bug#48401: 25.3; emacs27 crashes

[Aloe]

Eli Zaretskii writes:

>> From: Aloe <aloe@aloe-associacio.org>
>> Cc: 48401@debbugs.gnu.org
>> Date: Thu, 13 May 2021 19:14:30 +0200
>> 
>> Hi, thanks for your answer, that's my backtrace:
>> 
>> emacs_backtrace a /usr/share/emacs27/src/sysdep.c:2443
>> terminate_due_to_signal a /usr/share/emacs27/src/emacs.c:404
>> handle_fatal_signal a /usr/share/emacs27/src/sysdep.c:1795
>> deliver_thread_signal.constprop.9 a /usr/share/emacs27/src/sysdep.c:1769
>> stack_overflow a /usr/share/emacs27/src/sysdep.c:1829
>>  (inserit per) handle_sigsegv a /usr/share/emacs27/src/sysdep.c:1888
>> ?? ??:0
>> ?? ??:0
>> ?? ??:0
>> ?? ??:0
>> extract_data_from_object a /usr/share/emacs27/src/fns.c:5293
>> gnutls_symmetric a /usr/share/emacs27/src/gnutls.c:2382
>> Ffuncall a /usr/share/emacs27/src/eval.c:2795
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> SPECPDL_INDEX a /usr/share/emacs27/src/lisp.h:3279
>>  (inserit per) Fapply a /usr/share/emacs27/src/eval.c:2373
>> Ffuncall a /usr/share/emacs27/src/eval.c:2795
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> Ffuncall a /usr/share/emacs27/src/eval.c:2818
>> exec_byte_code a /usr/share/emacs27/src/bytecode.c:633
>> 
>> 
>> I hope it's what your are asking for.
>
> It is, thanks.
>
> This looks like infinite recursion, so I think we will need a more
> detailed backtrace which you can obtain by running Emacs under GDB.
> Would it be possible for you to do that?  Let me know if you need
> instructions.

Yes, please give me instructions. I can open GDB but I don't know how to
backtrace.

Thanks

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