Method and system for postmortem object type identification

Details Method and system for postmortem object type identification Method and system for postmortem object type identification

2006-05-16

2006-05-16

Baderman, Scott (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S005110, C714S037000, C711S170000

Reexamination Certificate

active

07047447

ABSTRACT:
A method for postmortem object type identification. In one method embodiment, the present invention accesses a memory dump. Next, a portion of the memory dump is partitioned into a first group of known memory object types. Additionally, a portion of the memory dump is partitioned into a second group of unknown memory object types. A first pointer, pointing from one of the first group of known memory object types to one of the second group of unknown memory object types, is then utilized to automatically infer the memory object type of one of the second group of unknown memory object types. A second pointer, pointing from the inferred memory object type to one of the second group of unknown memory object types is utilized to automatically infer a memory object type of another one of the second group of unknown memory object types.

REFERENCES:
patent: 5999933 (1999-12-01), Mehta
patent: 6754771 (2004-06-01), Vincent
patent: 6944722 (2005-09-01), Cantrill
patent: 2004/0030960 (2004-02-01), Ito

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