Dovecot 2.2.15 imap crash/panic (with core dumped)
Alessio Cecchi
alessio at skye.it
Wed Nov 12 13:32:56 UTC 2014
Hi,
after upgrade to Dovecot >= 2.2.14rc1 sometimes I found this error/crash
in the log (never happened with 2.2.13),
I'm the only one? Can be fix?
Nov 11 17:44:26 imap(info at myemail.com): Error: Corrupted transaction log
file /home/domains/myemail.com/info/Maildir/dovecot.index.log seq 190:
Invalid transaction log size (32756 vs 32772):
/home/domains/myemail.com/info/Maildir/dovecot.index.log (sync_offset=32756)
Nov 11 17:44:26 imap(info at myemail.com): Error: Log synchronization error
at seq=0,offset=0 for
/home/domains/myemail.com/info/Maildir/dovecot.index: Append with UID
10777, but next_uid = 10778
Nov 11 17:44:26 imap(info at myemail.com): Error:
/home/domains/myemail.com/info/Maildir/dovecot.index view syncing failed
to apply changes
Nov 11 17:44:26 imap(info at myemail.com): Panic: file index-sync.c: line
265 (index_mailbox_sync_next_expunge): assertion failed: (range->seq2 <=
ctx->messages_count)
Nov 11 17:44:26 imap(info at myemail.com): Error: Raw backtrace:
/usr/lib/dovecot/libdovecot.so.0(+0x75e1a) [0x7fbbd213ae1a] ->
/usr/lib/dovecot/libdovecot.so.0(+0x75e96) [0x7fbbd213ae96] ->
/usr/lib/dovecot/libdovecot.so.0(i_error+0) [0x7fbbd20ec2bf] ->
/usr/lib/dovecot/libdovecot-storage.so.0(+0xb219c) [0x7fbbd245719c] ->
dovecot/imap(imap_sync_more+0xc3) [0x41fd13] -> dovecot/imap()
[0x420437] -> dovecot/imap(cmd_sync_delayed+0x209) [0x4208f9] ->
dovecot/imap(client_handle_input+0x1ed) [0x4178dd] ->
dovecot/imap(client_input+0x6f) [0x417b9f] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x5b) [0x7fbbd214c0db]
-> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0xaf)
[0x7fbbd214d27f] ->
/usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x9)
[0x7fbbd214c169] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38)
[0x7fbbd214c1f8] ->
/usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13)
[0x7fbbd20f1193] -> dovecot/imap(main+0x2b0) [0x4210d0] ->
/lib/libc.so.6(__libc_start_main+0xfd) [0x7fbbd1d81cad] ->
dovecot/imap() [0x40bea9]
Nov 11 17:44:26 imap(info at myemail.com): Fatal: master: service(imap):
child 13586 killed with signal 6 (core dumped)
# gdb /usr/libexec/dovecot/imap /home/domains/myemail.com/info/core
Reading symbols from /usr/libexec/dovecot/imap...done.
warning: Can't read pathname for load map: Input/output error.
Reading symbols from /usr/lib/dovecot/libdovecot-storage.so.0...done.
Loaded symbols for /usr/lib/dovecot/libdovecot-storage.so.0
Reading symbols from /usr/lib/dovecot/libdovecot.so.0...done.
Loaded symbols for /usr/lib/dovecot/libdovecot.so.0
Reading symbols from /lib/libc.so.6...(no debugging symbols found)...done.
Loaded symbols for /lib/libc.so.6
Reading symbols from /lib/librt.so.1...(no debugging symbols found)...done.
Loaded symbols for /lib/librt.so.1
Reading symbols from /lib/libdl.so.2...(no debugging symbols found)...done.
Loaded symbols for /lib/libdl.so.2
Reading symbols from /lib64/ld-linux-x86-64.so.2...(no debugging symbols
found)...done.
Loaded symbols for /lib64/ld-linux-x86-64.so.2
Reading symbols from /lib/libpthread.so.0...(no debugging symbols
found)...done.
Loaded symbols for /lib/libpthread.so.0
Reading symbols from /usr/lib/dovecot/lib01_acl_plugin.so...done.
Loaded symbols for /usr/lib/dovecot/lib01_acl_plugin.so
Reading symbols from /usr/lib/dovecot/lib02_imap_acl_plugin.so...done.
Loaded symbols for /usr/lib/dovecot/lib02_imap_acl_plugin.so
Reading symbols from /usr/lib/dovecot/lib10_quota_plugin.so...done.
Loaded symbols for /usr/lib/dovecot/lib10_quota_plugin.so
Reading symbols from /usr/lib/dovecot/lib11_imap_quota_plugin.so...done.
Loaded symbols for /usr/lib/dovecot/lib11_imap_quota_plugin.so
Reading symbols from /usr/lib/dovecot/lib20_expire_plugin.so...done.
Loaded symbols for /usr/lib/dovecot/lib20_expire_plugin.so
Reading symbols from /lib/libgcc_s.so.1...(no debugging symbols
found)...done.
Loaded symbols for /lib/libgcc_s.so.1
Core was generated by `dovecot/imap'.
Program terminated with signal 6, Aborted.
#0 0x00007fbbd1d94ed5 in raise () from /lib/libc.so.6
(gdb) bt full
#0 0x00007fbbd1d94ed5 in raise () from /lib/libc.so.6
No symbol table info available.
#1 0x00007fbbd1d97ce0 in abort () from /lib/libc.so.6
No symbol table info available.
#2 0x00007fbbd213ae10 in default_fatal_finish (type=<value optimized
out>, status=0) at failures.c:202
backtrace = 0x13a71d8
"/usr/lib/dovecot/libdovecot.so.0(+0x75e1a) [0x7fbbd213ae1a] ->
/usr/lib/dovecot/libdovecot.so.0(+0x75e96) [0x7fbbd213ae96] ->
/usr/lib/dovecot/libdovecot.so.0(i_error+0) [0x7fbbd20ec2bf] ->
/usr/lib/d"...
#3 0x00007fbbd213ae96 in i_internal_fatal_handler (ctx=0x7fff8637e780,
format=<value optimized out>, args=<value optimized out>) at failures.c:666
status = 0
#4 0x00007fbbd20ec2bf in i_panic (format=0x3512 <Address 0x3512 out of
bounds>) at failures.c:276
ctx = {type = LOG_TYPE_PANIC, exit_status = 0, timestamp = 0x0,
timestamp_usecs = 0}
args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area =
0x7fff8637e860, reg_save_area = 0x7fff8637e7a0}}
#5 0x00007fbbd245719c in index_mailbox_sync_next_expunge
(ctx=0x142b410, sync_rec_r=<value optimized out>) at index-sync.c:265
range = 0x13cdfd0
__FUNCTION__ = "index_mailbox_sync_next_expunge"
#6 0x000000000041fd13 in imap_sync_more (ctx=0x13c3d80) at imap-sync.c:536
str = 0x13a7050
ret = <value optimized out>
__FUNCTION__ = "imap_sync_more"
#7 0x0000000000420437 in cmd_sync_continue (sync_cmd=0x1431700) at
imap-sync.c:658
cmd = <value optimized out>
prev = <value optimized out>
client = 0x1430b00
ctx = 0x13c3d80
ret = <value optimized out>
__FUNCTION__ = "cmd_sync_continue"
#8 0x00000000004208f9 in cmd_sync_client (client=<value optimized out>)
at imap-sync.c:748
ctx = 0x0
flags = <value optimized out>
client = 0x1430b00
imap_flags = <value optimized out>
no_newmail = <value optimized out>
#9 cmd_sync_delayed_real (client=<value optimized out>) at imap-sync.c:878
cmd = <value optimized out>
#10 cmd_sync_delayed (client=<value optimized out>) at imap-sync.c:886
_data_stack_cur_id = 3
ret = <value optimized out>
#11 0x00000000004178dd in client_handle_input (client=0x1430b00) at
imap-client.c:908
ret = true
remove_io = false
handled_commands = true
__FUNCTION__ = "client_handle_input"
#12 0x0000000000417b9f in client_input (client=0x1430b00) at
imap-client.c:935
cmd = <value optimized out>
output = 0x1431540
bytes = <value optimized out>
__FUNCTION__ = "client_input"
#13 0x00007fbbd214c0db in io_loop_call_io (io=0x1431610) at ioloop.c:498
ioloop = 0x13af730
t_id = 2
__FUNCTION__ = "io_loop_call_io"
---Type <return> to continue, or q <return> to quit---
#14 0x00007fbbd214d27f in io_loop_handler_run_internal (ioloop=<value
optimized out>) at ioloop-epoll.c:220
ctx = 0x13b03c0
event = 0x13b1230
list = 0x13d3630
io = 0x3512
tv = {tv_sec = 1799, tv_usec = 999656}
msecs = <value optimized out>
ret = <value optimized out>
i = 0
call = false
__FUNCTION__ = "io_loop_handler_run_internal"
#15 0x00007fbbd214c169 in io_loop_handler_run (ioloop=0x3512) at
ioloop.c:545
No locals.
#16 0x00007fbbd214c1f8 in io_loop_run (ioloop=0x13af730) at ioloop.c:522
__FUNCTION__ = "io_loop_run"
#17 0x00007fbbd20f1193 in master_service_run (service=0x13af5c0,
callback=0x3512) at master-service.c:566
No locals.
#18 0x00000000004210d0 in main (argc=1, argv=0x13af390) at main.c:412
set_roots = {0x429200, 0x0}
login_set = {auth_socket_path = 0x13a7050 "\210p:\001",
postlogin_socket_path = 0x0, postlogin_timeout_secs = 60,
callback = 0x4212d0 <login_client_connected>,
failure_callback = 0x421270 <login_client_failed>, request_auth_token = 1}
service_flags = <value optimized out>
storage_service_flags = MAIL_STORAGE_SERVICE_FLAG_DISALLOW_ROOT
username = 0x0
c = <value optimized out>
(gdb)
# 2.2.15: /etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.6 (3e924b1b6c5c+)
# OS: Linux 2.6.32-5-amd64 x86_64 Debian 6.0.10
auth_cache_negative_ttl = 10 mins
auth_cache_size = 8 M
auth_cache_ttl = 20 mins
auth_worker_max_count = 50
deliver_log_format = msgid=%m, from=%f, subject="%s": %$
dict {
acl = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
expire = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
sqlquota = mysql:/etc/dovecot/dovecot-dict-sql.conf.ext
}
disable_plaintext_auth = no
dotlock_use_excl = no
first_valid_gid = 89
first_valid_uid = 89
imap_client_workarounds = delay-newmail tb-extra-mailbox-sep tb-lsub-flags
imap_idle_notify_interval = 29 mins
imap_logout_format = in=%i out=%o session=<%{session}>
last_valid_gid = 89
last_valid_uid = 89
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
listen = *
mail_fsync = always
mail_location = maildir:~/Maildir
mail_nfs_index = yes
mail_nfs_storage = yes
mail_plugins = quota acl expire
mailbox_list_index = yes
maildir_very_dirty_syncs = yes
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto reject envelope
encoded-character subaddress comparator-i;ascii-numeric relational regex
imap4flags copy include variables body enotify environment mailbox date
ihave duplicate vnd.dovecot.duplicate
mmap_disable = yes
namespace {
list = children
location = maildir:%%h/Maildir:INDEX=~/Maildir/shared/%%u
prefix = shared/%%n/
separator = /
subscriptions = no
type = shared
}
namespace inbox {
inbox = yes
location =
mailbox Drafts {
auto = subscribe
special_use = \Drafts
}
mailbox Sent {
auto = subscribe
special_use = \Sent
}
mailbox "Sent Messages" {
special_use = \Sent
}
mailbox Spam {
auto = subscribe
special_use = \Junk
}
mailbox Trash {
auto = subscribe
special_use = \Trash
}
prefix =
separator = /
}
passdb {
args = username_format=%Ld /etc/dovecot/denylogin.txt
deny = yes
driver = passwd-file
}
passdb {
args = cache_key=%s%u webmail=192.168.1.2
driver = vpopmail
}
plugin {
acl = vfile
acl_shared_dict = proxy::acl
expire = Trash
expire2 = Spam
expire_dict = proxy::expire
quota = maildir:UserQuota
quota2 = dict:Quota Usage::noenforcing:proxy::sqlquota
quota_grace = 10M
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_before = /etc/dovecot/sieve/before.sieve
sieve_dir = ~/sieve
sieve_extensions = +vnd.dovecot.duplicate -vacation
}
pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
pop3_fast_size_lookups = yes
pop3_logout_format = top=%t/%p, retr=%r/%b, del=%d/%m, size=%s,
bytes=%i/%o, session=<%{session}>
protocols = imap pop3 sieve
sendmail_path = /var/qmail/bin/sendmail
service auth {
client_limit = 6500
unix_listener auth-userdb {
group = vchkpw
mode = 0660
user = vpopmail
}
}
service dict {
process_limit = 500
unix_listener dict {
group = vchkpw
mode = 0660
user = vpopmail
}
}
service imap-login {
process_min_avail = 4
service_count = 0
}
service imap {
process_limit = 5000
service_count = 100
}
service managesieve-login {
inet_listener sieve {
port = 4190
}
}
service pop3-login {
service_count = 0
}
service pop3 {
process_limit = 1023
service_count = 100
}
service quota-warning {
executable = script /etc/dovecot/quota-warning.sh
unix_listener quota-warning {
user = vpopmail
}
user = vpopmail
}
ssl_cert = </etc/ssl/wildcard.pem
ssl_key = </etc/ssl/wildcard.key
ssl_protocols = !SSLv2 !SSLv3
submission_host = localhost
userdb {
args = quota_template=quota_rule=*:backend=%q
driver = vpopmail
}
protocol lda {
mail_location = maildir:~/Maildir:INDEX=MEMORY
mail_plugins = quota acl expire sieve
}
protocol imap {
mail_max_userip_connections = 15
mail_plugins = quota acl expire imap_quota imap_acl
}
protocol sieve {
mail_max_userip_connections = 2
}
protocol pop3 {
mail_max_userip_connections = 5
}
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