POV-Ray : Newsgroups : povray.beta-test : Missing parenthesis causes bad crash Server Time
23 Dec 2024 12:56:37 EST (-0500)
  Missing parenthesis causes bad crash (Message 1 to 7 of 7)  
From: clipka
Subject: Missing parenthesis causes bad crash
Date: 25 Aug 2009 02:16:30
Message: <4a9381be$1@news.povray.org>
Can someone confirm a crash on the following code?

   #include "fubar.inc"
   Bar(42)
   #macro FooBar() #end

   //fubar.inc
   #macro Foo(Fnord) #end
   #macro Bar(Ignord) Foo(23 #end


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From: Le Forgeron
Subject: Re: Missing parenthesis causes bad crash
Date: 25 Aug 2009 12:54:47
Message: <4a941757$1@news.povray.org>
Le 25/08/2009 08:16, clipka nous fit lire :
> Can someone confirm a crash on the following code?
> 

No crash, sorry, with beta.33 (linux x86_64, from sources)

But instead a strange message about the bogus file:

==== [Parsing...] ==========================================================
File '              d' line 3: Parse Error: Expected ')', # found instead
Fatal error in parser: Cannot parse input.
Render failed

(wrapped by newsreader)

Might nevertheless be a random pointer for the file name.
You crashed, I was lucky.


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From: BobH
Subject: Re: Missing parenthesis causes bad crash
Date: 25 Aug 2009 13:10:38
Message: <4a941b0e$1@news.povray.org>
"Le_Forgeron" <jgr### [at] freefr> wrote in message 
news:4a941757$1@news.povray.org...
> File '              d' line 3: Parse Error: Expected ')', # found instead

Beta 34 in Windows 7 RC.

Parse Error: Expected ')', # found instead

I added the missing ) and put another error and POV reports the file and 
line number as it should.


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From: clipka
Subject: Re: Missing parenthesis causes bad crash
Date: 25 Aug 2009 18:49:38
Message: <4a946a82$1@news.povray.org>
Le_Forgeron schrieb:
> Might nevertheless be a random pointer for the file name.
> You crashed, I was lucky.

I guess that's what it is.


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From: stbenge
Subject: Re: Missing parenthesis causes bad crash
Date: 26 Aug 2009 19:27:04
Message: <4a95c4c8@news.povray.org>
clipka wrote:
> Can someone confirm a crash on the following code?

Yes. I was using the sse2.win32 version and only received a parse error. 
Then I tried the non-sse2 version and quickly received an access 
violation at 0x005ba88b. Now both versions crash. I have attached the 
.dmp file for you.

Sam


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Attachments:
Download 'pov-ray-3.7.0.beta.34.msvc9-sse2.win32-4a95c3bc.dmp.dat' (43 KB)

From: stbenge
Subject: Re: Missing parenthesis causes bad crash
Date: 26 Aug 2009 19:42:56
Message: <4a95c880@news.povray.org>
stbenge wrote:
> clipka wrote:
>> Can someone confirm a crash on the following code?
> 
> Yes. I was using the sse2.win32 version and only received a parse error. 
> Then I tried the non-sse2 version and quickly received an access 
> violation at 0x005ba88b. Now both versions crash. I have attached the 
> .dmp file for you.

A new development: I added the missing parenthesis after reopening POV, 
and got it to render, of course. Then I removed the parenthesis and 
received the parse error again. Without a crash. Here are the contents 
of the message pane:


Messages cleared.
Preset INI file is 'C:\DOCUMENTS AND SETTINGS\SAM\MY 
DOCUMENTS\POV-RAY\V3.7\INI\QUICKRES.INI', section is '[512x384, AA 0.3]'.
Preset source file is 'C:\Program Files\POV-Ray for Windows 
v3.6\scenes\2009\Summer\bugTesting\fubar_scene.pov'.
Rendering using command line '+ft -f -a0.17 +am2 +r3'.
Rendering with 4 threads.
Parser Options
   Input file: C:\Program Files\POV-Ray for Windows 
v3.6\scenes\2009\Summer\bugTesting\fubar_scene.pov
   Remove bounds........On
   Split unions.........Off
   Library paths:
     C:\Documents and Settings\Sam\My Documents\POV-Ray\v3.7\include
     C:\WINDOWS\Fonts
-
Parse Error: Expected ')', # found instead

Render failed
-
CPU time used: kernel 0.03 seconds, user 0.00 seconds, total 0.03 seconds.
Elapsed time 0.14 seconds.
----------------------------------------------------------------------------

That was with the sse2 version. I closed POV after the parse error 
reopened sse2 again without fixing the parenthesis, and quickly received 
the access violation at the same address in memory, 0x005ba88b. It's not 
sse2-dependent. The crash seems to occur when you close POV after the 
parse error, reopen it and try to render again without fixing the 
parenthesis.

Sam


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From: stbenge
Subject: Re: Missing parenthesis causes bad crash
Date: 28 Aug 2009 13:54:23
Message: <4a9819cf@news.povray.org>
I duplicated the crash reliably; did my input help in the least?

Sam


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