The server forks out a thread and i am passing a pointer to the ssl object as a
parameter to the thread which closes it just before exit. Like this
Servermain()
{
CreateThread( SSL* ssl ); //user defined function
}
MyThread( void* p )
{
SSL *ssl = (SSL*)p;
//
//do something
//
If(ssl)
SSL_free(ssl);
Return ;
}
Is this OK? And also is there any sequence that should be followed for these
cleanup routines.
-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Kyle Hamilton
Sent: 23 June 2009 00:25
To: [email protected]
Subject: Re: memory leak in openssl
It looks like you did not do an SSL_free when the connection was shut down.
-Kyle H
On Mon, Jun 22, 2009 at 1:16 AM, Vivek Subbarao<[email protected]> wrote:
> Hi,
>
>
>
> I am using openssl 0.9.8e that comes along with the linux rhel 5 u3 OS. We
> have a client server architecture where both the client and server use
> openssl for communication. When i run my server through valgrind i get the
> following error messages. Please do advice me on what i need to do to get
> rid of them.
>
>
>
> 18,698 bytes in 1 blocks are still reachable in loss record 618 of 618
>
> ==5253== at 0x4A05809: malloc (vg_replace_malloc.c:149)
>
> ==5253== by 0x359E6DAB51: CRYPTO_malloc (in /lib64/libcrypto.so.0.9.8e)
>
> ==5253== by 0x35A2821991: ssl3_setup_buffers (in /lib64/libssl.so.0.9.8e)
>
> ==5253== by 0x35A28229D5: ssl23_get_client_hello (in
> /lib64/libssl.so.0.9.8e)
>
> ==5253== by 0x35A2822CF8: ssl23_accept (in /lib64/libssl.so.0.9.8e)
>
> ==5253== by 0x40B558: main (server.cpp:1110)
>
>
>
> I do cleanup when my server exits. Here is my cleanup code
>
> ERR_free_strings();
>
> ENGINE_cleanup();
>
> EVP_cleanup();
>
> CONF_modules_finish();
>
> CONF_modules_free();
>
> CONF_modules_unload(1);
>
> CRYPTO_cleanup_all_ex_data();
>
>
>
>
>
> Thank You
>
> Vivek S
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