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Date:      Thu, 30 Apr 2020 12:22:03 -0700
From:      David Christensen <dpchrist@holgerdanske.com>
To:        freebsd-questions@freebsd.org
Subject:   =?UTF-8?Q?Re=3a_Strange_bea=e2=94=82hio_in_daily_messsges?=
Message-ID:  <2a178278-fd90-189e-edcd-dbe224ea94d5@holgerdanske.com>
In-Reply-To: <20200430044801.GA22722@mithril.foucry.net>
References:  <20200430044801.GA22722@mithril.foucry.net>

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On 2020-04-29 21:48, Jacques Foucry wrote:
> Hello All,
> 
> Hop your going.
> 
> I run a FreeBSD 12.1-RELEASE-p4 on a baremetal server with many jail (one per
> fonction).
> 
> The mail jail use rspamd to fight against spam.
> Like all of us I receveive everゆ mornin a security report from my jail (and
> the host).
> 
> In everey reports I found many rspamd errors:
> 
> `(rspamd-2.5), jid 19, uid 236: exited on signal 10`
> 
> Ok thats means rspand got a problem, but why I found tほose reports in *every*
> daily security mail of *every* jail I use?
> 
> How can I stop it? I did find (may be I look bad) anything in periodic
> security script?
> 
> What I miss?
> 
> Thanks for you help and advices,
> Take care.

It appears signal 10 is a bus error:

https://github.com/freebsd/freebsd/blob/master/sys/sys/signal.h


This page clarifies the meaning of "bus error":

https://www.geeksforgeeks.org/segmentation-fault-sigsegv-vs-bus-error-sigbus/


My guess would be the latter case -- unaligned memory access.  This 
could be a coding bug (struct not laid out for 64-bit architecture?) or 
a misconfigured compile (?).


Where did your rspamd binary come from -- package?  port?  downloaded 
and built by hand?


David



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