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Du Cheng 61f0c3e809 drivers: video: fbcon: fix NULL dereference in fbcon_cursor() 
commit 01faae5193d6190b7b3aa93dae43f514e866d652 upstream.

add null-check on function pointer before dereference on ops->cursor

Reported-by: syzbot+b67aaae8d3a927f68d20@syzkaller.appspotmail.com
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Du Cheng <ducheng2@gmail.com>
Link: https://lore.kernel.org/r/20210312081421.452405-1-ducheng2@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-04-07 15:00:13 +02:00
..
accessibility
speakup: fix uninitialized flush_lock
2020-12-30 11:53:44 +01:00
acpi
ACPI: processor: Fix CPU0 wakeup in acpi_idle_play_dead()
2021-04-07 15:00:08 +02:00
amba
amba: Fix resource leak for drivers without .remove
2021-03-04 11:38:02 +01:00
android
binder: add flag to clear buffer on txn complete
2020-12-30 11:54:09 +01:00
ata
ata: ahci_brcm: Add back regulators management
2021-03-04 11:37:45 +01:00
atm
atm: idt77252: fix null-ptr-dereference
2021-03-30 14:31:50 +02:00
auxdisplay
auxdisplay: ht16k33: Fix refresh rate handling
2021-03-04 11:38:00 +01:00
base
driver core: clear deferred probe reason on probe retry
2021-04-07 15:00:13 +02:00
bcma
…
block
xen-blkback: don't leak persistent grants from xen_blkbk_map()
2021-03-30 14:32:09 +02:00
bluetooth
Bluetooth: btqca: Add valid le states quirk
2021-03-11 14:17:22 +01:00
bus
bus: omap_l3_noc: mark l3 irqs as IRQF_NO_THREAD
2021-03-30 14:31:56 +02:00
cdrom
…
char
tpm, tpm_tis: Decorate tpm_get_timeouts() with request_locality()
2021-03-09 11:11:10 +01:00
clk
clk: qcom: gcc-sc7180: Use floor ops for the correct sdcc1 clk
2021-03-30 14:31:58 +02:00
clocksource
clocksource/drivers/mxs_timer: Add missing semicolon when DEBUG is defined
2021-03-04 11:37:57 +01:00
connector
…
counter
counter: stm32-timer-cnt: fix ceiling miss-alignment with reload register
2021-03-25 09:04:16 +01:00
cpufreq
cpufreq: blacklist Arm Vexpress platforms in cpufreq-dt-platdev
2021-03-30 14:31:49 +02:00
cpuidle
…
crypto
crypto: sun4i-ss - initialize need_fallback
2021-03-04 11:38:32 +01:00
dax
device-dax: Fix default return code of range_parse()
2021-03-04 11:38:15 +01:00
dca
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devfreq
…
dio
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dma
dmaengine: idxd: set DMA channel to be private
2021-03-04 11:37:57 +01:00
dma-buf
dmabuf: fix use-after-free of dmabuf's file->f_inode
2021-01-12 20:18:24 +01:00
edac
EDAC/amd64: Do not load on family 0x15, model 0x13
2021-03-07 12:34:08 +01:00
eisa
…
extcon
extcon: Fix error handling in extcon_dev_register
2021-04-07 15:00:11 +02:00
firewire
firewire: nosy: Fix a use-after-free bug in nosy_ioctl()
2021-04-07 15:00:11 +02:00
firmware
firmware/efi: Fix a use after bug in efi_mem_reserve_persistent
2021-03-25 09:04:18 +01:00
fpga
fpga: Specify HAS_IOMEM dependency for FPGA_DFL
2020-12-01 18:46:24 +01:00
fsi
fsi: Aspeed: Add mutex to protect HW access
2020-12-30 11:53:46 +01:00
gnss
…
gpio
gpiolib: acpi: Add missing IRQF_ONESHOT
2021-03-30 14:31:49 +02:00
gpu
drm/tegra: sor: Grab runtime PM reference across reset
2021-04-07 15:00:11 +02:00
greybus
…
hid
HID: logitech-dj: add support for the new lightspeed connection iteration
2021-03-17 17:06:24 +01:00
hsi
HSI: Fix PM usage counter unbalance in ssi_hw_init
2021-03-04 11:37:52 +01:00
hv
Drivers: hv: vmbus: Avoid use-after-free in vmbus_onoffer_rescind()
2021-03-04 11:37:46 +01:00
hwmon
hwmon: (dell-smm) Add XPS 15 L502X to fan control blacklist
2021-02-26 10:13:00 +01:00
hwspinlock
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hwtracing
coresight: etm4x: Handle accesses to TRCSTALLCTLR
2021-03-04 11:38:37 +01:00
i2c
i2c: rcar: optimize cacheline to minimize HW race condition
2021-03-17 17:06:22 +01:00
i3c
i3c master: fix missing destroy_workqueue() on error in i3c_master_register
2021-01-06 14:56:53 +01:00
ide
ide/falconide: Fix module unload
2021-03-04 11:38:21 +01:00
idle
intel_idle: Build fix
2020-12-03 10:00:23 +01:00
iio
iio: hid-sensor-temperature: Fix issues of timestamp channel
2021-03-25 09:04:16 +01:00
infiniband
RDMA/cxgb4: Fix adapter LE hash errors while destroying ipv6 listening server
2021-03-30 14:32:04 +02:00
input
Input: applespi - don't wait for responses to commands indefinitely.
2021-03-17 17:06:24 +01:00
interconnect
interconnect: imx8mq: Use icc_sync_state
2021-01-27 11:55:29 +01:00
iommu
iommu/amd: Fix performance counter initialization
2021-03-17 17:06:24 +01:00
ipack
…
irqchip
irqchip/ingenic: Add support for the JZ4760
2021-03-30 14:31:50 +02:00
isdn
misdn: dsp: select CONFIG_BITREVERSE
2021-01-19 18:27:26 +01:00
leds
leds: trigger: fix potential deadlock with libata
2021-02-03 23:28:41 +01:00
lightnvm
lightnvm: fix memory leak when submit fails
2021-01-27 11:55:22 +01:00
macintosh
macintosh/adb-iop: Use big-endian autopoll mask
2021-03-04 11:37:42 +01:00
mailbox
mailbox: sprd: correct definition of SPRD_OUTBOX_FIFO_FULL
2021-03-04 11:38:15 +01:00
mcb
…
md
dm table: Fix zoned model check and zone sectors check
2021-03-30 14:32:06 +02:00
media
media: rc: compile rc-cec.c into rc-core
2021-03-17 17:06:20 +01:00
memory
memory: ti-aemif: Drop child node when jumping out loop
2021-03-04 11:37:25 +01:00
memstick
memstick: r592: Fix error return in r592_probe()
2020-12-30 11:53:34 +01:00
message
…
mfd
mfd: gateworks-gsc: Fix interrupt type
2021-03-04 11:38:40 +01:00
misc
habanalabs: Call put_pid() when releasing control device
2021-03-30 14:31:50 +02:00
mmc
mmc: cqhci: Fix random crash when remove mmc module/card
2021-03-17 17:06:28 +01:00
most
…
mtd
mtd: spi-nor: hisi-sfc: Put child node np on error path
2021-03-04 11:38:37 +01:00
mux
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net
net: wan/lmc: unregister device when no matching device is found
2021-04-07 15:00:08 +02:00
nfc
nfc: s3fwrn5: Release the nfc firmware
2020-12-30 11:53:53 +01:00
ntb
…
nubus
…
nvdimm
libnvdimm/dimm: Avoid race between probe and available_slots_show()
2021-02-10 09:29:17 +01:00
nvme
nvmet-tcp: fix kmap leak when data digest in use
2021-04-07 15:00:06 +02:00
nvmem
nvmem: qcom-spmi-sdam: Fix uninitialized pdev pointer
2021-03-04 11:38:39 +01:00
of
of: unittest: Fix build on architectures without CONFIG_OF_ADDRESS
2021-03-09 11:11:15 +01:00
opp
opp: Correct debug message in _opp_add_static_v2()
2021-03-04 11:37:27 +01:00
oprofile
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parisc
…
parport
…
pci
PCI: rpadlpar: Fix potential drc_name corruption in store functions
2021-03-25 09:04:16 +01:00
pcmcia
…
perf
perf/arm-cmn: Move IRQs when migrating context
2021-03-04 11:37:44 +01:00
phy
phy: lantiq: rcu-usb2: wait after clock enable
2021-03-04 11:38:24 +01:00
pinctrl
pinctrl: rockchip: fix restore error in resume
2021-04-07 15:00:11 +02:00
platform
platform/x86: intel-vbtn: Stop reporting SW_DOCK events
2021-03-30 14:31:53 +02:00
pnp
…
power
power: supply: smb347-charger: Fix interrupt usage if interrupt is unavailable
2021-03-04 11:37:59 +01:00
powercap
…
pps
…
ps3
powerpc/ps3: use dma_mapping_error()
2020-12-30 11:53:53 +01:00
ptp
phy: dp83640: select CONFIG_CRC32
2021-01-17 14:17:02 +01:00
pwm
pwm: iqs620a: Fix overflow and optimize calculations
2021-03-04 11:38:17 +01:00
rapidio
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ras
…
regulator
regulator: qcom-rpmh: Correct the pmic5_hfsmps515 buck
2021-03-30 14:31:51 +02:00
remoteproc
remoteproc/mediatek: Fix kernel test robot warning
2021-03-07 12:34:15 +01:00
reset
…
rpmsg
…
rtc
rtc: zynqmp: depend on HAS_IOMEM
2021-03-04 11:38:03 +01:00
s390
s390/qeth: schedule TX NAPI on QAOB completion
2021-03-25 09:04:13 +01:00
sbus
…
scsi
scsi: qla2xxx: Fix broken #endif placement
2021-04-07 15:00:05 +02:00
sfi
…
sh
…
siox
…
slimbus
slimbus: qcom: fix potential NULL dereference in qcom_slim_prg_slew()
2020-12-30 11:53:47 +01:00
soc
soc: qcom-geni-se: Cleanup the code to remove proxy votes
2021-04-07 15:00:13 +02:00
soundwire
soundwire: intel: fix possible crash when no device is detected
2021-03-04 11:38:22 +01:00
spi
spi: cadence: set cqspi to the driver_data field of struct device
2021-03-25 09:04:04 +01:00
spmi
spmi: spmi-pmic-arb: Fix hw_irq overflow
2021-03-04 11:38:40 +01:00
ssb
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staging
staging: rtl8192e: Change state information from u16 to u8
2021-04-07 15:00:13 +02:00
target
scsi: target: core: Prevent underflow for service actions
2021-03-17 17:06:26 +01:00
tc
…
tee
optee: simplify i2c access
2021-03-04 11:37:28 +01:00
thermal
thermal/core: Add NULL pointer check before using cooling device stats
2021-04-07 15:00:06 +02:00
thunderbolt
thunderbolt: Increase runtime PM reference count on DP tunnel discovery
2021-03-25 09:04:15 +01:00
tty
soc: qcom-geni-se: Cleanup the code to remove proxy votes
2021-04-07 15:00:13 +02:00
uio
…
usb
usb: dwc3: gadget: Clear DEP flags after stop transfers in ep disable
2021-04-07 15:00:13 +02:00
vdpa
vdpa/mlx5: fix param validation in mlx5_vdpa_get_config()
2021-03-04 11:37:17 +01:00
vfio
vfio/nvlink: Add missing SPAPR_TCE_IOMMU depends
2021-04-07 15:00:11 +02:00
vhost
vhost: Fix vhost_vq_reset()
2021-04-07 15:00:05 +02:00
video
drivers: video: fbcon: fix NULL dereference in fbcon_cursor()
2021-04-07 15:00:13 +02:00
virt
virt: vbox: Do not use wait_event_interruptible when called from kernel context
2021-03-04 11:37:18 +01:00
virtio
virtio_ring: Fix two use after free bugs
2020-12-30 11:54:00 +01:00
visorbus
…
vlynq
…
vme
…
w1
w1: w1_therm: Fix conversion result for negative temperatures
2021-03-04 11:37:18 +01:00
watchdog
watchdog: mei_wdt: request stop on unregister
2021-03-04 11:38:36 +01:00
xen
xen/x86: make XEN_BALLOON_MEMORY_HOTPLUG_LIMIT depend on MEMORY_HOTPLUG
2021-03-30 14:32:04 +02:00
zorro
…
Kconfig
…
Makefile
vdpa: mlx5: fix vdpa/vhost dependencies
2020-12-02 04:09:56 -05:00