CRYPTO_mem_leaks Error in openssl 1.1.1d

[Matt Caswell]

On 10/11/2020 13:37, shiva kumar wrote:
> Can you please provide me examples or links to refer it.

Google is your friend here.

https://valgrind.org/

The above site has a quick start guide which should help.

Matt


> 
> On Tue, 10 Nov 2020 at 7:04 PM, Matt Caswell <matt at openssl.org
> <mailto:matt at openssl.org>> wrote:
> 
> 
> 
>     On 10/11/2020 13:25, shiva kumar wrote:
>     > Any alternatives for this, if the compiled version doesn't enabled
>     the flag?
> 
>     valgrind?
> 
> 
>     Matt
> 
>     >
>     > On Tue, 10 Nov 2020 at 4:52 PM, Matt Caswell <matt at openssl.org
>     <mailto:matt at openssl.org>
>     > <mailto:matt at openssl.org <mailto:matt at openssl.org>>> wrote:
>     >
>     >
>     >
>     >     On 10/11/2020 09:19, shiva kumar wrote:
>     >     > Hi, 
>     >     > I'm trying to use the CRYPTO_mem_leaks  API in openssl
>     1.1.1d, but
>     >     > during compilation I'm getting error as 
>     >     > *Unsatisfied symbol "CRYPTO_mem_leaks" *
>     >     >
>     >     > I have Included the header 
>     >     > #include <openssl/crypto.h>
>     >     >
>     >     > one doubt is it is defined under crypto.h
>     >     > #ifndef OPENSSL_NO_CRYPTO_MDEBUG
>     >     > CRYPTO_mem_leaks //  defined
>     >     > #endif 
>     >     >
>     >     > in opensslconf.h is defined as  
>     >     > #ifndef OPENSSL_NO_CRYPTO_MDEBUG
>     >     > #define OPENSSL_NO_CRYPTO_MDEBUG
>     >     > #endif 
>     >     >
>     >     > How to resolve the issue?
>     >
>     >     The CRYPTO_mem_leaks API is not available by default. You have to
>     >     compile a version of OpenSSL that has it enabled using the
>     >     "enable-crypto-mdebug" option to "Configure":
>     >
>     >   
>      https://github.com/openssl/openssl/blob/6e933b35492a4dc3370b9f49890646dadca82cd8/INSTALL#L327-L329
>     >
>     >     Matt
>     >
>     > --
>     > *With Best Regards*
>     > *Shivakumar S*
> 
> -- 
> *With Best Regards*
> *Shivakumar S*