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From "Alexey Petrenko (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HARMONY-920) [classlib][drlvm] method Runtime.getRuntime().exec({null, "cmd"}, env) lead to vm crash
Date Thu, 07 Dec 2006 11:50:26 GMT
     [ http://issues.apache.org/jira/browse/HARMONY-920?page=all ]

Alexey Petrenko reassigned HARMONY-920:
---------------------------------------

    Assignee: Alexey Petrenko

> [classlib][drlvm] method Runtime.getRuntime().exec({null, "cmd"}, env) lead to vm crash
> ---------------------------------------------------------------------------------------
>
>                 Key: HARMONY-920
>                 URL: http://issues.apache.org/jira/browse/HARMONY-920
>             Project: Harmony
>          Issue Type: Bug
>          Components: Classlib
>            Reporter: Vladimir Ivanov
>         Assigned To: Alexey Petrenko
>         Attachments: harmony-920.patch
>
>
> The Harmony DRLVM crashes on java.lang.Runtime.exec methods when cmdarray or envp argument
contains null elements while j2se spec says: throws NullPointerException - If cmdarray is
null, or one of the elements of cmdarray is null, or one of the elements of envp is null.
> ================ test.java =====================
> public class test  { 
>    public static void main(String[] args) {
>         try {
>             String[] cmd = new String [] { null, "mmm"}; 
>             String[] env = new String[] { "aaa", "bbb"};
>             Runtime.getRuntime().exec(cmd, env);
>             System.out.println("Test failed");
>         } catch (NullPointerException e) {
>             System.out.println("Test passed: "+e);
>         } catch (Exception e){
>             e.printStackTrace();
>         }
>     }
> }
> class test2  { 
>    public static void main(String[] args) {
>         try {
>             String[] cmd = new String [] { "aaa", "mmm"}; 
>             String[] env = new String[] { "aaa", null};
>             Runtime.getRuntime().exec(cmd, env);
>             System.out.println("Test failed");
>         } catch (NullPointerException e) {
>             System.out.println("Test passed: "+e);
>         } catch (Exception e){
>             e.printStackTrace();
>         }
>     }
> }
> ============================================
> Output:
> C:\tmp\tmp17>C:\jrockit-jdk1.5.0-windows-ia32\bin\java.exe -cp . -showversion test
> java version "1.5.0"
> Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-b64)
> BEA WebLogic JRockit(R) (build dra-38972-20041208-2001-win-ia32, R25.0.0-75, GC: System
optimized over throughput (initial strategy singleparpar))
> Test passed: java.lang.NullPointerException
> C:\tmp\tmp17>C:\harmony\trunk_0427\deploy\jdk\jre\bin\java.exe -cp . -showversion
test
> java version 1.5 (subset)
> (c) Copyright 1991, 2006 The Apache Software Foundation or its licensors, as applicable.
> Test passed: java.lang.NullPointerException
> C:\tmp\tmp17>C:\harmony\drlvm\trunk\build\win_ia32_msvc_debug\deploy\jre\bin\ij -Dvm.assert_dialog=false
-cp . -showversion test
> Apache Harmony DRLVM HEAD-4807 (2006-05-02), Windows/ia32/msvc 1310, debug
> ...VM Crashed!
> Windows reported exception: ACCESS_VIOLATION
> Registers:
>     EAX: 0x00000000, EBX: 0x2026acd0, ECX: 0x05d3fa84, EDX=0x00000000
>     ESI: 0x2026abb8, EDI: 0x05d3f7a4, ESP: 0x05d3f648, EBP=0x05d3f7a4
>     EIP: 0x1002c356
> CallStack:
>     Java_java_lang_Runtime_00024SubProcess_createProcess0  (File: c:\harmony\drlvm\trunk\vm\vmcore\src\kernel_classes\native\runtime_win.cpp
Line: 118
>  )
>     No name  (File: ?? Line: ?? )
> C:\tmp\tmp17>C:\harmony\drlvm\trunk\build\win_ia32_msvc_debug\deploy\jre\bin\ij -Dvm.assert_dialog=false
-cp . -showversion test2
> Apache Harmony DRLVM HEAD-4807 (2006-05-02), Windows/ia32/msvc 1310, debug
> ...VM Crashed!
> Windows reported exception: ACCESS_VIOLATION
> Registers:
>     EAX: 0x00000000, EBX: 0x2026acac, ECX: 0x00000000, EDX=0x103044b0
>     ESI: 0x2026abec, EDI: 0x05d3f7a4, ESP: 0x05d3f640, EBP=0x05d3f7a4
>     EIP: 0x101d57f0
> CallStack:
>     strlen  (File: F:\VS70Builds\3077\vc\crtbld\crt\src\intel\strlen.asm Line: 78 )
>     Java_java_lang_Runtime_00024SubProcess_createProcess0  (File: c:\harmony\drlvm\trunk\vm\vmcore\src\kernel_classes\native\runtime_win.cpp
Line: 151
>  )
>     No name  (File: ?? Line: ?? )

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