AVC denials when using RH Cluster Suite's qdiskd and ping heuristic

[Daniel J Walsh]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Sean E. Millichamp wrote:
> On Thu, 2008-08-28 at 18:05 -0400, Sean E. Millichamp wrote:
> 
>> When I configure a simple ping test with qdisk I get:
>>
>> type=AVC msg=audit(1219960233.627:4561): avc:  denied  { read write } for  pid=23174 comm="ping" path="/dev/sda4" dev=tmpfs ino=1051 scontext=root:system_r:ping_t:s0 tcontext=system_u:object_
>> r:fixed_disk_device_t:s0 tclass=blk_file
>>
>> type=AVC msg=audit(1219960233.627:4561): avc:  denied  { read write } for  pid=23174 comm="ping" path="/dev/sdb4" dev=tmpfs ino=985 scontext=root:system_r:ping_t:s0 tcontext=system_u:object_r
>> :fixed_disk_device_t:s0 tclass=blk_file
>>
>> type=SYSCALL msg=audit(1219960233.627:4561): arch=c000003e syscall=59 success=yes exit=0 a0=1f3575a0 a1=1f357610 a2=1f356150 a3=3 items=0 ppid=23163 pid=23174 auid=0 uid=0 gid=0 euid=0 suid=0
>>  fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none) ses=189 comm="ping" exe="/bin/ping" subj=root:system_r:ping_t:s0 key=(null)
> 
> These messages are because qdiskd doesn't properly clean up its file
> descriptors before forking and execing ping.  I will clean up my
> findings and submit a patch/open a bug report against qdisk.
> 
> Thanks,
> Sean
> 
> 
> --
> fedora-selinux-list mailing list
> fedora-selinux-list at redhat.com
> https://www.redhat.com/mailman/listinfo/fedora-selinux-list
Great, I was just about to suggest this.  Whenever you see something
bizarre like ping trying to read write raw disks, I think of leaked file
descriptors. or redirection of stdout.


-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.9 (GNU/Linux)
Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org

iEYEARECAAYFAki+waYACgkQrlYvE4MpobNRVQCbB8ZKR7N378P18cVG6eRHsY3H
lqIAn0SQgiRvz400F0lvYABizPbatDAG
=b8wE
-----END PGP SIGNATURE-----