Public bug reported:
I try to switch from jabberd2 to ejabberd and I need PAM authentication.
I have freshly installed `ejabberd` 18.01-2 and `erlang-p1-pam` 1.0.3-3
packages on bionic, and I enabled PAM authentication in
`/etc/ejabbed/ejabberd.yml`:
```
##
## Authentication using PAM
##
auth_method: pam
pam_service: "jabber"
```
and `/etc/pam.d/jabber` is this:
```
auth sufficient pam_unix.so likeauth nullok nodelay
account sufficient pam_unix.so
```
As suggested in the debian README, I have systemctl override like this:
```
[Service]
PrivateDevices=
PrivateDevices=false
NoNewPrivileges=
NoNewPrivileges=false
```
Every time I restart jabberd service, I get a number of such entries in the
crash.log:
```
2018-04-26 13:04:43 =ERROR REPORT====
** Generic server epam terminating
** Last message in was {#Port<0.19001>,{exit_status,139}}
** When Server state == {state,#Port<0.19001>}
** Reason for termination ==
** port_died
2018-04-26 13:04:43 =CRASH REPORT====
crasher:
initial call: epam:init/1
pid: <0.504.0>
registered_name: epam
exception exit:
{port_died,[{gen_server,handle_common_reply,8,[{file,"gen_server.erl"},{line,726}]},{proc_lib,init_p_do_apply,3,[{file,"proc_lib.erl"},{line,247}]}]}
ancestors: [epam_sup,<0.486.0>]
message_queue_len: 0
messages: []
links: [<0.487.0>]
dictionary: []
trap_exit: false
status: running
heap_size: 376
stack_size: 27
reductions: 397
neighbours:
2018-04-26 13:04:43 =SUPERVISOR REPORT====
Supervisor: {local,epam_sup}
Context: child_terminated
Reason: port_died
Offender:
[{pid,<0.504.0>},{id,epam},{mfargs,{epam,start_link,[]}},{restart_type,permanent},{shutdown,brutal_kill},{child_type,worker}]
```
followed by
```
2018-04-26 13:04:43 =SUPERVISOR REPORT====
Supervisor: {local,epam_sup}
Context: shutdown
Reason: reached_max_restart_intensity
Offender:
[{pid,<0.504.0>},{id,epam},{mfargs,{epam,start_link,[]}},{restart_type,permanent},{shutdown,brutal_kill},{child_type,worker}]
```
Exit status 139 means that a child process crashed with signal 11 (SEGFAULT).
Needless to say, xmpp client authentication does not work.
** Affects: ejabberd (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1767101
Title:
epam crashes instantly on ejabberd start
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