hppa64 linker crash on ld-elf/pr22269 testcase

[Jan Beulich]

On 04.12.2025 22:33, Alan Modra wrote:
> On Thu, Dec 04, 2025 at 04:32:27PM +0100, Jan Beulich wrote:
>> Hello,
>>
>> while looking over (many) segmentation faults spamming the kernel log and
>> resulting from broad testsuite runs, I came across this issue in
>> elf64_hppa_finalize_dynreloc(): While iterating reloc entries, the reference
>> to the undefined weak "func" is found. The code determining dynindx and
>> updating rel.r_addend, however, assumes to only ever deal with defined
>> symbols. As it's not at all clear to me how to handle undefined symbols
>> there (first and foremost where to take dynindx from), I can't really
>> propose a patch. May I ask that one of you take care of this?
> 
> This is likely HJ's has_local_dynsyms, with patch posted at
> https://sourceware.org/pipermail/binutils/2025-December/146031.html

Hmm, I may give it a try, but I don't think that's it. First and foremost
because I'm certain the problem I'm observing pre-dates the change that
the patch above is a follow-on to. In Dave's reply he also says this is
failing for him with some error; as said, for me the linker simply crashes.

Jan