[pybsddb] berkeleydb segfaulting with Python 3.13

[Jesus Cea]

On 14/5/25 4:00, Jacob Henner wrote:
> berkeleydb is segfaulting on Arch Linux amd64, with Python 3.13 and 
> either libdb 6.2.32 or libdb 5.3.28. Both Python 3.13.0 and 3.13.3 were 
> confirmed to be affected. 3.12.10 is not affected.

I can't reproduce this under Ubuntu, but BerkeleyDB and Python 3.13 are 
self-compiled.

> Stack trace:
> 
> #0  0x00007a69663ced7a n/a (libc.so.6 + 0xb8d7a)
> 
> #1  0x00007a696637b437 n/a (libc.so.6 + 0x65437)
> 
> #2  0x00007a696637c1e4 n/a (libc.so.6 + 0x661e4)
> 
> #3  0x00007a6965e9e05a __db_errfile (libdb-6.2.so + 0x12005a)
> 
> #4  0x00007a6965e9e634 __db_errx (libdb-6.2.so + 0x120634)
> 
> #5  0x00007a6965ec98f5 __env_set_create_dir (libdb-6.2.so + 0x14b8f5)
> 
> #6  0x00007a6965f8bbc9 DBEnv_set_lk_detect (_berkeleydb.abi3.so + 0x12bc9)

This traceback is useful, thanks.

Lets try to do a minimal reproducible case. Try this code:

"""
import berkeleydb

e = berkeleydb.db.DBEnv()
e.set_lk_detect(berkeleydb.db.DB_LOCK_DEFAULT)
"""

-- 
Jesús Cea Avión                         _/_/      _/_/_/        _/_/_/
jcea at jcea.es - https://www.jcea.es/    _/_/    _/_/  _/_/    _/_/  _/_/
Twitter: @jcea                        _/_/    _/_/          _/_/_/_/_/
jabber / xmpp:jcea at jabber.org  _/_/  _/_/    _/_/          _/_/  _/_/
"Things are not so easy"      _/_/  _/_/    _/_/  _/_/    _/_/  _/_/
"My name is Dump, Core Dump"   _/_/_/        _/_/_/      _/_/  _/_/
"El amor es poner tu felicidad en la felicidad de otro" - Leibniz
-------------- next part --------------
A non-text attachment was scrubbed...
Name: OpenPGP_signature
Type: application/pgp-signature
Size: 495 bytes
Desc: OpenPGP digital signature
URL: <https://mailman.jcea.es/pipermail/pybsddb/attachments/20250514/f2c85642/attachment.bin>