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Taehee Yoo fda2ec62cf vxlan: fix memleak of fdb 
When vxlan interface is deleted, all fdbs are deleted by vxlan_flush().
vxlan_flush() flushes fdbs but it doesn't delete fdb, which contains
all-zeros-mac because it is deleted by vxlan_uninit().
But vxlan_uninit() deletes only the fdb, which contains both all-zeros-mac
and default vni.
So, the fdb, which contains both all-zeros-mac and non-default vni
will not be deleted.

Test commands:
    ip link add vxlan0 type vxlan dstport 4789 external
    ip link set vxlan0 up
    bridge fdb add to 00:00:00:00:00:00 dst 172.0.0.1 dev vxlan0 via lo \
	    src_vni 10000 self permanent
    ip link del vxlan0

kmemleak reports as follows:
unreferenced object 0xffff9486b25ced88 (size 96):
  comm "bridge", pid 2151, jiffies 4294701712 (age 35506.901s)
  hex dump (first 32 bytes):
    02 00 00 00 ac 00 00 01 40 00 09 b1 86 94 ff ff  ........@.......
    46 02 00 00 00 00 00 00 a7 03 00 00 12 b5 6a 6b  F.............jk
  backtrace:
    [<00000000c10cf651>] vxlan_fdb_append.part.51+0x3c/0xf0 [vxlan]
    [<000000006b31a8d9>] vxlan_fdb_create+0x184/0x1a0 [vxlan]
    [<0000000049399045>] vxlan_fdb_update+0x12f/0x220 [vxlan]
    [<0000000090b1ef00>] vxlan_fdb_add+0x12a/0x1b0 [vxlan]
    [<0000000056633c2c>] rtnl_fdb_add+0x187/0x270
    [<00000000dd5dfb6b>] rtnetlink_rcv_msg+0x264/0x490
    [<00000000fc44dd54>] netlink_rcv_skb+0x4a/0x110
    [<00000000dff433e7>] netlink_unicast+0x18e/0x250
    [<00000000b87fb421>] netlink_sendmsg+0x2e9/0x400
    [<000000002ed55153>] ____sys_sendmsg+0x237/0x260
    [<00000000faa51c66>] ___sys_sendmsg+0x88/0xd0
    [<000000006c3982f1>] __sys_sendmsg+0x4e/0x80
    [<00000000a8f875d2>] do_syscall_64+0x56/0xe0
    [<000000003610eefa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
unreferenced object 0xffff9486b1c40080 (size 128):
  comm "bridge", pid 2157, jiffies 4294701754 (age 35506.866s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 f8 dc 42 b2 86 94 ff ff  ..........B.....
    6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b  kkkkkkkkkkkkkkkk
  backtrace:
    [<00000000a2981b60>] vxlan_fdb_create+0x67/0x1a0 [vxlan]
    [<0000000049399045>] vxlan_fdb_update+0x12f/0x220 [vxlan]
    [<0000000090b1ef00>] vxlan_fdb_add+0x12a/0x1b0 [vxlan]
    [<0000000056633c2c>] rtnl_fdb_add+0x187/0x270
    [<00000000dd5dfb6b>] rtnetlink_rcv_msg+0x264/0x490
    [<00000000fc44dd54>] netlink_rcv_skb+0x4a/0x110
    [<00000000dff433e7>] netlink_unicast+0x18e/0x250
    [<00000000b87fb421>] netlink_sendmsg+0x2e9/0x400
    [<000000002ed55153>] ____sys_sendmsg+0x237/0x260
    [<00000000faa51c66>] ___sys_sendmsg+0x88/0xd0
    [<000000006c3982f1>] __sys_sendmsg+0x4e/0x80
    [<00000000a8f875d2>] do_syscall_64+0x56/0xe0
    [<000000003610eefa>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

Fixes: 3ad7a4b141 ("vxlan: support fdb and learning in COLLECT_METADATA mode")
Signed-off-by: Taehee Yoo <ap420073@gmail.com>
Acked-by: Roopa Prabhu <roopa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-01 11:49:18 -07:00
..
accessibility treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
acpi Merge branch 'acpi-fan' 2020-07-03 16:15:31 +02:00
amba ARM: tegra: Replace zero-length array with flexible-array 2020-06-15 23:08:28 -05:00
android binder: fix null deref of proc->context 2020-06-23 07:54:46 +02:00
ata libata-5.8-2020-06-19 2020-06-19 13:09:40 -07:00
atm atm: fix atm_dev refcnt leaks in atmtcp_remove_persistent 2020-07-30 17:35:53 -07:00
auxdisplay treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
base regmap: Fixes for v5.8 2020-07-17 09:58:18 -07:00
bcma
block Char/Misc fixes for 5.8-rc6 2020-07-16 11:26:40 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
bus Fix a suspend/resume regression (crash) on TI AM3/AM4 SoC's. 2020-07-25 13:27:12 -07:00
cdrom Merge branch 'work.sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-06-10 16:05:54 -07:00
char Char/Misc fixes for 5.8-rc6 2020-07-16 11:26:40 -07:00
clk A couple build fixes for issues exposed this merge window and a fix for 2020-07-15 19:00:12 -07:00
clocksource Fix a suspend/resume regression (crash) on TI AM3/AM4 SoC's. 2020-07-25 13:27:12 -07:00
connector treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
counter counter: 104-quad-8: Add lock guards - filter clock prescaler 2020-06-14 14:46:52 +01:00
cpufreq cpufreq: intel_pstate: Fix active mode setting from command line 2020-07-13 17:55:57 +02:00
cpuidle cpuidle: Rearrange s2idle-specific idle state entry code 2020-06-25 13:52:53 +02:00
crypto crypto/chtls: correct net_device reference count 2020-07-20 18:28:04 -07:00
dax device-dax: add memory via add_memory_driver_managed() 2020-06-04 19:06:23 -07:00
dca
devfreq
dio maccess: rename probe_kernel_{read,write} to copy_{from,to}_kernel_nofault 2020-06-17 10:57:41 -07:00
dma dmaengine fixes for v5.5-rc6 2020-07-15 15:58:11 -07:00
dma-buf dmabuf: use spinlock to access dmabuf->name 2020-07-10 15:39:29 +05:30
edac EDAC/amd64: Read back the scrub rate PCI register on F15h 2020-06-18 20:25:25 +02:00
eisa treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
extcon
firewire firewire: ohci: Replace zero-length array with flexible-array 2020-06-15 23:08:31 -05:00
firmware Various EFI fixes: 2020-07-25 13:18:42 -07:00
fpga FPGA Manager fixes for 5.8-rc1 2020-06-26 17:26:31 +02:00
fsi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
gnss treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
gpio gpio fixes for v5.8-rc3 2020-06-26 23:53:25 +02:00
gpu Merge tag 'amd-drm-fixes-5.8-2020-07-22' of git://people.freedesktop.org/~agd5f/linux into drm-fixes 2020-07-23 14:06:16 +10:00
greybus treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
hid Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid into master 2020-07-17 09:43:13 -07:00
hsi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
hv Drivers: hv: Change flag to write log level in panic msg to false 2020-06-29 10:30:35 +00:00
hwmon hwmon: (drivetemp) Avoid SCT usage on Toshiba DT01ACA family drives 2020-07-18 08:11:44 -07:00
hwspinlock
hwtracing intel_th: Fix a NULL dereference when hub driver is not loaded 2020-07-10 15:12:48 +02:00
i2c i2c: i2c-qcom-geni: Fix DMA transfer race 2020-07-23 22:26:44 +02:00
i3c
ide treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
idle
iio First set of IIO and counter fixes in the 5.8 cycle. 2020-07-08 09:20:50 +02:00
infiniband RDMA/mlx5: Prevent prefetch from racing with implicit destruction 2020-07-21 13:51:35 -03:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2020-07-13 18:31:15 -07:00
interconnect More power management updates for 5.8-rc1 2020-06-10 14:04:39 -07:00
iommu iommu/qcom: Use domain rather than dev as tlb cookie 2020-07-22 17:29:28 +02:00
ipack treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
irqchip Bugfixes and a one-liner patch to silence sparse. 2020-07-06 12:48:04 -07:00
isdn treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
leds LEDs pull request for 5.8-rc1. 2020-06-04 11:03:45 -07:00
lightnvm for-5.8/block-2020-06-01 2020-06-02 15:29:19 -07:00
macintosh treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mailbox mailbox: qcom: Add ipq6018 apcs compatible 2020-06-10 22:43:57 -05:00
mcb
md dm integrity: fix integrity recalculation that is improperly skipped 2020-07-23 14:39:37 -04:00
media media: omap3isp: remove cacheflush.h 2020-06-26 00:27:37 -07:00
memory
memstick
message scsi: mptfusion: Don't use GFP_ATOMIC for larger DMA allocations 2020-06-26 22:51:53 -04:00
mfd irqdomain/treewide: Keep firmware node unconditionally allocated 2020-07-14 17:44:42 +02:00
misc mei: bus: don't clean driver pointer 2020-06-29 19:10:51 +02:00
mmc mmc: sdhci-of-aspeed: Fix clock divider calculation 2020-07-13 12:17:34 +02:00
most
mtd mtd: rawnand: xway: Fix build issue 2020-07-07 21:04:38 +02:00
mux
net vxlan: fix memleak of fdb 2020-08-01 11:49:18 -07:00
nfc nfc: s3fwrn5: add missing release on skb in s3fwrn5_recv_frame 2020-07-20 18:31:33 -07:00
ntb NTB: perf: Fix race condition when run with ntb_test 2020-06-05 20:02:09 -04:00
nubus
nvdimm libnvdimm/security: Fix key lookup permissions 2020-07-08 17:08:01 -07:00
nvme nvme: explicitly update mpath disk capacity on revalidation 2020-07-16 16:40:27 +02:00
nvmem
of of: of_mdio: Correct loop scanning logic 2020-06-19 13:39:00 -07:00
opp opp: Increase parsed_static_opps in _of_add_opp_table_v1() 2020-07-16 08:50:54 +05:30
oprofile oprofile: Replace zero-length array with flexible-array 2020-06-15 23:08:32 -05:00
parisc
parport treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
pci pci-v5.8-fixes-2 2020-07-24 18:30:24 -07:00
pcmcia treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
perf drivers/perf: Prevent forced unbinding of PMU drivers 2020-07-17 10:51:44 +01:00
phy phy: fixes for 5.8 2020-07-08 18:00:07 +02:00
pinctrl intel-pinctrl for v5.8-2 2020-06-28 01:08:21 +02:00
platform platform/x86: asus-wmi: allow BAT1 battery name 2020-07-15 12:47:04 +03:00
pnp treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
power power supply and reset changes for the v5.8 series 2020-06-10 11:28:35 -07:00
powercap Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
pps treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ps3
ptp treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
pwm pwm: Add missing "CONFIG_" prefix 2020-06-04 19:09:28 +02:00
rapidio rapidio: Replace zero-length array with flexible-array 2020-06-15 23:08:32 -05:00
ras
regulator regulator: rename da903x to da903x-regulator 2020-06-25 15:29:21 +01:00
remoteproc remoteproc updates for v5.8 2020-06-08 13:01:08 -07:00
reset Char/Misc driver patches for 5.8-rc1 2020-06-07 10:59:32 -07:00
rpmsg remoteproc updates for v5.8 2020-06-08 13:01:08 -07:00
rtc RTC for 5.8 2020-06-07 16:11:23 -07:00
s390 vfio-ccw: Fix a build error due to missing include of linux/slab.h 2020-07-03 11:41:31 +02:00
sbus treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
scsi scsi: megaraid_sas: Remove undefined ENABLE_IRQ_POLL macro 2020-07-15 16:16:45 -04:00
sfi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
sh
siox
slimbus
soc i.MX fixes for 5.8, round 2: 2020-07-16 22:08:07 +02:00
soundwire soundwire: intel: fix memory leak with devm_kasprintf 2020-06-22 17:15:20 +05:30
spi spi: Fixes for v5.8 2020-07-17 10:24:09 -07:00
spmi
ssb
staging media fixes for v5.8-rc7 2020-07-22 11:56:00 -07:00
target Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
tc
tee mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
thermal - Fix invalid index array access on int340x_thermal leading to a 2020-07-16 11:08:54 -07:00
thunderbolt thunderbolt: Fix path indices used in USB3 tunnel discovery 2020-06-25 15:45:30 +03:00
tty TTY/Serial driver fixes for 5.8-rc6 2020-07-16 11:10:27 -07:00
uio uio_pdrv_genirq: fix use without device tree and no interrupt 2020-07-03 10:52:02 +02:00
usb USB-serial fixes for 5.8-rc6 2020-07-16 17:30:59 +02:00
vdpa vdpa: fix typos in the comments for __vdpa_alloc_device() 2020-06-22 12:34:21 -04:00
vfio vfio/pci: fix racy on error and request eventfd ctx 2020-07-17 08:28:40 -06:00
vhost tools/virtio: Add --reset 2020-06-22 12:34:21 -04:00
video Short summary of fixes pull (less than what git shortlog provides): 2020-06-26 13:49:17 +10:00
virt virt: vbox: Fix guest capabilities mask check 2020-07-10 13:40:19 +02:00
virtio pci-v5.8-fixes-2 2020-07-24 18:30:24 -07:00
visorbus treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
vlynq
vme treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
w1 w1: Replace zero-length array with flexible-array 2020-06-15 23:08:32 -05:00
watchdog treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
xen xen: branch for v5.8-rc5 2020-07-11 11:16:46 -07:00
zorro treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Kconfig
Makefile