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Re: Hard crash [message #89895 is a reply to message #89894]

Thu, 18 December 2014 08:08

chris_torrence@NOSPAM is currently offline

chris_torrence@NOSPAM
Messages: 528
Registered: March 2007

Senior Member

On Thursday, December 18, 2014 8:20:49 AM UTC-7, Helder wrote:
> Ok, I've done it again. After the dictionary() bug here is a new one.
>
> *disclaimer: don't do this at home. Your pc might go in flames and your cat might bite your nose. I take no responsibility for any losses, damages or whatsoever.
>
>
> Create a new file, name it "testObj.pro"
> Put the following code in it:
>
> pro testObj::crash, res
> ;This is bad:
> print, res.test[self.refPos]
> end
>
> function testObj::init
> self.refPos = 0l
> return,1
> end
>
> pro testObj__Define, class
> class = {testObj, refPos:0}
> end
>
> pro testObj
> o = obj_new('testObj')
> o.crash, -1l
> end
>
> Save the file and run it.
> IDL window , in my case, closes. No warnings. Nothing. Bang.
>
> I ran a few tests. The following options in the method crash, will not make it crash:
>
> print, res.test[0]
>
> void = self.refPos
> print, res.test[void]
>
> IDL> !version
> {
> "ARCH": "x86_64",
> "OS": "Win32",
> "OS_FAMILY": "Windows",
> "OS_NAME": "MicrosoftWindows",
> "RELEASE": "8.4",
> "BUILD_DATE": "Sep272014",
> "MEMORY_BITS": 64,
> "FILE_OFFSET_BITS": 64
> }
>
> Any explanations? Also on previous builds (<8.4)?
>
> Cheers,
> Helder

Here's an even simpler reproduce:

IDL Version 8.4, Mac OS X (darwin x86_64 m64)
IDL> foo = {bar:0}
IDL> (-1).test[foo.bar]
Segmentation fault: 11

I'm at home today, but I'll log a bug when I get back to work, and try to fix it for the next service pack.

Thanks for catching it!

-Chris
Exelis

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[Message index]

		Hard crash By: Helder Marchetto on Thu, 18 December 2014 07:20
		Re: Hard crash By: chris_torrence@NOSPAM on Thu, 18 December 2014 08:08
		Re: Hard crash By: Matt Haffner on Fri, 19 December 2014 13:34
		Re: Hard crash By: Jim Pendleton on Fri, 19 December 2014 20:52
		Re: Hard crash By: chris_torrence@NOSPAM on Sat, 20 December 2014 14:34
		Re: Hard crash By: Matt Haffner on Thu, 08 January 2015 13:45
		Re: Hard crash By: chris_torrence@NOSPAM on Thu, 08 January 2015 14:34
		Re: Hard crash By: Jim Pendleton on Thu, 08 January 2015 18:17
		Re: Hard crash By: Matt Haffner on Fri, 09 January 2015 11:31
		Re: Hard crash By: Jim Pendleton on Fri, 09 January 2015 17:13
		Re: Hard crash By: David Fanning on Fri, 30 January 2015 09:25
		Re: Hard crash By: Heinz Stege on Fri, 30 January 2015 13:15
		Re: Hard crash By: Lajos Foldy on Fri, 30 January 2015 13:25
		Re: Hard crash By: Heinz Stege on Fri, 30 January 2015 15:39
		Re: Hard crash By: Jim Pendleton on Fri, 30 January 2015 17:24
		Re: Hard crash By: markb77 on Mon, 02 February 2015 07:09
		Re: Hard crash By: Heinz Stege on Mon, 02 February 2015 13:40
		Re: Hard crash By: Dick Jackson on Mon, 09 February 2015 18:18
		Re: Hard crash By: Jim Pendleton on Mon, 09 February 2015 19:16
		Re: Hard crash By: Lajos Foldy on Fri, 30 January 2015 10:36

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