ldconfig + SELinux = symlink slaughter

[Richard Hally]

Dave Mack wrote:

> OK, this is getting mildly annoying. With the current Rawhide tree 
> (and for about the last week) I've been running into a problem when I 
> "yum update" with SELinux in enforcing mode: the reboot which follows 
> fails because most of the symlinks to shared libraries in /lib have 
> evaporated. The culprit is ldconfig, which is being run during the yum 
> update after library changes.
>
> Reproduce by:
>
> # ls -l /lib/libtermcap.so.2*
>
> lrwxrwxrwx   1 root root 19 Dec 11 09:17   /lib/termcap.so.2 -> 
> libtermcap.so.2.0.8
> -rwxr-xr-x   1 root root 12952 Jun 15 17:34 /lib/libtermcap.so.2.0.8
>
> # setenforce 1
> # ldconfig
>
> <many lines of complaint about "Input file /lib/<something>.so not 
> found">
>
> # ls -l /lib/libtermcap.so.2*
>
> ls: error while loading shared libraries: libacl.so.1: cannot open 
> shared object file: No such file or directory
>
> # setenforce 0
>
> # ldconfig
>
> <no errors>
>
> Now everything is back to normal.
>
> Is anyone else able to reproduce this or is it just me? Known bug?
>
> Dave
>
This problem has been fixed. Make sure that you have the latest (from 
rawhide) rpm package and the latest libselinux package.
HTH
Richard Hally