[LOW] STR #3053: double free or corruption

[H. Blischke]

> James A. Peltier wrote:
> > On Wed, 7 Jan 2009, Michael Sweet wrote:
> >
> >> [STR Closed w/o Resolution]
> >>
> >> Please contact your Linux distributor for this issue.
> >>
> >> (CentOS/Red Hat CUPS contains substantial changes for SELinux and related
> >> MLS support stuff, and this crash is happening on startup...)
> >>
> >
> > It is not happening at start up, it shows listening afterward because we
> > restarted the daemon.
>
> Same difference...
>
>  > ...
> > However, wouldn't your comments regarding SELinux would still be incorrect
> > since it is disabled?  Also, a double free would not be triggered by
> > SELinux since free is called by the software itself.
>
> There is the kernel SELinux stuff and there are the changes added
> to support multi-level security via SELinux which are always compiled
> into CUPS and are extensive enough that we can't provide support for
> the Red Hat versions of CUPS.
>
> If you can reproduce this with a debug build (./configure
> --enable-debug) of the stock CUPS from cups.org, then we can try to
> help you, but otherwise you need to work with Red Hat or the CentOS
> folks to figure out what is going wrong.
>
> --
> ______________________________________________________________________
> Michael R Sweet                        Senior Printing System Engineer
>

I had the same crash today on a CentOS 5 system. CUPS has been compiled from stock
1.3.5 sources. As this same CUPS runs on severl other machines (other Linuxes,
Sparc Solaris 10, UnixWare 7.1) without problems, I suspect it is a RH ssue with
glibc.

Helge

PS: backtrace and memory map available if needed.