[Pkg-shadow-devel] Bug#396241: login: Executing su cause an "invalid pointer" error

Nicolas François nicolas.francois at centraliens.net
Sun Apr 15 20:14:10 UTC 2007


On Sun, Apr 15, 2007 at 09:23:31PM +0200, Frederic Schutz wrote:
> Yes, I am still able to reproduce it, and I am happy to believe that a 
> PAM module is responsible, but I have no idea which one -- and I am not 
> able to "play" too much with the configuration (this is a server in 
> production) in order to narrow it down, unfortunately.

If you provide the PAM configuration, we can try to reproduce it.

This usually means files like:
 * /etc/pam.d/su
 * /etc/pam.d/common-auth
 * /etc/pam.d/common-password
 * /etc/pam.d/common-session
 * /etc/security/pam_env.conf
 * /etc/security/limits.conf
 * /etc/pam.conf

Note that there may be sensible information in them (just filter out some
fields if you wish).

You can also check if it is caused by a file corruption:
debsum login libpam0g libpam-runtime libpam-modules
(and maybe other packages)

Kind Regards,

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