MemoryError: Cannot allocate write+execute memory for ffi.callback() in ASLR enabled machine - FreeBSD #1267
Description
Hi,
I'm seeing this error frequently while running my application on ASLR enabled machine Custom-OS built on FreeBSD ..
system-libraries-> libffi-3.2.1_3, RUST 1.26.0, python 3.11.5 and openssl 3.0.11 (FIPS enabled)
Please let me know What might be the issue? I have provided pip list
I need to resolve this issue asap for my application
# uname -a
FreeBSD onefs-soujanya-49-1 12.0-CURRENT FreeBSD 12.0-CURRENT amd64
#sysctl kern.elf64.
kern.elf64.allow_wx: 0
kern.elf64.aslr.stack_gap: 3
kern.elf64.aslr.honor_sbrk: 0
kern.elf64.aslr.pie_enable: 1
kern.elf64.aslr.enable: 1
kern.elf64.pie_base: 16912384
kern.elf64.nxstack: 1
kern.elf64.fallback_brand: -1
As I debug my code came to know that in python package issue not my application.
> /var/pipeline/a7TyGP2z/0/business/services/sdst/prodeploy/ese/ese/ese_virtualenv/lib/python3.11/site-packages/OpenSSL/crypto.py(2136)dump_privatekey()
-> _ffi.NULL,
(Pdb) s
> /var/pipeline/a7TyGP2z/0/business/services/sdst/prodeploy/ese/ese/ese_virtualenv/lib/python3.11/site-packages/OpenSSL/crypto.py(2137)dump_privatekey()
-> 0,
(Pdb) s
> /var/pipeline/a7TyGP2z/0/business/services/sdst/prodeploy/ese/ese/ese_virtualenv/lib/python3.11/site-packages/OpenSSL/crypto.py(2138)dump_privatekey()
-> helper.callback,
(Pdb) s
--Call--
> /var/pipeline/a7TyGP2z/0/business/services/sdst/prodeploy/ese/ese/ese_virtualenv/lib/python3.11/site-packages/OpenSSL/crypto.py(2910)callback()
-> @property
(Pdb) s
> /var/pipeline/a7TyGP2z/0/business/services/sdst/prodeploy/ese/ese/ese_virtualenv/lib/python3.11/site-packages/OpenSSL/crypto.py(2912)callback()
-> if self._passphrase is None:
(Pdb) s
> /var/pipeline/a7TyGP2z/0/business/services/sdst/prodeploy/ese/ese/ese_virtualenv/lib/python3.11/site-packages/OpenSSL/crypto.py(2914)callback()
-> elif isinstance(self._passphrase, bytes) or callable(self._passphrase):
(Pdb) s
> /var/pipeline/a7TyGP2z/0/business/services/sdst/prodeploy/ese/ese/ese_virtualenv/lib/python3.11/site-packages/OpenSSL/crypto.py(2915)callback()
-> return _ffi.callback("pem_password_cb", self._read_passphrase)
(Pdb) s
MemoryError: Cannot allocate write+execute memory for ffi.callback(). You might be running on a system that prevents this. For more information, see https://cfo/en/latest/using.html#callbacks
> /
Package Version
------------------------- ---------
altgraph 0.17.4
annotated-types 0.6.0
asn1crypto 1.5.1
astroid 2.15.8
attrs 21.2.0
autocommand 2.2.2
Automat 22.10.0
certifi 2022.12.7
cffi 1.15.1
charset-normalizer 2.0.10
cheroot 8.2.1
CherryPy 18.8.0
contextlib2 21.6.0
coverage 7.2.2
cryptography 41.0.3
dill 0.3.7
docutils 0.20.1
future 0.18.2
idna 3.3
inflect 7.0.0
iniconfig 2.0.0
isort 5.12.0
jaraco.collections 4.0.0
jaraco.context 4.3.0
jaraco.functools 3.3.0
jaraco.text 3.11.1
lazy-object-proxy 1.9.0
linecache2 1.0.0
lockfile 0.12.2
lxml 4.9.3
mccabe 0.7.0
mock 3.0.5
more-itertools 8.8.0
netifaces 0.10.9
nose 1.3.7
packaging 20.4
paho-mqtt 1.5.0
pem 21.2.0
pip 23.2.1
platformdirs 3.11.0
pluggy 1.3.0
portend 2.7.1
psutil 5.9.4
pyarmor 8.2.8
pyarmor.cli.core 3.2.9
pyarmor.cli.core.freebsd 3.2.9
pycparser 2.20
pydantic 2.4.2
pydantic_core 2.10.1
pyfakefs 5.2.0
pyinstaller 5.13.0
pyinstaller-hooks-contrib 2023.10
pylint 2.17.2
Pympler 0.8
pyOpenSSL 23.2.0
pyparsing 2.4.7
PySocks 1.7.1
pytest 7.2.2
pytest-random-order 1.1.0
pytest-timeout 2.1.0
python-daemon 2.2.4
python-whois 0.7.2
pytz 2021.1
repoze.lru 0.7
requests 2.27.1
requests-toolbelt 0.9.1
Routes 2.5.1
rpmfile 1.0.3
schema 0.7.5
semantic-version 2.8.3
setuptools 67.2.0
six 1.16.0
tempora 4.1.1
tomlkit 0.12.1
traceback2 1.4.0
typing_extensions 4.8.0
unittest-xml-reporting 3.2.0
unittest2 1.1.0
urllib3 1.26.8
websocket-client 0.57.0
wrapt 1.15.0
xmlrunner 1.7.7
zc.lockfile 2.0