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Re: binutils-2.17: --cref broken? Extra warnings and corrupted data


On Mon, Jul 17, 2006 at 11:33:50AM +0930, Alan Modra wrote:
> On Sat, Jul 15, 2006 at 11:41:23PM -0700, Paul Nash wrote:
> > I determined with gdb that at the time add_cref is called,
> > h->root.string is a valid string pointer.  What's causing the problem
> > is that later when the cref table is output, the underlying memory
> > behind that pointer has been corrupted. In one case I looked at, a
> > later bfd_zalloc call memset's all the memory around that string to 0.
> 
> Try reverting HJ's 2006-04-25 patch.
> http://sources.redhat.com/ml/binutils/2006-04/msg00095.html
> 
> Please let us know if this fixes the problem for you.  There are likely
> to be other serious problems besides the --cref one.

--cref was broken by --as-needed. cref stores the string pointer from
a dso. When memory of unused dso is freed, cref reference is corrupted.


H.J.


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