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Groups > linux.debian.bugs.rc > #314793

Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen

From Marc Haber <mh+debian-packages@zugschlus.de>
Newsgroups linux.debian.bugs.rc
Subject Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen
Date 2022-02-03 14:30 +0100
Message-ID <DMKlr-3f4-1@gated-at.bofh.it> (permalink)
References (4 earlier) <DMAcp-5tr-1@gated-at.bofh.it> <DM1HI-1iW-3@gated-at.bofh.it> <DMAvM-5zP-1@gated-at.bofh.it> <DM1HI-1iW-3@gated-at.bofh.it> <DMAvM-5zP-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, Feb 03, 2022 at 03:46:22AM +0100, Vincent Lefevre wrote:
> On 2022-02-03 03:29:24 +0100, Vincent Lefevre wrote:
> > On 2022-02-02 18:20:48 +0100, Andreas Metzler wrote:
> > > Any chance of getting a coredump?
> > 
> > exim didn't leave a coredump. I could see that Mutt disables coredumps
> > after some time. I don't know under which condition.
> 
> I've eventually found that coredumps are disabled when I start Mutt
> from my window manager (FVWM), but not from a terminal (actually,
> that's the same wrapper in both cases). The reason seems that
> disabled coredumps is the default (according to /proc/.../limits),
> but I re-enable them in my shell.

Is the bug repeatable by unfreezing the message and forcing a delivery
attempt? If so, you might be able to get a core dump from the delivering
exim.

If the 450 is casued by greylisting on the remote side, that debugging
attempt must be close to the first time of sending the message so that
the 450 is still there.

Greetings
Marc

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Thread

Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Vincent Lefevre <vincent@vinc17.net> - 2022-02-01 14:50 +0100
  Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Vincent Lefevre <vincent@vinc17.net> - 2022-02-02 13:50 +0100
  Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Vincent Lefevre <vincent@vinc17.net> - 2022-02-03 04:00 +0100
    Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Marc Haber <mh+debian-packages@zugschlus.de> - 2022-02-03 14:30 +0100
      Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Vincent Lefevre <vincent@vinc17.net> - 2022-02-03 15:00 +0100
        Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Marc Haber <mh+debian-packages@zugschlus.de> - 2022-02-03 17:40 +0100
          Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Vincent Lefevre <vincent@vinc17.net> - 2022-02-03 18:30 +0100
  Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Gedalya <gedalya@gedalya.net> - 2022-05-10 15:40 +0200

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