Your message dated Tue, 08 Sep 2026 12:05:25 +0000
with message-id <[email protected]>
and subject line Bug#1144807: fixed in pybind11 3.1.0-1
has caused the Debian Bug report #1144807,
regarding pybind11-dev: Regression introduced from 3.0.0 to 3.0.2
to be marked as done.
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1144807: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1144807
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: pybind11-dev
Version: 3.0.1-3
Severity: important
X-Debbugs-Cc: [email protected]
Dear Maintainer,
Imported from Ubuntu bug
https://bugs.launchpad.net/ubuntu/+source/pybind11/+bug/2164501
>From 3.0.0 to 3.0.2, pybind11 has a regression causing crashes during
>interpreter shutdown with `py::enum_<>` by duplicating late-added
>`def_property_static` argument strings and `function_record` heap-type
>deallocation to call `PyObject_Free()` and decref the type.
This was first reported in #2163679 where autopkgtest was failing for ecflow
with a `free(): invalid pointer` crash. This can be better seen in the
stacktrace:
...
#7 malloc_printerr (str=<optimized out>) at ./malloc/malloc.c:5341
No locals.
#8 0x00007ffff7cb0b44 in malloc_printerr_tail (str=<optimized out>) at
./malloc/malloc.c:5358
No locals.
#9 0x00007ffff6d47e6c in pybind11::cpp_function::destruct (rec=0xd940e0,
free_strings=true) at /usr/include/pybind11/pybind11.h:769
arg = @0xd94290: {name = 0x7ffff72523e7 "self", descr = 0x0, value =
{<pybind11::detail::object_api<pybind11::handle>> =
{<pybind11::detail::pyobject_tag> = {<No data fields>}, <No data fields>},
m_ptr = 0x0}, convert = true, none = false}
__for_range = std::vector of length 1, capacity 1 = {{name =
0x7ffff72523e7 "self", descr = 0x0, value =
{<pybind11::detail::object_api<pybind11::handle>> =
{<pybind11::detail::pyobject_tag> = {<No data fields>}, <No data fields>},
m_ptr = 0x0}, convert = true, none = false}}
__for_begin = <optimized out>
__for_end = <optimized out>
next = 0x0
#10 pybind11::detail::function_record_PyTypeObject_methods::tp_dealloc_impl
(self=0x7ffff68e97d0) at /usr/include/pybind11/pybind11.h:1250
py_func_rec = 0x7ffff68e97d0
#11 0x0000000000514c33 in _Py_Dealloc ()
No symbol table info available.
#12 0x0000000000537d59 in ?? ()
No symbol table info available.
#13 0x0000000000514c33 in _Py_Dealloc ()
No symbol table info available.
#14 0x0000000000691dc3 in ?? ()
No symbol table info available.
...
After some digging I found this upstream PR [1] that introduced a latent bug
where a `free()` is called on string-literals. This was then noted by the
following upstream issues [2] and [3], and addressed with the following PRs [4]
and [5]. The eventual stable version of pybind11 is 3.0.3 (see: [6]).
Since the current version of pybind11 for both Resolute and Stonking is
3.0.1-3, it can be assumed that all the following reverse-dependencies are
affected (reverse-depends -b pybind11-dev) in both Resolute and Stonking:
- adios2
- amgcl
- aoflagger
- bespokesynth
- camitk
- cctbx
- darkradiant
- dart
- dm-tree
- dolfin
- ecflow
- freecad
- gnuradio
- gr-limesdr
- gridtools
- gtsam
- gudhi
- halide
- kms++
- netgen
- nmodl
- odil
- open3d
- opencc
- opencolorio
- opengv
- openimageio
- opm-common
- opm-simulators
- orocos-kdl
- pybind11-json
- pycuda
- pyosmium
- pytango
- python-awkward
- python-boost-histogram
- python-laszip
- python-mapbox-earcut
- python-samplerate
- pytorch
- pytorch-audio
- pytorch-cluster
- pytorch-rocm
- pytorch-scatter
- pytorch-sparse
- scikit-build-core
- sfst
- simgrid
- spglib
- tinyobjloader
- votca
- xeus-python
- xrt
- ycmd
1. https://github.com/pybind/pybind11/pull/5486
2. https://github.com/pybind/pybind11/issues/5976
3. https://github.com/pybind/pybind11/issues/5991
4. https://github.com/pybind/pybind11/pull/6010
5. https://github.com/pybind/pybind11/pull/6015
6. https://github.com/pybind/pybind11/releases#release-v3.0.3
--- End Message ---
--- Begin Message ---
Source: pybind11
Source-Version: 3.1.0-1
Done: Santiago Vila <[email protected]>
We believe that the bug you reported is fixed in the latest version of
pybind11, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Santiago Vila <[email protected]> (supplier of updated pybind11 package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Tue, 08 Sep 2026 12:40:00 +0200
Source: pybind11
Architecture: source
Version: 3.1.0-1
Distribution: unstable
Urgency: medium
Maintainer: Debian Science Maintainers
<[email protected]>
Changed-By: Santiago Vila <[email protected]>
Closes: 1138110 1144807
Changes:
pybind11 (3.1.0-1) unstable; urgency=medium
.
* Team upload.
* New upstream release.
* Fixes crashes during interpreter shutdown. Closes: #1144807.
* Update Uploaders field. Closes: #1138110.
* Drop "Priority: optional" (default).
* Update standards-version.
* Switch to debian/salsa-ci.yml.
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