[exim] Re: SIGSEGV in panic log

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Autor: Jim Pazarena
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A: exim-users
Assumptes vells: [exim] Re: SIGSEGV in panic log
Assumpte: [exim] Re: SIGSEGV in panic log
I am now experiencing the same error on multiple vms across multiple
chassis.

4.97.1
on FreeBSD 14.0p5

It is unclear to me how to find a newer version such as a testing version?
Is there a 4.97.2 forthcoming any time soon ? even a beta ?




On 2024-02-22 9:47 AM, Andrew C Aitchison via Exim-users wrote:
> On Thu, 22 Feb 2024, Jim Pazarena via Exim-users wrote:
>
>> I created a new VM for exim . I've loaded many VMs .. this chassis has
>> several active VMs actually. vmWare.
>> I have never seen the following .. it seems like a chassis memory
>> error .. however the other two active VMs on this chassis run without
>> issue. So I wonder ..
>> is there anything on exim that could -possibly- be triggering this ?
>> SSL ? (this is on FreeBSD 14.0)
>>
>> these errors show up in the exim panic log. stopping the exim instance
>> and restarting it, gets it up and running, but eventually it happens
>> again.
>
> Which version of Exim ?
> What is in the error log at that time ?
>
> Recent crash bugs include:
> https://bugs.exim.org/show_bug.cgi?id=3059
>   SIGSEGV on SMTP delivery if remote badly responds
>    while PIPELINING and CHUNKED is active
>
>
> https://bugs.exim.org/show_bug.cgi?id=3047
>   doesn't crash on known systems, but attempts to use a bad address
>   (though nearer -2G than -100).
>   What version of PCRE2 are you using?
>
> Are you up to building a patched version of Exim -
> both of these have patches which may help *if* you have that problem ?
>
>
>> 2023-12-25 10:34:15 SIGSEGV (fault address: 0xffffffffffffff7c)
>> 2023-12-25 10:34:15 SIGSEGV (maybe attempt to write to immutable memory)
>> 2023-12-25 10:34:15 SIGSEGV (44383 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>> 2023-12-25 10:34:15 SIGSEGV (fault address: 0xffffffffffffff7c)
>> 2023-12-25 10:34:15 SIGSEGV (maybe attempt to write to immutable memory)
>> 2023-12-25 10:34:15 SIGSEGV (44384 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>> 2023-12-25 10:34:15 SIGSEGV (fault address: 0xffffffffffffff7c)
>> 2023-12-25 10:34:15 SIGSEGV (maybe attempt to write to immutable memory)
>> 2023-12-25 10:34:15 SIGSEGV (44385 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>> 2023-12-25 10:34:15 SIGSEGV (fault address: 0xffffffffffffff7c)
>> 2023-12-25 10:34:15 SIGSEGV (maybe attempt to write to immutable memory)
>> 2023-12-25 10:34:15 SIGSEGV (44386 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>>
>> I deleted the vm, reloaded it, and eventually the same issue resurfaced:
>>
>> 2024-02-21 05:09:07 SIGSEGV (fault address: 0xffffffffffffff74)
>> 2024-02-21 05:09:07 SIGSEGV (maybe attempt to write to immutable memory)
>> 2024-02-21 05:09:07 SIGSEGV ( 3685 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>> 2024-02-21 05:09:07 SIGSEGV (fault address: 0xffffffffffffff74)
>> 2024-02-21 05:09:07 SIGSEGV (maybe attempt to write to immutable memory)
>> 2024-02-21 05:09:07 SIGSEGV ( 3686 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>> 2024-02-21 05:09:07 SIGSEGV (fault address: 0xffffffffffffff74)
>> 2024-02-21 05:09:07 SIGSEGV (maybe attempt to write to immutable memory)
>> 2024-02-21 05:09:07 SIGSEGV ( 3687 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>> 2024-02-21 05:09:07 SIGSEGV (fault address: 0xffffffffffffff74)
>> 2024-02-21 05:09:07 SIGSEGV (maybe attempt to write to immutable memory)
>> 2024-02-21 05:09:07 SIGSEGV ( 3688 handling incoming connection from
>> emailh.ca [23.235.65.100]
>> )
>>
>>
>> --
>> Jim Pazarena         exim@???
>> Haida Gwaii - British Columbia - Canada
>


-- 
Jim Pazarena         exim@???
Haida Gwaii - British Columbia - Canada


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