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Simon Deziel bc1fb4dab4 dovecot: master SIGTERM child that are slow to die 
When doing a service reload, I noticed the following:

    ```Mar 22 15:52:27 smtp dovecot: master: Warning: SIGHUP received - reloading configuration
    Mar 22 15:52:27 smtp dovecot: imap(simon): Server shutting down. in=35309 out=232805
    Mar 22 15:52:27 smtp dovecot: imap(simon): Server shutting down. in=24600 out=1688166
    Mar 22 15:52:27 smtp dovecot: imap(simon): Server shutting down. in=14026 out=95516
    Mar 22 15:52:27 smtp dovecot: imap(simon): Server shutting down. in=13776 out=141513
    Mar 22 15:52:33 smtp dovecot: master: Warning: Processes aren't dying after reload, sending SIGTERM.
    Mar 22 15:52:33 smtp dovecot: master: Error: service(imap): kill(5806, 15) failed: Permission denied
    Mar 22 15:52:33 smtp dovecot: master: Error: service(imap-login): kill(5804, 15) failed: Permission denied
    Mar 22 15:52:33 smtp dovecot: master: Error: service(config): kill(506, 15) failed: Permission denied
    Mar 22 15:52:33 smtp kernel: [65542.184326] audit: type=1400 audit(1553284353.609:82): apparmor="DENIED" operation="signal" profile="dovecot" pid=414 comm="dovecot" requested_mask="send" denied_mask="send" signal=term peer="/usr/lib/dovecot/imap"
    Mar 22 15:52:33 smtp kernel: [65542.197596] audit: type=1400 audit(1553284353.625:83): apparmor="DENIED" operation="signal" profile="dovecot" pid=414 comm="dovecot" requested_mask="send" denied_mask="send" signal=term peer="/usr/lib/dovecot/imap-login"
    Mar 22 15:52:33 smtp kernel: [65542.197635] audit: type=1400 audit(1553284353.625:84): apparmor="DENIED" operation="signal" profile="dovecot" pid=414 comm="dovecot" requested_mask="send" denied_mask="send" signal=term peer="/usr/lib/dovecot/config"
    Mar 22 15:52:36 smtp dovecot: imap(simon): Server shutting down. in=17882 out=104004
    ```

The server was heavily loaded which is probably why it ended up trying to SIGTERM those.

Signed-off-by: Simon Deziel <simon@sdeziel.info>
(cherry picked from commit f01fd38ca0)
Signed-off-by: John Johansen <john.johansen@canonical.com>
2019-03-22 16:07:55 -07:00
..
apparmor/profiles/extras Merge branch 'cboltz-postalias' into 'master' 2018-10-26 14:40:04 +00:00
apparmor.d dovecot: master SIGTERM child that are slow to die 2019-03-22 16:07:55 -07:00
Makefile Merge branch 'test-includes' into 'apparmor-2.12' 2018-10-18 17:15:07 +00:00