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Peter Hurley 308bbc9ab8 serial: omap: Prevent DoS using unprivileged ioctl(TIOCSRS485) 
The omap-serial driver emulates RS485 delays using software timers,
but neglects to clamp the input values from the unprivileged
ioctl(TIOCSRS485). Because the software implementation busy-waits,
malicious userspace could stall the cpu for ~49 days.

Clamp the input values to < 100ms.

Fixes: 4a0ac0f55b ("OMAP: add RS485 support")
Cc: <stable@vger.kernel.org>  # 3.12+
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-02-06 23:04:51 -08:00
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accessibility
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acpi
Merge branches 'acpi-video' and 'acpi-hotplug'
2016-01-29 21:44:53 +01:00
amba
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android
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ata
Merge branch 'for-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata
2016-01-11 19:33:59 -08:00
atm
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auxdisplay
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base
Merge tag 'driver-core-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2016-01-31 16:55:04 -08:00
bcma
Merge tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2016-01-17 12:32:01 -08:00
block
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
2016-01-24 12:34:13 -08:00
bluetooth
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bus
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2016-01-20 18:42:30 -08:00
cdrom
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char
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2016-01-23 12:24:56 -08:00
clk
Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2016-01-20 18:16:29 -08:00
clocksource
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-31 15:49:06 -08:00
connector
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cpufreq
Merge branches 'pm-cpuidle', 'pm-cpufreq', 'pm-domains' and 'pm-sleep'
2016-01-29 21:45:17 +01:00
cpuidle
Merge branches 'pm-cpuidle', 'pm-cpufreq', 'pm-domains' and 'pm-sleep'
2016-01-29 21:45:17 +01:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2016-01-22 11:58:43 -08:00
dca
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devfreq
PM / devfreq: Do not show statistics if it's not ready.
2016-01-13 17:30:33 +09:00
dio
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dma
Merge tag 'dmaengine-fix-4.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma
2016-01-20 10:15:21 -08:00
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
UBSAN: run-time undefined behavior sanity checker
2016-01-20 17:09:18 -08:00
fmc
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fpga
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gpio
Merge tag 'armsoc-multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2016-01-20 18:03:56 -08:00
gpu
Merge branch 'drm-rockchip-next-fixes-2016-01-22' of https://github.com/markyzq/kernel-drm-rockchip into drm-fixes
2016-01-29 10:04:29 +10:00
hid
Merge tag 'asm-generic-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
2016-01-20 17:30:20 -08:00
hsi
HSI: omap_ssi_port: fix handling of_get_named_gpio result
2016-01-07 16:07:54 +01:00
hv
Merge tag 'char-misc-4.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2016-01-13 10:23:36 -08:00
hwmon
hwmon: (fam15h_power) Add bit masking for tdp_limit
2016-01-27 18:48:46 -08:00
hwspinlock
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hwtracing
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i2c
i2c: piix4: don't regress on bus names
2016-01-29 11:13:52 +01:00
ide
drivers/ide: make ide-scan-pci.c driver explicitly non-modular
2016-01-18 14:12:33 -05:00
idle
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iio
Merge tag 'staging-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
2016-01-31 17:00:27 -08:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
2016-01-23 18:45:06 -08:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2016-01-22 17:20:30 -08:00
iommu
iommu/amd: Correct the wrong setting of alias DTE in do_attach
2016-01-29 12:30:47 +01:00
ipack
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irqchip
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-31 14:48:58 -08:00
isdn
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2016-01-11 23:55:43 -05:00
leds
Merge tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2016-01-17 12:32:01 -08:00
lguest
lguest: Map switcher text R/O
2016-01-12 12:17:28 +01:00
lightnvm
lightnvm: introduce factory reset
2016-01-12 08:21:18 -07:00
macintosh
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mailbox
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mcb
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md
Merge branch 'for-4.5/drivers' of git://git.kernel.dk/linux-block
2016-01-21 18:19:38 -08:00
media
dma-mapping: always provide the dma_map_ops based implementation
2016-01-20 17:09:18 -08:00
memory
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2016-01-20 18:42:30 -08:00
memstick
memstick: use sector_div instead of do_div
2016-01-20 17:09:18 -08:00
message
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mfd
Merge tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2016-01-17 12:32:01 -08:00
misc
Merge branch 'akpm' (patches from Andrew)
2016-01-21 12:32:08 -08:00
mmc
Merge tag 'mmc-v4.5-rc1' of git://git.linaro.org/people/ulf.hansson/mmc
2016-01-22 12:04:21 -08:00
mtd
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2016-01-24 12:50:56 -08:00
net
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma
2016-01-23 18:45:06 -08:00
nfc
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ntb
NTB: Fix macro parameter conflict with field name
2016-01-21 19:53:10 -05:00
nubus
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nvdimm
mm, dax, pmem: introduce {get|put}_dev_pagemap() for dax-gup
2016-01-15 17:56:32 -08:00
nvme
Merge branch 'for-4.5/nvme' of git://git.kernel.dk/linux-block
2016-01-21 19:58:02 -08:00
nvmem
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of
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2016-01-31 14:48:58 -08:00
oprofile
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
parisc
parisc: convert to dma_map_ops
2016-01-20 17:09:18 -08:00
parport
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pci
Merge branches 'acpi-video' and 'acpi-hotplug'
2016-01-29 21:44:53 +01:00
pcmcia
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perf
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phy
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pinctrl
Merge tag 'gpio-v4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
2016-01-17 12:32:01 -08:00
platform
ideapad-laptop: Add Lenovo Yoga 700 to no_hw_rfkill dmi list
2016-01-24 10:15:01 -08:00
pnp
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power
power: bq27xxx_battery: Fix bq27541 AveragePower register address
2016-01-14 01:03:18 +01:00
powercap
Merge branch 'powercap'
2016-01-12 01:12:40 +01:00
pps
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ps3
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ptp
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pwm
pwm: Mark all devices as "might sleep"
2016-01-21 15:04:59 +01:00
rapidio
rapidio: use kobj_to_dev()
2016-01-20 17:09:18 -08:00
ras
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regulator
Merge tag 'regulator-v4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
2016-01-15 12:14:47 -08:00
remoteproc
virtio: make find_vqs() checkpatch.pl-friendly
2016-01-12 20:47:06 +02:00
reset
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rpmsg
virtio: make find_vqs() checkpatch.pl-friendly
2016-01-12 20:47:06 +02:00
rtc
Merge tag 'rtc-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2016-01-18 12:10:45 -08:00
s390
s390/cio: update measurement characteristics
2016-01-26 12:47:51 +01:00
sbus
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scsi
Merge remote-tracking branch 'mkp-scsi/4.5/scsi-fixes' into fixes
2016-01-26 17:44:42 -08:00
sfi
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sh
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sn
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soc
Merge tag 'armsoc-tegra' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2016-01-22 17:30:52 -08:00
spi
Merge tag 'powerpc-4.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2016-01-15 13:18:47 -08:00
spmi
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ssb
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staging
Merge tag 'tty-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2016-01-31 17:09:39 -08:00
target
Merge branch 'for-4.5/nvme' of git://git.kernel.dk/linux-block
2016-01-21 19:58:02 -08:00
tc
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thermal
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
2016-01-24 12:43:06 -08:00
thunderbolt
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tty
serial: omap: Prevent DoS using unprivileged ioctl(TIOCSRS485)
2016-02-06 23:04:51 -08:00
uio
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usb
Merge tag 'usb-serial-4.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
2016-01-28 08:32:42 -08:00
uwb
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vfio
vfio/noiommu: Don't use iommu_present() to track fake groups
2016-01-27 11:22:25 -07:00
vhost
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video
wrappers for ->i_mutex access
2016-01-22 18:04:28 -05:00
virt
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virtio
virtio_pci: fix use after free on release
2016-01-26 10:18:28 +02:00
vlynq
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vme
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w1
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watchdog
watchdog: asm9260: remove __init and __exit annotations
2016-01-11 22:48:05 +01:00
xen
Merge branch 'stable/for-linus-4.5' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/mm
2016-01-29 15:13:48 -08:00
zorro
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Kconfig
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Makefile
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