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linux/drivers/acpi
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Rafael J. Wysocki b3f15609ff 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>
2022-04-20 09:06:40 +02:00
..
acpica
ACPICA: Avoid walking the ACPI Namespace if it is not there
2022-04-20 09:06:38 +02:00
apei
ACPI/APEI: Limit printable size of BERT table data
2022-04-20 09:06:38 +02:00
arm64
ACPI/IORT: Fix off-by-one check in iort_dev_find_its_id()
2019-08-25 10:51:31 +02:00
dptf
ACPI / platform: Add support for build-in properties
2016-11-10 00:30:29 +01:00
nfit
ACPI: NFIT: Fix support for virtual SPA ranges
2021-08-26 08:37:22 -04:00
pmic
ACPI: PMIC: Fix intel_pmic_regs_handler() read accesses
2021-11-26 11:48:39 +01:00
ac.c
…
acpi_amba.c
ACPI: AMBA: Fix resource name in /proc/iomem
2021-07-20 16:21:14 +02:00
acpi_apd.c
Merge branch 'device-properties'
2016-11-11 23:23:02 +01:00
acpi_cmos_rtc.c
…
acpi_configfs.c
ACPI: configfs: add missing check after configfs_register_default_group()
2021-03-03 17:44:41 +01:00
acpi_dbg.c
ACPI: debug: don't allow debugging when ACPI is disabled
2020-11-10 10:23:56 +01:00
acpi_extlog.c
ACPI / extlog: Check for RDMSR failure
2020-11-10 10:23:56 +01:00
acpi_ipmi.c
…
acpi_lpat.c
…
acpi_lpss.c
ACPI / LPSS: Ignore acpi_device_fix_up_power() return value
2019-12-05 15:34:18 +01:00
acpi_memhotplug.c
mm/memory_hotplug: make add_memory() take the device_hotplug_lock
2019-11-28 18:28:51 +01:00
acpi_pad.c
ACPI: acpi_pad: Fix memory leak in power saving threads
2018-05-30 07:50:43 +02:00
acpi_platform.c
ACPI / platform: Add SMB0001 HID to forbidden_id_list
2018-11-27 16:09:41 +01:00
acpi_pnp.c
ACPI: PNP: compare the string length in the matching_id()
2020-12-29 13:45:03 +01:00
acpi_processor.c
Revert "x86/acpi: Set persistent cpuid <-> nodeid mapping when booting"
2017-12-20 10:07:26 +01:00
acpi_video.c
ACPI / video: Extend chassis-type detection with a "Lunch Box" check
2019-04-05 22:29:15 +02:00
acpi_watchdog.c
ACPI: watchdog: Allow disabling WDAT at boot
2020-03-20 09:07:56 +01:00
battery.c
ACPI: battery: Add device HID and quirk for Microsoft Surface Go 3
2022-03-28 08:06:06 +02:00
battery.h
…
bgrt.c
…
blacklist.c
ACPI / blacklist: Make Dell Latitude 3350 ethernet work
2017-03-22 12:43:38 +01:00
bus.c
ACPI: bus: Call kobject_put() in acpi_init() error path
2021-07-20 16:21:00 +02:00
button.c
Revert "ACPI / button: Change default behavior to lid_init_state=open"
2017-06-07 12:07:47 +02:00
cm_sbs.c
…
container.c
…
cppc_acpi.c
ACPI: CPPC: Avoid out of bounds access when parsing _CPC data
2022-04-20 09:06:40 +02:00
custom_method.c
ACPI: custom_method: fix a possible memory leak
2021-05-22 10:40:15 +02:00
debugfs.c
…
device_pm.c
ACPI: PM: Avoid using power resources if there are none for D0
2020-06-20 10:24:09 +02:00
device_sysfs.c
ACPI: sysfs: Fix a buffer overrun problem with description_show()
2021-07-20 16:21:01 +02:00
dock.c
…
ec_sys.c
ACPI: EC: Fix debugfs_create_*() usage
2018-04-13 19:48:10 +02:00
ec.c
ACPI: EC: Reference count query handlers under lock
2020-10-01 20:40:05 +02:00
event.c
…
evged.c
ACPI: GED: fix -Wformat
2020-11-22 09:58:15 +01:00
fan.c
ACPI / fan: Fix error reading cur_state
2016-10-10 02:20:43 +02:00
glue.c
ACPI / scan: Prefer devices without _HID/_CID for _ADR matching
2018-01-31 12:55:52 +01:00
gsi.c
…
hed.c
…
internal.h
ACPI: scan: Use unique number for instance_no
2021-03-30 14:41:41 +02:00
ioapic.c
ACPI: ioapic: Clear on-stack resource before using it
2017-08-30 10:21:55 +02:00
Kconfig
TTY/Serial patches for 4.9-rc1
2016-10-03 20:11:49 -07:00
Makefile
ACPI: tables: Add custom DSDT file as makefile prerequisite
2021-07-20 16:21:00 +02:00
numa.c
ACPI: NUMA: Use correct type for printing addresses on i386-PAE
2019-02-20 10:18:28 +01:00
nvs.c
…
osi.c
…
osl.c
ACPI: OSL: only free map once in osl.c
2019-12-21 10:42:05 +01:00
pci_irq.c
ACPI / PCI: fix acpi_pci_irq_enable() memory leak
2019-10-05 12:30:26 +02:00
pci_link.c
ACPI/PCI: pci_link: Include PIRQ_PENALTY_PCI_USING for ISA IRQs
2016-10-24 14:18:14 +02:00
pci_mcfg.c
…
pci_root.c
PCI/ACPI: Correct error message for ASPM disabling
2019-11-25 09:52:26 +01:00
pci_slot.c
…
power.c
ACPI: power: Skip duplicate power resource references in _PRx
2019-01-16 22:12:32 +01:00
proc.c
…
processor_core.c
Revert "x86/acpi: Set persistent cpuid <-> nodeid mapping when booting"
2017-12-20 10:07:26 +01:00
processor_driver.c
ACPI/processor: Replace racy task affinity logic
2018-03-24 11:00:09 +01:00
processor_idle.c
ACPI: processor idle: Fix up C-state latency if not ordered
2021-07-20 16:20:59 +02:00
processor_pdc.c
…
processor_perflib.c
ACPI: processor_perflib: Do not send _PPC change notification if not ready
2018-05-30 07:50:24 +02:00
processor_thermal.c
…
processor_throttling.c
ACPI/processor: Replace racy task affinity logic
2018-03-24 11:00:09 +01:00
property.c
ACPI / property: Allow holes in reference properties
2016-10-11 22:44:00 +02:00
reboot.c
…
resource.c
Revert "ACPI / resources: Use AE_CTRL_TERMINATE to terminate resources walks"
2020-12-29 13:45:03 +01:00
sbs.c
ACPI / SBS: Fix GPE storm on recent MacBookPro's
2019-04-20 09:07:52 +02:00
sbshc.c
ACPI / SBS: Fix rare oops when removing modules
2019-11-25 09:53:39 +01:00
sbshc.h
…
scan.c
ACPI: scan: Fix a memory leak in an error handling path
2021-05-22 10:40:32 +02:00
sleep.c
ACPI / PM: save NVS memory for ASUS 1025C laptop
2018-08-22 07:47:15 +02:00
sleep.h
ACPI / power: Delay turning off unused power resources after suspend
2018-03-24 11:00:20 +01:00
spcr.c
ACPI: parse SPCR and enable matching console
2016-09-28 17:46:46 +02:00
sysfs.c
ACPI: sysfs: Fix pm_profile_attr type
2020-06-30 15:38:44 -04:00
tables.c
ACPI / tables: Remove duplicated include from tables.c
2016-09-17 01:03:32 +02:00
thermal.c
ACPI: thermal: Do not call acpi_thermal_check() directly
2021-02-10 09:09:27 +01:00
utils.c
…
video_detect.c
ACPI: video: Force backlight native for Clevo NL5xRU and NL5xNU
2022-03-28 08:06:06 +02:00
wakeup.c
…