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linux/drivers
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Tvrtko Ursulin a90e1948ef drm/i915: Relax mmap VMA check 
Legacy behaviour was to allow non-page-aligned mmap requests, as does the
linux mmap(2) implementation by virtue of automatically rounding up for
the caller.

To avoid breaking legacy userspace relax the newly introduced fix.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: 5c4604e757 ("drm/i915: Prevent a race during I915_GEM_MMAP ioctl with WC set")
Reported-by: Guenter Roeck <linux@roeck-us.net>
Cc: Adam Zabrocki <adamza@microsoft.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.0+
Cc: Akash Goel <akash.goel@intel.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi@intel.com>
Cc: intel-gfx@lists.freedesktop.org
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190305110409.28633-1-tvrtko.ursulin@linux.intel.com
2019-03-06 11:37:01 +00:00
..
accessibility
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acpi
Merge v5.0-rc7 into drm-next
2019-02-18 13:27:15 +10:00
amba
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android
binderfs: remove separate device_initcall()
2019-02-01 15:50:26 +01:00
ata
libata: Add NOLPM quirk for SAMSUNG MZ7TE512HMHP-000L1 SSD
2019-02-06 12:47:09 -07:00
atm
atm: he: fix sign-extension overflow on large shift
2019-01-17 11:27:00 -08:00
auxdisplay
auxdisplay: ht16k33: fix potential user-after-free on module unload
2019-02-15 19:48:39 +01:00
base
Merge tag 'topic/mei-hdcp-2019-02-19' of git://anongit.freedesktop.org/drm/drm-intel into drm-intel-next-queued
2019-02-20 11:53:48 +02:00
bcma
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block
floppy: check_events callback should not return a negative number
2019-02-12 09:13:18 -07:00
bluetooth
Bluetooth: hci_bcm: Handle specific unknown packets after firmware loading
2018-12-19 13:43:42 +01:00
bus
Merge branch 'pwm-dmtimer-fixes' into omap-for-v5.0/fixes-v2
2019-01-29 07:53:47 -08:00
cdrom
gdrom: fix a memory leak bug
2018-12-29 08:20:44 -07:00
char
Merge tag 'char-misc-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2019-01-25 13:03:34 -10:00
clk
clk: qcom: gcc: Use active only source for CPUSS clocks
2019-01-24 11:41:48 -08:00
clocksource
Merge branch 'pwm-dmtimer-fixes' into omap-for-v5.0/fixes-v2
2019-01-29 07:53:47 -08:00
connector
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cpufreq
Merge branches 'pm-cpuidle', 'pm-cpufreq' and 'pm-sleep'
2019-01-11 10:09:51 +01:00
cpuidle
cpuidle: poll_state: Fix default time limit
2019-01-30 22:57:42 +01:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2019-02-15 08:11:43 -08:00
dax
mm, devm_memremap_pages: fix shutdown handling
2018-12-28 12:11:47 -08:00
dca
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devfreq
PM / devfreq: add devfreq_suspend/resume() functions
2018-12-11 11:40:13 +09:00
dio
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dma
Merge tag 'dmaengine-fix-5.0-rc6' of git://git.infradead.org/users/vkoul/slave-dma
2019-02-10 10:39:37 -08:00
dma-buf
Merge tag 'drm-misc-next-2019-01-07-1' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2019-01-10 05:58:52 +10:00
edac
EDAC, altera: Fix S10 persistent register offset
2019-01-24 17:13:59 +01:00
eisa
eisa: consolidate EISA Kconfig entry in drivers/eisa
2018-11-23 11:46:22 +09:00
extcon
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firewire
scsi: communicate max segment size to the DMA mapping code
2019-01-22 20:40:59 -05:00
firmware
Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-02-17 09:22:01 -08:00
fmc
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fpga
fpga: stratix10-soc: fix wrong of_node_put() in init function
2019-01-31 16:19:48 +01:00
fsi
fsi: Add On-Chip Controller (OCC) driver
2018-12-02 16:25:28 -08:00
gnss
Merge 4.20-rc6 into tty-next
2018-12-10 10:17:45 +01:00
gpio
gpio: vf610: Mask all GPIO interrupts
2019-01-28 15:28:43 +01:00
gpu
drm/i915: Relax mmap VMA check
2019-03-06 11:37:01 +00:00
hid
HID: debug: fix the ring buffer implementation
2019-01-29 12:09:11 +01:00
hsi
HSI: omap_ssi: Change to use DEFINE_SHOW_ATTRIBUTE macro
2018-12-05 00:16:59 +01:00
hv
vmbus: fix subchannel removal
2019-01-09 19:20:31 -05:00
hwmon
hwmon: (nct6775) Fix fan6 detection for NCT6793D
2019-01-27 18:55:49 -08:00
hwspinlock
hwspinlock: fix return value check in stm32_hwspinlock_probe()
2019-01-03 11:42:10 -08:00
hwtracing
intel_th: msu: Fix an off-by-one in attribute store
2018-12-19 20:21:06 +01:00
i2c
i2c: bcm2835: Clear current buffer pointers and counts after a transfer
2019-02-15 09:45:05 +01:00
i3c
i3c: master: dw: fix deadlock
2019-01-26 11:14:25 +01:00
ide
ide: ensure atapi sense request aren't preempted
2019-01-31 08:25:09 -07:00
idle
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iio
Merge tag 'iio-fixes-5.0a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
2019-02-03 13:10:41 +01:00
infiniband
IB/uverbs: Fix OOPs in uverbs_user_mmap_disassociate
2019-01-29 13:57:22 -07:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2019-02-17 08:30:35 -08:00
iommu
Merge tag 'iommu-fixes-v5.0-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
2019-02-08 15:34:10 -08:00
ipack
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irqchip
Merge branch 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2019-02-10 09:54:19 -08:00
isdn
mISDN: fix a race in dev_expire_timer()
2019-02-05 16:39:29 -08:00
leds
leds: lp5523: fix a missing check of return value of lp55xx_read
2019-01-17 22:27:39 +01:00
lightnvm
lightnvm: pblk: fix use-after-free bug
2018-12-22 14:45:35 -07:00
macintosh
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
mailbox
mailbox: tegra-hsp: Use device-managed registration API
2018-12-21 22:31:26 -06:00
mcb
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md
Merge tag 'for-linus-20190215' of git://git.kernel.dk/linux-block
2019-02-15 09:12:28 -08:00
media
media: vim2m: only cancel work if it is for right context
2019-01-16 11:13:25 -05:00
memory
Merge tag 'armsoc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
2019-01-05 11:30:37 -08:00
memstick
Merge tag 'mmc-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2018-12-28 16:52:18 -08:00
message
scsi: flip the default on use_clustering
2018-12-18 23:13:12 -05:00
mfd
mfd: Fix unmet dependency warning for MFD_TPS68470
2019-01-29 10:55:34 +01:00
misc
mic: vop: Fix crash on remove
2019-02-01 15:53:54 +01:00
mmc
mmc: meson-gx: fix interrupt name
2019-02-13 08:41:15 +01:00
mtd
mtd: rawnand: gpmi: fix MX28 bus master lockup problem
2019-02-06 09:39:22 +01:00
mux
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net
net: ethernet: freescale: set FEC ethtool regs version
2019-02-14 12:45:35 -05:00
nfc
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ntb
cross-tree: phase out dma_zalloc_coherent()
2019-01-08 07:58:37 -05:00
nubus
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nvdimm
libnvdimm/security: Require nvdimm_security_setup_events() to succeed
2019-01-21 09:57:43 -08:00
nvme
nvme-pci: add missing unlock for reset error
2019-02-12 09:29:07 +01:00
nvmem
nvmem: add new config option
2018-12-06 15:45:46 +01:00
of
OF: properties: add missing of_node_put
2019-01-16 12:49:53 -06:00
opp
cpufreq: scpi/scmi: Fix freeing of dynamic OPPs
2019-01-04 12:19:40 +01:00
oprofile
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parisc
Merge tag 'kconfig-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-12-29 13:40:29 -08:00
parport
parport: parport_pc: Mark expected switch fall-through
2018-11-27 08:31:27 +01:00
pci
Merge tag 'pci-v5.0-fixes-4' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2019-02-08 15:32:10 -08:00
pcmcia
Merge tag 'for-4.21' of git://git.armlinux.org.uk/~rmk/linux-arm
2019-01-05 11:23:17 -08:00
perf
drivers/perf: hisi: Fixup one DDRC PMU register offset
2019-01-04 10:13:27 +00:00
phy
Merge v5.0-rc7 into drm-next
2019-02-18 13:27:15 +10:00
pinctrl
pinctrl: sunxi: Correct number of IRQ banks on H6 main pin controller
2019-01-22 10:52:39 +01:00
platform
platform/x86: Fix unmet dependency warning for SAMSUNG_Q10
2019-01-29 10:59:07 +01:00
pnp
Remove 'type' argument from access_ok() function
2019-01-03 18:57:57 -08:00
power
Merge tag 'for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
2018-12-28 20:22:45 -08:00
powercap
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pps
Merge tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-12-29 13:03:29 -08:00
ps3
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ptp
ptp: check that rsv field is zero in struct ptp_sys_offset_extended
2019-01-08 16:22:56 -05:00
pwm
pwm: imx: Add ipg clock operation
2018-12-24 12:06:56 +01:00
rapidio
cross-tree: phase out dma_zalloc_coherent()
2019-01-08 07:58:37 -05:00
ras
treewide: surround Kconfig file paths with double quotes
2018-12-22 00:25:54 +09:00
regulator
Merge remote-tracking branch 'regulator/topic/coupled' into regulator-next
2018-12-21 13:43:35 +00:00
remoteproc
virtio: don't allocate vqs when names[i] = NULL
2019-01-14 20:15:19 -05:00
reset
reset: uniphier-glue: Add AHCI reset control support in glue layer
2019-01-07 16:38:51 +01:00
rpmsg
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rtc
Merge tag 'rtc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2019-01-01 13:24:31 -08:00
s390
Merge tag 's390-5.0-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2019-02-11 10:28:48 -08:00
sbus
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-next
2018-12-26 10:32:18 -08:00
scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2019-02-15 13:36:43 -08:00
sfi
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sh
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siox
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slimbus
slimbus: ngd: fix spelling mistake "exeeds" -> "exceeds"
2018-12-06 15:50:06 +01:00
sn
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soc
Merge tag 'soc-fsl-fix-v5.0' of git://git.kernel.org/pub/scm/linux/kernel/git/leo/linux into arm/fixes
2019-01-30 11:14:04 +01:00
soundwire
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spi
cross-tree: phase out dma_zalloc_coherent()
2019-01-08 07:58:37 -05:00
spmi
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ssb
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staging
Merge v5.0-rc7 into drm-next
2019-02-18 13:27:15 +10:00
target
scsi: target: make the pi_prot_format ConfigFS path readable
2019-02-04 21:40:32 -05:00
tc
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tee
Merge tag 'tee-subsys-optee-for-4.21' of https://git.linaro.org/people/jens.wiklander/linux-tee into next/late
2018-12-31 13:06:30 -08:00
thermal
thermal: cpu_cooling: Clarify error message
2019-02-05 15:50:13 -08:00
thunderbolt
thunderbolt: Export IOMMU based DMA protection support to userspace
2018-12-05 12:01:56 +03:00
tty
Merge tag 'tty-5.0-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2019-02-08 10:49:55 -08:00
uio
Merge tag 'char-misc-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2018-12-28 20:54:57 -08:00
usb
usb: typec: tcpm: Correct the PPS out_volt calculation
2019-01-31 09:14:00 +01:00
uwb
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vfio
vfio-pci/nvlink2: Fix ancient gcc warnings
2019-01-23 08:20:43 -07:00
vhost
vhost: fix OOB in get_rx_bufs()
2019-01-28 22:53:09 -08:00
video
Merge tag 'tty-5.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2019-01-25 12:58:40 -10:00
virt
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virtio
virtio: drop internal struct from UAPI
2019-02-05 15:29:48 -05:00
visorbus
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vlynq
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vme
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w1
treewide: surround Kconfig file paths with double quotes
2018-12-22 00:25:54 +09:00
watchdog
watchdog: tqmx86: Fix a couple IS_ERR() vs NULL bugs
2019-01-07 10:10:35 +01:00
xen
arm64/xen: fix xen-swiotlb cache flushing
2019-01-23 22:14:56 +01:00
zorro
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Kconfig
Merge tag 'kconfig-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild
2018-12-29 13:40:29 -08:00
Makefile
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