[Samba] pam_smbpass causing corruption with su

Caesar Samsi cmsamsi at gmail.com
Sat May 9 14:11:13 MDT 2015



This bug has a long history since 4.1.6 and I can confirm with 4.2.1 


I've isolated to the line:


auth optional pam_smbpass.so migrate


Configured in /etc/pam.d/common-auth


That line is added by libpam-smbpass package installation and also by using
pam-auth-update to enable SMB Password Synchronization


For 4.2.1 the error however occurs in su:


*** Error in `su': double free or corruption (fasttop): 0x000000000110d800



Which happens after the password is entered.

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