I'm just curious, what was the offending library? I have seen similar memory issues in the past that I never had a chance to get to the bottom of, actually openssl behaved differently between 0.9.8i and 0.9.8j. But I'm wondering what library you had to work around.
Thanks. > From: psu...@pittstate.edu > Subject: Re: Another "memory growing" on AIX (fwd) > To: openssl-users@openssl.org > Date: Mon, 1 Mar 2010 13:21:31 -0600 > > > > > Tim Hudson wrote: > > > > > Can you make a small test program which demonstrates this behaviour? > > > > > Typically some cleanup code is being missed when this is sort of thing is > > > raised; however a bit of test code makes it fairly easy to track down > > > using a > > > combination of the malloc wrapper functions, valgrind and purify. > > > > I'll try. Currently all the functionality is in a library that > > wraps openssl, but I should be able to make single test program. > > I'll be out of the office until Monday, and will try to get to it > > then. Thanks. > > > > -Mike > > Update: The "memory leak" is NOT in openssl. > > While getrusage() did indeed indicate that all growth in process size > occurred within SSL_connect(), it seems likely that's because some other > non-openssl library was not properly freeing some small amounts of > memory (136 bytes per connection); and this caused memory avaiable for > reallocation to gradually decline over the hundreds (and indeed thousands) > of connections being performed. As this progressed, SSL_connect() > occasionally requested more than was available, and so the process size > increased. But to reiterate, the problem is actually in a different library, > not in openssl. I was able to work around the offending library, and when I > did the process memory size was steady over 24,000 connections. > > My sincere apologies for the false alarm. > > -Mike > > ______________________________________________________________________ > OpenSSL Project http://www.openssl.org > User Support Mailing List openssl-users@openssl.org > Automated List Manager majord...@openssl.org
