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Marcelo Leitner 19ca9fc144 vxlan: Do not reuse sockets for a different address family 
Currently, we only match against local port number in order to reuse
socket. But if this new vxlan wants an IPv6 socket and a IPv4 one bound
to that port, vxlan will reuse an IPv4 socket as IPv6 and a panic will
follow. The following steps reproduce it:

   # ip link add vxlan6 type vxlan id 42 group 229.10.10.10 \
       srcport 5000 6000 dev eth0
   # ip link add vxlan7 type vxlan id 43 group ff0e::110 \
       srcport 5000 6000 dev eth0
   # ip link set vxlan6 up
   # ip link set vxlan7 up
   <panic>

[    4.187481] BUG: unable to handle kernel NULL pointer dereference at 0000000000000058
...
[    4.188076] Call Trace:
[    4.188085]  [<ffffffff81667c4a>] ? ipv6_sock_mc_join+0x3a/0x630
[    4.188098]  [<ffffffffa05a6ad6>] vxlan_igmp_join+0x66/0xd0 [vxlan]
[    4.188113]  [<ffffffff810a3430>] process_one_work+0x220/0x710
[    4.188125]  [<ffffffff810a33c4>] ? process_one_work+0x1b4/0x710
[    4.188138]  [<ffffffff810a3a3b>] worker_thread+0x11b/0x3a0
[    4.188149]  [<ffffffff810a3920>] ? process_one_work+0x710/0x710

So address family must also match in order to reuse a socket.

Reported-by: Jean-Tsung Hsiao <jhsiao@redhat.com>
Signed-off-by: Marcelo Ricardo Leitner <mleitner@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-13 15:19:59 -05:00
..
accessibility
acpi Merge branches 'acpi-scan' and 'acpi-ec' 2014-10-31 22:24:44 +01:00
amba PM / Domains: Move dev_pm_domain_attach|detach() to pm_domain.h 2014-09-30 01:16:44 +02:00
ata Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-10-18 18:11:04 -07:00
atm atm: simplify lanai.c by using module_pci_driver 2014-10-17 11:55:32 -04:00
auxdisplay
base ACPI and power management fixes for 3.18-rc3 2014-10-31 19:08:25 -07:00
bcma bcma: add another PCI ID of device with BCM43228 2014-10-23 14:02:06 -04:00
block Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc 2014-10-31 15:00:48 -07:00
bluetooth Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-10-13 11:28:42 +02:00
bus ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
cdrom
char This adds a memzero_explicit() call which is guaranteed not to be 2014-10-24 12:33:32 -07:00
clk The clk tree changes for 3.18 are dominated by clock drivers. Mostly 2014-10-15 07:05:03 +02:00
clocksource ARM/ARM64: arch-timer: fix arch_timer_probed logic 2014-10-26 20:50:00 +01:00
connector
cpufreq cpufreq: cpufreq-dt: Restore default cpumask_setall(policy->cpus) 2014-10-27 23:27:35 +01:00
cpuidle Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus 2014-10-24 12:48:47 -07:00
crypto crypto: LLVMLinux: Remove VLAIS from crypto/.../qat_algs.c 2014-10-14 10:51:23 +02:00
dca
devfreq PM / devfreq: exynos: Enable building exynos PPMU as module 2014-09-29 20:22:36 +09:00
dio
dma Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-10-18 18:11:04 -07:00
dma-buf dma-buf: don't open-code atomic_long_read() 2014-10-09 02:39:07 -04:00
edac e7xxx_edac: Report CE events properly 2014-10-22 22:59:00 +02:00
eisa
extcon
firewire
firmware Merge branch 'x86-efi-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-23 14:45:09 -07:00
fmc
gpio This is the bulk of GPIO changes for the v3.18 development 2014-10-09 14:58:15 -04:00
gpu drm/cirrus: bind also to qemu-xen-traditional 2014-10-23 14:09:04 +10:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid 2014-10-29 11:52:35 -07:00
hsi
hv
hwmon hwmon: (menf21bmc) Include linux/err.h 2014-10-19 18:41:18 -07:00
hwspinlock
i2c Merge branch 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux 2014-10-19 12:50:44 -07:00
ide Merge branch 'for-3.18/drivers' of git://git.kernel.dk/linux-block 2014-10-18 12:12:45 -07:00
idle
iio
infiniband Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2014-10-31 15:04:58 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2014-10-31 19:51:11 -07:00
iommu IOMMU Updates for Linux v3.18 2014-10-15 07:23:49 +02:00
ipack
irqchip Merge branch 'for-3.18-consistent-ops' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu 2014-10-15 07:48:18 +02:00
isdn isdn/gigaset: fix usb_gigaset write_cmd result race 2014-10-14 15:05:35 -04:00
leds Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds 2014-10-21 08:18:38 -07:00
lguest
macintosh
mailbox Merge branch 'mailbox-for-linus' of git://git.linaro.org/landing-teams/working/fujitsu/integration 2014-10-21 11:21:19 -07:00
mcb
md . fix DM's long-standing excessive use of memory by leveraging the new 2014-10-18 12:25:30 -07:00
media [media] s5p-jpeg: Avoid -Wuninitialized warning in s5p_jpeg_parse_hdr 2014-10-24 09:36:59 -02:00
memory
memstick memstick: r592: fix build warnings for !PM_SLEEP 2014-10-14 02:18:22 +02:00
message SCSI for-linus on 20141007 2014-10-07 21:29:18 -04:00
mfd Changes to existing drivers: 2014-10-15 06:58:16 +02:00
misc cxl: Fix PSL error due to duplicate segment table entries 2014-10-28 19:52:52 +11:00
mmc Merge branch 'for-3.18/drivers' of git://git.kernel.dk/linux-block 2014-10-18 12:12:45 -07:00
mtd Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-10-18 18:11:04 -07:00
net vxlan: Do not reuse sockets for a different address family 2014-11-13 15:19:59 -05:00
nfc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless 2014-10-07 14:48:29 -04:00
ntb ntb: Adding split BAR support for Haswell platforms 2014-10-17 07:08:51 -04:00
nubus
of drivers: of: add return value to of_reserved_mem_device_init() 2014-10-29 16:33:14 -07:00
oprofile
parisc Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-10-13 16:23:15 +02:00
parport
pci PCI updates for v3.18: 2014-10-31 18:48:29 -07:00
pcmcia
phy
pinctrl This is the bulk of GPIO changes for the v3.18 development 2014-10-09 14:58:15 -04:00
platform thinkpad_acpi: replace strnicmp with strncasecmp 2014-10-14 02:18:25 +02:00
pnp PNP: replace strnicmp with strncasecmp 2014-10-14 02:18:25 +02:00
power power: reset: at91-reset: fix power down register 2014-10-22 10:08:22 +02:00
powercap
pps
ps3
ptp
pwm pwm: Changes for v3.18-rc1 2014-10-21 08:17:43 -07:00
rapidio
ras
regulator Merge remote-tracking branch 'regulator/fix/rk808' into regulator-linus 2014-10-27 11:26:24 +00:00
remoteproc
reset
rpmsg
rtc drivers/rtc/rtc-bq32k.c: fix register value 2014-10-29 16:33:14 -07:00
s390 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2014-10-21 07:47:54 -07:00
sbus
scsi Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2014-10-21 13:06:38 -07:00
sfi
sh
sn
soc ARM: SoC driver updates for 3.18 2014-10-08 17:37:16 -04:00
spi Merge remote-tracking branches 'spi/fix/dw', 'spi/fix/orion', 'spi/fix/pl022', 'spi/fix/rockchip' and 'spi/fix/spidev' into spi-linus 2014-10-27 11:26:54 +00:00
spmi
ssb This is the bulk of GPIO changes for the v3.18 development 2014-10-09 14:58:15 -04:00
staging Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-10-14 09:39:08 +02:00
target Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2014-10-21 13:06:38 -07:00
tc
thermal Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux 2014-10-24 11:21:43 -07:00
thunderbolt
tty Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-10-18 18:11:04 -07:00
uio uio: Export definition of struct uio_device 2014-10-02 21:35:54 -07:00
usb Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2014-10-13 11:28:42 +02:00
uwb
vfio IOMMU Updates for Linux v3.18 2014-10-15 07:23:49 +02:00
vhost
video Merge branch '3.18/omapdss-fixes' into 3.18/fbdev-fixes 2014-10-30 14:53:49 +02:00
virt
virtio One cc: stable commit, the rest are a series of minor cleanups which have 2014-10-18 10:25:09 -07:00
vlynq
vme
w1
watchdog watchdog: meson: remove magic value for reboot 2014-10-20 21:09:17 +02:00
xen xen/pci: Allocate memory for physdev_pci_device_add's optarr 2014-10-23 16:24:02 +01:00
zorro
Kconfig
Makefile