FC5 ext3 Partition SELinux audit denies mount

David Timms dtimms at bigpond.net.au
Tue Apr 18 12:21:20 UTC 2006


danielf wrote:
> I just want to mount an ext3 partition w/ my fstab [work] but, I get some "Audits" from SELinux:
> udit(1145359952.812:30): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.812:31): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.816:32): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.816:33): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.820:34): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.820:35): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.820:36): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.824:37): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.824:38): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.824:39): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.828:40): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.828:41): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.832:42): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.832:43): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.832:44): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.836:45): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.836:46): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.836:47): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.840:48): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.840:49): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.844:50): avc:  denied  { read } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> audit(1145359952.876:51): avc:  denied  { search } for  pid=2319
> comm="pam_console_app" name="/" dev=hda7 ino=2
> scontext=system_u:system_r:pam_console_t:s0-s0:c0.c255
> tcontext=system_u:object_r:file_t:s0 tclass=dir
> Last login: Tue Apr 18 13:29:00 on tty2
> 
> my fstab:
> LABEL=/ / ext3 defaults 1 1
> LABEL=/boot1 /boot ext3 defaults 1 2
> devpts /dev/pts devpts gid=5,mode=620 0 0
> tmpf /dev/shm tmpfs defaults 0 0
> proc /proc proc defaults 0 0
> sysfs /sys sysfs defaults 0 0
> LABEL=SWAP-hda5 swap swap defaults 0 0
> LABEL=/mnt /mnt ext3 auto 1 2 <- i´ve tested w/ 0 0 / 1 1 / 1 2 / 1 4 but nothing works
> 
> the device had the label /mnt set with e2label
> 
> hmm.. if i remember on furhter things i´ll post it... :)
If you mount after boot does the volume mount OK ?
# mount /mnt
I think I am seeing the same thing for both loop iso mounts and 
/dev/hdax style mounts that are in fstab. During boot there is messages 
like:
~ device marked read-only, mounting read-only.  mount failed.

{dmesg|less}
audit(1145350901.349:12): avc:  denied  { mounton } for  pid=1381 
comm="mount" name="9" dev=dm-1 ino=17137913 
scontext=system_u:system_r:mount_t:s0 
tcontext=system_u:object_r:user_home_dir_t:s0 tclass=dir

audit(1145350901.353:13): avc:  denied  { mounton } for  pid=1381 
comm="mount" name="9" dev=dm-1 ino=17137913 
scontext=system_u:system_r:mount_t:s0 
tcontext=system_u:object_r:user_home_dir_t:s0 tclass=dir

audit(1145350901.782:16): avc:  denied  { read write } for  pid=1381 
comm="mount" name="FC-5-i386-DVD.iso" dev=dm-1 ino=13172737 
scontext=system_u:system_r:mount_t:s0 
tcontext=system_u:object_r:user_home_t:s0 tclass=file

Seems if the partitions were not created by the installer then they 
don't get loaded at boot (even though with custom partitioning a 
configured them (do not format).

I welcome a solution too :)

DaveT.




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