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Dan Carpenter 5d8115f535 drm/i810: Prevent underflow in ioctl 
commit 4f69851fba upstream.

The "used" variables here come from the user in the ioctl and it can be
negative.  It could result in an out of bounds write.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20191004102251.GC823@mwanda
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-12-13 08:42:56 +01:00
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accessibility
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acpi
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amba
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android
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ata
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atm
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auxdisplay
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base
driver core: platform: use the correct callback type for bus_find_device
2019-12-04 22:30:45 +01:00
bcma
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block
nbd: prevent memory leak
2019-11-29 10:09:47 +01:00
bluetooth
Revert "Bluetooth: hci_ll: set operational frequency earlier"
2019-11-29 10:09:43 +01:00
bus
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cdrom
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char
lp: fix sparc64 LPSETTIMEOUT ioctl
2019-12-13 08:42:17 +01:00
clk
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2019-11-08 08:15:01 -08:00
clocksource
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connector
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counter
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cpufreq
cpufreq: Add NULL checks to show() and store() methods of cpufreq
2019-11-29 10:10:07 +01:00
cpuidle
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crypto
crypto: talitos - Fix build error by selecting LIB_DES
2019-12-04 22:31:07 +01:00
dax
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dca
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devfreq
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dio
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dma
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dma-buf
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edac
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eisa
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extcon
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firewire
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firmware
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fpga
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fsi
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gnss
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gpio
Merge tag 'gpio-v5.4-rc8-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux into fixes
2019-11-13 22:58:01 +01:00
gpu
drm/i810: Prevent underflow in ioctl
2019-12-13 08:42:56 +01:00
greybus
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hid
HID: core: check whether Usage Page item is after Usage ID items
2019-12-04 22:31:07 +01:00
hsi
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hv
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hwmon
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hwspinlock
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hwtracing
coresight: etm4x: Fix input validation for sysfs.
2019-12-13 08:42:43 +01:00
i2c
i2c: core: fix use after free in of_i2c_notify
2019-11-15 22:01:13 +01:00
i3c
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ide
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idle
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iio
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infiniband
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input
Input: Fix memory leak in psxpad_spi_probe
2019-12-13 08:42:44 +01:00
interconnect
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iommu
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ipack
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irqchip
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isdn
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leds
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lightnvm
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macintosh
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mailbox
mailbox: tegra: Fix superfluous IRQ error message
2019-12-13 08:42:19 +01:00
mcb
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md
md/raid10: prevent access of uninitialized resync_pages offset
2019-11-29 10:09:45 +01:00
media
media: rc: mark input device as pointing stick
2019-12-13 08:42:45 +01:00
memory
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memstick
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message
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mfd
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misc
mei: me: add comet point V device id
2019-12-04 22:30:49 +01:00
mmc
mmc: sdhci-of-at91: fix quirk2 overwrite
2019-11-14 14:57:53 +01:00
mtd
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mux
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net
can: slcan: Fix use-after-free Read in slcan_open
2019-12-13 08:42:50 +01:00
nfc
nfc: port100: handle command failure cleanly
2019-11-21 11:48:17 -08:00
ntb
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nubus
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nvdimm
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nvme
Merge tag 'for-linus-2019-11-08' of git://git.kernel.dk/linux-block
2019-11-08 18:15:55 -08:00
nvmem
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of
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opp
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oprofile
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parisc
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parport
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pci
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pcmcia
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perf
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phy
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pinctrl
pinctrl: stmfx: fix valid_mask init sequence
2019-11-07 10:06:46 +01:00
platform
platform/x86: hp-wmi: Fix ACPI errors caused by passing 0 as input size
2019-12-04 22:31:08 +01:00
pnp
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power
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powercap
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pps
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ps3
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ptp
ptp: Introduce strict checking of external time stamp options.
2019-11-15 12:48:32 -08:00
pwm
pwm: bcm-iproc: Prevent unloading the driver module while in use
2019-11-08 18:38:06 +01:00
rapidio
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ras
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regulator
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remoteproc
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reset
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rpmsg
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rtc
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s390
s390/qeth: return proper errno on IO error
2019-11-20 12:29:47 -08:00
sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2019-11-11 09:14:36 -08:00
sfi
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sh
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siox
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slimbus
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soc
soc: mediatek: cmdq: fixup wrong input order of write api
2019-12-13 08:42:40 +01:00
soundwire
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spi
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spmi
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ssb
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staging
staging/octeon: Use stubs for MIPS && !CAVIUM_OCTEON_SOC
2019-12-13 08:42:19 +01:00
target
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tc
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tee
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thermal
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thunderbolt
thunderbolt: Power cycle the router if NVM authentication fails
2019-12-04 22:30:50 +01:00
tty
tty: vt: keyboard: reject invalid keycodes
2019-12-13 08:42:50 +01:00
uio
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usb
usb: gadget: u_serial: add missing port entry locking
2019-12-13 08:42:20 +01:00
vfio
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vhost
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video
Merge tag 'drm-misc-fixes-2019-11-07-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
2019-11-08 12:12:57 +10:00
virt
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virtio
virtio_balloon: fix shrinker count
2019-11-20 02:15:57 -05:00
visorbus
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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
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zorro
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Kconfig
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Makefile
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