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Roger Pau Monné 1877914910 xen-blkback: read from indirect descriptors only once 
Since indirect descriptors are in memory shared with the frontend, the
frontend could alter the first_sect and last_sect values after they have
been validated but before they are recorded in the request.  This may
result in I/O requests that overflow the foreign page, possibly
overwriting local pages when the I/O request is executed.

When parsing indirect descriptors, only read first_sect and last_sect
once.

This is part of XSA155.

CC: stable@vger.kernel.org
Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2015-12-18 10:00:37 -05:00
..
accessibility
…
acpi
ACPICA: Tables: Fix FADT dependency regression
2015-10-14 22:48:13 +02:00
amba
…
android
mm: mark most vm_operations_struct const
2015-09-10 13:29:01 -07:00
ata
Merge branch 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus
2015-09-03 16:55:55 -07:00
atm
solos-pci: Increase headroom on received packets
2015-09-17 21:29:07 -07:00
auxdisplay
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base
PM / Domains: Fix validation of latency constraints in genpd governor
2015-10-14 02:34:43 +02:00
bcma
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block
xen-blkback: read from indirect descriptors only once
2015-12-18 10:00:37 -05:00
bluetooth
Bluetooth: hci_bcm: Fix crash on suspend
2015-08-28 21:09:14 +02:00
bus
arm-cci500: Don't enable PMU driver by default
2015-09-28 16:31:17 -07:00
cdrom
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char
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2015-09-26 21:05:23 -04:00
clk
Partially revert "clk: mvebu: Convert to clk_hw based provider APIs"
2015-10-14 11:28:17 -07:00
clocksource
clocksource/drivers/keystone: Fix bad NO_IRQ usage
2015-09-29 14:33:51 +02:00
connector
…
cpufreq
cpufreq: intel_pstate: Fix divide by zero on Knights Landing (KNL)
2015-10-15 22:46:33 +02:00
cpuidle
Additional power management and ACPI material for v4.3-rc1
2015-09-11 19:11:06 -07:00
crypto
Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2015-09-26 21:05:23 -04:00
dca
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devfreq
PM / devfreq: fix double kfree
2015-10-02 11:05:58 +09:00
dio
…
dma
dmaengine fixes for 4.3-rc4
2015-10-02 14:46:15 -04:00
dma-buf
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edac
edac updates for v4.3-rc1
2015-09-11 16:21:12 -07:00
eisa
…
extcon
extcon: Fix attached value returned by is_extcon_changed
2015-09-21 15:07:19 +09:00
firewire
…
firmware
arm64/efi: Fix boot crash by not padding between EFI_MEMORY_RUNTIME regions
2015-10-01 12:51:28 +02:00
fmc
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gpio
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2015-09-18 08:11:42 -07:00
gpu
drm/virtio: use %llu format string form atomic64_t
2015-10-16 11:36:36 +10:00
hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2015-09-04 12:02:11 -07:00
hsi
mm: mark most vm_operations_struct const
2015-09-10 13:29:01 -07:00
hv
Drivers: hv: vmbus: fix init_vp_index() for reloading hv_netvsc
2015-09-20 22:44:51 -07:00
hwmon
hwmon: (pwm-fan) Fix module autoload for OF platform driver
2015-09-20 17:50:19 -07:00
hwspinlock
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hwtracing/coresight
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i2c
i2c: designware: Do not use parameters from ACPI on Dell Inspiron 7348
2015-10-18 14:11:08 +02:00
ide
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idle
intel_idle: Skylake Client Support - updated
2015-09-10 14:03:44 -04:00
iio
This is the bulk of GPIO changes for the v4.3 kernel cycle:
2015-09-04 10:07:45 -07:00
infiniband
Changes for 4.3-rc5
2015-10-15 13:44:35 -07:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2015-10-16 17:39:27 -07:00
iommu
IOMMU Fixes for Linux v4.3-rc5
2015-10-13 10:09:59 -07:00
ipack
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irqchip
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2015-10-04 11:40:09 +01:00
isdn
libnvdimm for 4.3:
2015-09-08 14:35:59 -07:00
leds
leds:lp55xx: Correct Kconfig dependency for f/w user helper
2015-09-17 10:02:20 +02:00
lguest
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macintosh
powerpc updates for 4.3
2015-09-03 16:41:38 -07:00
mailbox
Merge branch 'mailbox-for-next' of git://git.linaro.org/landing-teams/working/fujitsu/integration
2015-09-05 18:11:04 -07:00
mcb
mcb: Fix error handling in mcb_pci_probe()
2015-10-05 05:10:01 +01:00
md
dm thin: fix missing pool reference count decrement in pool_ctr error path
2015-10-13 12:20:55 -04:00
media
media updates for v4.3-rc1
2015-09-11 16:42:39 -07:00
memory
IOMMU Updates for Linux v4.3
2015-09-08 17:22:35 -07:00
memstick
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message
mptfusion: prevent some memory corruption
2015-08-26 07:11:45 -07:00
mfd
mfd: max77843: Fix max77843_chg_init() return on error
2015-10-01 16:31:42 +01:00
misc
powerpc fixes for 4.3 #3
2015-10-16 12:07:43 -07:00
mmc
mmc: sdhci-of-at91: use SDHCI_QUIRK2_NEED_DELAY_AFTER_INT_CLK_RST quirk
2015-10-08 19:55:05 +02:00
mtd
A few MTD fixes:
2015-10-07 09:35:15 +01:00
net
xen-netback: use RING_COPY_REQUEST() throughout
2015-12-18 10:00:28 -05:00
nfc
This is the bulk of GPIO changes for the v4.3 kernel cycle:
2015-09-04 10:07:45 -07:00
ntb
NTB: Fix range check on memory window index
2015-09-07 15:27:12 -04:00
nubus
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nvdimm
pmem: add proper fencing to pmem_rw_page()
2015-09-17 11:49:28 -04:00
nvmem
nvmem: sunxi: Check for memory allocation failure
2015-10-04 12:09:43 +01:00
of
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2015-09-26 06:01:33 -04:00
oprofile
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parisc
PCI: Revert "PCI: Call pci_read_bridge_bases() from core instead of arch code"
2015-09-15 13:18:04 -05:00
parport
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pci
genirq/msi: Do not use pci_msi_[un]mask_irq as default methods
2015-10-16 12:40:43 +02:00
pcmcia
pcmcia: soc_common: remove skt_dev_info's clk pointer
2015-09-03 16:01:03 +01:00
perf
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phy
phy: berlin-sata: Fix module autoload for OF platform driver
2015-09-25 17:01:14 +05:30
pinctrl
pinctrl: uniphier: fix input enable settings for PH1-sLD8
2015-10-02 04:06:26 -07:00
platform
platform-drivers-x86 for 4.3-2
2015-09-17 21:41:02 -07:00
pnp
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power
power supply and reset fixes for the v4.3 series
2015-09-17 12:25:42 -07:00
powercap
powercap / RAPL: disable the 2nd power limit properly
2015-08-29 01:46:40 +02:00
pps
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ps3
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ptp
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pwm
pwm: Changes for v4.3-rc1
2015-09-09 10:55:32 -07:00
rapidio
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ras
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regulator
Merge remote-tracking branch 'regulator/fix/axp20x' into regulator-linus
2015-10-06 12:00:42 +01:00
remoteproc
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reset
reset: ath79: Fix missing spin_lock_init
2015-09-01 14:48:40 +02:00
rpmsg
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rtc
rtc: abx80x: fix RTC write bit
2015-09-05 19:37:31 +02:00
s390
virtio: fixes on top of 4.3-rc1
2015-09-18 09:28:20 -07:00
sbus
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scsi
SCSI fixes on 20151010
2015-10-11 10:02:30 -07:00
sfi
…
sh
SH Drivers Updates for v4.3
2015-09-21 12:02:27 -07:00
sn
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soc
genirq: Remove irq argument from irq flow handlers
2015-09-16 15:47:51 +02:00
spi
Merge remote-tracking branches 'spi/fix/davinci' and 'spi/fix/sh-msiof' into spi-linus
2015-10-07 11:43:39 +01:00
spmi
genirq: Remove irq argument from irq flow handlers
2015-09-16 15:47:51 +02:00
ssb
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staging
mm, fs: obey gfp_mapping for add_to_page_cache()
2015-10-16 11:42:28 -07:00
target
iscsi-target: Avoid OFMarker + IFMarker negotiation
2015-09-24 23:24:46 -07:00
tc
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thermal
thermal: avoid division by zero in power allocator
2015-10-01 21:42:35 -04:00
thunderbolt
thunderbolt: Allow loading of module on recent Apple MacBooks with thunderbolt 2 controller
2015-09-20 15:20:11 -07:00
tty
tty/hvc: xen: Use xen page definition
2015-10-23 14:20:37 +01:00
uio
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usb
usb: Add device quirk for Logitech PTZ cameras
2015-10-04 11:01:13 +01:00
uwb
…
vfio
…
vhost
virtio: fixes on top of 4.3-rc1
2015-09-18 09:28:20 -07:00
video
video: of: fix memory leak
2015-10-07 14:13:59 +03:00
virt
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virtio
virtio_balloon: do not change memory amount visible via /proc/meminfo
2015-09-08 13:32:11 +03:00
vlynq
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vme
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w1
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2015-09-01 18:46:42 -07:00
watchdog
watchdog: iTCO: Fix dependencies on I2C
2015-09-28 10:56:10 +02:00
xen
xen/events/fifo: Consume unprocessed events when a CPU dies
2015-12-02 13:23:25 +00:00
zorro
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Kconfig
Merge branch 'for-linus' of git://ftp.arm.linux.org.uk/~rmk/linux-arm
2015-09-03 16:27:01 -07:00
Makefile
This is the bulk of pin control changes for the v4.3 development
2015-09-04 10:22:09 -07:00