On Sun, Feb 09, 2025 at 05:56:38PM +1100, Russell Coker wrote:
> The command "python3 -bb -t -t -E -W error support/validate-appconfig.py -c /
> usr/bin/chkcon -l -s -v -x tmp/appconfig tmp/policy.bin" is crashing. Here's
> a backtrace:
>
> #0 0x00000000005378ee in _PyObject_New ()
> #1 0x00007ffff763919f in SWIG_Python_newvarlink () at ./src/
> selinuxswig_python_wrap.c:1575
> #2 0x00007ffff7639295 in SWIG_globals () at ./src/selinuxswig_python_wrap.c:
> 1605
> #3 0x00007ffff763b4f5 in SWIG_Python_DestroyModule (obj=0x7ffff7727fb0)
> at ./src/selinuxswig_python_wrap.c:2973
> #4 0x0000000000666d94 in ?? ()
> #5 0x000000000053f0ba in ?? ()
> #6 0x000000000068ac92 in ?? ()
> #7 0x000000000053016e in ?? ()
> #8 0x00000000006895da in ?? ()
> #9 0x00000000006687a5 in ?? ()
> #10 0x000000000069abef in Py_Exit ()
> #11 0x000000000068858b in ?? ()
> #12 0x00000000006883fb in ?? ()
> #13 0x000000000067ed22 in ?? ()
> #14 0x000000000067eb1e in ?? ()
> #15 0x000000000067d961 in Py_RunMain ()
> #16 0x000000000063a72b in Py_BytesMain ()
> #17 0x00007ffff7c92d68 in __libc_start_call_main (main=main@entry=0x63a680,
> argc=argc@entry=16,
> argv=argv@entry=0x7fffffffe8b8) at ../sysdeps/nptl/libc_start_call_main.h:
> 58
> #18 0x00007ffff7c92e25 in __libc_start_main_impl (main=0x63a680, argc=16,
> argv=0x7fffffffe8b8,
> init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>,
> stack_end=0x7fffffffe8a8)
> at ../csu/libc-start.c:360
> #19 0x0000000000639ae1 in _start ()
>
> This seems like a SWIG issue and I'm still trying to debug it.
>
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=%231095018
>
> It seems to have the same root cause as the above bug.
Backrace with more debuginfo:
#0 0x0000000000538b6e in _PyObject_SIZE (type=0x0) at
../Include/cpython/objimpl.h:6
#1 _PyObject_New (tp=0x0) at ../Objects/object.c:534
#2 0x00007ff588ad76d5 in SWIG_Python_newvarlink () at
./src/selinuxswig_python_wrap.c:1575
#3 SWIG_globals () at ./src/selinuxswig_python_wrap.c:1605
#4 SWIG_Python_DestroyModule (obj=<optimized out>) at
./src/selinuxswig_python_wrap.c:2973
#5 0x00000000006693c4 in capsule_dealloc (op=<PyCapsule at remote
0x7ff58892f010>) at ../Objects/capsule.c:290
#6 0x00000000005403ba in _Py_Dealloc (op=<optimized out>) at
../Objects/object.c:2939
#7 Py_DECREF (op=<optimized out>) at ../Include/object.h:949
#8 Py_XDECREF (op=<optimized out>) at ../Include/object.h:1042
#9 dictkeys_decref (use_qsbr=<optimized out>, interp=<optimized out>,
dk=0x7ff589371070) at ../Objects/dictobject.c:496
#10 dictkeys_decref (use_qsbr=false, interp=<optimized out>, dk=0x7ff589371070)
at ../Objects/dictobject.c:481
#11 dict_dealloc (
self={'__name__': 'swig_runtime_data4', '__doc__': None, '__package__':
None, '__loader__': None, '__spec__': None, 'type_pointer_capsule': <PyCapsule
at remote 0x7ff58892f010>}) at ../Objects/dictobject.c:3179
#12 0x000000000068dda2 in module_dealloc (m=0x7ff58892efc0) at
../Objects/moduleobject.c:777
#13 0x000000000053138d in _Py_Dealloc (op=<module at remote 0x7ff58892efc0>) at
../Objects/object.c:2939
#14 Py_DECREF (op=<module at remote 0x7ff58892efc0>) at ../Include/object.h:949
#15 Py_XDECREF (op=<module at remote 0x7ff58892efc0>) at
../Include/object.h:1042
#16 insertdict (interp=0xa4ecf0 <_PyRuntime+88400>, mp=<optimized out>,
key='swig_runtime_data4', hash=<optimized out>, value=None)
at ../Objects/dictobject.c:1843
#17 0x000000000068c9da in finalize_remove_modules (
modules={'sys': None, 'builtins': None, '_frozen_importlib': None, '_imp':
None, '_thread': None, '_warnings': None, '_weakref': None, '_io': None,
'marshal': None, 'posix': None, '_frozen_importlib_external': None, 'time':
None, 'zipimport': None, '_codecs': None, 'codecs': None, 'encodings.aliases':
None, 'encodings': None, 'encodings.utf_8': None, '_signal': None, '_abc':
None, 'abc': None, 'io': None, '__main__': None, 'warnings': None, '_stat':
None, 'stat': None, '_collections_abc': None, 'errno': None, 'genericpath':
None, 'posixpath': None, 'os.path': None, 'os': None, '_sitebuiltins': None,
'encodings.utf_8_sig': None, 'types': None, 'importlib._bootstrap': None,
'importlib._bootstrap_external': None, 'importlib': None, 'importlib._abc':
None, 'importlib.util': None, 'importlib.machinery': None, 'xstatic': None,
'xstatic.pkg': None, '_distutils_hack': None, 'flufl': None, 'logilab': None,
'phply': None, 'repoze': None, 'straight': None, 'testing': None,
'testing.common': None, 'wheezy': None, 'zc': None, 'zo...(truncated),
verbose=0) at ../Python/pylifecycle.c:1598
#18 finalize_modules (tstate=0xa7e530 <_PyRuntime+283024>) at
../Python/pylifecycle.c:1745
#19 0x000000000066b5c5 in _Py_Finalize.constprop.0 (runtime=<optimized out>) at
../Python/pylifecycle.c:2132
#20 0x000000000069e5bf in Py_Exit (sts=2) at ../Python/pylifecycle.c:3520
#21 0x000000000068be6b in handle_system_exit () at ../Python/pythonrun.c:679
#22 0x000000000068bce2 in _PyErr_PrintEx (tstate=0xa7e530 <_PyRuntime+283024>,
set_sys_last_vars=1) at ../Python/pythonrun.c:688
#23 0x0000000000681f52 in PyErr_PrintEx (set_sys_last_vars=1) at
../Python/pythonrun.c:768
#24 PyErr_Print () at ../Python/pythonrun.c:774
#25 _PyRun_SimpleFileObject (fp=fp@entry=0x402442e0,
filename=filename@entry='/tmp/refpolicy-2.20250213/support/validate-appconfig.py',
closeit=closeit@entry=1, flags=flags@entry=0x7ffc12ffb568) at
../Python/pythonrun.c:523
#26 0x0000000000681d4e in _PyRun_AnyFileObject (fp=0x402442e0,
filename='/tmp/refpolicy-2.20250213/support/validate-appconfig.py', closeit=1,
flags=0x7ffc12ffb568) at ../Python/pythonrun.c:77
#27 0x0000000000680bb1 in pymain_run_file_obj (program_name='python3',
filename='/tmp/refpolicy-2.20250213/support/validate-appconfig.py',
skip_source_first_line=0) at ../Modules/main.c:410
#28 pymain_run_file (config=0xa50c28 <_PyRuntime+96392>) at
../Modules/main.c:429
#29 pymain_run_python (exitcode=0x7ffc12ffb55c) at ../Modules/main.c:698
#30 Py_RunMain () at ../Modules/main.c:777
#31 0x000000000063ccab in Py_BytesMain (argc=<optimized out>, argv=<optimized
out>) at ../Modules/main.c:831
#32 0x00007ff589a28ca8 in __libc_start_call_main (main=main@entry=0x63cc00
<main>, argc=argc@entry=10, argv=argv@entry=0x7ffc12ffb798)
at ../sysdeps/nptl/libc_start_call_main.h:58
#33 0x00007ff589a28d65 in __libc_start_main_impl (main=0x63cc00 <main>,
argc=10, argv=0x7ffc12ffb798, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffc12ffb788) at
../csu/libc-start.c:360
#34 0x000000000063c041 in _start ()
Rebuilding libselinux with swig 4.2.1-1 produces a python3-selinux that
fixes the refpolicy build, indicating that the problem is either in
libselinux or swig.
Has either upstream been contacted?
cu
Adrian
