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linux/drivers/acpi
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Rafael J. Wysocki e5b681822c ACPI: CPPC: Avoid out of bounds access when parsing _CPC data 
commit 40d8abf364bcab23bc715a9221a3c8623956257b upstream.

If the NumEntries field in the _CPC return package is less than 2, do
not attempt to access the "Revision" element of that package, because
it may not be present then.

Fixes: 337aadff8e45 ("ACPI: Introduce CPU performance controls using CPPC")
BugLink: https://lore.kernel.org/lkml/20220322143534.GC32582@xsang-OptiPlex-9020/
Reported-by: kernel test robot <oliver.sang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-08 14:40:42 +02:00
..
acpica
ACPICA: Avoid walking the ACPI Namespace if it is not there
2022-04-08 14:40:31 +02:00
apei
ACPI/APEI: Limit printable size of BERT table data
2022-04-08 14:40:32 +02:00
arm64
ACPI/IORT: Check node revision for PMCG resources
2022-02-16 12:54:22 +01:00
dptf
ACPI: DPTF: Fix reading of attributes
2021-08-04 12:46:39 +02:00
nfit
ACPI: NFIT: Use fallback node id when numa info in NFIT table is incorrect
2021-10-06 15:55:46 +02:00
numa
treewide: Change list_sort to use const pointers
2021-09-30 10:11:04 +02:00
pmic
ACPI: PMIC: Fix intel_pmic_regs_handler() read accesses
2021-11-18 14:04:26 +01:00
x86
ACPI / x86: Add not-present quirk for the PCI0.SDHB.BRC1 device on the GPD win
2022-01-27 10:54:13 +01:00
ac.c
ACPI: AC: Quirk GK45 to skip reading _PSR
2021-11-18 14:04:00 +01:00
acpi_adxl.c
…
acpi_amba.c
ACPI: AMBA: Fix resource name in /proc/iomem
2021-07-20 16:05:49 +02:00
acpi_apd.c
serial: 8250_dw: Add device HID for new AMD UART controller
2021-06-03 09:00:33 +02:00
acpi_cmos_rtc.c
ACPI: cmos_rtc: Remove leftover ACPI_MODULE_NAME()
2020-09-25 18:25:51 +02:00
acpi_configfs.c
ACPI: configfs: add missing check after configfs_register_default_group()
2021-03-04 11:38:22 +01:00
acpi_dbg.c
ACPI: debug: don't allow debugging when ACPI is disabled
2020-10-16 17:58:52 +02:00
acpi_extlog.c
ACPI / extlog: Check for RDMSR failure
2020-10-02 19:01:55 +02:00
acpi_ipmi.c
…
acpi_lpat.c
…
acpi_lpit.c
ACPI: LPIT: Put the low power idle table after using it
2020-05-09 11:29:16 +02:00
acpi_lpss.c
drm next for 5.10-rc1
2020-10-15 10:46:16 -07:00
acpi_memhotplug.c
mm/memory_hotplug: prepare passing flags to add_memory() and friends
2020-10-16 11:11:18 -07:00
acpi_pad.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
acpi_platform.c
ACPI: platform: Remove ACPI_MODULE_NAME()
2020-09-25 18:25:51 +02:00
acpi_pnp.c
ACPI: PNP: compare the string length in the matching_id()
2020-12-30 11:54:06 +01:00
acpi_processor.c
ACPI: processor: remove comment regarding string _UID support
2020-10-16 18:11:27 +02:00
acpi_tad.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
acpi_video.c
ACPI: video: Add quirk for the Dell Vostro 3350
2021-07-20 16:05:49 +02:00
acpi_watchdog.c
ACPI: watchdog: Put the watchdog action table after parsing
2020-05-09 11:29:17 +02:00
battery.c
ACPI: battery: Add device HID and quirk for Microsoft Surface Go 3
2022-03-28 09:57:10 +02:00
bgrt.c
ACPI: bgrt: Fix CFI violation
2021-07-14 16:56:12 +02:00
blacklist.c
…
bus.c
ACPI: Change acpi_device_always_present() into acpi_device_override_status()
2022-01-27 10:54:13 +01:00
button.c
ACPI: button: Add DMI quirk for Medion Akoya E2228T
2020-11-09 19:29:41 +01:00
container.c
ACPI: container: Remove leftover ACPICA debug functionality
2020-09-25 18:25:51 +02:00
cppc_acpi.c
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
2022-04-08 14:40:42 +02:00
custom_method.c
ACPI: custom_method: fix a possible memory leak
2021-05-11 14:47:12 +02:00
debugfs.c
ACPI: debugfs: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
device_pm.c
ACPI: PM / fan: Put fan device IDs into separate header file
2021-07-14 16:56:11 +02:00
device_sysfs.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
dock.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
ec_sys.c
…
ec.c
Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE"
2022-03-11 12:11:55 +01:00
event.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
evged.c
ACPI: GED: fix -Wformat
2020-11-09 19:25:20 +01:00
fan.c
ACPI: PM / fan: Put fan device IDs into separate header file
2021-07-14 16:56:11 +02:00
fan.h
ACPI: PM / fan: Put fan device IDs into separate header file
2021-07-14 16:56:11 +02:00
glue.c
…
hed.c
…
internal.h
ACPI: EC: Rework flushing of EC work while suspended to idle
2022-01-27 10:53:52 +01:00
ioapic.c
…
irq.c
…
Kconfig
ACPI: Kconfig: Fix table override from built-in initrd
2021-07-28 14:35:39 +02:00
Makefile
ACPI: tables: Add custom DSDT file as makefile prerequisite
2021-07-14 16:56:01 +02:00
nvs.c
…
osi.c
ACPI: OSI: Shoot duplicate word
2019-11-13 11:12:08 +01:00
osl.c
ACPI: OSL: Make ACPICA use logical addresses of GPE blocks
2020-09-11 16:45:00 +02:00
pci_irq.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
pci_link.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
pci_mcfg.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
pci_root.c
Merge branches 'acpi-extlog', 'acpi-memhotplug', 'acpi-button', 'acpi-tools' and 'acpi-pci'
2020-10-13 14:45:36 +02:00
pci_slot.c
ACPI: PCI: Remove unused ACPICA debug code
2020-09-25 18:25:51 +02:00
power.c
ACPI: Use DEVICE_ATTR_<RW|RO|WO> macros
2021-07-14 16:56:12 +02:00
pptt.c
ACPI: PPTT: Consistently use unsigned int as parameter type
2020-01-07 11:46:36 +01:00
proc.c
ACPI: proc: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
processor_core.c
ACPI: processor: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
processor_driver.c
cpufreq: Use per-policy frequency QoS
2019-10-21 02:05:21 +02:00
processor_idle.c
ACPI: processor idle: Fix up C-state latency if not ordered
2021-07-14 16:55:57 +02:00
processor_pdc.c
…
processor_perflib.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
processor_thermal.c
ACPI: processor: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
processor_throttling.c
x86: ACPI: fix CPU hotplug deadlock
2020-04-04 16:28:24 +02:00
property.c
ACPI: properties: Consistently return -ENOENT if there are no more references
2022-04-08 14:39:55 +02:00
reboot.c
ACPI: reboot: Avoid racing after writing to ACPI RESET_REG
2020-10-16 18:04:52 +02:00
resource.c
Revert "ACPI: resources: Add checks for ACPI IRQ override"
2021-08-04 12:46:39 +02:00
sbs.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
sbshc.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
sbshc.h
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00
scan.c
ACPI: scan: Create platform device for BCM4752 and LNV4752 ACPI nodes
2022-01-27 10:54:00 +01:00
sleep.c
Revert "ACPI: PM: s2idle: Cancel wakeup before dispatching EC GPE"
2022-03-11 12:11:55 +01:00
sleep.h
ACPI: PM: Add acpi_[un]register_wakeup_handler()
2020-04-04 19:45:18 +02:00
spcr.c
ACPI: Use fallthrough pseudo-keyword
2020-07-09 14:09:28 +02:00
sysfs.c
Merge back sysfs-related ACPI material for v5.9.
2020-06-29 13:49:49 +02:00
tables.c
ACPI: tables: x86: Reserve memory occupied by ACPI tables
2021-04-07 15:00:08 +02:00
thermal.c
ACPI: thermal: Do not call acpi_thermal_check() directly
2021-02-03 23:28:37 +01:00
tiny-power-button.c
ACPI: tiny-power-button: Remove dead ACPICA debug code
2020-09-25 18:25:51 +02:00
utils.c
ACPI: utils: remove unreachable breaks
2020-10-22 18:58:26 +02:00
video_detect.c
ACPI: video: Force backlight native for Clevo NL5xRU and NL5xNU
2022-03-28 09:57:10 +02:00
wakeup.c
ACPI: Fix whitespace inconsistencies
2020-11-09 19:08:06 +01:00