Bug#979965: milter-greylist exits after running for a few minutes

[Sudip Mukherjee <sudipm.mukherjee@gmail.com>]

Hi Michael,

On Tue, Jan 12, 2021 at 5:54 PM Vagrant Cascadian <vagrant@debian.org> wrote:
>
> On 2021-01-12, Michael Grant wrote:
> > After update to 4.6.2-2, milter-greylist runs for a few minutes
> > processing greylist requests then exits.  No error in the daemon.log.
> > Daemon restarts with systemd over and over.
> >
> > Starting milter-greylist by hand using strace shows this just before
> > it dies:
> >
> > poll([{fd=3, events=POLLIN|POLLPRI}], 1, 5000) = 0 (Timeout)
> > poll([{fd=3, events=POLLIN|POLLPRI}], 1, 5000) = 0 (Timeout)
> > poll([{fd=3, events=POLLIN|POLLPRI}], 1, 5000) = 0 (Timeout)
> > poll([{fd=3, events=POLLIN|POLLPRI}], 1, 5000) = 1 ([{fd=3,
> > revents=POLLIN}])
> > accept(3, {sa_family=AF_UNIX}, [2])     = 10
> > fcntl(10, F_GETFD)                      = 0
> > fcntl(10, F_SETFD, FD_CLOEXEC)          = 0
> > setsockopt(10, SOL_SOCKET, SO_KEEPALIVE, [1], 4) = 0
> > futex(0x7f0f22c221a4, FUTEX_WAKE_PRIVATE, 1) = 1
> > poll([{fd=3, events=POLLIN|POLLPRI}], 1, 5000) = 0 (Timeout)
> > poll([{fd=3, events=POLLIN|POLLPRI}], 1, 5000 <unfinished ...>) = ?
> > +++ exited with 71 +++
> >
> > Previous version of milter-greylist on debian/testing was working fine
> > without this issue.
>
> Could you try running without the systemd .service file so that it falls
> back to the init script; there may be differences between how the
> .service file and the init script set up the environment to run it.

Can you also modify /lib/systemd/system/milter-greylist.service and
change the [Service] section to the following and test please..
[Service]
Type=forking
ExecStart=/usr/sbin/milter-greylist
Restart=on-failure
PrivateTmp=true


-- 
Regards
Sudip