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From "Gregory Shimansky (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HARMONY-1987) [DRLVM] [JVMTI] Insufficient check of fieldID in Field group of JVMTI functions.
Date Fri, 03 Nov 2006 13:01:19 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-1987?page=all ]

Gregory Shimansky resolved HARMONY-1987.
----------------------------------------

    Resolution: Fixed

Patch applied at 470792. Please check that it was applied as expected.

> [DRLVM] [JVMTI] Insufficient check of fieldID in Field group of JVMTI functions.
> --------------------------------------------------------------------------------
>
>                 Key: HARMONY-1987
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1987
>             Project: Harmony
>          Issue Type: Improvement
>          Components: DRLVM
>            Reporter: Kostin Mihail
>         Assigned To: Gregory Shimansky
>         Attachments: fieldID_check_for_JVMTI.patch, test.zip
>
>
> Functions from Field group of JVMTI functions crashes if it's called with incorrect fieldID.
According to specification function should return JVMTI_ERROR_INVALID_FIELDID (25) in this
case.
> This occurs because of insufficient check of fieldID in Field group of JVMTI functions.
Those functions have no checking of whether field with this fieldID exists.
> Solution to this problem is to add additional checking of fieldID to know whether this
field exists. This checking is as follows: take list of _all_ class fields and its IDs and
check whether fieldID is in that list before to start working with it.

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