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On 06/16/2012 05:14 AM, Stevo Slavić wrote:
Hello Fedora community,
I've just upgraded Fedora 16 to 17 using PreUpgrade. After second restart I
was welcomed by SELinux alert (see [1] for alert details). This bug,
https://bugzilla.redhat.com/show_bug.cgi?id=704591 , seems related but it's
labelled as fixed in older version of selinux-policy. Maybe regression
issue? Should I reopen bug or report another one? Is it a bug at all - I'm
not sure whether "GoogleTalkPlugin should be allowed getattr access on the
gpmctl sock_file by default".
Kind regards, Stevo.
[1] SELinux alert details
SELinux is preventing /opt/google/talkplugin/GoogleTalkPlugin from getattr
access on the sock_file /dev/gpmctl.
***** Plugin catchall (100. confidence) suggests
***************************
If you believe that GoogleTalkPlugin should be allowed getattr access on
the gpmctl sock_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 GoogleTalkPlugi
/var/log/audit/audit.log | audit2allow -M mypol # semodule -i mypol.pp
Additional Information: Source Context
unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c 0.c1023 Target Context
system_u:object_r:gpmctl_t:s0 Target Objects /dev/gpmctl [
sock_file ] Source GoogleTalkPlugi Source Path
/opt/google/talkplugin/GoogleTalkPlugin Port
<Unknown> Host sslavic Source RPM Packages
google-talkplugin-2.9.10.0-1.x86_64 Target RPM Packages Policy RPM
selinux-policy-3.10.0-128.fc17.noarch Selinux Enabled True
Policy Type targeted Enforcing Mode
Enforcing Host Name sslavic Platform
Linux sslavic 3.4.0-1.fc17.x86_64 #1 SMP Sun Jun 3 06:35:17 UTC 2012 x86_64
x86_64 Alert Count 4 First Seen Sat 16
Jun 2012 10:36:53 AM CEST Last Seen Sat 16 Jun 2012
10:36:54 AM CEST Local ID
c1545ce3-f86b-4e20-b078-8db9db556a52
Raw Audit Messages type=AVC msg=audit(1339835814.939:165): avc: denied {
getattr } for pid=8507 comm="GoogleTalkPlugi" path="/dev/gpmctl"
dev="devtmpfs" ino=15878
scontext=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023
tcontext=system_u:object_r:gpmctl_t:s0 tclass=sock_file
type=SYSCALL msg=audit(1339835814.939:165): arch=x86_64 syscall=stat
success=no exit=EACCES a0=23fc998 a1=23fd580 a2=23fd580 a3=24 items=0
ppid=1 pid=8507 auid=1000 uid=1000 gid=1000 euid=1000 suid=1000 fsuid=1000
egid=1000 sgid=1000 fsgid=1000 tty=(none) ses=2 comm=GoogleTalkPlugi
exe=/opt/google/talkplugin/GoogleTalkPlugin
subj=unconfined_u:unconfined_r:mozilla_plugin_t:s0-s0:c0.c1023 key=(null)
Hash: GoogleTalkPlugi,mozilla_plugin_t,gpmctl_t,sock_file,getattr
audit2allowunable to open /sys/fs/selinux/policy: Permission denied
audit2allow -Runable to open /sys/fs/selinux/policy: Permission denied
This should be dontaudited and can be safely ignored, Basically the plugin is
doing an ls -l /dev, and this is generating the AVC. GoolgeTalkPlugin has no
need to interact with gpmctl.
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