A Predictive Isolation Method for Device Drivers and Its Intelligent Hardening System
A device driver and driver technology, applied in the direction of platform integrity maintenance, etc., can solve the problems of not considering device driver dependencies, lack of dependency management, etc., to achieve the effect of isolating risks, reducing hidden dangers, and fast execution efficiency
Active Publication Date: 2019-04-05
CHINA STANDARD SOFTWARE
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[0008] Finally, the device driver curing technology currently on the market does not take into account the dependencies between device drivers, and lacks effective dependency management, so there is a hidden danger of relying on residual device drivers and introducing other risks
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[0048] In order to have a further understanding of the technical solution and beneficial effects of the present invention, the technical solution of the present invention and its beneficial effects will be described in detail below with reference to the accompanying drawings.
[0049] The invention provides a predictive isolation method of a device driver, comprising the following steps:
[0050] S1: Analyze device drivers and kernel source code;
[0051] S2: Establish a device driver state table;
[0052] S3: Establish a risk condition table;
[0053] S4: Establish a system resource status table;
[0054] S5: Establish a device driver risk prediction table;
[0055] S6: Establish a corresponding isolation subsystem according to the device driver risk prediction table, and load the device driver to run in the required corresponding isolation subsystem.
[0056] All device drivers initially run in an isolated subsystem, and only when the device driver matures and the system...
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The invention relates to a prediction isolation method for device drivers and an intelligent reinforcing system for the device drivers. The method includes the steps that S1, the device drivers and kernel source codes are analyzed; S2, a device driver state table is established; S3, a risk condition table is established; S4, a system resource state table is established; S5, a device drive risk prediction table is established; S6, corresponding isolation subsystems are established according to the device drive risk prediction attribute table. The intelligent reinforcing system comprises the device drivers, a drive monitor and the isolation subsystems. According to the prediction isolation method for the device drivers and the intelligent reinforcing system for the device drivers, the effectiveness of the device drivers can be effectively verified, the executing efficiency of the device drivers can be improved, unnecessary limiting conditions (such as the isolation subsystems) are reduced, the device drivers can be effectively isolated in a high-risk state, and stable operation of the system is improved.
Description
technical field [0001] The invention relates to the field of device driver reinforcement, in particular to a device driver predictive isolation method and an intelligent reinforcement system thereof. Background technique [0002] The code of the device driver usually occupies more than 60% of the total code of the general-purpose operating system, and it is also one of the main reasons for the failure of the operating system kernel. Because the device driver usually runs in the core state, it can directly modify the core data structure of the operating system, so a fault in the device driver usually easily causes the failure of the operating system itself. [0003] The isolation technology of the device driver in the kernel state includes: technologies such as hardware or software isolate a specific area to strictly limit the resources accessed by the device driver. Software technology isolation uses software to simulate or virtualize the operating environment of the device...
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IPC IPC(8): G06F21/53
CPCG06F21/53
Inventor 劳生郭建兴刘艳彬宋潇豫乔咏申利飞
Owner CHINA STANDARD SOFTWARE