On 24/01/2019 12:18, Rainer Jung wrote:
> Am 21.01.2019 um 15:49 schrieb Mark Thomas:
>> Version 1.2.20 includes the following changes compared to 1.2.19:
>>
>> - Fixed memory leak associated with the use of OpenSSL BIO (used when
>>    OpenSSL provides the TLS functionality for the NIO and NIO2
>>    connectors)
>>
>> Various other fixes and improvements. See the changelog for details.
>>
>> The proposed release artefacts can be found at [1],
>> and the build was done using tag [2].
>>
>> The Apache Tomcat Native 1.2.20 release is
>>   [ ] Stable, go ahead and release
>>   [X] Broken because of ...

I'm cancelling this vote because of this crash. I'll re-tag shortly.

Mark


> 
> At last during unit test execution JVM crashes, eg. in TestCustomSsl. A
> new native APR pool is being freed as a child pool of aprPool during
> OpenSSLContext.destroy() at the end of a test and then there's another
> attempt to free it later when the Finalizer kicks in and finalizes the
> old OpenSSLEngine.
> 
> What I don't know though is whether this can happen for normal TC or
> embedded TC or is specific to the lifetimes of objects during unit test
> execution.
> 
> Details:
> 
> - test testCustomTrustManagerNone creates OpenSSLEngine 7f560c39, ssl
> 4298850656 and con->pool 4309969128 from parent pool aprPool = c->pool
> 4306893544
> 
> - at the end of this test OpenSSLContext.destroy() runs and destroys
> aprPool = c->pool 4306893544 and therefore also its child pools
> including con->pool 4309969128
> 
> - later during testCustomSslImplementation the Finalizer kicks in for
> the old OpenSSLEngine 7f560c39.
> 
> - The finalize() method frees the old ssl 4298850656, which was also
> created in the earlier test
> 
> - Freeing that ssl in the native code destroys the con->pool 4309969128
> which was already destroyed at the end of the first test
> 
> Regards,
> 
> Rainer
> 
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