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Mark Rutland f03a50938d lkdtm/stackleak: prevent unexpected stack usage 
The lkdtm_STACKLEAK_ERASING() test is instrumentable and runs with IRQs
unmasked, so it's possible for unrelated code to clobber the task stack
and/or manipulate current->lowest_stack while the test is running,
resulting in spurious failures.

The regular stackleak erasing code is non-instrumentable and runs with
IRQs masked, preventing similar issues.

Make the body of the test non-instrumentable, and run it with IRQs
masked, avoiding such spurious failures.

Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Cc: Alexander Popov <alex.popov@linux.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20220427173128.2603085-11-mark.rutland@arm.com
2022-05-08 01:33:08 -07:00
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accessibility
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acpi
Merge branch 'acpi-bus'
2022-04-08 19:50:44 +02:00
amba
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android
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ata
ata: ahci: Rename CONFIG_SATA_LPM_POLICY configuration item back
2022-04-06 11:08:04 +09:00
atm
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2022-03-17 13:56:58 -07:00
auxdisplay
auxdisplay: lcd2s: Use array size explicitly in lcd2s_gotoxy()
2022-03-18 20:31:14 +01:00
base
Merge tag 'devprop-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2022-03-29 11:30:12 -07:00
bcma
Merge tag 'mtd/changes-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux
2022-03-25 13:35:34 -07:00
block
drbd: set QUEUE_FLAG_STABLE_WRITES
2022-04-06 13:07:53 -06:00
bluetooth
Bluetooth: ath3k: remove superfluous header files
2022-03-18 17:12:09 +01:00
bus
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
cdrom
cdrom: remove unused variable
2022-04-06 08:47:52 -06:00
char
random: check for signals every PAGE_SIZE chunk of /dev/[u]random
2022-04-07 01:36:37 +02:00
clk
Merge tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux
2022-04-03 12:21:14 -07:00
clocksource
Merge tag 'asm-generic-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
2022-03-23 18:03:08 -07:00
comedi
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connector
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counter
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
cpufreq
Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
2022-03-22 12:15:47 +01:00
cpuidle
RISC-V CPU Idle Support
2022-03-30 16:17:54 -07:00
crypto
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-03-31 13:57:15 -07:00
cxl
cxl/pci: Drop shadowed variable
2022-04-08 12:59:43 -07:00
dax
Merge tag 'dax-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2022-03-24 18:12:09 -07:00
dca
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devfreq
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dio
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dma
Merge tag 'dmaengine-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
2022-03-30 10:54:49 -07:00
dma-buf
dma-buf: handle empty dma_fence_arrays gracefully
2022-03-29 09:14:30 +02:00
edac
Merge branch 'edac-amd64' into edac-updates-for-v5.18
2022-03-21 10:34:57 +01:00
eisa
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extcon
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firewire
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firmware
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
fpga
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fsi
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gnss
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gpio
gpio: Restrict usage of GPIO chip irq members before initialization
2022-04-04 14:41:34 +02:00
gpu
Merge tag 'drm-misc-fixes-2022-04-07' of git://anongit.freedesktop.org/drm/drm-misc into drm-fixes
2022-04-08 09:22:16 +10:00
greybus
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hid
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2022-04-01 10:14:32 -07:00
hsi
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hv
Merge tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2022-04-07 06:35:34 -10:00
hwmon
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
hwspinlock
hwspinlock: sprd: Use struct_size() helper in devm_kzalloc()
2022-03-11 14:56:57 -06:00
hwtracing
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
i2c
Merge branch 'i2c/for-mergewindow' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2022-03-26 12:46:08 -07:00
i3c
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idle
cpuidle: intel_idle: Drop redundant backslash at line end
2022-03-17 14:32:59 +01:00
iio
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
infiniband
RDMA/hfi1: Fix use-after-free bug for mm struct
2022-04-08 15:40:06 -03:00
input
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
2022-04-01 10:14:32 -07:00
interconnect
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iommu
iommu/omap: Fix regression in probe for NULL pointer dereference
2022-04-08 11:16:29 +02:00
ipack
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irqchip
irqchip/gic, gic-v3: Prevent GSI to SGI translations
2022-04-05 16:33:47 +01:00
isdn
mISDN: fix typo "frame to short" -> "frame too short"
2022-03-21 13:26:38 +00:00
leds
Merge tag 'leds-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pavel/linux-leds
2022-03-27 14:09:48 -07:00
macintosh
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mailbox
mailbox: ti-msgmgr: Operate mailbox in polled mode during system suspend
2022-03-12 19:33:30 -06:00
mcb
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md
Merge tag 'for-5.18/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
2022-04-01 15:57:27 -07:00
media
media: si2157: unknown chip version Si2147-A30 ROM 0x50
2022-04-09 17:45:49 +02:00
memory
Merge tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2022-03-23 18:23:13 -07:00
memstick
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message
scsi: message: fusion: Remove redundant variable dmp
2022-04-06 22:28:07 -04:00
mfd
Merge tag 'mfd-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
2022-03-25 13:56:18 -07:00
misc
lkdtm/stackleak: prevent unexpected stack usage
2022-05-08 01:33:08 -07:00
mmc
mmc: core: improve API to make clear mmc_hw_reset is for cards
2022-04-08 11:00:08 +02:00
most
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mtd
Merge tag 'for-linus-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/ubifs
2022-03-31 16:09:41 -07:00
mux
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net
Merge tag 'mmc-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc
2022-04-08 06:37:11 -10:00
nfc
Merge tag 'spi-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
2022-03-21 18:33:57 -07:00
ntb
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nubus
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nvdimm
Merge tag 'libnvdimm-for-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm
2022-03-30 10:04:11 -07:00
nvme
Merge tag 'for-5.18/drivers-2022-04-01' of git://git.kernel.dk/linux-block
2022-04-01 16:26:57 -07:00
nvmem
nvmem: brcm_nvram: parse NVRAM content into NVMEM cells
2022-03-18 14:08:36 +01:00
of
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
opp
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parisc
parisc: Fix CPU affinity for Lasi, WAX and Dino chips
2022-03-29 21:37:12 +02:00
parport
parport_pc: Also enable driver for PCI systems
2022-03-18 14:01:41 +01:00
pci
Merge tag 'hyperv-fixes-signed-20220407' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux
2022-04-07 06:35:34 -10:00
pcmcia
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peci
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perf
perf/imx_ddr: Fix undefined behavior due to shift overflowing the constant
2022-04-08 14:17:57 +01:00
phy
phy: PHY_FSL_LYNX_28G should depend on ARCH_LAYERSCAPE
2022-03-29 08:45:16 -07:00
pinctrl
Merge tag 'pinctrl-v5.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
2022-03-28 11:52:53 -07:00
platform
platform/x86: amd-pmc: Fix compilation without CONFIG_SUSPEND
2022-04-04 16:26:09 +02:00
pnp
Merge tag 'pnp-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2022-03-21 14:46:01 -07:00
power
Merge tag 'driver-core-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
2022-03-28 12:41:28 -07:00
powercap
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pps
pps: generators: pps_gen_parport: Switch to use module_parport_driver()
2022-03-18 14:01:19 +01:00
ps3
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ptp
ptp: ocp: handle error from nvmem_device_find
2022-03-30 12:08:11 -07:00
pwm
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rapidio
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ras
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regulator
regulator: atc260x: Fix missing active_discharge_on setting
2022-04-04 08:59:43 +01:00
remoteproc
Merge tag 'rproc-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/remoteproc/linux
2022-03-30 10:50:48 -07:00
reset
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rpmsg
rpmsg: ctrl: Introduce new RPMSG_CREATE/RELEASE_DEV_IOCTL controls
2022-03-13 11:49:53 -05:00
rtc
Merge tag 'rtc-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/abelloni/linux
2022-04-01 09:37:18 -07:00
s390
s390: cleanup timer API use
2022-03-27 22:18:39 +02:00
sbus
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scsi
scsi: megaraid_sas: Target with invalid LUN ID is deleted during scan
2022-04-06 22:58:17 -04:00
sh
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siox
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slimbus
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soc
Merge tag 'net-next-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next
2022-03-24 13:13:26 -07:00
soundwire
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
spi
Merge tag 'acpi-5.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
2022-04-08 18:23:02 -10:00
spmi
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ssb
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staging
staging: r8188eu: Fix PPPoE tag insertion on little endian systems
2022-04-04 16:35:20 +02:00
target
Merge branch '5.18/scsi-queue' into 5.18/scsi-fixes
2022-04-06 21:46:54 -04:00
tc
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tee
Merge tag 'arm-drivers-5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2022-03-23 18:23:13 -07:00
thermal
Merge branch 'thermal-hfi'
2022-03-18 19:00:26 +01:00
thunderbolt
Merge tag 'char-misc-5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
2022-03-28 12:27:35 -07:00
tty
tty: serial: mpc52xx_uart: make rx/tx hooks return unsigned, part II.
2022-04-04 10:33:02 +02:00
uio
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usb
Merge tag 'for-linus-5.18-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
2022-03-28 14:32:39 -07:00
vdpa
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-04-05 10:40:52 -07:00
vfio
hisi_acc_vfio_pci: Use its own PCI reset_done error handler
2022-03-15 11:41:32 -06:00
vhost
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-03-31 13:57:15 -07:00
video
fbdev: Fix unregistering of framebuffers without device
2022-04-06 21:12:28 +02:00
virt
Merge tag 'random-5.18-rc1-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/crng/random
2022-03-31 14:51:34 -07:00
virtio
Merge tag 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost
2022-04-05 10:40:52 -07:00
visorbus
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vlynq
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vme
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w1
w1: w1_therm: Add support for Maxim MAX31850 thermoelement IF.
2022-03-18 14:07:09 +01:00
watchdog
Merge tag 'linux-watchdog-5.18-rc1' of git://www.linux-watchdog.org/linux-watchdog
2022-03-31 14:14:03 -07:00
xen
xen: don't hang when resuming PCI device
2022-03-25 14:22:15 -05:00
zorro
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Kconfig
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Makefile
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