[Dovecot] 2.1.2 (pop3|imap)-login crash

Timo Sirainen tss at iki.fi
Wed Mar 21 18:08:07 EET 2012


The log messages are now wrong though. It logs SSL/TLS connections as being non-SSL/TLS. Oh, right, this must have started happening because of this recent change: http://hg.dovecot.org/dovecot-2.1/rev/49b832c5de0e

I'll figure out a proper fix soon.

On 21.3.2012, at 18.04, Luca Palazzo wrote:

> It worked. We have no more sigsegv on *-login process.
> 
> Thanks
> 
> Luca
> 
> Nella citazione in data Wed Mar 21 16:17:56 2012, Timo Sirainen ha scritto:
>> Hi,
>> 
>> On 20.3.2012, at 11.09, Luca Palazzo wrote:
>> 
>>> Hi Timo, hi all,
>>> after upgrading my server (both backends and load balancer) to 2.1.2 (from 2.0.17), I'm getting a log of login processes crashed in load balancer.
>>> 
>>> 0xb77cd176 in ssl_proxy_is_handshaked (proxy=0x0) at ssl-proxy-openssl.c:710
>>> 710     {
>>> (gdb) bt
>>> #0  0xb77cd176 in ssl_proxy_is_handshaked (proxy=0x0) at ssl-proxy-openssl.c:710
>>> #1  0xb77c7295 in client_get_log_str (client=0x807b830, msg=0x804e290 "proxy(aaaaaa at dddddd.it): disconnecting x.x.x.x (Disconnected by server)") at client-common.c:469
>>> #2  0xb77c73c6 in client_log (client=0x807b830, msg=0x804e290 "proxy(aaaaaaa at dddddd.it): disconnecting x.x.x.x (Disconnected by server)") at client-common.c:553
>>> #3  0xb77c9a45 in login_proxy_free_reason (_proxy=<value optimized out>, reason=0x804e248 "Disconnected by server") at login-proxy.c:373
>> 
>> Interesting. This happens because client_destroy() has already been called at the time login_proxy_free_reason() gets called. I'll need to look further into it, but for a quick workaround use the attached patch.
>> 
> 



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