geneve{,6}_build_skb can end up doing a pskb_expand_head(), which
makes the ip_hdr(skb) reference we stashed earlier stale. Since it's
only needed as an argument to ip_tunnel_ecn_encap(), move this
directly in the function call.
Fixes: 08399efc63 ("geneve: ensure ECN info is handled properly in all tx/rx paths")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Reviewed-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Qian Zhang (张谦) reported a potential socket buffer overflow in
tipc_msg_build() which is also known as CVE-2016-8632: due to
insufficient checks, a buffer overflow can occur if MTU is too short for
even tipc headers. As anyone can set device MTU in a user/net namespace,
this issue can be abused by a regular user.
As agreed in the discussion on Ben Hutchings' original patch, we should
check the MTU at the moment a bearer is attached rather than for each
processed packet. We also need to repeat the check when bearer MTU is
adjusted to new device MTU. UDP case also needs a check to avoid
overflow when calculating bearer MTU.
Fixes: b97bf3fd8f ("[TIPC] Initial merge")
Signed-off-by: Michal Kubecek <mkubecek@suse.cz>
Reported-by: Qian Zhang (张谦) <zhangqian-c@360.cn>
Acked-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'linux-can-fixes-for-4.9-20161201' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2016-12-02
this is a pull request for net/master.
There are two patches by Stephane Grosjean, who adds support for the new
PCAN-USB X6 USB interface to the pcan_usb driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
We want to set the other "err" variable here so that we can return it
later. My version of GCC misses this issue but I caught it with a
static checker.
Fixes: 9f70eb339f ("net: ethernet: renesas: ravb: fix fixed-link phydev leaks")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
When streaming a lot of data and the RZ/A1 can't keep up, some status bits
will get set that are not being checked or cleared which cause the
following messages and the Ethernet driver to stop working. This
patch fixes that issue.
irq 21: nobody cared (try booting with the "irqpoll" option)
handlers:
[<c036b71c>] sh_eth_interrupt
Disabling IRQ #21
Fixes: db893473d3 ("sh_eth: Add support for r7s72100")
Signed-off-by: Chris Brandt <chris.brandt@renesas.com>
Acked-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
__bcmgenet_tx_reclaim() and bcmgenet_free_rx_buffers() are not using the
same struct device during unmap that was used for the map operation,
which makes DMA-API debugging warn about it. Fix this by always using
&priv->pdev->dev throughout the driver, using an identical device
reference for all map/unmap calls.
Fixes: 1c1008c793 ("net: bcmgenet: add main driver file")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ozgur Karatas reported that the very first entry in the CREDITS file had
the wrong tag for name (M: instead of N: - it happened when moving the
entry from the MAINTAINERS file, where 'M:' stands for "Maintainer").
And when I went looking, I found a couple of other cases of wrong
tagging too.
Reported-by: Ozgur Karatas <mueddib@yandex.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch adds support for PID 0x1040 of Telit LE922A.
The qmi adapter requires to have DTR set for proper working,
so QMI_WWAN_QUIRK_DTR has been enabled.
Signed-off-by: Daniele Palmas <dnlplm@gmail.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit bfe9b9d2df ("cdc_ether: Improve ZTE MF823/831/910 handling")
introduced a work-around in usbnet_cdc_status() for devices that exported
cdc carrier on twice on connect. Before the commit, this behavior caused
the link state to be incorrect. It was assumed that all CDC Ethernet
devices would either export this behavior, or send one off and then one on
notification (which seems to be the default behavior).
Unfortunately, it turns out multiple devices sends a connection
notification multiple times per second (via an interrupt), even when
connection state does not change. This has been observed with several
different USB LAN dongles (at least), for example 13b1:0041 (Linksys).
After bfe9b9d2df, the link state has been set as down and then up for
each notification. This has caused a flood of Netlink NEWLINK messages and
syslog to be flooded with messages similar to:
cdc_ether 2-1:2.0 eth1: kevent 12 may have been dropped
This commit fixes the behavior by reverting usbnet_cdc_status() to how it
was before bfe9b9d2df. The work-around has been moved to a separate
status-function which is only called when a known, affect device is
detected.
v1->v2:
* Do not open-code netif_carrier_ok() (thanks Henning Schild).
* Call netif_carrier_off() instead of usb_link_change(). This prevents
calling schedule_work() twice without giving the work queue a chance to be
processed (thanks Bjørn Mork).
Fixes: bfe9b9d2df ("cdc_ether: Improve ZTE MF823/831/910 handling")
Reported-by: Henning Schild <henning.schild@siemens.com>
Signed-off-by: Kristian Evensen <kristian.evensen@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The etnaviv project now has its own mailinglist, add it to the
MAINTAINERS file, so kernel patches get CC'ed to it.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
On i.MX6SX the physical memory is placed above the 2GB mark, so the GPU
linear window has to be moved for the GPU to work at all. This doesn't
mix with the FAST_CLEAR feature, as the TS unit doesn't take the linear
window offset into account and will corrupt memory when used with a
non-zero offset.
Move the linear window if it's necessary for the GPU to work, but avoid
announcing FAST_CLEAR support to userspace in this case.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Marek Vasut <marex@denx.de>
The dumper is only a debugging aid so we don't want to invoke the OOM
killer if buffer for the potentially large GPU state can't be vmalloced.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
The object internal SG table must not be returned, as the caller
will take ownership of the returned table.
Construct a new table from the object pages and return this one
instead.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Vivante GPUs with HALTI0 feature support a DRAW_INSTANCED command in the
command stream to draw a number of instances of the same geometry.
The information that has been figured out about the command can be found
here: https://github.com/etnaviv/etna_viv/blob/master/rnndb/cmdstream.xml#L270
This command is not allowed currently by the DRM driver because it
was not known before. This patch enables parsing it in command
streams and allows using it by userspace drivers.
Signed-off-by: Wladimir J. van der Laan <laanwj@gmail.com>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
This adds the required boilerplate to allow direct mmap of exported
etnaviv BOs.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
If some error is encountered in rds_tcp_init_net, make sure to
unregister_netdevice_notifier(), else we could trigger a panic
later on, when the modprobe from a netns fails.
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This reverts commit ae148b0858
("ip6_tunnel: Update skb->protocol to ETH_P_IPV6 in ip6_tnl_xmit()").
skb->protocol is now set in __ip_local_out() and __ip6_local_out() before
dst_output() is called. It is no longer necessary to do it for each tunnel.
Cc: stable@vger.kernel.org
Signed-off-by: Eli Cooper <elicooper@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When xfrm is applied to TSO/GSO packets, it follows this path:
xfrm_output() -> xfrm_output_gso() -> skb_gso_segment()
where skb_gso_segment() relies on skb->protocol to function properly.
This patch sets skb->protocol to ETH_P_IPV6 before dst_output() is called,
fixing a bug where GSO packets sent through an ipip6 tunnel are dropped
when xfrm is involved.
Cc: stable@vger.kernel.org
Signed-off-by: Eli Cooper <elicooper@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When xfrm is applied to TSO/GSO packets, it follows this path:
xfrm_output() -> xfrm_output_gso() -> skb_gso_segment()
where skb_gso_segment() relies on skb->protocol to function properly.
This patch sets skb->protocol to ETH_P_IP before dst_output() is called,
fixing a bug where GSO packets sent through a sit tunnel are dropped
when xfrm is involved.
Cc: stable@vger.kernel.org
Signed-off-by: Eli Cooper <elicooper@gmx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When packet_set_ring creates a ring buffer it will initialize a
struct timer_list if the packet version is TPACKET_V3. This value
can then be raced by a different thread calling setsockopt to
set the version to TPACKET_V1 before packet_set_ring has finished.
This leads to a use-after-free on a function pointer in the
struct timer_list when the socket is closed as the previously
initialized timer will not be deleted.
The bug is fixed by taking lock_sock(sk) in packet_setsockopt when
changing the packet version while also taking the lock at the start
of packet_set_ring.
Fixes: f6fb8f100b ("af-packet: TPACKET_V3 flexible buffer implementation.")
Signed-off-by: Philip Pettersson <philip.pettersson@gmail.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
All architectures avoid memory corruption in an error path.
ARM prevents bogus acknowledgement of interrupts.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Radim Krčmář:
"All architectures avoid memory corruption in an error path. ARM
prevents bogus acknowledgement of interrupts"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: use after free in kvm_ioctl_create_device()
KVM: arm/arm64: vgic: Don't notify EOI for non-SPIs
Pull i2c fix from Wolfram Sang:
"Here is the revert for the regression of the i2c-octeon driver I
mentioned last time. I wished for a bit more feedback, but all people
working actively on it are in need of this patch, so here it goes"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
Revert "i2c: octeon: thunderx: Limit register access retries"
The driver already uses its private lock for synchronization between xmit
and xmit completion handler making the additional use of the xmit_lock
unnecessary.
Furthermore the driver does not set NETIF_F_LLTX resulting in xmit to be
called with the xmit_lock held and then taking the private lock while xmit
completion handler does the reverse, first take the private lock, then the
xmit_lock.
Fix these issues by not taking the xmit_lock in the tx completion handler.
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
An explicit dma sync for device directly after mapping as well as an
explicit dma sync for cpu directly before unmapping is unnecessary and
costly on the hotpath. So remove these calls.
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
With binutils-2.26 and before, a weak missing symbol was kept during the
final link, and a missing CRC for an export would lead to that CRC being
treated as zero implicitly. With binutils-2.27, the crc symbol gets
dropped, and any module trying to use it will fail to load.
This sets the weak CRC symbol to zero explicitly, making it defined in
vmlinux, which in turn lets us load the modules referring to that CRC.
The comment above the __CRC_SYMBOL macro suggests that this was always
the intention, although it also seems that all symbols defined in C have
a correct CRC these days, and only the exports that are now done in
assembly need this.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Tested-by: Adam Borowski <kilobyte@angband.pl>
Cc: stable@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The core and the cluster sleep state entry latencies can't be same as
cluster sleep involves more work compared to core level e.g. shared
cache maintenance.
Experiments have shown on an average about 100us more latency for the
cluster sleep state compared to the core level sleep. This patch fixes
the entry latency for the cluster sleep state.
Fixes: 28e10a8f3a ("arm64: dts: juno: Add idle-states to device tree")
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: "Jon Medhurst (Tixy)" <tixy@linaro.org>
Reviewed-by: Liviu Dudau <Liviu.Dudau@arm.com>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Surprisingly few changes needed to make it happen. Compile-tested
only. The idea is that this replaces the 2 patches from Ville's big
fb->format patch series as a prep patch. Only impact to later patches
should be the one instace added in this patch where we look at
fb->pixel_format (instead of fb->bpp and fb->depth), so minor
adjustements in the cocci-generated patches needed.
v2: Restore pitch computation in vmw_fb_kms_framebuffer (Sinclair).
Cc: ville.syrjala@linux.intel.com
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: linux-graphics-maintainer@vmware.com
Cc: Sinclair Yeh <syeh@vmware.com>
Cc: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Acked-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161202070740.31689-1-daniel.vetter@ffwll.ch
v2: use resv->lock instead of resv->lock.base (Christian König)
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Maarten Lankhorst <dev@mblankhorst.nl>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: dri-devel@lists.freedesktop.org
Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@amd.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1480601214-26583-2-git-send-email-nhaehnle@gmail.com
Johan Hovold says:
====================
net: stmmac: fix probe error handling and phydev leaks
This series fixes a number of issues with the stmmac-driver probe error
handling, which for example left clocks enabled after probe failures.
The final patch fixes a failure to deregister and free any fixed-link
PHYs that were registered during probe on probe errors and on driver
unbind. It also fixes a related of-node leak on late probe errors.
This series depends on the of_phy_deregister_fixed_link() helper that
was just merged to net.
As mentioned earlier, one staging driver also suffers from a similar
leak and can be fixed up once the above mentioned helper hits mainline.
Note that these patches have only been compile tested.
====================
Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure to deregister and free any fixed-link phy registered during
probe on probe errors and on driver unbind by adding a new glue helper
function.
Drop the of-node reference taken in the same path also on late probe
errors (and not just on driver unbind) by moving the put from
stmmac_dvr_remove() to the new helper.
Fixes: 277323814e ("stmmac: add fixed-link device-tree support")
Fixes: 4613b279be ("ethernet: stmicro: stmmac: add missing of_node_put
after calling of_parse_phandle")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix the OF-helper function header to reflect that the function no longer
has a platform-data parameter.
Fixes: b0003ead75 ("stmmac: make stmmac_probe_config_dt return the
platform data struct")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure to disable clocks before returning on late probe errors.
Fixes: 566e825162 ("net: stmmac: add a glue driver for the Amlogic
Meson 8b / GXBB DWMAC")
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure to call any exit() callback to undo the effect of init()
before returning on late probe errors.
Fixes: cf3f047b9a ("stmmac: move hw init in the probe (v2)")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure to disable runtime PM, power down the PHY, and disable clocks
before returning on late probe errors.
Fixes: 27ffefd2d1 ("stmmac: dwmac-rk: create a new probe function")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure to disable clocks before returning on late probe errors.
Fixes: 8387ee21f9 ("stmmac: dwmac-sti: turn setup callback into a
probe function")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure to call stmmac_dvr_remove() before returning on late probe
errors so that memory is freed, clocks are disabled, and the netdev is
deregistered before its resources go away.
Fixes: 3c201b5a84 ("net: stmmac: socfpga: Remove re-registration of
reset controller")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Use the correct attribute constant names IFLA_GSO_MAX_{SEGS,SIZE}
instead of IFLA_MAX_GSO_{SEGS,SIZE} for the comments int nlmsg_size().
Cc: Eric Dumazet <edumazet@google.com>
Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
From Zhenyu Wang <zhenyuw@linux.intel.com>
gvt-next-2016-11-30
- initialize vgpu as primary for correct cfg space setting
- fix 64 bit bar emulation
- fix un-released lock issue on dispatch workload err path
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
In the case of IPIP and SIT tunnel frames the outer transport header
offset is actually set to the same offset as the inner transport header.
This results in the lco_csum call not doing any checksum computation over
the inner IPv4/v6 header data.
In order to account for that I am updating the code so that we determine
the location to start the checksum ourselves based on the location of the
IPv4 header and the length.
Fixes: b83e30104b ("ixgbe/ixgbevf: Add support for GSO partial")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the case of IPIP and SIT tunnel frames the outer transport header
offset is actually set to the same offset as the inner transport header.
This results in the lco_csum call not doing any checksum computation over
the inner IPv4/v6 header data.
In order to account for that I am updating the code so that we determine
the location to start the checksum ourselves based on the location of the
IPv4 header and the length.
Fixes: e10715d3e9 ("igb/igbvf: Add support for GSO partial")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The change fixes AX88772_suspend() USB vendor commands failure issues.
Signed-off-by: Allan Chou <allan@asix.com.tw>
Tested-by: Allan Chou <allan@asix.com.tw>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull overlayfs fix from Miklos Szeredi:
"This fixes a regression introduced in 4.8"
* 'overlayfs-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs:
ovl: fix d_real() for stacked fs
Pull input fixes from Dmitry Torokhov: "We are disabling automatic
probing of BYD touchpads as it results in too many false positives,
and the hardware is not terribly popular and having the protocol
support does not result in significantly improved user experience.
We also change keycode for KEY_DATA to avoid clashing with
KEY_FASTREVERSE. Luckily this newish code is used by CEC framework
that is still in staging, so it is extremely unlikely that someone has
already started using this keycode"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: change KEY_DATA from 0x275 to 0x277
Input: psmouse - disable automatic probing of BYD touchpads
Some people are able to trigger a race where autoksyms.h is used before
its empty version is even created. Let's create it at the same time as
the directory holding it is created.
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Prarit Bhargava <prarit@redhat.com>
Tested-by: Jarod Wilson <jarod@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
As complained by Sphinx:
Documentation/core-api/assoc_array.rst:13: WARNING: Enumerated list ends without a blank line; unexpected unindent.
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Update kernel-parameters.txt to add Documentation
for powersave=off.
Signed-off-by: Balbir Singh <bsingharora@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This corrects a set of spelling mistakes, probably from an
automated conversion.
Signed-off-by: Sanjeev Gupta <ghane0@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Steffen Klassert says:
====================
pull request (net): ipsec 2016-12-01
1) Change the error value when someone tries to run 32bit
userspace on a 64bit host from -ENOTSUPP to the userspace
exported -EOPNOTSUPP. Fix from Yi Zhao.
2) On inbound, ESN sequence numbers are already in network
byte order. So don't try to convert it again, this fixes
integrity verification for ESN. Fixes from Tobias Brunner.
Please pull or let me know if there are problems.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
