sessionid as arguments
audit: remove the old depricated kernel interface
audit: make validity checking generic
audit: allow checking the type of audit message in the user filter
audit: fix build break when AUDIT_DEBUG == 2
audit: remove duplicate export of audit_enabled
Audit: do not print error when LSMs disabled
...
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Pull nfsd fixes from Bruce Fields:
"Small fixes for two bugs and two warnings"
* 'for-3.10' of git://linux-nfs.org/~bfields/linux:
nfsd: fix oops when legacy_recdir_name_error is passed a -ENOENT error
SUNRPC: fix decoding of optional gss-proxy xdr fields
SUNRPC: Refactor gssx_dec_option_array() to kill uninitialized warning
nfsd4: don't allow owner override on 4.1 CLAIM_FH opens
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Pull more NFS client bugfixes from Trond Myklebust:
- Ensure that we match the 'sec=' mount flavour against the server list
- Fix the NFSv4 byte range locking in the presence of delegations
- Ensure that we conform to the NFSv4.1 spec w.r.t. freeing lock
stateids
- Fix a pNFS data server connection race
* tag 'nfs-for-3.10-2' of git://git.linux-nfs.org/projects/trondmy/linux-nfs:
NFS4.1 Fix data server connection race
NFSv3: match sec= flavor against server list
NFSv4.1: Ensure that we free the lock stateid on the server
NFSv4: Convert nfs41_free_stateid to use an asynchronous RPC call
SUNRPC: Don't spam syslog with "Pseudoflavor not found" messages
NFSv4.x: Fix handling of partially delegated locks
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nc_worker accesses the originator table during its periodic
work, but since the originator table is freed before
stopping the worker this leads to a global protection fault.
Fix this by killing the worker (in nc_free) before freeing
the originator table.
Moreover tidy up the entire clean up routine by running all
the subcomponents freeing procedures first and then killing
the TT and the originator tables at the end.
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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In the outgoing ARP request snooping routine in DAT, ARP
Request sent by local clients which are supposed to be
replied by other local clients can be silently dropped.
The destination host will reply by itself through the LAN
and therefore there is no need to involve DAT.
Reported-by: Carlos Quijano <carlos@crqgestion.es>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Tested-by: Carlos Quijano <carlos@crqgestion.es>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
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Reported-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Acked-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
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batadv_param_set_ra() strips the trailing '\n' from the supplied
string buffer without checking the length of the buffer first. This
patches avoids random memory access and associated potential
crashes.
Reported-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
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Rather than having logic to calculate inner protocol in every
tunnel gso handler move it to gso code. This simplifies code.
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Cong Wang <amwang@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The current code works, but sort of by accident: it obviously didn't
intend the error return to be interpreted as "true".
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
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Pull networking fixes from David Miller:
"Just a small pile of fixes"
1) Fix race conditions in IP fragmentation LRU list handling, from
Konstantin Khlebnikov.
2) vfree() is no longer verboten in interrupts, so deferring is
pointless, from Al Viro.
3) Conversion from mutex to semaphore in netpoll left trylock test
inverted, caught by Dan Carpenter.
4) 3c59x uses wrong base address when releasing regions, from Sergei
Shtylyov.
5) Bounds checking in TIPC from Dan Carpenter.
6) Fastopen cookies should not be expired as aggressively as other TCP
metrics. From Eric Dumazet.
7) Fix retrieval of MAC address in ibmveth, from Ben Herrenschmidt.
8) Don't use "u16" in virtio user headers, from Stephen Hemminger
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
tipc: potential divide by zero in tipc_link_recv_fragment()
tipc: add a bounds check in link_recv_changeover_msg()
net/usb: new driver for RTL8152
3c59x: fix freeing nonexistent resource on driver unload
netpoll: inverted down_trylock() test
rps_dev_flow_table_release(): no need to delay vfree()
fib_trie: no need to delay vfree()
net: frag, fix race conditions in LRU list maintenance
tcp: do not expire TCP fastopen cookies
net/eth/ibmveth: Fixup retrieval of MAC address
virtio: don't expose u16 in userspace api
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The worry here is that fragm_sz could be zero since it comes from
skb->data.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bearer_id here comes from skb->data and it can be a number from 0 to
7. The problem is that the ->links[] array has only 2 elements so I
have added a range check.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
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
Pull Ceph changes from Alex Elder:
"This is a big pull.
Most of it is culmination of Alex's work to implement RBD image
layering, which is now complete (yay!).
There is also some work from Yan to fix i_mutex behavior surrounding
writes in cephfs, a sync write fix, a fix for RBD images that get
resized while they are mapped, and a few patches from me that resolve
annoying auth warnings and fix several bugs in the ceph auth code."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (254 commits)
rbd: fix image request leak on parent read
libceph: use slab cache for osd client requests
libceph: allocate ceph message data with a slab allocator
libceph: allocate ceph messages with a slab allocator
rbd: allocate image object names with a slab allocator
rbd: allocate object requests with a slab allocator
rbd: allocate name separate from obj_request
rbd: allocate image requests with a slab allocator
rbd: use binary search for snapshot lookup
rbd: clear EXISTS flag if mapped snapshot disappears
rbd: kill off the snapshot list
rbd: define rbd_snap_size() and rbd_snap_features()
rbd: use snap_id not index to look up snap info
rbd: look up snapshot name in names buffer
rbd: drop obj_request->version
rbd: drop rbd_obj_method_sync() version parameter
rbd: more version parameter removal
rbd: get rid of some version parameters
rbd: stop tracking header object version
rbd: snap names are pointer to constant data
...
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The return value is reversed from mutex_trylock().
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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