uclibc segfault in ldso

Brent Cook bcook at bpointsys.com
Thu Mar 27 16:59:09 UTC 2008


On Thursday 27 March 2008 11:50:19 Nigel Kukard wrote:
> > > _dl_get_ready_to_run:838: We got here: 838, loadaddr = 0xb7b33000
> > > _dl_get_ready_to_run:839: We got here: 839, func = U��S���
> > > Segmentation fault
> >
> > Good for now, I rather have the debug built in to ldso than your hack
> > as I know the ones in ldso.
>
> I can rebuild everything and remove my debugging if it would help?
>
> > What version of uClibc are you using?
>
> SVN ... latest stable bombed out on like 577 (iirc)
>
> > hmm, should not func address change when loadaddr change?
>
> Not sure if its a func address or a string, i just outputted %s  ;)
>
>
> -N

Shouldn't you have a pretty good chance of segfaulting just by virtue of 
treating a random address as %s?



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