Misconfiguration of pam config files lead to segfaulting processes

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Issue

Processes interacting with pam may suffer a segmentation fault. For example, execution of a cron job causes a message like:

crond[2600]: segfault at 00000000000000b0 rip 00002b1eaff7be47 rsp 00007fffbb5a8050 error 4

Environment

Red Hat Enterprise Linux 5

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