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Description of problem:
The BSD-style /bin/mail application installed by mailx-8.1.1-22
generates segmentation faults when running from cron on an Enterprise
Linux Team server (or in any other situation where the USER
environment variable is unset).

 

In particular the mail source code defines a function send() that
interposes a libc function with the same name. If the USER environment
variable is not set the code calls getpwuid() which, due to the
involvement of LDAP in the environment, ultimately requires a call to
the libc send() function. Mail's own send() function gets called
instead, an uninitialized pointer is dereferenced and the segmentation
fault occurs.

 

Please investigate a solution for this problem. This may include
patching the source code (renaming all functions that are also in libc
as send() is not the only one); implementing a replacement mail
package; or anything else that may solve this problem. The agreed
solution should then be rolled out to all WIS servers that currently
have the mailx package installed on them.
n them.



Version-Release number of selected component (if applicable):
Update CD5, kernel release 2.4.9-41

How reproducible:
Always

Steps to Reproduce:
1. See above.
    

Actual Results:  /bin/mail crashes

Expected Results:  mail sends mail and do not crash

Additional info:

Please ask for additional information if you need any.