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ACPICA: Fix largest possible resource descriptor index

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[ Upstream commit 8ca944fea4d6d9019e01f2d6f6e766f315a9d73f ]

ACPI_RESOURCE_NAME_LARGE_MAX should be equal to the last actually
used resource descriptor index (ACPI_RESOURCE_NAME_CLOCK_INPUT).

Otherwise 'resource_index' in 'acpi_ut_validate_resource()' may be
clamped incorrectly and resulting value may issue an out-of-bounds
access for 'acpi_gbl_resource_types' array. Compile tested only.

Fixes: 520d4a0ee5 ("ACPICA: add support for ClockInput resource (v6.5)")
Link: https://github.com/acpica/acpica/commit/cf00116c
Link: https://marc.info/?l=linux-acpi&m=175449676131260&w=2
Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dmitry Antipov
2025-09-12 22:03:16 +02:00
committed by Greg Kroah-Hartman
parent c3202fce0c
commit 8963484b7e
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/acpica/aclocal.h
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@@ -1139,7 +1139,7 @@ struct acpi_port_info {
#define ACPI_RESOURCE_NAME_PIN_GROUP_FUNCTION 0x91
#define ACPI_RESOURCE_NAME_PIN_GROUP_CONFIG 0x92
#define ACPI_RESOURCE_NAME_CLOCK_INPUT 0x93
#define ACPI_RESOURCE_NAME_LARGE_MAX 0x94
#define ACPI_RESOURCE_NAME_LARGE_MAX 0x93
/*****************************************************************************
*