Re: FBSD 14.0 / exim 4,97.1 - exim SIGSEGV

Reply: Odhiambo Washington : "Re: FBSD 14.0 / exim 4,97.1 - exim SIGSEGV"
In reply to: Jim Pazarena : "FBSD 14.0 / exim 4,97.1 - exim SIGSEGV"
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From: tetrosalame <tml_at_seiruote.it>
Date: Sun, 19 May 2024 16:24:36 UTC

Il 19/05/2024 16:46, Jim Pazarena ha scritto:
> I upgraded both of the captioned versions at the same time, so it is not 
> clear to me which is causing this issue.. however, since upgrading, 
> often but without any discernible cycle or frequency, exim refuses 
> incoming connections, and logs the following:
> 
> 2024-05-19 07:21:00 SIGSEGV (fault address: 0xffffffffffffff70)
> 2024-05-19 07:21:00 SIGSEGV (maybe attempt to write to immutable memory)

Maybe exim is violating some policy?
What does sysctl kern.elf${your_arch}.allow_wx say?

FreeBSD14 features some pretty memory protections: see mitigations(7).
Bye,
f