[framework] Memory leaks in msf3

[nnp]

Hey,
When running msf3 using db_nmap or db_autopwn with large inputs has
anyone else gotten out of memory errors? I don't know ruby so I have
no idea what the story with garbage collection and memory leaks is but
here is the error.

msf > db_create newDB
[-] Error while running command db_create: Cannot allocate memory

Call stack:
/home/meta/framework3/plugins/db_postgres.rb:114:in `system'
/home/meta/framework3/plugins/db_postgres.rb:114:in `cmd_db_create'
./lib/rex/ui/text/dispatcher_shell.rb:229:in `send'
./lib/rex/ui/text/dispatcher_shell.rb:229:in `run_command'
./lib/rex/ui/text/dispatcher_shell.rb:196:in `run_single'
./lib/rex/ui/text/dispatcher_shell.rb:191:in `each'
./lib/rex/ui/text/dispatcher_shell.rb:191:in `run_single'
./lib/rex/ui/text/shell.rb:118:in `run'
./msfconsole:63


That is after running db_autopwn with about 1500 exploits (that seems
to be about the limit for me with 512MB of memory)

Here is the output of free at the same time
free at metasploit:~/temp$ free -m
             total       used       free     shared    buffers     cached
Mem:           504        475         28          0          7         12
-/+ buffers/cache:        456         48
Swap:          133         62         70


As I said, I don't know ruby so I can't tell if this is a msf3 problem
or a ruby one. I am using ruby 1.8.5 by the way.

Thanks,
NNP

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