rob wrote: > Is there something that runs before my malloc init function in libpq? > If there is, is there a way to make it happen afterwards? Is there a > library interface which doesn't have hidden init functions? I don't see anything in our code that would initialize stealthily. Maybe it's something we're being linked against -- pthread perhaps? OpenSSL? Maybe you'd have more luck if you noted what is libpq doing when this invalid free is called. Perhaps call abort() and get a stack trace from the resulting dump. -- Alvaro Herrera http://www.CommandPrompt.com/ The PostgreSQL Company - Command Prompt, Inc.