Bug 875552
| Summary: | SELinux is preventing /usr/sbin/setfiles from 'read' accesses on the chr_file /dev/random. | ||||||||||||
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| Product: | [Fedora] Fedora | Reporter: | Jan Teichmann <jan.teichmann> | ||||||||||
| Component: | selinux-policy | Assignee: | Miroslav Grepl <mgrepl> | ||||||||||
| Status: | CLOSED CURRENTRELEASE | QA Contact: | Fedora Extras Quality Assurance <extras-qa> | ||||||||||
| Severity: | unspecified | Docs Contact: | |||||||||||
| Priority: | unspecified | ||||||||||||
| Version: | 18 | CC: | dominick.grift, dwalsh, jsmith.fedora, kparal, mgrepl, stephent98 | ||||||||||
| Target Milestone: | --- | ||||||||||||
| Target Release: | --- | ||||||||||||
| Hardware: | x86_64 | ||||||||||||
| OS: | Unspecified | ||||||||||||
| Whiteboard: | abrt_hash:849e7dd3ef7df53b9e9fde8dc0957f49a7c1b0389a391b7c2b7f0022736187a6 | ||||||||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||||||||
| Doc Text: | Story Points: | --- | |||||||||||
| Clone Of: | Environment: | ||||||||||||
| Last Closed: | 2012-12-07 04:31:25 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: | |||||||||||||
| Attachments: |
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Created attachment 643152 [details]
File: type
Created attachment 643153 [details]
File: hashmarkername
happens just after anaconda finished installation using nightly image http://koji.fedoraproject.org/koji/taskinfo?taskID=4673780 commit 18c1e3cfd7701c967688808c330b4d2b8633e7c2
Author: Miroslav Grepl <mgrepl>
Date: Mon Nov 12 09:38:35 2012 +0100
Dontaudit setfiles reading /dev/random, seems a leaked file descriptor in Fedora install
Doing a test install with anaconda 18.29 from F18-Beta-TC9 Live CD. Package: (null) OS Release: Fedora release 18 (Spherical Cow) This appeared at the end of anaconda installation on LiveCD. Package: (null) OS Release: Fedora release 18 (Spherical Cow) I'm not seeing any selinux[1] issues during installation or while booting and running a default Gnome desktop install with: selinux-policy-0:3.11.1-50.fc18.noarch Fedora-18-Beta-x86_64-Live-Desktop.iso (RC1) Tested with: $ qemu-kvm -m 2048 -hda f18-test-1.img -cdrom ~/xfr/fedora/F18/F18-Beta/RC1/Fedora-18-Beta-x86_64-Live-Desktop.iso -usb -vga qxl -boot menu=on -usbdevice mouse [1] https://admin.fedoraproject.org/updates/search/selinux Install with encrypted file systems: Click "Encrypt my data ..." Delete all pre-existing file systems. Auto-create new file systems. Begin installation. The alert occurs when the install stage is "Complete!" F18-Beta-RC1 Live CD Package: (null) OS Release: Fedora release 18 (Spherical Cow) (In reply to comment #8) > Install with encrypted file systems: > Click "Encrypt my data ..." > Delete all pre-existing file systems. > Auto-create new file systems. > Begin installation. > The alert occurs when the install stage is "Complete!" > > F18-Beta-RC1 Live CD > > > Package: (null) > OS Release: Fedora release 18 (Spherical Cow) libreport is not reporting the package version, but for the record it is: selinux-policy-0:3.11.1-50.fc18.noarch Fedora-18-Beta-x86_64-Live-Desktop.iso (RC1) Tested with: $ qemu-kvm -m 2048 -hda f18-test-1.img -cdrom ~/xfr/fedora/F18/F18-Beta/RC1/Fedora-18-Beta-x86_64-Live-Desktop.iso -usb -vga qxl -boot menu=on -usbdevice mouse Created attachment 649410 [details]
audit.log
Created attachment 649411 [details]
messages
selinux-policy-3.11.1-57.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/selinux-policy-3.11.1-57.fc18 Package selinux-policy-3.11.1-57.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.11.1-57.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19374/selinux-policy-3.11.1-57.fc18 then log in and leave karma (feedback). Package selinux-policy-3.11.1-59.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.11.1-59.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19374/selinux-policy-3.11.1-59.fc18 then log in and leave karma (feedback). Running the latest verson of the Anaconda installer from LiveUSB. I burned the Fedora 18 Beta to a USB key, booted from the USB key, updated anaconda via yum, and then ran anaconda. When Anaconda finished, I noticed I had an SELinux alert. Package: (null) OS Release: Fedora release 18 (Spherical Cow) Are you getting the same AVC? Yes, I am. Package selinux-policy-3.11.1-60.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing selinux-policy-3.11.1-60.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-19374/selinux-policy-3.11.1-60.fc18 then log in and leave karma (feedback). selinux-policy-3.11.1-60.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report. |
Additional info: libreport version: 2.0.17 kernel: 3.6.6-3.fc18.x86_64 description: :SELinux is preventing /usr/sbin/setfiles from 'read' accesses on the chr_file /dev/random. : :***** Plugin catchall (100. confidence) suggests *************************** : :If you believe that setfiles should be allowed read access on the random 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 restorecon /var/log/audit/audit.log | audit2allow -M mypol :# semodule -i mypol.pp : :Additional Information: :Source Context unconfined_u:unconfined_r:setfiles_t:s0-s0:c0.c102 : 3 :Target Context system_u:object_r:random_device_t:s0 :Target Objects /dev/random [ chr_file ] :Source restorecon :Source Path /usr/sbin/setfiles :Port <Unknown> :Host (removed) :Source RPM Packages policycoreutils-2.1.13-17.fc18.x86_64 :Target RPM Packages :Policy RPM selinux-policy-3.11.1-50.fc18.noarch :Selinux Enabled True :Policy Type targeted :Enforcing Mode Permissive :Host Name (removed) :Platform Linux (removed) 3.6.6-3.fc18.x86_64 #1 SMP Mon Nov : 5 16:26:34 UTC 2012 x86_64 x86_64 :Alert Count 1 :First Seen 2012-11-11 20:49:26 EST :Last Seen 2012-11-11 20:49:26 EST :Local ID ecec4f83-211c-4c86-be3b-a7fb0a174f8d : :Raw Audit Messages :type=AVC msg=audit(1352684966.710:345): avc: denied { read } for pid=10976 comm="restorecon" path="/dev/random" dev="devtmpfs" ino=1038 scontext=unconfined_u:unconfined_r:setfiles_t:s0-s0:c0.c1023 tcontext=system_u:object_r:random_device_t:s0 tclass=chr_file : : :type=SYSCALL msg=audit(1352684966.710:345): arch=x86_64 syscall=execve success=yes exit=0 a0=254f8f0 a1=254f990 a2=2550280 a3=7fff36b43280 items=0 ppid=10975 pid=10976 auid=1000 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=2 comm=restorecon exe=/usr/sbin/setfiles subj=unconfined_u:unconfined_r:setfiles_t:s0-s0:c0.c1023 key=(null) : :Hash: restorecon,setfiles_t,random_device_t,chr_file,read : :audit2allow : :#============= setfiles_t ============== :allow setfiles_t random_device_t:chr_file read; : :audit2allow -R : :#============= setfiles_t ============== :allow setfiles_t random_device_t:chr_file read; :