[sr-dev] [SR-Users] Info: initialization of libssl 1.1.+ with PTHREAD_PROCESS_SHARED attribute for pthread mutex and rwlock

[Daniel-Constantin Mierla]

Hello,

can you provide the full backtrace from gdb?

Also, give the output for "kamailio -I" and the exact version for libssl.

Cheers,
Daniel

On 20.10.19 22:35, Vitalii Aleksandrov wrote:
> Hi.
>
> I'm going to jump into this thread with a bit different but related
> problem. I've tried kamailio master branch with the mentioned
> workaround and it still crashes almost immediately in my load tests
> when kamailio is linked to
> libssl-1.1.1.
> Haven't followed kamailio recently since had to switch to opensips for
> my current project but the root of the problem is the same - the
> multiprocess nature of a proxy and new behavior of libssl that uses
> pthread functions directly. This workaround with pthread_mutex_init()
> overriding really helps with deadlocks found with libssl1.1.0, but
> after switching to libssl1.1.1 it started to crash again. That lib
> version also uses thread local storage what most probably creates new
> problems since ssl contex IIRC might be moved between tcp main and
> workers.
>
> Has anyone tested kamailio master on debian 10 with libssl-1.1.1 and
> many concurrent tls connections?
>
>> I understood it happened on a load test session, which typically is
>> not done in production, but some test/staging system.
>>
>> Cheers,
>> Daniel
>>
>
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-- 
Daniel-Constantin Mierla -- www.asipto.com
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