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From "Vladimir Beliaev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-2692) [drlvm][nio] buffer's wrap() method leaks memory
Date Tue, 06 Feb 2007 14:36:06 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-2692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12470596
] 

Vladimir Beliaev commented on HARMONY-2692:
-------------------------------------------

I have few minor comments related to this issue.

1. it is not reproducible with J9 machine (so one needs to start looking at it with DRLVM)

2. it takes about 7 minutes to get the failure (about 8'500'000 iterations passed by that
time) on mentioned configuration

3. the stack traces shows it is out of C heap (memory leak - as given in description):

harmonyvm.dll!_assert(const char * expr=0x007e9dd8, const char * filename=0x007e9d88, unsigned
int lineno=251)  Line 295	C
harmonyvm.dll!si_create_from_native(VM_thread * thread=0x011e1aa0)  Line 251 + 0x1a	C++
harmonyvm.dll!st_get_trace(VM_thread * p_vmthread=0x011e1aa0, unsigned int * res_depth=0x0013f200,
StackTraceFrame * * stfs=0x0013f1f4)  Line 154 + 0x9	C++
harmonyvm.dll!Java_org_apache_harmony_vm_VMStack_getStackState(JNIEnv_External * jenv=0x011e1bd8,
_jobject * __formal=0x0013f220)  Line 255 + 0x1d	C++
017e2aef()	
.....

And asserting part of code is:
    StackIterator* res = (StackIterator*)STD_MALLOC(sizeof(StackIterator));
    assert(res);

Hope this can safe a bit of your time if you take this issue.

Thanks
Vladimir

> [drlvm][nio] buffer's wrap() method leaks memory
> ------------------------------------------------
>
>                 Key: HARMONY-2692
>                 URL: https://issues.apache.org/jira/browse/HARMONY-2692
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Windows XP i686
>            Reporter: Salikh Zakirov
>         Attachments: BufferWrap.java
>
>
> The function wrap() of nio buffers leaks memory when invoked with illegal arguments.
> When the attached test BufferWrap.java is run on DRLVM, it steadily increases used memory
until crash.

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