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Re: out-of-bounds read / crash in elfutils tools (readelf, nm, ...) with malformed file


On Sat, 2014-11-08 at 17:10 +0100, Hanno Böck wrote:
> Am Sat, 8 Nov 2014 15:04:16 +0100
> schrieb Mark Wielaard <mjw@redhat.com>:
> 
> > I have pushed all three fuzz-robustify patches to master.
> 
> Yeah, seems robustness improved a lot. I couldn't trivially find
> another crasher in readelf on git head

Good. And thanks for trying.

> , however here are three more in
> nm. Seems they only crash on 32 bit.

I cannot get these to crash on either a fedora 20 x86_64 setup, nor on a
fedora 21-beta i686 setup. Could you run under gdb and provide a
backtrace?

Thanks,

Mark

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