MYSQLADMIN -U ROOT -P

DESCRIPTION
===========
Crash occurs when no command is given while executing
mysqladmin utility.

ANALYSIS
========
In mask_password() the final write to array 'temp_argv'
is done without checking if corresponding index 'argc'
is valid (non-negative) or not. In case its negative
(would happen when this function is called with 'argc'=0),
it may cause a SEGFAULT. Logically in such a case,
mask_password() should not have been called as it would do
no valid thing.

FIX
===
mask_password() is now called after checking 'argc'. This
function is now called only when 'argc' is positive
otherwise the process terminates