Solved: Re: Apache & CGI & sigsegv

[Iso-H <jd ts ray fi>]

On Wed, 28 Jun 2000, Iso-H wrote:

> On 28 Jun 2000, Phil Carmody wrote:
> 
> > On Wed, 28 June 2000, Iso-H wrote:
> > >   I have run into very wierd problem with quite simple 
> > >   CGI binary (coded by C++); binary just SIGSEGVs at very
> > >   beginning. It seems that there is some kind of
> > >   malloc problems; gdb's backtrace says so.
> > 
> > Get out your binary chopping tool and reduce the code to the 
> > minimal criminal. Then post it here, we have coders here, we have
> > compilers and systems here, I for one don't mind spending 10 minutes
> > checking to see if a 20 line program crashes or not, and then thinking
> > of workarounds, or whatever.
> 
>  I made stripped version of CGI, but obviously I stripped 
>  too much because original problem disappears too ;)
> 
>  I'll let you know if I can produce stripped but still buggy
>  version of CGI binary.


 Eventually I found a char array which was freed too early. 
 But problem was still interesting (and most misleading!) 
 because it appeared only with AlphaLinux & Apache...

>  
> 
> > 
> > Phil
> > 
> > You're only as young as the man that you feel - Mae West
> > You're only as straight as the man that you feel - Dr R Thompson
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> 
> Iso-H
> 
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> 
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Iso-H

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