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Summary: SELinux is preventing /usr/sbin/crond "sigchld" access . Detailed Description: [SELinux is in permissive mode. This access was not denied.] SELinux denied access requested by crond. It is not expected that this access is required by crond and this access may signal an intrusion attempt. It is also possible that the specific version or configuration of the application is causing it to require additional access. Allowing Access: You can generate a local policy module to allow this access - see FAQ (http://docs.fedoraproject.org/selinux-faq-fc5/#id2961385) Please file a bug report. Additional Information: Source Context unconfined_u:unconfined_r:shutdown_t:s0-s0:c0.c102 3 Target Context system_u:system_r:crond_t:s0-s0:c0.c1023 Target Objects None [ process ] Source crond Source Path /usr/sbin/crond Port <Unknown> Host (removed) Source RPM Packages cronie-1.4.4-1.fc13 Target RPM Packages Policy RPM selinux-policy-3.7.19-13.fc13 Selinux Enabled True Policy Type targeted Enforcing Mode Permissive Plugin Name catchall Host Name (removed) Platform Linux (removed) 2.6.33.3-85.fc13.x86_64 #1 SMP Thu May 6 18:09:49 UTC 2010 x86_64 x86_64 Alert Count 2 First Seen Sat 08 May 2010 10:15:01 PM BST Last Seen Sun 09 May 2010 10:15:01 PM BST Local ID 1cfda662-ca5e-4b9b-974f-f2bca2e44a82 Line Numbers Raw Audit Messages node=(removed) type=AVC msg=audit(1273439701.782:406): avc: denied { sigchld } for pid=30256 comm="crond" scontext=unconfined_u:unconfined_r:shutdown_t:s0-s0:c0.c1023 tcontext=system_u:system_r:crond_t:s0-s0:c0.c1023 tclass=process node=(removed) type=SYSCALL msg=audit(1273439701.782:406): arch=c000003e syscall=61 success=yes exit=30258 a0=ffffffffffffffff a1=7fff73f49d3c a2=0 a3=0 items=0 ppid=1549 pid=30256 auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=40 comm="crond" exe="/usr/sbin/crond" subj=system_u:system_r:crond_t:s0-s0:c0.c1023 key=(null) Hash String generated from catchall,crond,shutdown_t,crond_t,process,sigchld audit2allow suggests: #============= shutdown_t ============== allow shutdown_t crond_t:process sigchld;
Any idea of why a cron processes is executing shutdown?
I leave my box running during the day but do not want it running all night. I have a root cron task running at 10.15 to shut the machine down. Been doing this for years!
Ok I will add this access. Fixed in selinux-policy-3.7.19-18.fc13.noarch
selinux-policy-3.7.19-21.fc13 has been submitted as an update for Fedora 13. http://admin.fedoraproject.org/updates/selinux-policy-3.7.19-21.fc13
selinux-policy-3.7.19-21.fc13 has been pushed to the Fedora 13 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update selinux-policy'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/selinux-policy-3.7.19-21.fc13
selinux-policy-3.7.19-21.fc13 has been pushed to the Fedora 13 stable repository. If problems still persist, please make note of it in this bug report.