Another Crash in service imap with version 2.2.13 - Debian Wheezy

26 Jun 2014


      Hi,
yesterday I updated my second server from Debian Squeeze to Debian Wheezy.
Since todaay I get the followinig errors in my logs:
Error-Log:
...
Jun 26 09:08:28 mailstore dovecot: imap(user@domain.net pid:28898 session:<iuMX3Lf8fACXLrFC>): Fatal: master: service(imap): child 28898 killed with
signal 11 (core dumped)
...
Mail-log
...
Jun 26 09:08:28 mailstore dovecot: imap-login: ID sent: x-session-id=iuMX3Lf8fACXLrFC, x-originating-ip=CLIENT_IP, x-originating-port=52092,
x-connected-ip=PROXY_IP, x-connected-port=143, x-proxy-ttl=4: user=<>, rip=CLIENT_IP, lip=PROXY_IP, secured, session=<iuMX3Lf8fACXLrFC>
Jun 26 09:08:28 mailstore dovecot: imap-login: Login: user=user@domain.net, method=PLAIN, rip=CLIENT_IP, lip=PROXY_IP, mpid=28898, secured,
session=<iuMX3Lf8fACXLrFC>
Jun 26 09:08:28 mailstore dovecot: imap(user@domain.net pid:28898 session:<iuMX3Lf8fACXLrFC>): ID sent: name=iPhone Mail, version=11D201, os=iOS,
os-version=7.1.1 (11D201)
Jun 26 09:08:28 mailstore dovecot: imap(user@domain.net pid:28898 session:<iuMX3Lf8fACXLrFC>): Fatal: master: service(imap): child 28898 killed with
signal 11 (core dumped)
...
I made a backtrace:
-----> start backtrace <-----
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `dovecot/imap'.
Program terminated with signal 11, Segmentation fault.
#0  0x0000000000000000 in ?? ()
(gdb) bt full
#0  0x0000000000000000 in ?? ()
No symbol table info available.
#1  0x00007fbf26650c44 in mailbox_save_cancel (_ctx=<optimized out>) at mail-storage.c:2116
ctx = 0xa95500
keywords = 0x0
mail = <optimized out>
#2  0x00007fbf2665104f in mailbox_save_begin (ctx=ctx@entry=0x7fff64b53048, input=0xaaaea0) at mail-storage.c:2041
box = 0xa6f800
ret = <optimized out>
#3  0x00007fbf26648bb6 in mail_storage_try_copy (mail=0xa90d20, _ctx=0x7fff64b53048) at mail-copy.c:76
ctx = 0xa95500
pmail = 0xa90d20
input = 0xaaaea0
#4  mail_storage_copy (ctx=0x0, mail=0xa90d20) at mail-copy.c:101
No locals.
#5  0x00007fbf24f12679 in notify_copy (ctx=0xa95500, mail=0xa90d20) at notify-storage.c:107
lt = 0xa8bdd0
lbox = 0xa70870
ret = <optimized out>
#6  0x00007fbf2573d06b in acl_copy (ctx=0xa95500, mail=0xa90d20) at acl-mailbox.c:435
t = <optimized out>
abox = 0xa6fe48
#7  0x00007fbf26650e8d in mailbox_copy (_ctx=_ctx@entry=0x7fff64b53190, mail=0xa90d20) at mail-storage.c:2152
ctx = 0xa95500
t = 0xa8de20
keywords = 0x0
pvt_flags = 0
backend_mail = 0xa90d20
ret = <optimized out>
__FUNCTION__ = "mailbox_copy"
#8  0x000000000040dd34 in fetch_and_copy (copy_count_r=<synthetic pointer>, src_uidset_r=<synthetic pointer>, search_args=<optimized out>,
src_trans_r=0x7fff64b53168, t=0xa8de20, move=false, client=0xa00f40) at cmd-copy.c:70
search_ctx = 0xa90a80
src_trans = 0xa8f3f0
srcset_ctx = {str = 0x9d4318, first_uid = 0, last_uid = 4294967295}
ret = 1
save_ctx = 0x0
mail = 0xa90d20
copy_count = 1
src_uidset = 0x9d4318
#9  cmd_copy_full (cmd=0xa01a50, move=false) at cmd-copy.c:123
client = 0xa00f40
dest_storage = <optimized out>
destbox = 0xa6f800
t = 0xa8de20
src_trans = <optimized out>
search_args = 0xa6e7f0
messageset = 0xa04410 "1309,1310"
mailbox = 0xa04420 "[rolmail]/Unseen"
src_uidset = <optimized out>
sync_flags = 0
imap_flags = 0
changes = {pool = 0x7fff64b53290, uid_validity = 1689596352, saved_uids = {arr = {buffer = 0x9dd0f0, element_size = 10492496}, v = 0x9dd0f0,
v_modifiable = 0x9dd0f0}, ignored_modseq_changes = 10492496, changed = false,
no_read_perm = false}
copy_count = <optimized out>
msg = <optimized out>
ret = <optimized out>
__FUNCTION__ = "cmd_copy_full"
#10 0x000000000041841c in command_exec (cmd=cmd@entry=0xa01a50) at imap-commands.c:158
hook = 0x9dd100
ret = <optimized out>
#11 0x0000000000417480 in client_command_input (cmd=cmd@entry=0xa01a50) at imap-client.c:778
client = 0xa00f40
---Type <return> to continue, or q <return> to quit---
command = <optimized out>
__FUNCTION__ = "client_command_input"
#12 0x0000000000417514 in client_command_input (cmd=0xa01a50) at imap-client.c:839
client = 0xa00f40
command = <optimized out>
__FUNCTION__ = "client_command_input"
#13 0x00000000004177f5 in client_handle_next_command (remove_io_r=<synthetic pointer>, client=0xa00f40) at imap-client.c:877
No locals.
#14 client_handle_input (client=client@entry=0xa00f40) at imap-client.c:889
_data_stack_cur_id = 3
ret = 2
remove_io = false
handled_commands = false
__FUNCTION__ = "client_handle_input"
#15 0x0000000000417ba2 in client_input (client=0xa00f40) at imap-client.c:931
cmd = <optimized out>
output = 0xa062d0
bytes = 39
__FUNCTION__ = "client_input"
#16 0x00007fbf2637478e in io_loop_call_io (io=0x9ffb60) at ioloop.c:439
ioloop = 0x9dc740
t_id = <optimized out>
__FUNCTION__ = "io_loop_call_io"
#17 0x00007fbf263757b7 in io_loop_handler_run_internal (ioloop=<optimized out>) at ioloop-epoll.c:206
ctx = 0x9dd3d0
events = 0xa955f0
event = 0x9de240
list = 0x9dee30
io = 0xa955f0
tv = {tv_sec = 29, tv_usec = 742827}
events_count = <optimized out>
msecs = <optimized out>
ret = 1
i = <optimized out>
call = <optimized out>
__FUNCTION__ = "io_loop_handler_run_internal"
#18 0x00007fbf26374819 in io_loop_call_io (io=0x9dc740) at ioloop.c:443
ioloop = 0x7fff64b533f0
t_id = 0
__FUNCTION__ = "io_loop_call_io"
#19 0x00007fbf26321a23 in master_service_run (service=0x9dc740, callback=callback@entry=0x420d20 ) at master-service.c:566
No locals.
#20 0x000000000040c1e8 in main (argc=1, argv=0x9dc390) at main.c:410
set_roots = {0x428960, 0x0}
login_set = {auth_socket_path = 0x9d4048 "\001", postlogin_socket_path = 0x0, postlogin_timeout_secs = 60, callback = 0x420bb0
, failure_callback = 0x4208c0 , request_auth_token = 1}
service_flags = <optimized out>
storage_service_flags = <optimized out>
username = 0x9dc5d0 "@ǝ"
c = <optimized out>
-----> end backtrace <-----
Have you any idea how I can solve this?
Many thanks
Urban Loesch
doveconf -n:
# 2.2.13 (705fd8f3f485): /etc/dovecot/dovecot.conf
# OS: Linux 3.4.67-vs2.3.3.9-rol-em64t-efigpt x86_64 Debian 7.5 ext4
auth_cache_negative_ttl = 0
auth_cache_size = 40 M
auth_cache_ttl = 1 weeks
auth_mechanisms = plain login
deliver_log_format = msgid=%m: %$ %p %w
disable_plaintext_auth = no
info_log_path = syslog
login_trusted_networks = INTERNAL_IP
mail_gid = mailstore
mail_location = mdbox:/home/vmail/%d/%n
mail_log_prefix = "%s(%u pid:%p session:<%{session}>): "
mail_plugins = " quota mail_log notify acl zlib stats virtual"
mail_uid = mailstore
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags
copy include variables body enotify environment mailbox date ihave duplicate imapflags notify
mdbox_rotate_size = 10 M
namespace {
list = children
location = mdbox:/home/vmail/%%d/%%n
prefix = shared/%%u/
separator = /
subscriptions = no
type = shared
}
namespace {
hidden = no
inbox = no
list = children
location = virtual:/home/virtual:INDEX=~/virtual
prefix = [mymail]/
separator = /
subscriptions = yes
type = private
}
namespace inbox {
inbox = yes
location =
mailbox Drafts {
special_use = \Drafts
}
mailbox Junk {
special_use = \Junk
}
mailbox Sent {
special_use = \Sent
}
mailbox "Sent Items" {
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Trash {
special_use = \Trash
}
mailbox [mymail]/All {
auto = no
special_use = \All
}
prefix =
separator = /
type = private
}
passdb {
args = /etc/dovecot/dovecot-sql-account.conf
driver = sql
}
plugin {
acl = vfile
acl_shared_dict = file:/home/vmail/%d/shared-mailboxes
mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename flag_change save mailbox_create append
mail_log_fields = uid box msgid size from
mail_log_group_events = no
quota = dict:Storage used::file:%h/dovecot-quota
quota_rule2 = Trash:storage=+100M
quota_warning = storage=95%% quota-warning 95 %u
quota_warning2 = storage=80%% quota-warning 80 %u
sieve = ~/.dovecot.sieve
sieve_dir = ~/sieve
sieve_extensions = +notify +imapflags
sieve_max_redirects = 15
stats_command_min_time = 1 mins
stats_domain_min_time = 12 hours
stats_ip_min_time = 12 hours
stats_memory_limit = 16 M
stats_refresh = 30 secs
stats_session_min_time = 15 mins
stats_track_cmds = no
stats_user_min_time = 1 hours
zlib_save = gz
zlib_save_level = 9
}
protocols = imap pop3 lmtp sieve
service auth {
unix_listener auth-userdb {
group = mailstore
mode = 0660
user = root
}
}
service imap-login {
inet_listener imap {
port = 143
}
process_limit = 48
process_min_avail = 3
service_count = 1
}
service imap {
process_limit = 48
process_min_avail = 2
service_count = 1
}
service lmtp {
inet_listener lmtp {
port = 24
}
unix_listener /var/spool/postfix/private/dovecot-lmtp {
group = postfix
mode = 0666
user = postfix
}
}
service pop3-login {
inet_listener pop3 {
port = 110
}
process_limit = 16
process_min_avail = 2
service_count = 1
}
service pop3 {
process_limit = 16
process_min_avail = 2
service_count = 1
}
service quota-warning {
executable = script /usr/local/rol/dovecot/quota-warning.sh
unix_listener quota-warning {
user = mailstore
}
user = mailstore
}
service stats {
fifo_listener stats-mail {
mode = 0600
user = mailstore
}
}
ssl = no
ssl_cert = 
mail_max_userip_connections = 20
mail_plugins = " quota mail_log notify acl zlib stats virtual imap_quota imap_acl imap_zlib imap_stats"
}
protocol pop3 {
mail_plugins = " quota mail_log notify acl zlib stats virtual"
pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
pop3_lock_session = yes
pop3_logout_format = bytes_sent=%o top=%t/%p, retr=%r/%b, del=%d/%m, size=%s uidl_hash=%u session=<%{session}>
pop3_reuse_xuidl = yes
}