[PATCH 2/3] [binutils/readelf] Add fixme in display_debug_str_offsets
Alan Modra
amodra@gmail.com
Thu May 16 00:14:56 GMT 2024
On Wed, May 15, 2024 at 04:18:58PM +0200, Tom de Vries wrote:
> On 5/15/24 15:02, Alan Modra wrote:
> > Sorry, that doesn't look like a realistic testcase to me. An offset
> > of 0xffffffff in 32-bit dwarf?
> >
>
> I'm not claiming that this is a realistic test-case.
>
> That's what I meant in the commit message with "rare and odd".
It isn't "rare and odd". Impossible to occur in any but fuzzed object
files is more like it. I definitely do not want to see an assertion
(resulting in bug reports) that can only occur with fuzzed objects,
and where failure of the assumption does not cause any bad behaviour.
By "bad behaviour" I mean
- segfaults and similar,
- buffer overflow,
- infinite looping,
- and maybe OOM.
--
Alan Modra
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