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[Pnet-developers] [bugs #11627] Crash during Garbage collection of Strea
From: |
Erich Kitzmüller |
Subject: |
[Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream |
Date: |
Tue, 18 Jan 2005 09:30:27 +0000 |
User-agent: |
Mozilla/5.0 (X11; U; Linux i686; de-DE; rv:1.7.5) Gecko/20041122 Firefox/1.0 |
This is an automated notification sent by Savannah.
It relates to:
bugs #11627, project DotGNU Portable.NET
==============================================================================
LATEST MODIFICATIONS of bugs #11627:
==============================================================================
Posted by: Erich Kitzmüller <ammoq>
Posted on: 2005-01-18 09:30 (GMT)
_______________________________________________________
Follow-up Comment:
It seems that (at least in my configuration: MandrakeLinux 10.1, kernel
2.6.8.1, glibc-2.3.3, gcc 3.4.1) Nullpointer references are not caught for
virtual method calls. The attached short program is enough to cause a crash.
_______________________________________________________
Additional Item Attachment:
File name: Test.cs Size:0 KB
<http://savannah.gnu.org/bugs/download.php?item_id=11627&item_file_id=2074>
==============================================================================
OVERVIEW of bugs #11627:
==============================================================================
URL:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=11627>
Summary: Crash during Garbage collection of StreamWriter
based on HttpStream
Project: DotGNU Portable.NET
Submitted by: ammoq
Submitted on: Die 18.01.2005 um 01:37
Category: None
Severity: 5 - Average
Item Group: None
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
_______________________________________________________
In StreamWriter.Dispose(bool disposing), stream.Flush() is called.
Unfortunately, HttpStream is already disposed, so "underlying" is already
null. HttpStream.Flush() simply calls underlying.Flush(), so this should IMO
throw a NullReferenceException. But, even more unfortunately, the virtual
machine crashes with a segmentation violation, in cvm_call.c line 934, since
tempptr is a null pointer.
_______________________________________________________
Follow-up Comments:
-------------------------------------------------------
Date: Die 18.01.2005 um 09:30 By: Erich Kitzmüller <ammoq>
It seems that (at least in my configuration: MandrakeLinux 10.1, kernel
2.6.8.1, glibc-2.3.3, gcc 3.4.1) Nullpointer references are not caught for
virtual method calls. The attached short program is enough to cause a crash.
_______________________________________________________
File Attachments:
-------------------------------------------------------
Date: Die 18.01.2005 um 09:30 Name: Test.cs Size: 138B By: ammoq
<http://savannah.gnu.org/bugs/download.php?item_id=11627&item_file_id=2074>
==============================================================================
This item URL is:
<http://savannah.gnu.org/bugs/?func=detailitem&item_id=11627>
_______________________________________________
Message sent via/by Savannah
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- [Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Erich Kitzmüller, 2005/01/17
- [Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream,
Erich Kitzmüller <=
- [Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, anonymous, 2005/01/19
- Re: [Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Rhys Weatherley, 2005/01/19
- [Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Stephen Compall, 2005/01/19
- [Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Erich Kitzmüller, 2005/01/19
- [Pnet-developers] Re: [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Stephen Compall, 2005/01/19
- Re: [Pnet-developers] Re: [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Rhys Weatherley, 2005/01/19
- Re: [Pnet-developers] Re: [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Gopal V, 2005/01/20
- [Pnet-developers] [bugs #11627] Crash during Garbage collection of StreamWriter based on HttpStream, Erich Kitzmüller, 2005/01/20