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Packets to devices without NETIF_F_SCTP_CSUM (including NETIF_F_NO_CSUM)
should be properly checksummed because the packets can be diverted or
rerouted after construction. This still leaves packets diverted from
NETIF_F_SCTP_CSUM-enabled devices with broken checksums. Fixing this
needs implementing software offload fallback in networking core.
For users of sctp_checksum_disable, skb->ip_summed should be left as
CHECKSUM_NONE and not CHECKSUM_UNNECESSARY as per include/linux/skbuff.h.
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
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:
SUNRPC: Fix use of static variable in rpcb_getport_async
NFSv4.1: update nfs4_fattr_bitmap_maxsz
SUNRPC: Fix a race between work-queue and rpc_killall_tasks
pnfs: write: Set mds_offset in the generic layer - it is needed by all LDs
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Because struct rpcbind_args *map was declared static, if two
threads entered this method at the same time, the values
assigned to map could be sent two two differen tasks.
This could cause all sorts of problems, include use-after-free
and double-free of memory.
Fix this by removing the static declaration so that the map
pointer is on the stack.
Signed-off-by: Ben Greear <greearb@candelatech.com>
Cc: stable@kernel.org
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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closing socket
Trigger user ABORT if application closes a socket which has data
queued on the socket receive queue or chunks waiting on the
reassembly or ordering queue as this would imply data being lost
which defeats the point of a graceful shutdown.
This behavior is already practiced in TCP.
We do not check the input queue because that would mean to parse
all chunks on it to look for unacknowledged data which seems too
much of an effort. Control chunks or duplicated chunks may also
be in the input queue and should not be stopping a graceful
shutdown.
Signed-off-by: Thomas Graf <tgraf@infradead.org>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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Upon "ip xfrm state update ..", xfrm_add_sa() takes an extra reference on
the user-supplied SA and forgets to drop the reference when
xfrm_state_update() returns 0. This leads to a memory leak as the
parameter SA is never freed. This change attempts to fix the leak by
calling __xfrm_state_put() when xfrm_state_update() updates a valid SA
(err = 0). The parameter SA is added to the gc list when the final
reference is dropped by xfrm_add_sa() upon completion.
Signed-off-by: Tushar Gohad <tgohad@mvista.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem
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Since rpc_killall_tasks may modify the rpc_task's tk_action field
without any locking, we need to be careful when dereferencing it.
Reported-by: Ben Greear <greearb@candelatech.com>
Tested-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@kernel.org
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When initiating a graceful shutdown while having data chunks
on the retransmission queue with a peer which is in zero
window mode the shutdown is never completed because the
retransmission error count is reset periodically by the
following two rules:
- Do not timeout association while doing zero window probe.
- Reset overall error count when a heartbeat request has
been acknowledged.
The graceful shutdown will wait for all outstanding TSN to
be acknowledged before sending the SHUTDOWN request. This
never happens due to the peer's zero window not acknowledging
the continuously retransmitted data chunks. Although the
error counter is incremented for each failed retransmission,
the receiving of the SACK announcing the zero window clears
the error count again immediately. Also heartbeat requests
continue to be sent periodically. The peer acknowledges these
requests causing the error counter to be reset as well.
This patch changes behaviour to only reset the overall error
counter for the above rules while not in shutdown. After
reaching the maximum number of retransmission attempts, the
T5 shutdown guard timer is scheduled to give the receiver
some additional time to recover. The timer is stopped as soon
as the receiver acknowledges any data.
The issue can be easily reproduced by establishing a sctp
association over the loopback device, constantly queueing
data at the sender while not reading any at the receiver.
Wait for the window to reach zero, then initiate a shutdown
by killing both processes simultaneously. The association
will never be freed and the chunks on the retransmission
queue will be retransmitted indefinitely.
Signed-off-by: Thomas Graf <tgraf@infradead.org>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (31 commits)
sctp: fix missing send up SCTP_SENDER_DRY_EVENT when subscribe it
net: refine {udp|tcp|sctp}_mem limits
vmxnet3: round down # of queues to power of two
net: sh_eth: fix the parameter for the ETHER of SH7757
net: sh_eth: fix cannot work half-duplex mode
net: vlan: enable soft features regardless of underlying device
vmxnet3: fix starving rx ring whenoc_skb kb fails
bridge: Always flood broadcast packets
greth: greth_set_mac_add would corrupt the MAC address.
net: bind() fix error return on wrong address family
natsemi: silence dma-debug warnings
net: 8139too: Initial necessary vlan_features to support vlan
Fix call trace when interrupts are disabled while sleeping function kzalloc is called
qlge:Version change to v1.00.00.29
qlge: Fix printk priority so chip fatal errors are always reported.
qlge:Fix crash caused by mailbox execution on wedged chip.
xfrm4: Don't call icmp_send on local error
ipv4: Don't use ufo handling on later transformed packets
xfrm: Remove family arg from xfrm_bundle_ok
ipv6: Don't put artificial limit on routing table size.
...
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Unlike CCMP, the presence or absence of the QoS
field doesn't change the encryption, only the
TID is used. When no QoS field is present, zero
is used as the TID value. This means that it is
possible for an attacker to take a QoS packet
with TID 0 and replay it as a non-QoS packet.
Unfortunately, mac80211 uses different IVs for
checking the validity of the packet's TKIP IV
when it checks TID 0 and when it checks non-QoS
packets. This means it is vulnerable to this
replay attack.
To fix this, use the same replay counter for
TID 0 and non-QoS packets by overriding the
rx->queue value to 0 if it is 16 (non-QoS).
This is a minimal fix for now. I caused this
issue in
commit 1411f9b531f0a910cd1c85a337737c1e6ffbae6a
Author: Johannes Berg <johannes@sipsolutions.net>
Date: Thu Jul 10 10:11:02 2008 +0200
mac80211: fix RX sequence number check
while fixing a sequence number issue (there,
a separate counter needs to be used).
Cc: stable@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We were not allocating memory for the IEs passed in the scheduled_scan
request and this was causing memory corruption (buffer overflow).
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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We forgot to send up SCTP_SENDER_DRY_EVENT notification when
user app subscribes to this event, and there is no data to be
sent or retransmit.
This is required by the Socket API and used by the DTLS/SCTP
implementation.
Reported-by: Michael Tüxen <Michael.Tuexen@lurchi.franken.de>
Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Tested-by: Robin Seggelmann <seggelmann@fh-muenster.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Current tcp/udp/sctp global memory limits are not taking into account
hugepages allocations, and allow 50% of ram to be used by buffers of a
single protocol [ not counting space used by sockets / inodes ...]
Lets use nr_free_buffer_pages() and allow a default of 1/8 of kernel ram
per protocol, and a minimum of 128 pages.
Heavy duty machines sysadmins probably need to tweak limits anyway.
References: https://bugzilla.stlinux.com/show_bug.cgi?id=38032
Reported-by: starlight <starlight@binnacle.cx>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If gso/gro feature of underlying device is turned off，
then new created vlan device never can turn gso/gro on.
Although underlying device don't support TSO, we still
should use software segments for vlan device.
Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As is_multicast_ether_addr returns true on broadcast packets as
well, we need to explicitly exclude broadcast packets so that
they're always flooded. This wasn't an issue before as broadcast
packets were considered to be an unregistered multicast group,
which were always flooded. However, as we now only flood such
packets to router ports, this is no longer acceptable.
Reported-by: Michael Guntsche <mike@it-loops.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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: fix sync and dio writes across stripe boundaries
libceph: fix page calculation for non-page-aligned io
ceph: fix page alignment corrections
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There was a deadlock when rfkill-blocking a wireless interface,
because we were locking the rdev mutex on NETDEV_GOING_DOWN to stop
sched_scans that were eventually running. The rfkill block code was
already holding a mutex under rdev:
kernel: =======================================================
kernel: [ INFO: possible circular locking dependency detected ]
kernel: 3.0.0-rc1-00049-g1fa7b6a #57
kernel: -------------------------------------------------------
kernel: kworker/0:1/4525 is trying to acquire lock:
kernel: (&rdev->mtx){+.+.+.}, at: [<ffffffff8164c831>] cfg80211_netdev_notifier_call+0x131/0x5b0
kernel:
kernel: but task is already holding lock:
kernel: (&rdev->devlist_mtx){+.+.+.}, at: [<ffffffff8164dcef>] cfg80211_rfkill_set_block+0x4f/0xa0
kernel:
kernel: which lock already depends on the new lock.
To fix this, add a new mutex specifically for sched_scan, to protect
the sched_scan_req element in the rdev struct, instead of using the
global rdev mutex.
Reported-by: Duane Griffin <duaneg@dghda.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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master.kernel.org:/pub/scm/linux/kernel/git/padovan/bluetooth-2.6
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Hi,
Reinhard Max also pointed out that the error should EAFNOSUPPORT according
to POSIX.
The Linux manpages have it as EINVAL, some other OSes (Minix, HPUX, perhaps BSD) use
EAFNOSUPPORT. Windows uses WSAEFAULT according to MSDN.
Other protocols error values in their af bind() methods in current mainline git as far
as a brief look shows:
EAFNOSUPPORT: atm, appletalk, l2tp, llc, phonet, rxrpc
EINVAL: ax25, bluetooth, decnet, econet, ieee802154, iucv, netlink, netrom, packet, rds, rose, unix, x25,
No check?: can/raw, ipv6/raw, irda, l2tp/l2tp_ip
Ciao, Marcus
Signed-off-by: Marcus Meissner <meissner@suse.de>
Cc: Reinhard Max <max@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Calling icmp_send() on a local message size error leads to
an incorrect update of the path mtu. So use ip_local_error()
instead to notify the socket about the error.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We might call ip_ufo_append_data() for packets that will be IPsec
transformed later. This function should be used just for real
udp packets. So we check for rt->dst.header_len which is only
nonzero on IPsec handling and call ip_ufo_append_data() just
if rt->dst.header_len is zero.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The family arg is not used any more, so remove it.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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IPV6, unlike IPV4, doesn't have a routing cache.
Routing table entries, as well as clones made in response
to route lookup requests, all live in the same table. And
all of these things are together collected in the destination
cache table for ipv6.
This means that routing table entries count against the garbage
collection limits, even though such entries cannot ever be reclaimed
and are added explicitly by the administrator (rather than being
created in response to lookups).
Therefore it makes no sense to count ipv6 routing table entries
against the GC limits.
Add a DST_NOCOUNT destination cache entry flag, and skip the counting
if it is set. Use this flag bit in ipv6 when adding routing table
entries.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This blows away any flags already set in the entry.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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If the remote device is not present, the connections attemp fails and
the struct hci_conn was not freed
Signed-off-by: Tomas Targownik <ttargownik@geicp.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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PTS test A2DP/SRC/SRC_SET/TC_SRC_SET_BV_02_I revealed that
( probably after the df3c3931e commit ) the l2cap connection
could not be established in case when the "Auth Complete" HCI
event does not arive before the initiator send "Configuration
request", in which case l2cap replies with "Command rejected"
since the channel is still in BT_CONNECT2 state.
Based on patch from: Ilia Kolomisnky <iliak@ti.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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Partial revert of commit aabf6f89. When the hidp session thread
was converted from kernel_thread to kthread, the atomic/wakeups
were replaced with kthread_stop. kthread_stop has blocking semantics
which are inappropriate for the hidp session kthread. In addition,
the kthread signals itself to terminate in hidp_process_hid_control()
- it cannot do this with kthread_stop().
Lastly, a wakeup can be lost if the wakeup happens between checking
for the loop exit condition and setting the current state to
TASK_INTERRUPTIBLE. (Without appropriate synchronization mechanisms,
the task state should not be changed between the condition test and
the yield - via schedule() - as this creates a race between the
wakeup and resetting the state back to interruptible.)
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (24 commits)
usbnet: Remove over-broad module alias from zaurus.
MAINTAINERS: drop Michael from bfin_mac driver
net/can: activate bit-timing calculation and netlink based drivers by default
rionet: fix NULL pointer dereference in rionet_remove
net+crypto: Use vmalloc for zlib inflate buffers.
netfilter: Fix ip_route_me_harder triggering ip_rt_bug
ipv4: Fix IPsec slowpath fragmentation problem
ipv4: Fix packet size calculation in __ip_append_data
cxgb3: skb_record_rx_queue now records the queue index relative to the net_device.
bridge: Only flood unregistered groups to routers
qlge: Add maintainer.
MAINTAINERS: mark socketcan-core lists as subscribers-only
MAINTAINERS: Remove Sven Eckelmann from BATMAN ADVANCED
r8169: fix wrong register use.
net/usb/kalmia: signedness bug in kalmia_bind()
net/usb: kalmia: Various fixes for better support of non-x86 architectures.
rtl8192cu: Fix missing firmware load
udp/recvmsg: Clear MSG_TRUNC flag when starting over for a new packet
ipv6/udp: Use the correct variable to determine non-blocking condition
netconsole: fix build when CONFIG_NETCONSOLE_DYNAMIC is turned on
...
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem
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Avoid creating input routes with ip_route_me_harder.
It does not work for locally generated packets. Instead,
restrict sockets to provide valid saddr for output route (or
unicast saddr for transparent proxy). For other traffic
allow saddr to be unicast or local but if callers forget
to check saddr type use 0 for the output route.
The resulting handling should be:
- REJECT TCP:
- in INPUT we can provide addr_type = RTN_LOCAL but
better allow rejecting traffic delivered with
local route (no IP address => use RTN_UNSPEC to
allow also RTN_UNICAST).
- FORWARD: RTN_UNSPEC => allow RTN_LOCAL/RTN_UNICAST
saddr, add fix to ignore RTN_BROADCAST and RTN_MULTICAST
- OUTPUT: RTN_UNSPEC
- NAT, mangle, ip_queue, nf_ip_reroute: RTN_UNSPEC in LOCAL_OUT
- IPVS:
- use RTN_LOCAL in LOCAL_OUT and FORWARD after SNAT
to restrict saddr to be local
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A remote user can provide a small value for the command size field in
the command header of an l2cap configuration request, resulting in an
integer underflow when subtracting the size of the configuration request
header. This results in copying a very large amount of data via
memcpy() and destroying the kernel heap. Check for underflow.
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
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ip_append_data() builds packets based on the mtu from dst_mtu(rt->dst.path).
On IPsec the effective mtu is lower because we need to add the protocol
headers and trailers later when we do the IPsec transformations. So after
the IPsec transformations the packet might be too big, which leads to a
slowpath fragmentation then. This patch fixes this by building the packets
based on the lower IPsec mtu from dst_mtu(&rt->dst) and adapts the exthdr
handling to this.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Git commit 59104f06 (ip: take care of last fragment in ip_append_data)
added a check to see if we exceed the mtu when we add trailer_len.
However, the mtu is already subtracted by the trailer length when the
xfrm transfomation bundles are set up. So IPsec packets with mtu
size get fragmented, or if the DF bit is set the packets will not
be send even though they match the mtu perfectly fine. This patch
actually reverts commit 59104f06.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sometimes when reporting a MIC failure rx->key may be unset. This
code path is hit when receiving a packet meant for a multicast
address, and decryption is performed in HW.
Fortunately, the failing key_idx is not used for anything up to
(and including) usermode, so we allow ourselves to drop it on the
way up when a key cannot be retrieved.
Signed-off-by: Arik Nemtsov <arik@wizery.com>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The bridge currently floods packets to groups that we have never
seen before to all ports. This is not required by RFC4541 and
in fact it is not desirable in environment where traffic to
unregistered group is always present.
This patch changes the behaviour so that we only send traffic
to unregistered groups to ports marked as routers.
The user can always force flooding behaviour to any given port
by marking it as a router.
Note that this change does not apply to traffic to 224.0.0.X
as traffic to those groups must always be flooded to all ports.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem
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Consider this scenario: When the size of the first received udp packet
is bigger than the receive buffer, MSG_TRUNC bit is set in msg->msg_flags.
However, if checksum error happens and this is a blocking socket, it will
goto try_again loop to receive the next packet. But if the size of the
next udp packet is smaller than receive buffer, MSG_TRUNC flag should not
be set, but because MSG_TRUNC bit is not cleared in msg->msg_flags before
receive the next packet, MSG_TRUNC is still set, which is wrong.
Fix this problem by clearing MSG_TRUNC flag when starting over for a
new packet.
Signed-off-by: Xufeng Zhang <xufeng.zhang@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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udpv6_recvmsg() function is not using the correct variable to determine
whether or not the socket is in non-blocking operation, this will lead
to unexpected behavior when a UDP checksum error occurs.
Consider a non-blocking udp receive scenario: when udpv6_recvmsg() is
called by sock_common_recvmsg(), MSG_DONTWAIT bit of flags variable in
udpv6_recvmsg() is cleared by "flags & ~MSG_DONTWAIT" in this call:
err = sk->sk_prot->recvmsg(iocb, sk, msg, size, flags & MSG_DONTWAIT,
flags & ~MSG_DONTWAIT, &addr_len);
i.e. with udpv6_recvmsg() getting these values:
int noblock = flags & MSG_DONTWAIT
int flags = flags & ~MSG_DONTWAIT
So, when udp checksum error occurs, the execution will go to
csum_copy_err, and then the problem happens:
csum_copy_err:
...............
if (flags & MSG_DONTWAIT)
return -EAGAIN;
goto try_again;
...............
But it will always go to try_again as MSG_DONTWAIT has been cleared
from flags at call time -- only noblock contains the original value
of MSG_DONTWAIT, so the test should be:
if (noblock)
return -EAGAIN;
This is also consistent with what the ipv4/udp code does.
Signed-off-by: Xufeng Zhang <xufeng.zhang@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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: Fix decode_secinfo_maxsz
NFSv4.1: Fix an off-by-one error in pnfs_generic_pg_test
NFSv4.1: Fix some issues with pnfs_generic_pg_test
NFSv4.1: file layout must consider pg_bsize for coalescing
pnfs-obj: No longer needed to take an extra ref at add_device
SUNRPC: Ensure the RPC client only quits on fatal signals
NFSv4: Fix a readdir regression
nfs4.1: mark layout as bad on error path in _pnfs_return_layout
nfs4.1: prevent race that allowed use of freed layout in _pnfs_return_layout
NFSv4.1: need to put_layout_hdr on _pnfs_return_layout error path
NFS: (d)printks should use %zd for ssize_t arguments
NFSv4.1: fix break condition in pnfs_find_lseg
nfs4.1: fix several problems with _pnfs_return_layout
NFSv4.1: allow zero fh array in filelayout decode layout
NFSv4.1: allow nfs_fhget to succeed with mounted on fileid
NFSv4.1: Fix a refcounting issue in the pNFS device id cache
NFSv4.1: deprecate headerpadsz in CREATE_SESSION
NFS41: do not update isize if inode needs layoutcommit
NLM: Don't hang forever on NLM unlock requests
NFS: fix umount of pnfs filesystems
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* 'for-2.6.40' of git://linux-nfs.org/~bfields/linux:
nfsd4: fix break_lease flags on nfsd open
nfsd: link returns nfserr_delay when breaking lease
nfsd: v4 support requires CRYPTO
nfsd: fix dependency of nfsd on auth_rpcgss
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (40 commits)
pxa168_eth: fix race in transmit path.
ipv4, ping: Remove duplicate icmp.h include
netxen: fix race in skb->len access
sgi-xp: fix a use after free
hp100: fix an skb->len race
netpoll: copy dev name of slaves to struct netpoll
ipv4: fix multicast losses
r8169: fix static initializers.
inet_diag: fix inet_diag_bc_audit()
gigaset: call module_put before restart of if_open()
farsync: add module_put to error path in fst_open()
net: rfs: enable RFS before first data packet is received
fs_enet: fix freescale FCC ethernet dp buffer alignment
netdev: bfin_mac: fix memory leak when freeing dma descriptors
vlan: don't call ndo_vlan_rx_register on hardware that doesn't have vlan support
caif: Bugfix - XOFF removed channel from caif-mux
tun: teach the tun/tap driver to support netpoll
dp83640: drop PHY status frames in the driver.
dp83640: fix phy status frame event parsing
phylib: Allow BCM63XX PHY to be selected only on BCM63XX.
...
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Remove the duplicate inclusion of net/icmp.h from net/ipv4/ping.c
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/padovan/bluetooth-2.6
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Otherwise we will not see the name of the slave dev in error
message:
[ 388.469446] (null): doesn't support polling, aborting.
Signed-off-by: WANG Cong <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Knut Tidemann found that first packet of a multicast flow was not
correctly received, and bisected the regression to commit b23dd4fe42b4
(Make output route lookup return rtable directly.)
Special thanks to Knut, who provided a very nice bug report, including
sample programs to demonstrate the bug.
Reported-and-bisectedby: Knut Tidemann <knut.andre.tidemann@jotron.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A malicious user or buggy application can inject code and trigger an
infinite loop in inet_diag_bc_audit()
Also make sure each instruction is aligned on 4 bytes boundary, to avoid
unaligned accesses.
Reported-by: Dan Rosenberg <drosenberg@vsecurity.com>
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Le jeudi 16 juin 2011 à 23:38 -0400, David Miller a écrit :
> From: Ben Hutchings <bhutchings@solarflare.com>
> Date: Fri, 17 Jun 2011 00:50:46 +0100
>
> > On Wed, 2011-06-15 at 04:15 +0200, Eric Dumazet wrote:
> >> @@ -1594,6 +1594,7 @@ int tcp_v4_do_rcv(struct sock *sk, struct sk_buff *skb)
> >> goto discard;
> >>
> >> if (nsk != sk) {
> >> + sock_rps_save_rxhash(nsk, skb->rxhash);
> >> if (tcp_child_process(sk, nsk, skb)) {
> >> rsk = nsk;
> >> goto reset;
> >>
> >
> > I haven't tried this, but it looks reasonable to me.
> >
> > What about IPv6? The logic in tcp_v6_do_rcv() looks very similar.
>
> Indeed ipv6 side needs the same fix.
>
> Eric please add that part and resubmit. And in fact I might stick
> this into net-2.6 instead of net-next-2.6
>
OK, here is the net-2.6 based one then, thanks !
[PATCH v2] net: rfs: enable RFS before first data packet is received
First packet received on a passive tcp flow is not correctly RFS
steered.
One sock_rps_record_flow() call is missing in inet_accept()
But before that, we also must record rxhash when child socket is setup.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
CC: Tom Herbert <therbert@google.com>
CC: Ben Hutchings <bhutchings@solarflare.com>
CC: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6 into for-davem
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