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Mahesh Bandewar 401a3b5c02 ipvlan: add L2 check for packets arriving via virtual devices 
[ Upstream commit 92ff426450 ]

Packets that don't have dest mac as the mac of the master device should
not be entertained by the IPvlan rx-handler. This is mostly true as the
packet path mostly takes care of that, except when the master device is
a virtual device. As demonstrated in the following case -

  ip netns add ns1
  ip link add ve1 type veth peer name ve2
  ip link add link ve2 name iv1 type ipvlan mode l2
  ip link set dev iv1 netns ns1
  ip link set ve1 up
  ip link set ve2 up
  ip -n ns1 link set iv1 up
  ip addr add 192.168.10.1/24 dev ve1
  ip -n ns1 addr 192.168.10.2/24 dev iv1
  ping -c2 192.168.10.2
  <Works!>
  ip neigh show dev ve1
  ip neigh show 192.168.10.2 lladdr <random> dev ve1
  ping -c2 192.168.10.2
  <Still works! Wrong!!>

This patch adds that missing check in the IPvlan rx-handler.

Reported-by: Amit Sikka <amit.sikka@ericsson.com>
Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-03-22 09:23:30 +01:00
..
accessibility
acpi ACPI: sbshc: remove raw pointer from printk() message 2018-02-16 20:09:47 +01:00
amba
android binder: add missing binder_unlock() 2018-02-28 10:17:23 +01:00
ata ahci: Add Intel Cannon Lake PCH-H PCI ID 2018-02-16 20:09:42 +01:00
atm atm: horizon: Fix irq release error 2017-12-16 10:33:55 +01:00
auxdisplay
base drivers: base: cacheinfo: fix boot error message when acpi is enabled 2018-01-31 12:06:08 +01:00
bcma bcma: use (get|put)_device when probing/removing device driver 2017-03-12 06:37:30 +01:00
block loop: Fix lost writes caused by missing flag 2018-03-18 11:17:49 +01:00
bluetooth Bluetooth: btusb: Restore QCA Rome suspend/resume fix with a "rewritten" version 2018-02-16 20:09:46 +01:00
bus sunxi-rsb: Include OF based modalias in device uevent 2018-01-10 09:27:09 +01:00
cdrom
char agp/intel: Flush all chipset writes after updating the GGTT 2018-03-22 09:23:29 +01:00
clk clk: qcom: msm8916: fix mnd_width for codec_digcodec 2018-03-22 09:23:28 +01:00
clocksource clockevents/drivers/cs5535: Improve resilience to spurious interrupts 2017-10-27 10:23:17 +02:00
connector
cpufreq cpufreq: Fix governor module removal race 2018-03-22 09:23:28 +01:00
cpuidle cpuidle: fix broadcast control when broadcast can not be entered 2017-12-25 14:22:15 +01:00
crypto crypto: s5p-sss - Fix kernel Oops in AES-ECB mode 2018-02-25 11:03:55 +01:00
dca
devfreq PM / devfreq: Propagate error from devfreq_add_device() 2018-02-22 15:44:58 +01:00
dio
dma dmaengine: imx-sdma: add 1ms delay to ensure SDMA channel is stopped 2018-03-22 09:23:22 +01:00
dma-buf
edac EDAC, octeon: Fix an uninitialized variable warning 2018-02-16 20:09:47 +01:00
eisa
extcon extcon: palmas: Check the parent instance to prevent the NULL 2017-11-21 09:21:18 +01:00
firewire
firmware efi/esrt: Cleanup bad memory map log messages 2017-12-20 10:04:56 +01:00
fmc
fpga
gpio gpio: xgene: mark PM functions as __maybe_unused 2018-02-25 11:03:50 +01:00
gpu drm/amdkfd: Fix memory leaks in kfd topology 2018-03-22 09:23:29 +01:00
hid HID: elo: clear BTN_LEFT mapping 2018-03-22 09:23:27 +01:00
hsi
hv Drivers: hv: vmbus: fix build warning 2018-02-25 11:03:46 +01:00
hwmon driver: (adm1275) set the m,b and R coefficients correctly for power 2018-03-22 09:23:22 +01:00
hwspinlock
hwtracing coresight: Fixes coresight DT parse to get correct output port ID. 2018-03-22 09:23:25 +01:00
i2c i2c: remove __init from i2c_register_board_info() 2018-02-25 11:03:48 +01:00
ide
idle idle: i7300: add PCI dependency 2018-02-25 11:03:51 +01:00
iio iio: adis_lib: Initialize trigger before requesting interrupt 2018-02-28 10:17:22 +01:00
infiniband RDMA/mlx5: Fix integer overflow while resizing CQ 2018-03-18 11:17:48 +01:00
input Input: qt1070 - add OF device ID table 2018-03-22 09:23:22 +01:00
iommu iommu/iova: Fix underflow bug in __alloc_and_insert_iova_range 2018-03-22 09:23:24 +01:00
ipack
irqchip irqchip/gic-v3: Use wmb() instead of smb_wmb() in gic_raise_softirq() 2018-02-28 10:17:22 +01:00
isdn isdn: sc: work around type mismatch warning 2018-02-25 11:03:51 +01:00
leds Revert "led: core: Fix brightness setting when setting delay_off=0" 2018-03-11 16:19:45 +01:00
lguest
lightnvm
macintosh
mailbox mailbox: handle empty message in tx_tick 2017-08-06 19:19:41 -07:00
mcb
md md/raid6: Fix anomily when recovering a single device in RAID6. 2018-03-22 09:23:25 +01:00
media media: cpia2: Fix a couple off by one bugs 2018-03-22 09:23:29 +01:00
memory ARM: OMAP2+: gpmc-onenand: propagate error on initialization failure 2017-12-16 10:33:51 +01:00
memstick
message mptfusion: hide unused seq_mpt_print_ioc_summary function 2018-02-25 11:03:45 +01:00
mfd mfd: twl6040: Fix child-node lookup 2018-01-02 20:33:20 +01:00
misc scsi: ses: don't get power status of SES device slot on probe 2018-03-22 09:23:24 +01:00
mmc mmc: sdhci-of-esdhc: add/remove some quirks according to vendor version 2018-01-31 12:06:09 +01:00
mtd mtd: nand: fix interpretation of NAND_CMD_NONE in nand_command[_lp]() 2018-03-22 09:23:28 +01:00
net ipvlan: add L2 check for packets arriving via virtual devices 2018-03-22 09:23:30 +01:00
nfc NFC: nfcmrvl: double free on error path 2018-03-22 09:23:23 +01:00
ntb ntb_transport: fix bug calculating num_qps_mw 2017-08-30 10:19:29 +02:00
nubus
nvdimm libnvdimm, namespace: make 'resource' attribute only readable by root 2017-11-30 08:37:23 +00:00
nvme nvme: Fix managing degraded controllers 2018-02-16 20:09:47 +01:00
nvmem nvmem: imx-ocotp: Fix wrong register size 2017-08-06 19:19:46 -07:00
of of: fix of_device_get_modalias returned length when truncating buffers 2018-03-22 09:23:21 +01:00
oprofile
parisc parisc: Hide Diva-built-in serial aux and graphics card 2018-01-02 20:33:20 +01:00
parport parisc, parport_gsc: Fixes for printk continuation lines 2017-06-17 06:39:37 +02:00
pci PCI/MSI: Stop disabling MSI/MSI-X in pci_device_shutdown() 2018-03-22 09:23:19 +01:00
pcmcia
perf drivers/perf: arm_pmu: handle no platform_device 2018-03-22 09:23:26 +01:00
phy phy: work around 'phys' references to usb-nop-xceiv devices 2018-01-23 19:50:16 +01:00
pinctrl pinctrl: sunxi: Fix A80 interrupt pin bank 2018-02-25 11:03:39 +01:00
platform dell-wmi, dell-laptop: depends DMI 2018-02-25 11:03:51 +01:00
pnp
power power: bq27xxx_battery: mark some symbols __maybe_unused 2018-02-25 11:03:50 +01:00
powercap
pps
ps3
ptp
pwm pwm: tegra: Increase precision in PWM rate calculation 2018-03-22 09:23:27 +01:00
rapidio
ras
regulator regulator: fan53555: fix I2C device ids 2017-11-02 09:40:50 +01:00
remoteproc
reset
rpmsg
rtc rtc-opal: Fix handling of firmware error codes, prevent busy loops 2018-02-22 15:44:59 +01:00
s390 s390/qeth: fix IPA command submission race 2018-03-11 16:19:47 +01:00
sbus
scsi scsi: dh: add new rdac devices 2018-03-22 09:23:29 +01:00
sfi
sh
sn
soc
spi spi: sun6i: disable/unprepare clocks on remove 2018-03-22 09:23:28 +01:00
spmi spmi: Include OF based modalias in device uevent 2017-07-27 15:06:10 -07:00
ssb ssb: mark ssb_bus_register as __maybe_unused 2018-02-25 11:03:44 +01:00
staging staging: wilc1000: add check for kmalloc allocation failure. 2018-03-22 09:23:19 +01:00
target target/user: Fix cast from pointer to phys_addr_t 2018-02-25 11:03:46 +01:00
tc
thermal thermal: spear: use __maybe_unused for PM functions 2018-02-25 11:03:44 +01:00
thunderbolt
tty serial: 8250_pci: Add Brainboxes UC-260 4 port serial device 2018-03-18 11:17:53 +01:00
uio
usb usb: gadget: dummy_hcd: Fix wrong power status bit clear/reset in dummy_hub_control() 2018-03-22 09:23:26 +01:00
uwb uwb: ensure that endpoint is interrupt 2017-10-12 11:27:35 +02:00
vfio vfio-pci: Handle error from pci_iomap 2017-08-06 19:19:46 -07:00
vhost vhost_net: stop device during reset owner 2018-02-16 20:09:38 +01:00
video video/hdmi: Allow "empty" HDMI infoframes 2018-03-22 09:23:27 +01:00
virt
virtio virtio_balloon: prevent uninitialized variable use 2018-02-25 11:03:42 +01:00
vlynq
vme vme: Fix wrong pointer utilization in ca91cx42_slave_get 2017-01-19 20:17:21 +01:00
w1 w1: ds2490: USB transfer buffers need to be DMAable 2017-03-12 06:37:29 +01:00
watchdog watchdog: hpwdt: fix unused variable warning 2018-03-18 11:17:50 +01:00
xen xen/gntdev: Fix partial gntdev_mmap() cleanup 2018-03-03 10:19:45 +01:00
zorro
Kconfig
Makefile usb: build drivers/usb/common/ when USB_SUPPORT is set 2018-02-25 11:03:38 +01:00