Commit c409eb45 authored Apr 05, 2023 by void0red Committed by Greg Kroah-Hartman May 30, 2023

ACPICA: ACPICA: check null return of ACPI_ALLOCATE_ZEROED in acpi_db_display_objects

[ Upstream commit ae5a0eccc85fc960834dd66e3befc2728284b86c ]

ACPICA commit 0d5f467d6a0ba852ea3aad68663cbcbd43300fd4

ACPI_ALLOCATE_ZEROED may fails, object_info might be null and will cause
null pointer dereference later.

Link: https://github.com/acpica/acpica/commit/0d5f467d


Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 710e09fd

drivers/acpi/acpica/dbnames.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -571,6 +571,9 @@ acpi_status acpi_db_display_objects(char obj_type_arg, char display_count_arg)
		object_info =
		ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_object_info));

		if (!object_info)
		return (AE_NO_MEMORY);

		/* Walk the namespace from the root */

		(void)acpi_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,