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android_kernel_samsung_msm8976
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android_kernel_samsung_msm8976/drivers
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WANG Cong f4b623fbdb ppp: defer netns reference release for ppp channel 
commit 205e1e255c479f3fd77446415706463b282f94e4 upstream

Matt reported that we have a NULL pointer dereference
in ppp_pernet() from ppp_connect_channel(),
i.e. pch->chan_net is NULL.

This is due to that a parallel ppp_unregister_channel()
could happen while we are in ppp_connect_channel(), during
which pch->chan_net set to NULL. Since we need a reference
to net per channel, it makes sense to sync the refcnt
with the life time of the channel, therefore we should
release this reference when we destroy it.

Fixes: 1f461dcdd296 ("ppp: take reference on channels netns")
Reported-by: Matt Bennett <Matt.Bennett@alliedtelesis.co.nz>
Cc: Paul Mackerras <paulus@samba.org>
Cc: linux-ppp@vger.kernel.org
Cc: Guillaume Nault <g.nault@alphalink.fr>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Reviewed-by: Cyrill Gorcunov <gorcunov@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Willy Tarreau <w@1wt.eu>
 		2019-07-27 21:42:10 +02:00
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accessibility
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acpi
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amba
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android ANDROID: binder: add hwbinder,vndbinder to BINDER_DEVICES. 2018-02-06 13:12:16 +01:00
ata scsi: fix race between simultaneous decrements of ->host_failed 2019-07-27 21:41:57 +02:00
atm
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auxdisplay
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base base: make module_create_drivers_dir race-free 2019-07-27 21:41:56 +02:00
battery Import T813XXS2BRC2 kernel source changes 2018-05-26 00:39:42 +02:00
battery_v2 Import latest Samsung release 2017-04-18 03:43:52 +02:00
bcma
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bif
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block loop: fix concurrent lo_open/lo_release 2018-08-20 11:56:48 +02:00
bluetooth Merge tag 'LA.BR.1.3.6-05410-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2018-02-06 13:11:45 +01:00
bus
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cdrom BACKPORT: block: add blk_rq_set_block_pc() 2017-04-22 23:03:01 +02:00
char Merge tag 'LA.BR.1.3.6-05410-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2018-02-06 13:11:45 +01:00
clk This is the 3.10.102 stable release 2017-04-18 17:22:08 +02:00
clocksource Merge tag 'LA.BR.1.3.6-05410-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2018-02-06 13:11:45 +01:00
connector
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coresight coresight: tmc: Fix use after free issue with tmc read 2017-07-30 10:34:00 -07:00
cpufreq Import latest Samsung release 2017-04-18 03:43:52 +02:00
cpuidle Merge tag 'LA.BR.1.3.6-05410-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2018-02-06 13:11:45 +01:00
crypto crypto: nx - off by one bug in nx_of_update_msc() 2019-07-27 21:42:02 +02:00
dca
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debug Import latest Samsung release 2017-04-18 03:43:52 +02:00
debug_32 Import latest Samsung release 2017-04-18 03:43:52 +02:00
devfreq devfreq_devbw: Assign labels to devbw nodes. 2017-04-18 12:24:57 +02:00
dio
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dma Merge remote-tracking branch 'f2fs/linux-3.10.y' into HEAD 2017-04-18 17:02:28 +02:00
edac This is the 3.10.102 stable release 2017-04-18 17:22:08 +02:00
eisa
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esoc
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extcon Import latest Samsung release 2017-04-18 03:43:52 +02:00
fingerprint drivers: fingerprint: Kill FEATURE_SPI_WAKELOCK 2017-04-19 17:02:36 +02:00
firewire This is the 3.10.95 stable release 2017-04-18 17:14:54 +02:00
firmware Import T813XXU2BQD1 kernel source changes 2017-04-22 16:30:03 +02:00
gpio Import latest Samsung release 2017-04-18 03:43:52 +02:00
gpu Merge tag 'LA.BR.1.3.6-05010-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into cm-14.1-merge 2017-11-22 00:26:48 +01:00
hid HID: hid-input: Add parentheses to quell gcc warning 2019-07-27 21:42:01 +02:00
hsi
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hv
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hwmon This is the 3.10.102 stable release 2017-04-18 17:22:08 +02:00
hwspinlock
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i2c This is the 3.10.102 stable release 2017-04-18 17:22:08 +02:00
ide
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idle
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iio iio: Fix error handling in iio_trigger_attach_poll_func 2019-07-27 21:41:56 +02:00
infiniband
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input Input: xpad - validate USB endpoint count during probe 2019-07-27 21:41:49 +02:00
iommu This is the 3.10.98 stable release 2017-04-18 17:17:24 +02:00
ipack
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irqchip Import latest Samsung release 2017-04-18 03:43:52 +02:00
isdn
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leds Merge tag 'LA.BR.1.3.6-03510-8976.0' into HEAD 2017-04-18 12:11:50 +02:00
lguest Import latest Samsung release 2017-04-18 03:43:52 +02:00
macintosh
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mailbox
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md Merge tag 'LA.BR.1.3.6-04710-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2017-09-15 11:27:24 +02:00
media msm: camera: Return -NOTTY on invalid ioctl command. 2018-05-26 00:39:36 +02:00
memory
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memstick
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message
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mfd Merge tag 'LA.BR.1.3.6-05010-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into cm-14.1-merge 2017-11-22 00:26:48 +01:00
misc qseecom: fix an app unloading issue when the app is blocked 2018-08-20 12:03:48 +02:00
mmc mmc: block: fix packed command header endianness 2019-07-27 21:41:57 +02:00
motor Import latest Samsung release 2017-04-18 03:43:52 +02:00
mtd This is the 3.10.102 stable release 2017-04-18 17:22:08 +02:00
muic Import T813XXS2BRC2 kernel source changes 2018-05-26 00:39:42 +02:00
net ppp: defer netns reference release for ppp channel 2019-07-27 21:42:10 +02:00
nfc Import latest Samsung release 2017-04-18 03:43:52 +02:00
ntb
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nubus
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of Merge remote-tracking branch 'f2fs/linux-3.10.y' into HEAD 2017-04-18 17:02:28 +02:00
oprofile
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parisc
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parport
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pci Merge tag 'LA.BR.1.3.6-04110-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2017-07-08 18:34:23 +02:00
pcmcia
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phy
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pinctrl Merge remote-tracking branch 'f2fs/linux-3.10.y' into HEAD 2017-04-18 17:02:28 +02:00
platform Merge tag 'LA.BR.1.3.6-05410-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2018-02-06 13:11:45 +01:00
pnp
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power angler: remove 'reboot edl' interface for security 2018-05-26 00:39:32 +02:00
pps
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ps3
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ptp
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pwm
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rapidio
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regulator Merge remote-tracking branch 'f2fs/linux-3.10.y' into HEAD 2017-04-18 17:02:28 +02:00
remoteproc
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reset
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rpmsg
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rtc Import T813XXS2BRC2 kernel source changes 2018-05-26 00:39:42 +02:00
s390
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sbus
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scsi scsi_lib: correctly retry failed zero length REQ_TYPE_FS commands 2019-07-27 21:41:58 +02:00
sensorhub Import T713XXU2BQD3 kernel source changes 2017-07-01 12:51:07 +02:00
sensors Import latest Samsung release 2017-04-18 03:43:52 +02:00
sfi
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sh
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slimbus slim-msm: Synchronize SSR callbacks 2017-05-05 19:20:28 +00:00
sn
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soc ASoC: apr: Add validity check to APR port 2018-08-20 12:08:44 +02:00
soundwire
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spi This is the 3.10.97 stable release 2017-04-18 17:17:20 +02:00
spmi Merge tag 'LA.BR.1.3.6-03510-8976.0' into HEAD 2017-04-18 12:11:50 +02:00
ssb
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ssbi
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staging Import T813XXS2BRC2 kernel source changes 2018-05-26 00:39:42 +02:00
switch
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target BACKPORT: block: add blk_rq_set_block_pc() 2017-04-22 23:03:01 +02:00
tc
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thermal Merge tag 'LA.BR.1.3.6-03910-8976.0' of https://source.codeaurora.org/quic/la/kernel/msm-3.10 into HEAD 2017-05-26 13:28:48 +02:00
tty tty: n_hdlc: get rid of racy n_hdlc.tbuf 2017-04-22 23:02:57 +02:00
uio Merge tag 'LA.BR.1.3.6-03510-8976.0' into HEAD 2017-04-18 12:11:50 +02:00
usb USB: serial: option: add support for Telit LE910 PID 0x1206 2019-07-27 21:41:46 +02:00
uwb
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vfio
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vhost Merge remote-tracking branch 'f2fs/linux-3.10.y' into HEAD 2017-04-18 17:02:28 +02:00
video Import T813XXS2BRC2 kernel source changes 2018-05-26 00:39:42 +02:00
virt
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virtio
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vlynq
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vme
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w1
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watchdog
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xen This is the 3.10.96 stable release 2017-04-18 17:16:02 +02:00
zorro
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Kconfig msm: gud: Remove gud driver 2017-09-08 18:49:12 +00:00
Makefile msm: gud: Remove gud driver 2017-09-08 18:49:12 +00:00