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Hyunwoo Kim 280a8ab817 media: dvb-core: Fix use-after-free due to race condition at dvb_ca_en50221 
If the device node of dvb_ca_en50221 is open() and the
device is disconnected, a UAF may occur when calling
close() on the device node.

The root cause is that wake_up() and wait_event() for
dvbdev->wait_queue are not implemented.

So implement wait_event() function in dvb_ca_en50221_release()
and add 'remove_mutex' which prevents race condition
for 'ca->exit'.

[mchehab: fix a checkpatch warning]

Link: https://lore.kernel.org/linux-media/20221121063308.GA33821@ubuntu
Signed-off-by: Hyunwoo Kim <v4bel@theori.io>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
2023-05-14 16:04:48 +01:00
..
accel
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
accessibility
…
acpi
ACPI: video: Remove acpi_backlight=video quirk for Lenovo ThinkPad W530
2023-05-04 20:23:41 +02:00
amba
…
android
…
ata
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
atm
…
auxdisplay
…
base
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
bcma
…
block
for-6.4/io_uring-2023-05-07
2023-05-07 10:00:09 -07:00
bluetooth
Bluetooth: btusb: Add WCN6855 devcoredump support
2023-04-23 22:07:27 -07:00
bus
modules-6.4-rc1
2023-04-27 16:36:55 -07:00
cdrom
…
cdx
cdx: fix build failure due to sysfs 'bus_type' argument needing to be const
2023-04-27 16:21:32 -07:00
char
This PR fixes a critical bug in my first pull request. I fixed the
2023-05-01 10:37:37 -07:00
clk
A couple more patches that would be good to get into -rc1.
2023-05-07 10:31:45 -07:00
clocksource
Timekeeping and clocksource/event driver updates the second batch:
2023-04-29 10:24:30 -07:00
comedi
…
connector
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counter
- New Drivers
2023-05-02 10:41:31 -07:00
cpufreq
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
cpuidle
RISC-V: Align SBI probe implementation with spec
2023-04-29 13:04:50 -07:00
crypto
This push fixes the following problems:
2023-05-07 10:57:14 -07:00
cxl
cxl for v6.4
2023-04-30 11:51:51 -07:00
dax
…
dca
Mainly singleton patches all over the place. Series of note are:
2023-04-27 19:57:00 -07:00
devfreq
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
dio
…
dma
dmaengine updates for v6.4
2023-05-03 11:11:56 -07:00
dma-buf
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
edac
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
eisa
…
extcon
…
firewire
firewire updates for 6.4-rc1
2023-04-27 11:27:48 -07:00
firmware
EFI updates for v6.4:
2023-04-29 17:42:33 -07:00
fpga
Char/Misc drivers for 6.4-rc1
2023-04-27 12:07:50 -07:00
fsi
…
gnss
…
gpio
hte: Changes for v6.4-rc1
2023-05-03 11:00:27 -07:00
gpu
drm fixes part 2 for 6.4-rc1
2023-05-05 11:49:22 -07:00
greybus
…
hid
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
hsi
…
hte
Devicetree updates for v6.4, part 2:
2023-04-27 10:09:05 -07:00
hv
hyperv-next for v6.4
2023-04-27 17:17:12 -07:00
hwmon
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
hwspinlock
…
hwtracing
…
i2c
i2c: gxp: fix build failure without CONFIG_I2C_SLAVE
2023-05-03 17:27:29 +02:00
i3c
i3c: ast2600: set variable ast2600_i3c_ops storage-class-specifier to static
2023-04-30 23:50:26 +02:00
idle
intel_idle: mark few variables as __read_mostly
2023-04-27 19:37:36 +02:00
iio
Char/Misc drivers for 6.4-rc1
2023-04-27 12:07:50 -07:00
infiniband
v6.4 merge window RDMA pull request
2023-04-29 17:21:24 -07:00
input
Input updates for 6.4 merge window:
2023-05-01 17:18:56 -07:00
interconnect
modules-6.4-rc1
2023-04-27 16:36:55 -07:00
iommu
IOMMU Updates for Linux 6.4
2023-04-30 13:00:38 -07:00
ipack
…
irqchip
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
isdn
Including fixes from netfilter.
2023-05-05 19:12:01 -07:00
leds
- New Drivers
2023-05-02 10:36:02 -07:00
macintosh
powerpc updates for 6.4
2023-04-28 16:24:32 -07:00
mailbox
- mailbox api: allow direct registration to a channel
2023-05-07 10:17:33 -07:00
mcb
mcb-lpc: Reallocate memory region to avoid memory overlapping
2023-04-20 14:24:01 +02:00
md
for-6.4/block-2023-05-06
2023-05-06 08:28:58 -07:00
media
media: dvb-core: Fix use-after-free due to race condition at dvb_ca_en50221
2023-05-14 16:04:48 +01:00
memory
ARM: SoC drivers for v6.4
2023-04-25 12:02:16 -07:00
memstick
…
message
Objtool changes for v6.4:
2023-04-28 14:02:54 -07:00
mfd
- New Drivers
2023-05-02 10:41:31 -07:00
misc
Objtool changes for v6.4:
2023-04-28 14:02:54 -07:00
mmc
TTY/Serial changes for 6.4-rc1
2023-04-27 11:46:26 -07:00
most
…
mtd
This pull request contains updates for UBI and UBIFS
2023-05-03 18:58:59 -07:00
mux
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net
Including fixes from netfilter.
2023-05-05 19:12:01 -07:00
nfc
drivers: nfc: nfcsim: remove return value check of dev_dir
2023-04-24 18:12:42 -07:00
ntb
…
nubus
…
nvdimm
…
nvme
for-6.4/io_uring-2023-05-07
2023-05-07 10:00:09 -07:00
nvmem
modules-6.4-rc1
2023-04-27 16:36:55 -07:00
of
Devicetree fixes for 6.4, part 1:
2023-05-05 13:27:59 -07:00
opp
Devicetree updates for v6.4, part 2:
2023-04-27 10:09:05 -07:00
parisc
parisc: Replace regular spinlock with spin_trylock on panic path
2023-05-03 17:43:26 +02:00
parport
…
pci
cxl for v6.4
2023-04-30 11:51:51 -07:00
pcmcia
…
peci
…
perf
RISC-V: Align SBI probe implementation with spec
2023-04-29 13:04:50 -07:00
phy
phy fixes for 6.4
2023-05-05 11:57:29 -07:00
pinctrl
Pin control bulk changes for the v6.4 kernel:
2023-05-02 15:40:41 -07:00
platform
modules-6.4-rc1
2023-04-27 16:36:55 -07:00
pnp
…
power
power supply and reset changes for the v6.4 series
2023-04-29 17:37:02 -07:00
powercap
…
pps
…
ps3
…
ptp
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
pwm
pwm: Changes for v6.4-rc1
2023-05-03 11:25:01 -07:00
rapidio
Mainly singleton patches all over the place. Series of note are:
2023-04-27 19:57:00 -07:00
ras
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regulator
modules-6.4-rc1
2023-04-27 16:36:55 -07:00
remoteproc
Mainly singleton patches all over the place. Series of note are:
2023-04-27 19:57:00 -07:00
reset
Nothing looks out of the ordinary in this batch of clk driver updates. There
2023-04-29 17:29:39 -07:00
rpmsg
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
rtc
- New Drivers
2023-05-02 10:41:31 -07:00
s390
s390 updates for the 6.4 merge window
2023-04-30 11:43:31 -07:00
sbus
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
scsi
SCSI misc on 20230506
2023-05-06 08:37:28 -07:00
sh
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siox
…
slimbus
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soc
modules-6.4-rc1
2023-04-27 16:36:55 -07:00
soundwire
…
spi
Char/Misc drivers for 6.4-rc1
2023-04-27 12:07:50 -07:00
spmi
…
ssb
…
staging
modules-6.4-rc1
2023-04-27 16:36:55 -07:00
target
…
tc
…
tee
Driver core changes for 6.4-rc1
2023-04-27 11:53:57 -07:00
thermal
thermal: intel: powerclamp: Fix NULL pointer access issue
2023-05-04 20:30:18 +02:00
thunderbolt
…
tty
Char/Misc drivers for 6.4-rc1
2023-04-27 12:07:50 -07:00
ufs
SCSI misc on 20230506
2023-05-06 08:37:28 -07:00
uio
…
usb
Char/Misc drivers for 6.4-rc1
2023-04-27 12:07:50 -07:00
vdpa
virtio,vhost,vdpa: features, fixes, cleanups
2023-04-27 17:05:34 -07:00
vfio
VFIO updates for v6.4-rc1
2023-05-02 11:56:43 -07:00
vhost
Scheduler changes for v6.4:
2023-04-28 14:53:30 -07:00
video
- Fix-ups
2023-05-02 10:46:11 -07:00
virt
Devicetree updates for v6.4, part 2:
2023-04-27 10:09:05 -07:00
virtio
- Nick Piggin's "shoot lazy tlbs" series, to improve the peformance of
2023-04-27 19:42:02 -07:00
vlynq
…
w1
Char/Misc drivers for 6.4-rc1
2023-04-27 12:07:50 -07:00
watchdog
linux-watchdog 6.4-rc1 tag
2023-05-04 18:33:56 -07:00
xen
xen: branch for v6.4-rc1
2023-04-27 17:27:06 -07:00
zorro
…
Kconfig
…
Makefile
…