Bug 1460994 - SELinux is preventing /usr/sbin/snapperd from using the 'fowner' capabilities.
SELinux is preventing /usr/sbin/snapperd from using the 'fowner' capabilities.
Status: NEW
Product: Fedora
Classification: Fedora
Component: selinux-policy (Show other bugs)
x86_64 Unspecified
unspecified Severity unspecified
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Assigned To: Lukas Vrabec
Fedora Extras Quality Assurance
Depends On:
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Reported: 2017-06-13 06:23 EDT by Andrew Cook
Modified: 2017-06-13 06:23 EDT (History)
7 users (show)

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Description Andrew Cook 2017-06-13 06:23:36 EDT
Description of problem:
When running snapper -c shared create-config /media/shared

# ls -lZd /media/shared 
drwxr-x---+ 1 andrew andrew system_u:object_r:mnt_t:s0 270 May 23 14:10 /media/shared
SELinux is preventing /usr/sbin/snapperd from using the 'fowner' capabilities.

*****  Plugin catchall (100. confidence) suggests   **************************

If you believe that snapperd should have the fowner capability by default.
Then you should report this as a bug.
You can generate a local policy module to allow this access.
allow this access for now by executing:
# ausearch -c 'snapperd' --raw | audit2allow -M my-snapperd
# semodule -X 300 -i my-snapperd.pp

Additional Information:
Source Context                system_u:system_r:snapperd_t:s0-s0:c0.c1023
Target Context                system_u:system_r:snapperd_t:s0-s0:c0.c1023
Target Objects                /media/shared [ capability ]
Source                        snapperd
Source Path                   /usr/sbin/snapperd
Port                          <Unknown>
Host                          (removed)
Source RPM Packages           snapper-0.4.1-1.fc25.x86_64
Target RPM Packages           
Policy RPM                    selinux-policy-3.13.1-225.16.fc25.noarch
Selinux Enabled               True
Policy Type                   targeted
Enforcing Mode                Enforcing
Host Name                     (removed)
Platform                      Linux (removed) 4.11.3-202.fc25.x86_64 #1 SMP Mon
                              Jun 5 16:38:21 UTC 2017 x86_64 x86_64
Alert Count                   1
First Seen                    2017-06-13 20:20:10 AEST
Last Seen                     2017-06-13 20:20:10 AEST
Local ID                      96e505c0-cc38-40b8-9b53-978cc52ee39e

Raw Audit Messages
type=AVC msg=audit(1497349210.30:2838): avc:  denied  { fowner } for  pid=16384 comm="snapperd" capability=3  scontext=system_u:system_r:snapperd_t:s0-s0:c0.c1023 tcontext=system_u:system_r:snapperd_t:s0-s0:c0.c1023 tclass=capability permissive=0

type=SYSCALL msg=audit(1497349210.30:2838): arch=x86_64 syscall=open success=no exit=EPERM a0=7f907c5df5b0 a1=c0000 a2=7f907c5dfb68 a3=7f9074006f30 items=1 ppid=1 pid=16384 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm=snapperd exe=/usr/sbin/snapperd subj=system_u:system_r:snapperd_t:s0-s0:c0.c1023 key=(null)

type=CWD msg=audit(1497349210.30:2838): cwd=/

type=PATH msg=audit(1497349210.30:2838): item=0 name=/media/shared inode=256 dev=00:2f mode=040750 ouid=1000 ogid=1000 rdev=00:00 obj=system_u:object_r:mnt_t:s0 nametype=NORMAL

Hash: snapperd,snapperd_t,snapperd_t,capability,fowner

Version-Release number of selected component:

Additional info:
reporter:       libreport-2.8.0
hashmarkername: setroubleshoot
kernel:         4.11.3-202.fc25.x86_64
type:           libreport

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