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linux/drivers/acpi/acpica
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Rafael J. Wysocki 6fcab27915 ACPICA: Refuse to evaluate a method if arguments are missing 
As reported in [1], a platform firmware update that increased the number
of method parameters and forgot to update a least one of its callers,
caused ACPICA to crash due to use-after-free.

Since this a result of a clear AML issue that arguably cannot be fixed
up by the interpreter (it cannot produce missing data out of thin air),
address it by making ACPICA refuse to evaluate a method if the caller
attempts to pass fewer arguments than expected to it.

Closes: https://github.com/acpica/acpica/issues/1027 [1]
Reported-by: Peter Williams <peter@newton.cx>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Hans de Goede <hansg@kernel.org>
Tested-by: Hans de Goede <hansg@kernel.org> # Dell XPS 9640 with BIOS 1.12.0
Link: https://patch.msgid.link/5909446.DvuYhMxLoT@rjwysocki.net
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2025-06-18 21:12:13 +02:00
..
acapps.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
accommon.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acconvert.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acdebug.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acdispat.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acevents.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acglobal.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
achware.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acinterp.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
aclocal.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acmacros.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acnamesp.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acobject.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acopcode.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acparser.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acpredef.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acresrc.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acstruct.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
actables.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
acutils.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
amlcode.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
amlresrc.h
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dbcmds.c
ACPICA: Add interrupt command to acpiexec
2023-07-10 18:48:15 +02:00
dbconvert.c
ACPICA: check null return of ACPI_ALLOCATE_ZEROED() in acpi_db_convert_to_package()
2024-08-02 16:51:07 +02:00
dbdisply.c
ACPICA: iASL: add new OperationRegion subtype keyword PlatformRtMechanism
2020-06-05 13:34:23 +02:00
dbexec.c
ACPICA: Debugger: Add a new command: "ALL <NameSeg>"
2020-10-08 18:03:55 +02:00
dbfileio.c
ACPICA: make acpi_load_table() return table index
2019-10-28 22:12:46 +01:00
dbhistry.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dbinput.c
ACPICA: Add interrupt command to acpiexec
2023-07-10 18:48:15 +02:00
dbmethod.c
ACPICA: Debugger: Add a new command: "ALL <NameSeg>"
2020-10-08 18:03:55 +02:00
dbnames.c
ACPICA: debugger: check status of acpi_evaluate_object() in acpi_db_walk_for_fields()
2024-03-26 13:06:47 +01:00
dbobject.c
ACPICA: Clean up exception code class checks
2021-01-18 16:01:10 +01:00
dbstats.c
ACPICA: Fully deploy ACPI_PRINTF_LIKE macro
2019-08-21 00:00:37 +02:00
dbtest.c
ACPICA: Debugger: Fix possible fault with the "test objects" command
2019-02-18 11:21:10 +01:00
dbutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
dbxface.c
ACPICA: acpiexec: remove redeclaration of acpi_gbl_db_opt_no_region_support
2020-03-30 14:52:32 +02:00
dsargs.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dscontrol.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dsdebug.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dsfield.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dsinit.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dsmethod.c
ACPICA: Refuse to evaluate a method if arguments are missing
2025-06-18 21:12:13 +02:00
dsmthdat.c
ACPICA: Add support for printing AML arguments when trace point enabled
2025-04-24 22:01:18 +02:00
dsobject.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dsopcode.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dspkginit.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dsutils.c
ACPICA: Fix warnings from PR #295 merge
2025-03-27 13:17:18 +01:00
dswexec.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dswload2.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dswload.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dswscope.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
dswstate.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evevent.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evglock.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evgpe.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evgpeblk.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evgpeinit.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evgpeutil.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evhandler.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evmisc.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evregion.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evrgnini.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evsci.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
evxface.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evxfevnt.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evxfgpe.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
evxfregn.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exconcat.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exconfig.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exconvrt.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
excreate.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exdebug.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exdump.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exfield.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exfldio.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exmisc.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exmutex.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exnames.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exoparg1.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exoparg2.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exoparg3.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exoparg6.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exprep.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exregion.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exresnte.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exresolv.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exresop.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exserial.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exstore.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exstoren.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exstorob.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exsystem.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
extrace.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
exutils.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwacpi.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwesleep.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwgpe.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwpci.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
hwregs.c
ACPICA: Clean up double word in comment
2022-04-13 20:24:57 +02:00
hwsleep.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwtimer.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwvalid.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwxface.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
hwxfsleep.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
Makefile
ACPI: disable -Wstringop-truncation
2024-04-09 17:02:30 +02:00
nsaccess.c
ACPICA: Always create namespace nodes using acpi_ns_create_node()
2021-03-24 14:50:54 +01:00
nsalloc.c
ACPICA: Remove unnecessary semicolon
2020-10-08 18:03:56 +02:00
nsarguments.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsconvert.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsdump.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsdumpdv.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nseval.c
ACPICA: remove legacy module-level code due to deprecation
2019-07-04 00:59:43 +02:00
nsinit.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsload.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsnames.c
ACPICA: Apply ACPI_NONSTRING
2025-05-12 15:38:42 +02:00
nsobject.c
ACPICA: Namespace: remove address node from global list after method termination
2019-04-09 10:05:11 +02:00
nsparse.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nspredef.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsprepkg.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsrepair2.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsrepair.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nssearch.c
ACPICA: Revert "iASL: change processing of external op namespace nodes for correctness"
2018-07-09 11:14:45 +02:00
nsutils.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nswalk.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsxfeval.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
nsxfname.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
nsxfobj.c
ACPICA: Tree-wide: fix various typos and spelling mistakes
2020-10-08 18:03:55 +02:00
psargs.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psloop.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psobject.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psopcode.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psopinfo.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psparse.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psscope.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
pstree.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psutils.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
pswalk.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
psxface.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
rsaddr.c
ACPICA: Apply pack(1) to union aml_resource
2025-05-06 23:05:42 +02:00
rscalc.c
ACPICA: Apply pack(1) to union aml_resource
2025-05-06 23:05:42 +02:00
rscreate.c
ACPICA: More Clang changes
2019-10-28 22:12:46 +01:00
rsdump.c
ACPICA: Avoid warning for Dump Functions
2024-08-29 19:04:22 +02:00
rsdumpinfo.c
ACPICA: add support for ClockInput resource (v6.5)
2023-04-06 20:29:11 +02:00
rsinfo.c
ACPICA: add support for ClockInput resource (v6.5)
2023-04-06 20:29:11 +02:00
rsio.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsirq.c
ACPI/ACPICA: Trivial: fix spelling mistakes and fix whitespace formatting
2019-02-24 21:12:01 +01:00
rslist.c
ACPICA: Apply pack(1) to union aml_resource
2025-05-06 23:05:42 +02:00
rsmemory.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsmisc.c
ACPICA: Avoid undefined behavior: load of misaligned address
2023-04-06 20:29:11 +02:00
rsserial.c
ACPICA: add support for ClockInput resource (v6.5)
2023-04-06 20:29:11 +02:00
rsutils.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
rsxface.c
ACPICA: Rename nameseg compare macro for clarity
2019-04-09 10:08:28 +02:00
tbdata.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbfadt.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbfind.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbinstal.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbprint.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbutils.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbxface.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbxfload.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
tbxfroot.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utaddress.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utalloc.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utascii.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utbuffer.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utcache.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utcksum.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utcopy.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utdebug.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utdecode.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utdelete.c
ACPICA: Utilities: Fix spelling mistake "Incremement" -> "Increment"
2025-05-12 15:38:42 +02:00
uterror.c
ACPICA: Increase total number of possible Owner IDs
2019-08-21 00:00:36 +02:00
uteval.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utexcep.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utglobal.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
uthex.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utids.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utinit.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utlock.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utmath.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utmisc.c
ACPICA: Rename nameseg compare macro for clarity
2019-04-09 10:08:28 +02:00
utmutex.c
ACPICA: Convert acpi_gbl_hardware lock back to an acpi_raw_spinlock
2018-05-10 17:18:45 +02:00
utnonansi.c
ACPICA: Switch back to using strncpy() in acpi_ut_safe_strncpy()
2025-05-29 21:19:10 +02:00
utobject.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utosi.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utownerid.c
ACPICA: Increase total number of possible Owner IDs
2019-08-21 00:00:36 +02:00
utpredef.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utprint.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utresdecode.c
ACPICA: add support for ClockInput resource (v6.5)
2023-04-06 20:29:11 +02:00
utresrc.c
ACPICA: Apply pack(1) to union aml_resource
2025-05-06 23:05:42 +02:00
utstate.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00
utstring.c
ACPICA: Improve warning message for "invalid ACPI name"
2022-10-28 17:28:23 +02:00
utstrsuppt.c
ACPICA: add type casts for string functions
2021-01-22 15:51:53 +01:00
utstrtoul64.c
ACPICA: Utilities: split hex detection into smaller functions
2018-08-14 23:49:13 +02:00
uttrack.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utuuid.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utxface.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utxferror.c
ACPICA: Convert more ACPI errors to firmware errors
2019-01-15 18:04:02 +01:00
utxfinit.c
ACPICA: Update copyright year
2025-05-12 15:38:43 +02:00
utxfmutex.c
ACPICA: adding SPDX headers
2018-03-18 19:08:05 +01:00