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5b4dc95cf7f573e927fbbd406ebe54225d41b9b2
linux/drivers
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Chris Wilson 5b4dc95cf7 drm/i915/gt: Prevent use of engine->wa_ctx after error 
On error we unpin and free the wa_ctx.vma, but do not clear any of the
derived flags. During lrc_init, we look at the flags and attempt to
dereference the wa_ctx.vma if they are set. To protect the error path
where we try to limp along without the wa_ctx, make sure we clear those
flags!

Reported-by: Matt Roper <matthew.d.roper@intel.com>
Fixes: 604a8f6f1e ("drm/i915/lrc: Only enable per-context and per-bb buffers if set")
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Matt Roper <matthew.d.roper@intel.com>
Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Mika Kuoppala <mika.kuoppala@linux.intel.com>
Cc: <stable@vger.kernel.org> # v4.15+
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210108204026.20682-1-chris@chris-wilson.co.uk
2021-01-08 21:35:53 +00:00
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accessibility
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acpi
Merge branches 'acpi-button' and 'acpi-dock'
2020-10-30 16:31:20 +01:00
amba
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android
task_work: cleanup notification modes
2020-10-17 15:05:30 -06:00
ata
Merge tag 'libata-5.10-2020-10-30' of git://git.kernel.dk/linux-block
2020-10-30 14:51:01 -07:00
atm
atm: atmtcp: Constify atmtcp_v_dev_ops
2020-09-28 16:03:30 -07:00
auxdisplay
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base
PM: runtime: Resume the device earlier in __device_release_driver()
2020-11-02 18:14:07 +01:00
bcma
bcma: use semicolons rather than commas to separate statements
2020-10-01 16:23:50 +03:00
block
null_blk: Fix scheduling in atomic with zoned mode
2020-11-06 09:36:42 -07:00
bluetooth
Bluetooth: btintel: Replace zero-length array with flexible-array member
2020-10-30 16:57:41 -05:00
bus
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:39:22 -07:00
cdrom
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char
tpm: efi: Don't create binary_bios_measurements file for an empty log
2020-11-06 18:21:08 +02:00
clk
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
clocksource
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
connector
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counter
counter: use semicolons rather than commas to separate statements
2020-09-29 17:27:08 +01:00
cpufreq
cpufreq: Introduce cpufreq_driver_test_flags()
2020-10-29 14:07:30 +01:00
cpuidle
Merge tag 'powerpc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-10-16 12:21:15 -07:00
crypto
crypto: sun8x-ce*: update entries to its documentation
2020-10-28 11:41:15 -06:00
dax
Merge tag 'fuse-update-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse
2020-10-19 14:28:30 -07:00
dca
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devfreq
PM / devfreq: tegra30: Improve initial hardware resetting
2020-09-29 17:50:10 +09:00
dio
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dma
misc: mic: remove the MIC drivers
2020-10-28 19:12:03 +01:00
dma-buf
Revert "mm: mmap: fix fput in error path v2"
2020-11-05 17:09:18 +01:00
edac
Merge tag 'efi-core-2020-10-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-10-12 13:26:49 -07:00
eisa
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extcon
extcon: axp288: Use module_platform_driver to simplify the code
2020-09-30 00:40:06 +09:00
firewire
firewire-ohci: use dma_alloc_pages
2020-09-25 06:20:48 +02:00
firmware
Merge tag 'scmi-fixes-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
2020-10-26 12:40:02 +01:00
fpga
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fsi
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gnss
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gpio
Merge tag 'mfd-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2020-10-14 15:56:58 -07:00
gpu
drm/i915/gt: Prevent use of engine->wa_ctx after error
2021-01-08 21:35:53 +00:00
greybus
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hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2020-10-23 16:16:31 -07:00
hsi
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hv
Merge tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2020-11-05 11:32:03 -08:00
hwmon
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:33:08 -07:00
hwspinlock
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hwtracing
coresight: cti: Initialize dynamic sysfs attributes
2020-10-29 20:10:25 +01:00
i2c
i2c: designware: slave should do WRITE_REQUESTED before WRITE_RECEIVED
2020-11-06 16:02:00 +01:00
i3c
Merge tag 'i3c/for-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux
2020-10-17 11:01:01 -07:00
ide
Merge tag 'block-5.10-2020-10-12' of git://git.kernel.dk/linux-block
2020-10-13 12:12:44 -07:00
idle
intel_idle: Fix max_cstate for processor models without C-state tables
2020-10-27 19:03:53 +01:00
iio
Merge tag 'tag-chrome-platform-for-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
2020-10-23 10:54:13 -07:00
infiniband
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rdma/rdma
2020-11-05 11:25:02 -08:00
input
Merge branch 'parisc-5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
2020-10-25 10:59:34 -07:00
interconnect
interconnect: qcom: use icc_sync state for sm8[12]50
2020-10-27 16:01:22 +02:00
iommu
Merge v5.10-rc3 into drm-next
2020-11-10 14:36:36 +01:00
ipack
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irqchip
Merge tag 'irq-urgent-2020-11-08' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-11-08 09:52:57 -08:00
isdn
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leds
leds: pwm: Remove platform_data support
2020-10-07 12:02:58 +02:00
lightnvm
lightnvm: fix out-of-bounds write to array devices->info[]
2020-10-16 09:28:45 -06:00
macintosh
Merge tag 'powerpc-5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-10-16 12:21:15 -07:00
mailbox
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:39:22 -07:00
mcb
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md
Merge tag 'for-5.10/dm-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2020-10-14 15:05:38 -07:00
media
Merge tag 'drm-misc-next-2020-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-11-04 11:49:10 +10:00
memory
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:39:22 -07:00
memstick
Merge branch 'fixes' into next
2020-09-28 12:17:36 +02:00
message
scsi: mptfusion: Fix null pointer dereferences in mptscsih_remove()
2020-10-26 16:57:18 -04:00
mfd
Merge tag 'mfd-next-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2020-10-14 15:56:58 -07:00
misc
Merge tag 'drm-misc-next-2020-10-27' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
2020-11-04 11:49:10 +10:00
mmc
Merge tag 'mmc-v5.10-2' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2020-10-30 11:04:11 -07:00
most
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mtd
mtd: rawnand: stm32_fmc2: fix broken ECC
2020-10-30 18:24:51 +01:00
mux
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net
Merge tag 'net-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2020-11-06 11:50:28 -08:00
nfc
nfc: remove unneeded break
2020-10-20 10:36:41 -07:00
ntb
Merge tag 'ntb-5.10' of git://github.com/jonmason/ntb
2020-10-25 11:12:31 -07:00
nubus
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nvdimm
mm/memremap_pages: support multiple ranges per invocation
2020-10-13 18:38:28 -07:00
nvme
Merge tag 'nvme-5.10-2020-11-05' of git://git.infradead.org/nvme into block-5.10
2020-11-05 07:10:50 -07:00
nvmem
nvmem: core: fix possibly memleak when use nvmem_cell_info_to_nvmem_cell()
2020-09-27 14:25:48 +02:00
of
of: Drop superfluous ULL suffix for ~0
2020-11-02 09:32:46 -08:00
opp
opp: Reduce the size of critical section in _opp_table_kref_release()
2020-10-27 13:21:03 +05:30
oprofile
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parisc
dma-mapping: split <linux/dma-mapping.h>
2020-10-06 07:07:03 +02:00
parport
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pci
PCI: mvebu: Fix duplicate resource requests
2020-11-04 13:55:30 -06:00
pcmcia
dma-mapping: remove DMA_MASK_NONE
2020-09-25 06:12:15 +02:00
perf
perf: arm-cmn: Fix conversion specifiers for node type
2020-10-01 22:30:07 +01:00
phy
Merge tag 'pci-v5.10-changes' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
2020-10-22 12:41:00 -07:00
pinctrl
Merge tag 'pinctrl-v5.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2020-10-14 15:25:04 -07:00
platform
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2020-10-23 16:16:31 -07:00
pnp
PNP: fix kernel-doc markups
2020-10-27 19:23:04 +01:00
power
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:33:08 -07:00
powercap
powercap/intel_rapl: remove unneeded semicolon
2020-11-02 18:04:34 +01:00
pps
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ps3
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ptp
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pwm
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:33:08 -07:00
rapidio
rapidio: fix the missed put_device() for rio_mport_add_riodev
2020-10-16 11:11:22 -07:00
ras
RAS/CEC: Convert to DEFINE_SHOW_ATTRIBUTE()
2020-09-25 19:05:31 +02:00
regulator
regulator: defer probe when trying to get voltage from unresolved supply
2020-11-03 13:19:01 +00:00
remoteproc
Merge tag 'rproc-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
2020-10-22 12:56:33 -07:00
reset
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:39:22 -07:00
rpmsg
Merge tag 'rpmsg-v5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
2020-10-22 12:58:21 -07:00
rtc
Merge tag 'rtc-5.10' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2020-10-21 11:22:08 -07:00
s390
s390/pkey: fix paes selftest failure with paes and pkey static build
2020-11-03 15:12:16 +01:00
sbus
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scsi
Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2020-11-06 15:24:12 -08:00
sfi
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sh
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siox
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slimbus
slimbus: qcom-ngd-ctrl: disable ngd in qmi server down callback
2020-09-25 14:41:51 +02:00
soc
soc: ti: ti_sci_pm_domains: check for proper args count in xlate
2020-10-29 22:13:38 +01:00
soundwire
Merge tag 'soundwire-5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-next
2020-10-01 22:59:55 +02:00
spi
spi: bcm2835: remove use of uninitialized gpio flags variable
2020-11-06 11:23:26 +00:00
spmi
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ssb
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staging
Revert "mm: introduce vma_set_file function v4"
2020-11-05 17:08:43 +01:00
target
scsi: target: tcmu: Replace zero-length array with flexible-array member
2020-10-29 17:22:59 -05:00
tc
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tee
Merge tag 'tee-fix-for-v5.10' of git://git.linaro.org:/people/jens.wiklander/linux-tee into arm/fixes
2020-10-26 10:55:56 +01:00
thermal
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
thunderbolt
Merge tag 'thunderbolt-for-v5.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/westeri/thunderbolt into usb-next
2020-09-30 09:42:36 +02:00
tty
Merge tag 'tty-5.10-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
2020-11-08 11:28:08 -08:00
uio
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usb
Merge tag 'usb-serial-5.10-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/johan/usb-serial into usb-linus
2020-11-07 15:56:37 +01:00
vdpa
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2020-10-31 14:41:48 -07:00
vfio
vfio/pci: Bypass IGD init in case of -ENODEV
2020-11-03 11:07:40 -07:00
vhost
vdpa: handle irq bypass register failure case
2020-10-30 04:02:53 -04:00
video
drm: remove pgprot_decrypted() before calls to io_remap_pfn_range()
2020-11-10 17:19:14 +01:00
virt
virt: vbox: simplify the return expression of vbg_input_open()
2020-10-02 11:36:13 +02:00
virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2020-10-23 11:00:57 -07:00
visorbus
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vlynq
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vme
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w1
w1: w1_therm: make w1_poll_completion static
2020-10-05 14:49:24 +02:00
watchdog
Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2020-10-24 10:33:08 -07:00
xen
Merge tag 'for-linus-5.10b-rc1c-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2020-10-25 10:55:35 -07:00
zorro
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Kconfig
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Makefile
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