hello,
i get these lines in syslog when using post-login within imap-login:
imap-login: Fatal: master: service(imap-login): child 574 killed with signal 11
(core dumps disabled)
imap[5523]: segfault at 14 ip b7556276 sp bfc1c940 error 4 in
libdovecot.so.0.0.0[b7529000+d4000]
these are the relevant sections i added:
service imap-login {
executable = imap post-login
}
service post-login {
executable = script-login /path/to/exec
}
i also used /bin/true as /path/to/exec to exclude
the used exec itself as the reason. same result.
version is 2.2.13 on gentoo-linux. i wonder if
this error is gentoo-specific (cflags/etc...) or
a bug in dovecot. this behaviour can be reproduced
on two other of my gentoo-machines.
same configuration worked in previous versions,
don't know the exact version number.
thanks a lot for your suggestions.
i'll also cc to the gentoo-people.
nico
-------------- next part --------------
# 2.2.13: /etc/dovecot/dovecot.conf
# OS: Linux 3.12.21-jason-bare-i686-1403781919 i686
# NOTE: Send doveconf -n output instead when asking for help.
auth_anonymous_username = anonymous
auth_cache_negative_ttl = 1 hours
auth_cache_size = 0
auth_cache_ttl = 1 hours
auth_debug = no
auth_debug_passwords = no
auth_default_realm =
auth_failure_delay = 2 secs
auth_gssapi_hostname =
auth_krb5_keytab =
auth_master_user_separator =
auth_mechanisms = plain login
auth_proxy_self =
auth_realms =
auth_socket_path = auth-userdb
auth_ssl_require_client_cert = no
auth_ssl_username_from_cert = no
auth_use_winbind = no
auth_username_chars =
abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890.-_@
auth_username_format = %Lu
auth_username_translation =
auth_verbose = no
auth_verbose_passwords = no
auth_winbind_helper_path = /usr/bin/ntlm_auth
auth_worker_max_count = 30
base_dir = /var/run/dovecot
config_cache_size = 1 M
debug_log_path =
default_client_limit = 1000
default_idle_kill = 30 secs
default_internal_user = dovecot
default_login_user = dovecot
default_process_limit = 16
default_vsz_limit = 256 M
deliver_log_format = msgid=%m: %$
dict_db_config =
director_doveadm_port = 0
director_mail_servers =
director_servers =
director_user_expire = 15 mins
director_username_hash = %u
disable_plaintext_auth = no
dotlock_use_excl = yes
doveadm_allowed_commands =
doveadm_password =
doveadm_port = 0
doveadm_socket_path = doveadm-server
doveadm_worker_count = 0
dsync_alt_char = _
dsync_remote_cmd = ssh -l%{login} %{host} doveadm dsync-server -u%u -U
first_valid_gid = 1000
first_valid_uid = 1000
hostname =
imap_capability =
imap_client_workarounds =
imap_id_log =
imap_id_send = name *
imap_idle_notify_interval = 2 mins
imap_logout_format = in=%i out=%o
imap_max_line_length = 64 k
imap_metadata = no
imap_urlauth_host =
imap_urlauth_logout_format = in=%i out=%o
imap_urlauth_port = 143
imapc_features =
imapc_host =
imapc_list_prefix =
imapc_master_user =
imapc_max_idle_time = 29 mins
imapc_password =
imapc_port = 143
imapc_rawlog_dir =
imapc_ssl = no
imapc_ssl_verify = yes
imapc_user =
import_environment = TZ CORE_OUTOFMEM CORE_ERROR LISTEN_PID LISTEN_FDS
info_log_path =
instance_name = dovecot
last_valid_gid = 0
last_valid_uid = 0
lda_mailbox_autocreate = no
lda_mailbox_autosubscribe = no
lda_original_recipient_header =
libexec_dir = /usr/libexec/dovecot
listen = *
lmtp_address_translate =
lmtp_proxy = no
lmtp_rcpt_check_quota = no
lmtp_save_to_detail_mailbox = no
lock_method = fcntl
log_path = syslog
log_timestamp = "%b %d %H:%M:%S "
login_access_sockets =
login_greeting = Dovecot ready.
login_log_format = %$: %s
login_log_format_elements = user=<%u> method=%m rip=%r lip=%l mpid=%e %c
%k
login_trusted_networks =
mail_access_groups =
mail_always_cache_fields =
mail_attachment_dir =
mail_attachment_fs = sis posix
mail_attachment_hash = %{sha1}
mail_attachment_min_size = 128 k
mail_attribute_dict =
mail_cache_fields = flags
mail_cache_min_mail_count = 0
mail_chroot =
mail_debug = yes
mail_fsync = optimized
mail_full_filesystem_access = no
mail_gid =
mail_home =
mail_location =
maildir:%h/mail:INBOX=%h/mail/incoming/.mail:LAYOUT=fs:DIRNAME=.mail
mail_log_prefix = "%s(%u): "
mail_max_keyword_length = 50
mail_max_lock_timeout = 0
mail_max_userip_connections = 10
mail_never_cache_fields = imap.envelope
mail_nfs_index = no
mail_nfs_storage = no
mail_plugin_dir = /usr/lib/dovecot
mail_plugins =
mail_prefetch_count = 0
mail_privileged_group = mail
mail_save_crlf = no
mail_shared_explicit_inbox = no
mail_temp_dir = /tmp
mail_temp_scan_interval = 1 weeks
mail_uid =
mailbox_idle_check_interval = 30 secs
mailbox_list_index = no
maildir_broken_filename_sizes = no
maildir_copy_with_hardlinks = yes
maildir_empty_new = no
maildir_stat_dirs = no
maildir_very_dirty_syncs = no
master_user_separator =
mbox_dirty_syncs = yes
mbox_dotlock_change_timeout = 2 mins
mbox_lazy_writes = yes
mbox_lock_timeout = 5 mins
mbox_md5 = apop3d
mbox_min_index_size = 0
mbox_read_locks = fcntl
mbox_very_dirty_syncs = no
mbox_write_locks = dotlock fcntl
mdbox_preallocate_space = no
mdbox_purge_preserve_alt = no
mdbox_rotate_interval = 0
mdbox_rotate_size = 2 M
mmap_disable = no
namespace {
disabled = no
hidden = no
ignore_on_failure = no
inbox = yes
list = yes
location =
mailbox archive {
auto = subscribe
driver =
special_use = \Archive
}
mailbox drafts {
auto = subscribe
driver =
special_use = \Drafts
}
mailbox junk {
auto = subscribe
driver =
special_use = \Junk
}
mailbox sent {
auto = subscribe
driver =
special_use = \Sent
}
mailbox trash {
auto = subscribe
driver =
special_use = \Trash
}
prefix =
separator = /
subscriptions = yes
type = private
}
namespace {
disabled = no
hidden = no
ignore_on_failure = no
inbox = no
list = yes
location = maildir:%h/mail/incoming:LAYOUT=fs:DIRNAME=.mail
prefix = INBOX/
separator = /
subscriptions = yes
type = private
}
passdb {
args =
default_fields =
deny = no
driver = pam
master = no
name =
override_fields =
pass = no
result_failure = continue
result_internalfail = continue
result_success = return-ok
skip = never
}
pop3_client_workarounds =
pop3_deleted_flag =
pop3_enable_last = no
pop3_fast_size_lookups = no
pop3_lock_session = no
pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s
pop3_no_flag_updates = no
pop3_reuse_xuidl = no
pop3_save_uidl = no
pop3_uidl_duplicates = allow
pop3_uidl_format = %08Xu%08Xv
pop3c_host =
pop3c_master_user =
pop3c_password =
pop3c_port = 110
pop3c_quick_received_date = no
pop3c_rawlog_dir =
pop3c_ssl = no
pop3c_ssl_verify = yes
pop3c_user = %u
postmaster_address =
protocols = imap
quota_full_tempfail = no
recipient_delimiter = +
rejection_reason = Your message to <%t> was automatically rejected:%n%r
rejection_subject = Rejected: %s
replication_dsync_parameters = -d -N -l 30 -U
replication_full_sync_interval = 1 days
replication_max_conns = 10
replicator_host = replicator
replicator_port = 0
sendmail_path = /usr/sbin/sendmail
service aggregator {
chroot = .
client_limit = 0
drop_priv_before_exec = no
executable = aggregator
extra_groups =
fifo_listener replication-notify-fifo {
group =
mode = 0600
user =
}
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener replication-notify {
group =
mode = 0600
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service anvil {
chroot = empty
client_limit = 0
drop_priv_before_exec = no
executable = anvil
extra_groups =
group =
idle_kill = 4294967295 secs
privileged_group =
process_limit = 1
process_min_avail = 1
protocol =
service_count = 0
type = anvil
unix_listener anvil-auth-penalty {
group =
mode = 0600
user =
}
unix_listener anvil {
group =
mode = 0600
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service auth-worker {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = auth -w
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 1
type =
unix_listener auth-worker {
group =
mode = 0600
user = $default_internal_user
}
user =
vsz_limit = 18446744073709551615 B
}
service auth {
chroot =
client_limit = 0
drop_priv_before_exec = no
executable = auth
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 1
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener auth-client {
group =
mode = 0600
user = $default_internal_user
}
unix_listener auth-login {
group =
mode = 0600
user = $default_internal_user
}
unix_listener auth-master {
group =
mode = 0600
user =
}
unix_listener auth-userdb {
group =
mode = 0666
user = $default_internal_user
}
unix_listener login/login {
group =
mode = 0666
user =
}
unix_listener token-login/tokenlogin {
group =
mode = 0666
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service config {
chroot =
client_limit = 0
drop_priv_before_exec = no
executable = config
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 0
type = config
unix_listener config {
group =
mode = 0600
user =
}
user =
vsz_limit = 18446744073709551615 B
}
service dict {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = dict
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener dict {
group =
mode = 0600
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service director {
chroot = .
client_limit = 0
drop_priv_before_exec = no
executable = director
extra_groups =
fifo_listener login/proxy-notify {
group =
mode = 00
user =
}
group =
idle_kill = 4294967295 secs
privileged_group =
process_limit = 1
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener director-admin {
group =
mode = 0600
user =
}
unix_listener login/director {
group =
mode = 00
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service dns_client {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = dns-client
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener dns-client {
group =
mode = 0666
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service doveadm {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = doveadm-server
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 1
type =
unix_listener doveadm-server {
group =
mode = 0600
user =
}
user =
vsz_limit = 18446744073709551615 B
}
service imap-login {
chroot = login
client_limit = 0
drop_priv_before_exec = no
executable = imap post-login
extra_groups =
group =
idle_kill = 0
inet_listener imap {
address =
port = 143
reuse_port = no
ssl = no
}
inet_listener imaps {
address =
port = 993
reuse_port = no
ssl = yes
}
privileged_group =
process_limit = 0
process_min_avail = 0
protocol = imap
service_count = 1
type = login
user = $default_login_user
vsz_limit = 18446744073709551615 B
}
service imap-urlauth-login {
chroot = token-login
client_limit = 0
drop_priv_before_exec = no
executable = imap-urlauth-login
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol = imap
service_count = 1
type = login
unix_listener imap-urlauth {
group =
mode = 0666
user =
}
user = $default_login_user
vsz_limit = 18446744073709551615 B
}
service imap-urlauth-worker {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = imap-urlauth-worker
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 1024
process_min_avail = 0
protocol = imap
service_count = 1
type =
unix_listener imap-urlauth-worker {
group =
mode = 0600
user = $default_internal_user
}
user =
vsz_limit = 18446744073709551615 B
}
service imap-urlauth {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = imap-urlauth
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 1024
process_min_avail = 0
protocol = imap
service_count = 1
type =
unix_listener token-login/imap-urlauth {
group =
mode = 0666
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service imap {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = imap
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 1024
process_min_avail = 0
protocol = imap
service_count = 1
type =
unix_listener login/imap {
group =
mode = 0666
user =
}
user =
vsz_limit = 18446744073709551615 B
}
service indexer-worker {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = indexer-worker
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 10
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener indexer-worker {
group =
mode = 0600
user = $default_internal_user
}
user =
vsz_limit = 18446744073709551615 B
}
service indexer {
chroot =
client_limit = 0
drop_priv_before_exec = no
executable = indexer
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 1
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener indexer {
group =
mode = 0666
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service ipc {
chroot = empty
client_limit = 0
drop_priv_before_exec = no
executable = ipc
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 1
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener ipc {
group =
mode = 0600
user =
}
unix_listener login/ipc-proxy {
group =
mode = 0600
user = $default_login_user
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service lmtp {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = lmtp
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol = lmtp
service_count = 0
type =
unix_listener lmtp {
group =
mode = 0666
user =
}
user =
vsz_limit = 18446744073709551615 B
}
service log {
chroot =
client_limit = 0
drop_priv_before_exec = no
executable = log
extra_groups =
group =
idle_kill = 4294967295 secs
privileged_group =
process_limit = 1
process_min_avail = 0
protocol =
service_count = 0
type = log
unix_listener log-errors {
group =
mode = 0600
user =
}
user =
vsz_limit = 18446744073709551615 B
}
service pop3-login {
chroot = login
client_limit = 0
drop_priv_before_exec = no
executable = pop3-login
extra_groups =
group =
idle_kill = 0
inet_listener pop3 {
address =
port = 110
reuse_port = no
ssl = no
}
inet_listener pop3s {
address =
port = 995
reuse_port = no
ssl = yes
}
privileged_group =
process_limit = 0
process_min_avail = 0
protocol = pop3
service_count = 1
type = login
user = $default_login_user
vsz_limit = 18446744073709551615 B
}
service pop3 {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = pop3
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 1024
process_min_avail = 0
protocol = pop3
service_count = 1
type =
unix_listener login/pop3 {
group =
mode = 0666
user =
}
user =
vsz_limit = 18446744073709551615 B
}
service post-login {
chroot =
client_limit = 0
drop_priv_before_exec = no
executable = script-login /bin/true
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 0
type =
user =
vsz_limit = 18446744073709551615 B
}
service replicator {
chroot =
client_limit = 0
drop_priv_before_exec = no
executable = replicator
extra_groups =
group =
idle_kill = 4294967295 secs
privileged_group =
process_limit = 1
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener replicator-doveadm {
group =
mode = 00
user = $default_internal_user
}
unix_listener replicator {
group =
mode = 0600
user = $default_internal_user
}
user =
vsz_limit = 18446744073709551615 B
}
service ssl-params {
chroot =
client_limit = 0
drop_priv_before_exec = no
executable = ssl-params
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 0
type = startup
unix_listener login/ssl-params {
group =
mode = 0666
user =
}
unix_listener ssl-params {
group =
mode = 0666
user =
}
user =
vsz_limit = 18446744073709551615 B
}
service stats {
chroot = empty
client_limit = 0
drop_priv_before_exec = no
executable = stats
extra_groups =
fifo_listener stats-mail {
group =
mode = 0600
user =
}
group =
idle_kill = 4294967295 secs
privileged_group =
process_limit = 1
process_min_avail = 0
protocol =
service_count = 0
type =
unix_listener stats {
group =
mode = 0600
user =
}
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
service tcpwrap {
chroot =
client_limit = 1
drop_priv_before_exec = no
executable = tcpwrap
extra_groups =
group =
idle_kill = 0
privileged_group =
process_limit = 0
process_min_avail = 0
protocol =
service_count = 0
type =
user = $default_internal_user
vsz_limit = 18446744073709551615 B
}
shutdown_clients = yes
ssl = yes
ssl_ca =
ssl_cert = </etc/dovecot/ssl/certificate.pem
ssl_cert_username_field = commonName
ssl_cipher_list = ALL:!LOW:!SSLv2:!EXP:!aNULL
ssl_client_ca_dir =
ssl_client_ca_file =
ssl_client_cert =
ssl_client_key =
ssl_crypto_device =
ssl_dh_parameters_length = 1024
ssl_key = </etc/dovecot/ssl/key.pem
ssl_key_password =
ssl_parameters_regenerate = 0
ssl_prefer_server_ciphers = no
ssl_protocols = !SSLv3 !SSLv2
ssl_require_crl = yes
ssl_verify_client_cert = no
state_dir = /var/lib/dovecot
stats_command_min_time = 1 mins
stats_domain_min_time = 12 hours
stats_ip_min_time = 12 hours
stats_memory_limit = 16 M
stats_session_min_time = 15 mins
stats_user_min_time = 1 hours
submission_host =
syslog_facility = local7
userdb {
args =
default_fields =
driver = passwd
name =
override_fields =
result_failure = continue
result_internalfail = continue
result_success = return-ok
skip = never
}
valid_chroot_dirs =
verbose_proctitle = yes
verbose_ssl = no
version_ignore = no
protocol pop3 {
pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
pop3_uidl_format = %g
}
-------------- next part --------------
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I hope you already found the issue on your own, but here are some pointers, just in case. On 11/12/2014 07:01 PM, Nico Rittner wrote:> imap-login: Fatal: master: service(imap-login): child 574 killed with signal 11 (core dumps disabled) > imap[5523]: segfault at 14 ip b7556276 sp bfc1c940 error 4 in libdovecot.so.0.0.0[b7529000+d4000] > > these are the relevant sections i added: > > service imap-login { > executable = imap post-login > }The service executing the post-login should be imap, not imap-login. Please see http://wiki2.dovecot.org/PostLoginScripting> service post-login { > executable = script-login /path/to/exec > } > > i also used /bin/true as /path/to/exec to exclude > the used exec itself as the reason. same result.Testing with /bin/true will not have the expected results. As its last action, the post-login script needs to call exec on its argv. In sh this would be done with 'exec "$@"'. Again, I refer you to the wiki for examples. br, Teemu Huovila