Since app-admin/setools-4.1.0, some python internals try to create and
execute a file in /tmp during semanage initalization, causing semanage
to crash. Here's the backtrace (with the path
"/usr/lib64/python3.4/site-packages" replaced by "py" for brevity):
Traceback (most recent call last):
File "/usr/lib/python-exec/python3.4/semanage", line 28, in <module>
import seobject
File "py/seobject.py", line 34, in <module>
import sepolicy
File "py/sepolicy/__init__.py", line 8, in <module>
import setools
File "py/setools/__init__.py", line 77, in <module>
from .infoflow import InfoFlowAnalysis
File "py/setools/infoflow.py", line 22, in <module>
import networkx as nx
File "py/networkx/__init__.py", line 93, in <module>
import networkx.linalg
File "py/networkx/linalg/__init__.py", line 9, in <module>
from networkx.linalg.algebraicconnectivity import *
File "py/networkx/linalg/algebraicconnectivity.py", line 18, in <module>
from numpy import (array, asmatrix, asarray, dot, matrix, ndarray, ones,
File "py/numpy/__init__.py", line 180, in <module>
from . import add_newdocs
File "py/numpy/add_newdocs.py", line 13, in <module>
from numpy.lib import add_newdoc
File "py/numpy/lib/__init__.py", line 8, in <module>
from .type_check import *
File "py/numpy/lib/type_check.py", line 11, in <module>
import numpy.core.numeric as _nx
File "py/numpy/core/__init__.py", line 22, in <module>
from . import _internal # for freeze programs
File "py/numpy/core/_internal.py", line 14, in <module>
import ctypes
File "/usr/lib64/python3.4/ctypes/__init__.py", line 541, in <module>
_reset_cache()
File "/usr/lib64/python3.4/ctypes/__init__.py", line 280, in _reset_cache
CFUNCTYPE(c_int)(lambda: None)
MemoryError
---
policy/modules/system/selinuxutil.te | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/policy/modules/system/selinuxutil.te b/policy/modules/system/selinuxutil.te
index 13213552..6380a62a 100644
--- a/policy/modules/system/selinuxutil.te
+++ b/policy/modules/system/selinuxutil.te
@@ -484,7 +484,7 @@ allow semanage_t policy_src_t:dir search;
filetrans_pattern(semanage_t, selinux_config_t, semanage_store_t, dir, "modules")
allow semanage_t semanage_tmp_t:dir manage_dir_perms;
-allow semanage_t semanage_tmp_t:file manage_file_perms;
+allow semanage_t semanage_tmp_t:file { manage_file_perms exec_file_perms };
files_tmp_filetrans(semanage_t, semanage_tmp_t, { file dir })
kernel_read_system_state(semanage_t)
--
2.12.2
On Mon, May 08, 2017 at 05:46:28PM +0200, Luis Ressel via refpolicy wrote:
> Since app-admin/setools-4.1.0, some python internals try to create and
> execute a file in /tmp during semanage initalization, causing semanage
> to crash. Here's the backtrace (with the path
> "/usr/lib64/python3.4/site-packages" replaced by "py" for brevity):
>
> Traceback (most recent call last):
> File "/usr/lib/python-exec/python3.4/semanage", line 28, in <module>
> import seobject
> File "py/seobject.py", line 34, in <module>
> import sepolicy
> File "py/sepolicy/__init__.py", line 8, in <module>
> import setools
> File "py/setools/__init__.py", line 77, in <module>
> from .infoflow import InfoFlowAnalysis
> File "py/setools/infoflow.py", line 22, in <module>
> import networkx as nx
> File "py/networkx/__init__.py", line 93, in <module>
> import networkx.linalg
> File "py/networkx/linalg/__init__.py", line 9, in <module>
> from networkx.linalg.algebraicconnectivity import *
> File "py/networkx/linalg/algebraicconnectivity.py", line 18, in <module>
> from numpy import (array, asmatrix, asarray, dot, matrix, ndarray, ones,
> File "py/numpy/__init__.py", line 180, in <module>
> from . import add_newdocs
> File "py/numpy/add_newdocs.py", line 13, in <module>
> from numpy.lib import add_newdoc
> File "py/numpy/lib/__init__.py", line 8, in <module>
> from .type_check import *
> File "py/numpy/lib/type_check.py", line 11, in <module>
> import numpy.core.numeric as _nx
> File "py/numpy/core/__init__.py", line 22, in <module>
> from . import _internal # for freeze programs
> File "py/numpy/core/_internal.py", line 14, in <module>
> import ctypes
> File "/usr/lib64/python3.4/ctypes/__init__.py", line 541, in <module>
> _reset_cache()
> File "/usr/lib64/python3.4/ctypes/__init__.py", line 280, in _reset_cache
> CFUNCTYPE(c_int)(lambda: None)
> MemoryError
> ---
> policy/modules/system/selinuxutil.te | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/policy/modules/system/selinuxutil.te b/policy/modules/system/selinuxutil.te
> index 13213552..6380a62a 100644
> --- a/policy/modules/system/selinuxutil.te
> +++ b/policy/modules/system/selinuxutil.te
> @@ -484,7 +484,7 @@ allow semanage_t policy_src_t:dir search;
> filetrans_pattern(semanage_t, selinux_config_t, semanage_store_t, dir, "modules")
>
> allow semanage_t semanage_tmp_t:dir manage_dir_perms;
> -allow semanage_t semanage_tmp_t:file manage_file_perms;
> +allow semanage_t semanage_tmp_t:file { manage_file_perms exec_file_perms };
use mmap_file_perms instead
> files_tmp_filetrans(semanage_t, semanage_tmp_t, { file dir })
>
> kernel_read_system_state(semanage_t)
> --
> 2.12.2
>
> _______________________________________________
> refpolicy mailing list
> refpolicy at oss.tresys.com
> http://oss.tresys.com/mailman/listinfo/refpolicy
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Dominick Grift
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On Mon, 8 May 2017 18:03:20 +0200
Dominick Grift via refpolicy <[email protected]> wrote:
> use mmap_file_perms instead
Yes, execute_no_trans is indeed unneccessary, and I'd meant to use
mmap_file_perms. Thanks for the catch!
Regards,
Luis
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