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Bug 2143302 - SELinux is preventing httpd from map access on the chr_file /dev/zero
Summary: SELinux is preventing httpd from map access on the chr_file /dev/zero
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: httpd
Version: 7.9
Hardware: Unspecified
OS: Linux
unspecified
unspecified
Target Milestone: rc
: ---
Assignee: Luboš Uhliarik
QA Contact: rhel-cs-infra-services-qe
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-11-16 14:57 UTC by Siddharth
Modified: 2023-01-30 16:25 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2022-11-16 16:18:36 UTC
Target Upstream Version:
Embargoed:
pm-rhel: mirror+

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-139649 0 None None None 2022-11-16 15:37:19 UTC
Red Hat Knowledge Base (Solution) 6985789 0 None None None 2022-11-16 15:39:17 UTC

Description Siddharth 2022-11-16 14:57:40 UTC 
Description of problem: After updating jbcs-httpd from  2.4.37 to 2.4.51, the Webserver not starting giving "SELinux is preventing /opt/rh/jbcs-httpd24/root/usr/sbin/httpd from map access on the chr_file /dev/zero."


Version-Release number of selected component (if applicable):


How reproducible: Update jbcs-httpd from  2.4.37 to 2.4.51 and start httpd service with SE enforcing.

Actual results:

# journalctl -xe:

Okt 27 07:24:33 TestLab7 systemd[1]: Starting The Apache HTTP Server...
-- Subject: Unit jbcs-httpd24-httpd.service has begun start-up
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit jbcs-httpd24-httpd.service has begun starting up.
Okt 27 07:24:33 TestLab7 systemd[1]: jbcs-httpd24-httpd.service: main process exited, code=exited, status=1/FAILURE
Okt 27 07:24:33 TestLab7 systemd[1]: Failed to start The Apache HTTP Server.
-- Subject: Unit jbcs-httpd24-httpd.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit jbcs-httpd24-httpd.service has failed.
--
-- The result is failed.
Okt 27 07:24:33 TestLab7 systemd[1]: Unit jbcs-httpd24-httpd.service entered failed state.
Okt 27 07:24:33 TestLab7 systemd[1]: jbcs-httpd24-httpd.service failed.
Okt 27 07:24:33 TestLab7 dbus[537]: [system] Activating service name='org.fedoraproject.Setroubleshootd' (using servicehelper)
Okt 27 07:24:33 TestLab7 polkitd[531]: Unregistered Authentication Agent for unix-process:3954:146366644 (system bus name :1.273625, object path /
Okt 27 07:24:34 TestLab7 dbus[537]: [system] Successfully activated service 'org.fedoraproject.Setroubleshootd'
Okt 27 07:24:35 TestLab7 setroubleshoot[3979]: failed to retrieve rpm info for /dev/zero
Okt 27 07:24:35 TestLab7 postfix/smtpd[3992]: connect from localhost[127.0.0.1]
Okt 27 07:24:35 TestLab7 postfix/smtpd[3992]: C56F23338F66: client=localhost[127.0.0.1]
Okt 27 07:24:35 TestLab7 postfix/cleanup[3995]: C56F23338F66: message-id=<20221027052435.C56F23338F66@TestLab7>
Okt 27 07:24:35 TestLab7 postfix/smtpd[3992]: disconnect from localhost[127.0.0.1]
Okt 27 07:24:35 TestLab7 setroubleshoot[3979]: SELinux is preventing /opt/rh/jbcs-httpd24/root/usr/sbin/httpd from map access on the chr_file /dev
Okt 27 07:24:35 TestLab7 postfix/qmgr[1354]: C56F23338F66: from=<SELinux_Troubleshoot@TestLab7>, size=3130, nrcpt=1 (queue active)
Okt 27 07:24:35 TestLab7 python[3979]: SELinux is preventing /opt/rh/jbcs-httpd24/root/usr/sbin/httpd from map access on the chr_file /dev/zero.


Expected results:

It should work with the update.


Additional info:

It is working when set SE permissive.
Comment 4 Coty Sutherland 2022-11-16 16:49:18 UTC 
JBCS issue created at https://issues.redhat.com/browse/JBCS-1426. Please continue discussion there.
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