2011/9/22 Maxim Dounin <mdounin@mdounin.ru>:
> Hello!
>
> On Wed, Sep 21, 2011 at 01:58:02PM +0200, Jérôme Loyet wrote:
>
>> 2011/9/21 Maxim Dounin <mdounin@mdounin.ru>:
>> > Hello!
>> >
>> > On Wed, Sep 21, 2011 at 01:05:49PM +0200, Jérôme Loyet wrote:
>> >
>> >> Hi,
>> >>
>> >> after migrating to 1.1.4 from 1.0.4, nginx would segfault on some cases.
>> >>
>> >> I've tracked down the problem to a double free in the upstream module.
>> >> Here is a patch. I don't know if it's the right solution to fix this:
>
> [...]
>
>> > It looks like this resulted in "connection
>> > already closed" alerts previously and may resulted in problems
>> > with ssl upstream connections (up to similar segmentation faults).
>> >
>> > Better patch would be
>>
>> yes you are right, this patch is much better. I've just tried it and
>> it works well.
>
> Ok, thanks for testing.
>
> BTW, just to clarify things: are you using upstream fair or some
> other 3rd party balancer module?

I'm using 3rd party balancer module. I should maybe set pc->connection to NULL

>
> Both standard balancers (round-robin and ip hash) explicitly set
> pc->connection (i.e. u->peer.connection) to NULL and this will
> never happen.
>
> Maxim Dounin
>
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