Bug#1060457: /usr/sbin/exim4: SIGSEGV when remote smtp reject the message

[Jan Niehusmann]

Just to report a successful upgrade:

I had exactly the same issue on one of my mail servers, with exim
versions up to 4.96-15+deb12u7. It was even triggered by the the same recipient
domains (icloud.com and me.com).

Upgrading to 4.98.1-2~bpo12+1 from bookworm-backports solved the issue.
(Now I get a proper error message, "SMTP error from remote mail server
after RCPT TO", because it looks like my IP is on some blocklist.)

In case it's relevant: This was on a rather old (and often upgraded)
system that is still using the i386 architecture.

Jan

On Tue, Apr 09, 2024 at 09:07:09AM +0200, Didier Raboud wrote:
> No; it's a production system, and downgrading along the past stable
> releases was OK'ish; upgrading to unstable's, less so.
> 
> On Sun, Apr 7, 2024 at 8:52 AM Andreas Metzler <ametzler at bebt.de> wrote:
> 
> > Control: found 1060457 4.96-15+deb12u2
> >
> > On 2024-04-02 Didier Raboud via Pkg-exim4-maintainers <
> > pkg-exim4-maintainers at alioth-lists.debian.net> wrote:
> > > wrote:
> > >> Il giorno ven, 12/01/2024 alle 18.15 +0100, Andreas Metzler ha scritto:
> > >>> Is this a regression in 4.96-15+deb12u4? i.e. can you still reprroduce
> > >>> the issue after downgrading exim4-daemon-heavy to 4.96-15+deb12u3 [1]
> > >>> (and re-reproduce after upgrading again)?
> > [...]
> > > This does not seem to be a regression; I tried as far back as deb12u2 and
> > > the same issue could be reproduced.
> >
> > Thank you.
> >
> > Would you be able to check with 4.97, too? I intend to provide backports
> > once testing has stopped being stuck due to t64.
> >
> > cu Andreas
> > --
> > `What a good friend you are to him, Dr. Maturin. His other friends are
> > so grateful to you.'
> > `I sew his ears on from time to time, sure'
> >