[guest - Tue Mar 23 20:10:43 2004]:

> I have narrowed it down to the function BN_BLINDING_new in the file 
> crypto\bn\bn_blind.c, the memory allocated for the BN_BLINDING 
> structure never gets freed. I am assuming that the BIGNUM structures 
> allocated with BN_new inside of BN_BLINDING never gets freed also.
> 
> Here are my test results after running 24 hours monitoring the 
> OPENSSL_malloc and OPENSSL_free calls: 
> 
> 1. BN_BLINDING � allocations 53,615, frees 0, outstanding 53,615 
> 2. BN_new � allocations 8,347,200, frees 8,127,872 outstanding 
219,328 
> 3. I also track the heap and it grows proportional to the lack of BN 
> frees
> 4. This bug has been re-produced in OpenSSL 0.9.79(b&c) in 
> Apache/mod_ssl/OpenSSL - Apache 2.0.48 
>  
> Is there anyone out there willing to help out that understands the 
big 
> number code? Can anyone at least tell me if Apache/mod_ssl/OpenSSL 
> needs to initialize some kind of callback? Like 
> CRYPTO_set_locking_callback <- Just an example, this is in the code, 
> are there any other callbacks anyone can think of to get the OpenSSL 
> code to release the BN memory?
> 

I ran tests on 0.9.7d last night and the BL_BLINDING mallocs are now 
being freed


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