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linux-stable/drivers
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Steve Cohen 80512b95fc drm: hold gem reference until object is no longer accessed 
commit 8490d6a7e0 upstream.

A use-after-free in drm_gem_open_ioctl can happen if the
GEM object handle is closed between the idr lookup and
retrieving the size from said object since a local reference
is not being held at that point. Hold the local reference
while the object can still be accessed to fix this and
plug the potential security hole.

Signed-off-by: Steve Cohen <cohens@codeaurora.org>
Cc: stable@vger.kernel.org
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/1595284250-31580-1-git-send-email-cohens@codeaurora.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-08-05 10:06:01 +02:00
..
accessibility
acpi ACPI: video: Use native backlight on Acer TravelMate 5735Z 2020-07-22 09:32:05 +02:00
amba
android binder: Don't use mmput() from shrinker function. 2020-07-29 10:16:54 +02:00
ata ata/libata: Fix usage of page address by page_address in ata_scsi_mode_select_xlat function 2020-06-30 23:17:13 -04:00
atm fore200e: Fix incorrect checks of NULL pointer dereference 2020-02-24 08:34:42 +01:00
auxdisplay
base regmap: debugfs: check count when read regmap file 2020-07-31 18:37:49 +02:00
bcma bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA 2020-01-27 14:51:09 +01:00
block Revert "zram: convert remaining CLASS_ATTR() to CLASS_ATTR_RO()" 2020-07-22 09:32:10 +02:00
bluetooth Bluetooth: hci_bcm: fix freeing not-requested IRQ 2020-06-22 09:05:26 +02:00
bus bus: sunxi-rsb: Return correct data when mixing 16-bit and 8-bit reads 2020-04-17 10:48:37 +02:00
cdrom
char virtio: virtio_console: add missing MODULE_DEVICE_TABLE() for rproc serial 2020-07-22 09:32:10 +02:00
clk clk: sprd: return correct type of value for _sprd_pll_recalc_rate 2020-06-25 15:33:00 +02:00
clocksource clocksource: dw_apb_timer_of: Fix missing clockevent timers 2020-06-22 09:05:11 +02:00
connector
cpufreq cpufreq: intel_pstate: Only mention the BIOS disabling turbo mode once 2020-05-20 08:18:40 +02:00
cpuidle cpuidle: Fix three reference count leaks 2020-06-22 09:05:20 +02:00
crypto crypto: ccp - Release all allocated memory if sha type is invalid 2020-08-05 10:05:59 +02:00
dax
dca
devfreq Revert "PM / devfreq: Modify the device name as devfreq(X) for sysfs" 2020-03-05 16:42:18 +01:00
dio
dma dmaengine: ioat setting ioat timeout as module parameter 2020-07-29 10:16:53 +02:00
dma-buf
edac EDAC/amd64: Read back the scrub rate PCI register on F15h 2020-07-09 09:37:09 +02:00
eisa
extcon extcon: adc-jack: Fix an error handling path in 'adc_jack_probe()' 2020-06-25 15:33:01 +02:00
firewire
firmware drivers/firmware/psci: Fix memory leakage in alloc_init_cpu_groups() 2020-07-29 10:16:46 +02:00
fmc
fpga fpga: dfl: fix bug in port reset handshake 2020-07-29 10:16:48 +02:00
fsi fsi: sbefifo: Don't fail operations when in SBE IPL state 2020-01-27 14:51:00 +01:00
gnss gnss: sirf: fix error return code in sirf_probe() 2020-06-22 09:05:28 +02:00
gpio gpio: arizona: put pm_runtime in case of failure 2020-07-29 10:16:44 +02:00
gpu drm: hold gem reference until object is no longer accessed 2020-08-05 10:06:01 +02:00
hid HID: apple: Disable Fn-key key-re-mapping on clone keyboards 2020-07-29 10:16:52 +02:00
hsi
hv x86/Hyper-V: Report crash data in die() when panic_on_oops is set 2020-04-23 10:30:17 +02:00
hwmon hwmon: (scmi) Fix potential buffer overflow in scmi_hwmon_probe() 2020-07-29 10:16:54 +02:00
hwspinlock
hwtracing intel_th: Fix a NULL dereference when hub driver is not loaded 2020-07-22 09:32:12 +02:00
i2c i2c: rcar: always clear ICSAR to avoid side effects 2020-07-29 10:16:50 +02:00
ide ide: serverworks: potential overflow in svwks_set_pio_mode() 2020-02-24 08:34:49 +01:00
idle
iio iio: imu: adis16400: fix memory leak 2020-08-05 10:05:59 +02:00
infiniband IB/umem: fix reference count leak in ib_umem_odp_get() 2020-07-29 10:16:47 +02:00
input Input: synaptics - enable InterTouch for ThinkPad X1E 1st gen 2020-07-29 10:16:53 +02:00
iommu irqdomain/treewide: Keep firmware node unconditionally allocated 2020-07-29 10:16:46 +02:00
ipack ipack: tpci200: fix error return code in tpci200_register() 2020-05-27 17:37:43 +02:00
irqchip irqchip/gic: Atomically update affinity 2020-07-09 09:37:12 +02:00
isdn PCI: add USR vendor id and use it in r8169 and w6692 driver 2020-06-22 09:05:23 +02:00
leds leds: pca963x: Fix open-drain initialization 2020-02-24 08:34:35 +01:00
lightnvm lightnvm: pblk: fix lock order in pblk_rb_tear_down_check 2020-01-27 14:50:45 +01:00
macintosh drivers/macintosh: Fix memleak in windfarm_pm112 driver 2020-06-22 09:05:29 +02:00
mailbox mailbox: qcom-apcs: fix max_register value 2020-01-27 14:51:14 +01:00
mcb
md dm integrity: fix integrity recalculation that is improperly skipped 2020-07-29 10:16:59 +02:00
media media: rc: prevent memory leak in cx23888_ir_probe 2020-08-05 10:05:59 +02:00
memory memory: tegra: Don't invoke Tegra30+ specific memory timing setup on Tegra20 2020-01-27 14:50:13 +01:00
memstick
message scsi: mptscsih: Fix read sense data size 2020-07-16 08:17:23 +02:00
mfd mfd: wm8994: Fix driver operation if loaded as modules 2020-06-25 15:32:50 +02:00
misc misc: atmel-ssc: lock with mutex instead of spinlock 2020-07-22 09:32:12 +02:00
mmc mmc: sdhci: do not enable card detect interrupt for gpio cd type 2020-07-22 09:32:04 +02:00
mtd mtd: rawnand: oxnas: Release all devices in the _remove() path 2020-07-22 09:32:07 +02:00
mux
net ath9k: release allocated buffer if timed out 2020-08-05 10:06:00 +02:00
nfc NFC: st21nfca: add missed kfree_skb() in an error path 2020-06-10 21:34:59 +02:00
ntb NTB: perf: Fix race condition when run with ntb_test 2020-06-25 15:33:03 +02:00
nubus
nvdimm libnvdimm: Fix endian conversion issues 2020-06-07 13:17:53 +02:00
nvme nvme-rdma: assign completion vector correctly 2020-07-16 08:17:23 +02:00
nvmem nvmem: qfprom: remove incorrect write support 2020-06-10 21:35:00 +02:00
of of: of_mdio: Correct loop scanning logic 2020-07-22 09:32:03 +02:00
opp
oprofile
parisc
parport
pci PCI/ASPM: Disable ASPM on ASMedia ASM1083/1085 PCIe-to-PCI bridge 2020-08-05 10:06:00 +02:00
pcmcia
perf drivers/perf: hisi: Fix wrong value for all counters enable 2020-06-25 15:33:04 +02:00
phy phy: sun4i-usb: fix dereference of pointer phy0 before it is null checked 2020-07-22 09:32:05 +02:00
pinctrl pinctrl: amd: fix npins for uart0 in kerncz_groups 2020-07-29 10:16:44 +02:00
platform platform/x86: intel-vbtn: Only blacklist SW_TABLET_MODE on the 9 / "Laptop" chasis-type 2020-06-22 09:05:20 +02:00
pnp
power power: supply: smb347-charger: IRQSTAT_D is volatile 2020-06-25 15:32:55 +02:00
powercap
pps
ps3
ptp
pwm pwm: img: Call pm_runtime_put() in pm_runtime_get_sync() failed case 2020-06-25 15:32:51 +02:00
rapidio rapidio: fix an error in get_user_pages_fast() error handling 2020-05-27 17:37:43 +02:00
ras
regulator regualtor: pfuze100: correct sw1a/sw2 on pfuze3000 2020-06-30 23:17:10 -04:00
remoteproc remoteproc: Fix IDR initialisation in rproc_alloc() 2020-06-25 15:32:47 +02:00
reset reset: uniphier: Add SCSSI reset control for each channel 2020-02-24 08:34:44 +01:00
rpmsg rpmsg: glink: Remove chunk size word align warning 2020-04-13 10:45:16 +02:00
rtc rtc: 88pm860x: fix possible race condition 2020-04-23 10:30:18 +02:00
s390 scsi: zfcp: Fix panic on ERP timeout for previously dismissed ERP action 2020-06-30 23:17:08 -04:00
sbus
scsi scsi: scsi_transport_spi: Fix function pointer check 2020-07-29 10:16:45 +02:00
sfi
sh
siox
slimbus slimbus: core: Fix mismatch in of_node_get/put 2020-07-22 09:32:07 +02:00
sn
soc soc: qcom: rpmh: Dirt can only make you dirtier, not cleaner 2020-07-29 10:16:44 +02:00
soundwire
spi spi: mediatek: use correct SPI_CFG2_REG MACRO 2020-07-29 10:16:52 +02:00
spmi
ssb
staging staging: comedi: addi_apci_1564: check INSN_CONFIG_DIGITAL_TRIG shift 2020-07-29 10:16:56 +02:00
target scsi: target: tcmu: Fix a use after free in tcmu_check_expired_queue_cmd() 2020-06-25 15:32:59 +02:00
tc
tee tee: optee: Fix compilation issue with nommu 2020-02-05 14:43:50 +00:00
thermal thermal/drivers/cpufreq_cooling: Fix wrong frequency converted from power 2020-07-22 09:32:12 +02:00
thunderbolt thunderbolt: Drop duplicated get_switch_at_route() 2020-05-27 17:37:40 +02:00
tty vt: Reject zero-sized screen buffer size. 2020-07-29 10:16:56 +02:00
uio uio_pdrv_genirq: fix use without device tree and no interrupt 2020-07-22 09:32:11 +02:00
usb usb: xhci: Fix ASM2142/ASM3142 DMA addressing 2020-07-29 10:16:55 +02:00
uwb
vfio vfio/mdev: Fix reference count leak in add_mdev_supported_type 2020-06-25 15:33:01 +02:00
vhost vhost/vsock: fix packet delivery order to monitoring devices 2020-05-27 17:37:32 +02:00
video fbdev: Detect integer underflow at "struct fbcon_ops"->clear_margins. 2020-07-29 10:16:56 +02:00
virt virt: vbox: Fix guest capabilities mask check 2020-07-22 09:32:10 +02:00
virtio virtio_balloon: prevent pfn array overflow 2020-02-24 08:34:54 +01:00
visorbus visorbus: fix uninitialized variable access 2020-02-24 08:34:47 +01:00
vlynq
vme vme: bridges: reduce stack usage 2020-02-24 08:34:47 +01:00
w1 w1: omap-hdq: cleanup to add missing newline for some dev_dbg 2020-06-22 09:05:30 +02:00
watchdog watchdog: da9062: No need to ping manually before setting timeout 2020-06-25 15:32:58 +02:00
xen xen/pvcalls-back: test for errors when calling backend_connect() 2020-06-22 09:05:09 +02:00
zorro
Kconfig
Makefile