Bug 1119002 - SELinux is preventing /usr/bin/python2.7 from 'search' accesses on the directory .
Summary: SELinux is preventing /usr/bin/python2.7 from 'search' accesses on the direct...
Alias: None
Product: Fedora
Classification: Fedora
Component: selinux-policy
Version: 20
Hardware: x86_64
OS: Unspecified
Target Milestone: ---
Assignee: Miroslav Grepl
QA Contact: Fedora Extras Quality Assurance
Whiteboard: abrt_hash:63aa0ceb1f4e49daa871290250a...
Depends On:
TreeView+ depends on / blocked
Reported: 2014-07-13 02:41 UTC by Alick Zhao
Modified: 2014-07-26 15:59 UTC (History)
4 users (show)

Fixed In Version: selinux-policy-3.12.1-179.fc20
Doc Type: Bug Fix
Doc Text:
Clone Of:
Last Closed: 2014-07-26 15:59:59 UTC

Attachments (Terms of Use)

Description Alick Zhao 2014-07-13 02:41:32 UTC
Description of problem:
The alert pop up when I try to start fail2ban.service

$ sudo systemctl status fail2ban.service 
fail2ban.service - Fail2ban Service
   Loaded: loaded (/usr/lib/systemd/system/fail2ban.service; enabled)
   Active: failed (Result: start-limit) since 日 2014-07-13 10:38:13 CST; 6s ago
  Process: 1989 ExecStart=/usr/bin/fail2ban-client -x start (code=exited, status=255)

7月 13 10:38:13 neon systemd[1]: fail2ban.service holdoff time over, scheduling restart.
7月 13 10:38:13 neon systemd[1]: Stopping Fail2ban Service...
7月 13 10:38:13 neon systemd[1]: Starting Fail2ban Service...
7月 13 10:38:13 neon systemd[1]: fail2ban.service start request repeated too quickly, refusing to start.
7月 13 10:38:13 neon systemd[1]: Failed to start Fail2ban Service.
7月 13 10:38:13 neon systemd[1]: Unit fail2ban.service entered failed state.
SELinux is preventing /usr/bin/python2.7 from 'search' accesses on the directory .

*****  Plugin catchall (100. confidence) suggests   **************************

If 您确定应默认允许 python2.7 search 访问  directory。
Then 您应该将这个情况作为 bug 报告。
# grep fail2ban-client /var/log/audit/audit.log | audit2allow -M mypol
# semodule -i mypol.pp

Additional Information:
Source Context                system_u:system_r:fail2ban_client_t:s0
Target Context                system_u:object_r:auditd_log_t:s0
Target Objects                 [ dir ]
Source                        fail2ban-client
Source Path                   /usr/bin/python2.7
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           python-2.7.5-13.fc20.x86_64
Target RPM Packages           
Policy RPM                    selinux-policy-3.12.1-176.fc20.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 3.14.9-200.fc20.x86_64 #1 SMP Thu
                              Jun 26 21:40:51 UTC 2014 x86_64 x86_64
Alert Count                   5
First Seen                    2014-07-13 10:38:10 CST
Last Seen                     2014-07-13 10:38:13 CST
Local ID                      047eb022-b860-45e2-ba30-ba6364f0b956

Raw Audit Messages
type=AVC msg=audit(1405219093.315:129882): avc:  denied  { search } for  pid=1989 comm="fail2ban-client" name="audit" dev="dm-0" ino=1720722 scontext=system_u:system_r:fail2ban_client_t:s0 tcontext=system_u:object_r:auditd_log_t:s0 tclass=dir

type=SYSCALL msg=audit(1405219093.315:129882): arch=x86_64 syscall=lstat success=no exit=EACCES a0=22ffbd0 a1=7fff59b3c070 a2=7fff59b3c070 a3=0 items=0 ppid=1 pid=1989 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=fail2ban-client exe=/usr/bin/python2.7 subj=system_u:system_r:fail2ban_client_t:s0 key=(null)

Hash: fail2ban-client,fail2ban_client_t,auditd_log_t,dir,search

Additional info:
reporter:       libreport-2.2.2
hashmarkername: setroubleshoot
kernel:         3.14.9-200.fc20.x86_64
type:           libreport

Comment 1 Alick Zhao 2014-07-13 02:54:55 UTC
This happens if I want to enable the selinux-ssh jail. Otherwise fail2ban starts fine.

Comment 2 Miroslav Grepl 2014-07-16 10:53:20 UTC

commit 2a860963fcc040f3a8fcf4d20863fc2d13b10703
Author: Miroslav Grepl <mgrepl@redhat.com>
Date:   Wed Jul 16 12:51:43 2014 +0200

    Dontaudit search audit logs for fail2ban

Comment 3 Fedora Update System 2014-07-24 08:47:41 UTC
selinux-policy-3.12.1-179.fc20 has been submitted as an update for Fedora 20.

Comment 4 Fedora Update System 2014-07-25 10:06:34 UTC
Package selinux-policy-3.12.1-179.fc20:
* should fix your issue,
* was pushed to the Fedora 20 testing repository,
* should be available at your local mirror within two days.
Update it with:
# su -c 'yum update --enablerepo=updates-testing selinux-policy-3.12.1-179.fc20'
as soon as you are able to.
Please go to the following url:
then log in and leave karma (feedback).

Comment 5 Fedora Update System 2014-07-26 15:59:59 UTC
selinux-policy-3.12.1-179.fc20 has been pushed to the Fedora 20 stable repository.  If problems still persist, please make note of it in this bug report.

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