Re: restorecon -r goes up the tree?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 10/05/2016 10:24 AM, Richard Haines wrote:
> On Wed, 2016-10-05 at 15:28 +0800, Jason Zaman wrote:
>> Hey all,
>>
>> There have been a few changes to restorecon just before RC1 and it
>> appears to not stay in the dir it was pointed at anymore?
>>
>> meriadoc ~ # mount | grep "/dev"
>> udev on /dev type devtmpfs
>> (rw,nosuid,relatime,seclabel,size=10240k,nr_inodes=1521608,mode=755)
>> devpts on /dev/pts type devpts
>> (rw,relatime,seclabel,gid=5,mode=620,ptmxmode=000)
>> mqueue on /dev/mqueue type mqueue
>> (rw,nosuid,nodev,noexec,relatime,seclabel)
>> shm on /dev/shm type tmpfs (rw,nosuid,nodev,noexec,relatime,seclabel)
>>
>> meriadoc ~ # restorecon -rv /dev/
>> Warning no default label for /run/sm-notify.pid
>> Warning no default label for /run/cgmanager/fs
>> Warning no default label for /run/user/1000/dconf
>> Warning no default label for /run/user/1000/dconf/user
>> Warning no default label for /run/user/1000/gvfs
>> Warning no default label for /run/lightdm.pid
>> Warning no default label for /run/dbus.pid
>> ^C
>>
>> I'd already run restorecon so this output isnt as verbose as it was
>> before (scrollback fell off). But the first time it was also going
>> into
>> /usr and /lib and many other places that are not /dev. /dev and /run
>> are
>> also separate mountpoints so its not just that its doing the entire
>> rootfs or something cuz if that was the case it would stay in /dev.
>> Also "/dev" vs "/dev/" makes no difference.
> 
> I can also see the problem and investigating. It appears it is in
> the new selinux_restorecon(3) code regarding realpath conversion. This
> code was lifted from Android.c and seems the same in latest Android.
> Will send patch once resolved.

It is a difference between glibc and bionic behaviors for dirname() and
basename().  They can modify their argument under POSIX.  You cannot
pass pathname_orig to them.  You would have gotten compiler warnings
with the Android code, but apparently silenced those with (char *) casts.



_______________________________________________
Selinux mailing list
Selinux@xxxxxxxxxxxxx
To unsubscribe, send email to Selinux-leave@xxxxxxxxxxxxx.
To get help, send an email containing "help" to Selinux-request@xxxxxxxxxxxxx.



[Index of Archives]     [Selinux Refpolicy]     [Linux SGX]     [Fedora Users]     [Fedora Desktop]     [Yosemite Photos]     [Yosemite Camping]     [Yosemite Campsites]     [KDE Users]     [Gnome Users]

  Powered by Linux