Bug 800348

Summary: SELinux is preventing /usr/bin/ps from using the 'sys_ptrace' capabilities.
Product: [Fedora] Fedora Reporter: Patryk Zawadzki <patrys>
Component: selinux-policyAssignee: Miroslav Grepl <mgrepl>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 17CC: dominick.grift, dwalsh, mgrepl
Target Milestone: ---   
Target Release: ---   
Hardware: x86_64   
OS: Unspecified   
Whiteboard: abrt_hash:90b65e2cb94df4f4fe8322cf50315496d4438a6a3adb795affd8ad1b32466a4d
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2012-03-06 18:59:06 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Patryk Zawadzki 2012-03-06 11:28:11 UTC
libreport version: 2.0.8
executable:     /usr/bin/python
hashmarkername: setroubleshoot
kernel:         3.2.8-3.fc16.x86_64
reason:         SELinux is preventing /usr/bin/ps from using the 'sys_ptrace' capabilities.
time:           wto, 6 mar 2012, 12:27:56

description:
:SELinux is preventing /usr/bin/ps from using the 'sys_ptrace' capabilities.
:
:*****  Plugin catchall (100. confidence) suggests  ***************************
:
:If jeśli ps powinno mieć domyślnie możliwość sys_ptrace.
:Then proszę to zgłosić jako błąd.
:Można utworzyć lokalny moduł polityki, aby umożliwić ten dostęp.
:Do
:można tymczasowo zezwolić na ten dostęp wykonując polecenia:
:# grep ps /var/log/audit/audit.log | audit2allow -M mojapolityka
:# semodule -i mojapolityka.pp
:
:Additional Information:
:Source Context                system_u:system_r:ksmtuned_t:s0
:Target Context                system_u:system_r:ksmtuned_t:s0
:Target Objects                 [ capability ]
:Source                        ps
:Source Path                   /usr/bin/ps
:Port                          <Nieznane>
:Host                          (removed)
:Source RPM Packages           procps-3.2.8-26.20110302git.fc17.x86_64
:Target RPM Packages           
:Policy RPM                    selinux-policy-3.10.0-95.fc17.noarch
:Selinux Enabled               True
:Policy Type                   targeted
:Enforcing Mode                Enforcing
:Host Name                     (removed)
:Platform                      Linux (removed) 3.2.8-3.fc16.x86_64
:                              #1 SMP Tue Feb 28 21:48:17 UTC 2012 x86_64 x86_64
:Alert Count                   15212
:First Seen                    nie, 4 mar 2012, 12:07:59
:Last Seen                     wto, 6 mar 2012, 12:27:13
:Local ID                      5c469428-3119-4b66-932f-53627a3921ee
:
:Raw Audit Messages
:type=AVC msg=audit(1331033233.583:454): avc:  denied  { sys_ptrace } for  pid=3268 comm="ps" capability=19  scontext=system_u:system_r:ksmtuned_t:s0 tcontext=system_u:system_r:ksmtuned_t:s0 tclass=capability
:
:
:type=SYSCALL msg=audit(1331033233.583:454): arch=x86_64 syscall=read success=yes exit=196 a0=6 a1=3af9221140 a2=3ff a3=3af900c7d9 items=0 ppid=3267 pid=3268 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=ps exe=/usr/bin/ps subj=system_u:system_r:ksmtuned_t:s0 key=(null)
:
:Hash: ps,ksmtuned_t,ksmtuned_t,capability,sys_ptrace
:
:audit2allowunable to open /sys/fs/selinux/policy:  Permission denied
:
:
:audit2allow -Runable to open /sys/fs/selinux/policy:  Permission denied
:
:

Comment 1 Patryk Zawadzki 2012-03-06 16:40:47 UTC
I believe the problem is related to using an F16 kernel.

Have not yet experienced the sys_ptrace flood since upgrading to kernel-3.3.0-0.rc6.git0.2.fc17.x86_64