| Summary: | SELinux is preventing /usr/sbin/pppd from 'ioctl' accesses on the chr_file /dev/ttyUSB0. | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Cássio Magno <kenmatrix> |
| Component: | selinux-policy | Assignee: | Miroslav Grepl <mgrepl> |
| Status: | CLOSED ERRATA | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | unspecified | Docs Contact: | |
| Priority: | unspecified | ||
| Version: | 16 | CC: | dominick.grift, dwalsh, mgrepl, sergei.litvinenko, theo148 |
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | x86_64 | ||
| OS: | Unspecified | ||
| Whiteboard: | abrt_hash:3ed092669adb98f952a7c083ad0d60cabb26dccf0ea4115209602f7170e9f1ba | ||
| Fixed In Version: | selinux-policy-3.10.0-40.fc16 | Doc Type: | Bug Fix |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2011-10-19 04:30:52 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
Could you execute # semanage permissive -a pppd_t re-test it # ausearch -m avc -ts recent I'm having the same issue when trying to establish a mobile broadband connection here - I managed to work around it by following setroubleshoot's advice and compiling a custom policy (several times though, once for getattr, then read/write, open, etc.). After disabling this policy and re-testing I get this:
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time->Fri Oct 7 15:23:32 2011
type=SYSCALL msg=audit(1317972212.869:265): arch=c000003e syscall=16 success=no exit=-13 a0=a a1=5417 a2=7fff42e4cc4c a3=0 items=0 ppid=23412 pid=23657 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972212.869:265): avc: denied { ioctl } for pid=23657 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=166216 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:23:31 2011
type=SYSCALL msg=audit(1317972211.607:263): arch=c000003e syscall=16 success=no exit=-13 a0=a a1=540b a2=2 a3=7fff42e4c9f0 items=0 ppid=23412 pid=23657 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972211.607:263): avc: denied { ioctl } for pid=23657 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=166216 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:25:09 2011
type=SYSCALL msg=audit(1317972309.266:270): arch=c000003e syscall=4 success=no exit=-13 a0=7fffb8fb3a30 a1=7fffb8fb39a0 a2=7fffb8fb39a0 a3=7fffb8fb3730 items=0 ppid=25470 pid=25578 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972309.266:270): avc: denied { getattr } for pid=25578 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=191516 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:25:09 2011
type=SYSCALL msg=audit(1317972309.266:271): arch=c000003e syscall=4 success=no exit=-13 a0=7fffb8fb3a20 a1=7fffb8fb3990 a2=7fffb8fb3990 a3=ffffffc0 items=0 ppid=25470 pid=25578 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972309.266:271): avc: denied { getattr } for pid=25578 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=191516 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:29:00 2011
type=SYSCALL msg=audit(1317972540.271:275): arch=c000003e syscall=4 success=yes exit=0 a0=7fff5aef6d70 a1=7fff5aef6ce0 a2=7fff5aef6ce0 a3=7fff5aef6a70 items=0 ppid=25702 pid=25795 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972540.271:275): avc: denied { getattr } for pid=25795 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:29:00 2011
type=SYSCALL msg=audit(1317972540.284:276): arch=c000003e syscall=2 success=yes exit=10 a0=7ff0da626360 a1=80802 a2=0 a3=7ff0da3c8500 items=0 ppid=25702 pid=25795 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972540.284:276): avc: denied { open } for pid=25795 comm="pppd" name="ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
type=AVC msg=audit(1317972540.284:276): avc: denied { read write } for pid=25795 comm="pppd" name="ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:29:00 2011
type=SYSCALL msg=audit(1317972540.287:277): arch=c000003e syscall=16 success=yes exit=0 a0=a a1=5416 a2=7fff5aef7cec a3=7fff5aef7a70 items=0 ppid=25702 pid=25795 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972540.287:277): avc: denied { ioctl } for pid=25795 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:29:09 2011
type=SYSCALL msg=audit(1317972549.910:279): arch=c000003e syscall=16 success=yes exit=0 a0=a a1=540b a2=2 a3=7fff5aef7b40 items=0 ppid=25702 pid=25795 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972549.910:279): avc: denied { ioctl } for pid=25795 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:29:30 2011
type=SYSCALL msg=audit(1317972570.505:281): arch=c000003e syscall=2 success=yes exit=10 a0=7f2c55dae360 a1=80802 a2=0 a3=7f2c55b50500 items=0 ppid=25702 pid=25921 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972570.505:281): avc: denied { open } for pid=25921 comm="pppd" name="ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
type=AVC msg=audit(1317972570.505:281): avc: denied { read write } for pid=25921 comm="pppd" name="ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
----
time->Fri Oct 7 15:29:30 2011
type=SYSCALL msg=audit(1317972570.492:280): arch=c000003e syscall=4 success=yes exit=0 a0=7fff6529d330 a1=7fff6529d2a0 a2=7fff6529d2a0 a3=7fff6529d030 items=0 ppid=25702 pid=25921 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="pppd" exe="/usr/sbin/pppd" subj=system_u:system_r:pppd_t:s0 key=(null)
type=AVC msg=audit(1317972570.492:280): avc: denied { getattr } for pid=25921 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=190960 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file
Fixed in selinux-policy-3.10.0-39.fc16 selinux-policy-3.10.0-40.fc16 has been submitted as an update for Fedora 16. https://admin.fedoraproject.org/updates/selinux-policy-3.10.0-40.fc16 Package selinux-policy-3.10.0-40.fc16: * should fix your issue, * was pushed to the Fedora 16 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.10.0-40.fc16' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2011-14363 then log in and leave karma (feedback). selinux-policy-3.10.0-40.fc16 has been pushed to the Fedora 16 stable repository. If problems still persist, please make note of it in this bug report. |
libreport version: 2.0.6 executable: /usr/bin/python hashmarkername: setroubleshoot kernel: 3.1.0-0.rc8.git0.1.fc16.x86_64 reason: SELinux is preventing /usr/sbin/pppd from 'ioctl' accesses on the chr_file /dev/ttyUSB0. time: Thu Oct 6 06:04:11 2011 description: :SELinux is preventing /usr/sbin/pppd from 'ioctl' accesses on the chr_file /dev/ttyUSB0. : :***** Plugin catchall (100. confidence) suggests *************************** : :If you believe that pppd should be allowed ioctl access on the ttyUSB0 chr_file by default. :Then you should report this as a bug. :You can generate a local policy module to allow this access. :Do :allow this access for now by executing: :# grep pppd /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context system_u:system_r:pppd_t:s0 :Target Context system_u:object_r:usbtty_device_t:s0 :Target Objects /dev/ttyUSB0 [ chr_file ] :Source pppd :Source Path /usr/sbin/pppd :Port <Desconhecido> :Host (removed) :Source RPM Packages ppp-2.4.5-18.fc16 :Target RPM Packages :Policy RPM selinux-policy-3.10.0-36.fc16 :Selinux Enabled True :Policy Type targeted :Enforcing Mode Enforcing :Host Name (removed) :Platform Linux Tecnocratas.com : 3.1.0-0.rc8.git0.1.fc16.x86_64 #1 SMP Tue Oct 4 : 03:16:40 UTC 2011 x86_64 x86_64 :Alert Count 1 :First Seen Qui 06 Out 2011 06:02:50 BRT :Last Seen Qui 06 Out 2011 06:02:50 BRT :Local ID 70fc4534-4b0c-4953-aff6-2497171dc784 : :Raw Audit Messages :type=AVC msg=audit(1317891770.125:82): avc: denied { ioctl } for pid=2302 comm="pppd" path="/dev/ttyUSB0" dev=devtmpfs ino=45344 scontext=system_u:system_r:pppd_t:s0 tcontext=system_u:object_r:usbtty_device_t:s0 tclass=chr_file : : :type=SYSCALL msg=audit(1317891770.125:82): arch=x86_64 syscall=ioctl success=no exit=EACCES a0=a a1=5417 a2=7fffc8001c4c a3=0 items=0 ppid=1037 pid=2302 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=pppd exe=/usr/sbin/pppd subj=system_u:system_r:pppd_t:s0 key=(null) : :Hash: pppd,pppd_t,usbtty_device_t,chr_file,ioctl : :audit2allow : :#============= pppd_t ============== :allow pppd_t usbtty_device_t:chr_file ioctl; : :audit2allow -R : :#============= pppd_t ============== :allow pppd_t usbtty_device_t:chr_file ioctl; :