[openssl-dev] [openssl.org #4007] Segmantation fault in OpenSSL 1.0.2a

[Vivekanandhan Subramanian via RT]

Hi,

I am using OpenSSL 1.0.2a in our product in which I have come across segmentation fault while trying to de-initialize OpenSSL.
This issue has been reproduced in Windows, Mac and Android OS. From my basic analysis I've found that crash happens in BIO_Free() function.
While comparing the code with OpenSSL 1.0.1e, following difference was found. Crash was not happening after reverting below change to v1.0.1e.

Kindly let me know if there is any limitation in using the below change.

v1.0.2a:
if ((a->method != NULL) && (a->method->destroy != NULL))
        a->method->destroy(a);

v1.0.1e:
    if ((a->method == NULL) || (a->method->destroy == NULL))
                                return 1;
        a->method->destroy(a);

Regards,
Vivek

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