Re: [Exim] Silent crashes of 4.40

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Autor: Heiko Schlichting
Fecha:  
A: exim-users
Asunto: Re: [Exim] Silent crashes of 4.40
Philip Hazel wrote:
> This code was introduced in release 4.21 with the following comment:
>
> 28. There was no check for failure on the call to getsockname() in the daemon
>     code. This can fail if there is a shortage of resources on the system, with
>     ENOMEM, for example. A temporary error is now given on failure.


It was introduced in release 4.21 but on a different location in the code.
Starting with 4.40 this code fragment is much earlier and and the file
descriptor smtp_out is unset at this time. Writing to it cause the crash
which never happens before 4.40 but now happens frequently (at least on my
servers) so I consider this problem serious. I wrote a bug report to the
list including a workaround patch. I did this without reading all mails
received on this list today as I was busy using my visual debugger...

Heiko

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