Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
Merge tag 'acpi-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fix from Rafael Wysocki:
"Fix a crash in ACPICA while attempting to evaluate a control method
that expects more arguments than are being passed to it, which was
exposed by a defective firmware update from a prominent OEM on
multiple systems (Rafael Wysocki)"
* tag 'acpi-6.16-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPICA: Refuse to evaluate a method if arguments are missing
+7
+7
drivers/acpi/acpica/dsmethod.c
+7
drivers/acpi/acpica/dsmethod.c
···
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return_ACPI_STATUS(AE_NULL_OBJECT);
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}
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+
if (this_walk_state->num_operands < obj_desc->method.param_count) {
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+
ACPI_ERROR((AE_INFO, "Missing argument for method [%4.4s]",
488
+
acpi_ut_get_node_name(method_node)));
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+
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+
return_ACPI_STATUS(AE_AML_UNINITIALIZED_ARG);
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+
}
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+
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/* Init for new method, possibly wait on method mutex */
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status =