[Dovecot] dovecot 2.2 Panic: pool_data_stack_realloc(): stack frame changed

Thu, 04 Jul 2013 02:50:01 -0700 


Hi again,
we've been trying dovecot 2.2 in our setup and we see thousands of messages like these :
Jul 4 12:29:47 pop01 dovecot: lmtp(2899): Debug: auth input: rigak...@otenet.gr home=/var/mail/folders/U/9/5/rigakis2 quota_rule=*:storage=50M uid=531846 gid=100 mail=mbox:~/:INBOX=/var/mail/U/9/5 
/rigakis2:INDEX=/indexes/4/1/b/rigak...@otenet.gr
Jul 4 12:29:47 pop01 dovecot: lmtp(2899): Debug: Added userdb setting: mail=mbox:~/:INBOX=/var/mail/U/9/5/rigakis2:INDEX=/indexes/4/1/b/rigak...@otenet.gr Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: Effective uid=531846, gid=100, home=/var/mail/folders/U/9/5/rigakis2 Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: Quota root: name=User quota backend=dict args=:noenforcing:proxy::sqlquota Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: Quota rule: root=User quota mailbox=* bytes=52428800 messages=0 Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: Quota grace: root=User quota bytes=5242880 (10%) Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: dict quota: user=rigak...@otenet.gr, uri=proxy::sqlquota, noenforcing=1 Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: fs: root=/var/mail/folders/U/9/5/rigakis2, index=/indexes/4/1/b/rigak...@otenet.gr, indexpvt=, control=, inbox=/var/mail/U/9/5/ 
rigakis2, alt=
Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: sieve: Pigeonhole version 0.4.0 initializing Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: sieve: include: sieve_global_dir is not set; it is currently not possible to include `:global' scripts. Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: o6pTL5k/1VFTCwAAYg/qxw: sieve: using the following location for user's Sieve script: /var/mail/folders/U/9/5/rigakis2/.sieve;na 
me=main script
Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: o6pTL5k/1VFTCwAAYg/qxw: sieve: loading script /var/mail/folders/U/9/5/rigakis2/.sieve;name=main script Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: o6pTL5k/1VFTCwAAYg/qxw: sieve: script binary /var/mail/folders/U/9/5/rigakis2/.sieve.svbin successfully loaded Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: o6pTL5k/1VFTCwAAYg/qxw: sieve: binary save: not saving binary /var/mail/folders/U/9/5/rigakis2/.sieve.svbin, because it is alre 
ady stored
Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Debug: o6pTL5k/1VFTCwAAYg/qxw: sieve: executing script from /var/mail/folders/U/9/5/rigakis2/.sieve.svbin Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Panic: pool_data_stack_realloc(): stack frame changed Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Error: Raw backtrace: /opt/dovecot-2.2.4/lib/dovecot/libdovecot.so.0 [0x2b0066488bb0] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot.so. 0 [0x2b0066488c06] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot.so.0 [0x2b0066487dc3] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot.so.0 [0x2b006649c5d1] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot .so.0 [0x2b00664844ef] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot.so.0(buffer_write+0xf6) [0x2b0066484956] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot-sieve.so.0(rfc2822_header_append+0x35) [0x2 b0066b2c695] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot-sieve.so.0(rfc2822_header_printf+0xbd) [0x2b0066b2cbdd] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot-sieve.so.0 [0x2b0066b6141c] -> /opt/do vecot-2.2.4/lib/dovecot/libdovecot-sieve.so.0 [0x2b0066b5fd63] -> /opt/dovecot-2.2.4/lib/dovecot/libdovecot-sieve.so.0(sieve_result_execute+0x220) [0x2b0066b407b0] -> /opt/dovecot-2.2.4/lib/dovecot 
/libdovecot-sieve.so.0(sieve_execute+0x
Jul 4 12:29:47 pop01 dovecot: lmtp(2899, rigak...@otenet.gr): Fatal: master: service(lmtp): child 2899 killed with signal 6 (core not dumped)
I tried to get a core dump but I can't, apparently I'm doing something wrong. 

Any ideas ?

dovecot -n :
# 2.2.4: /opt/dovecot-2.2.4/etc/dovecot/dovecot.conf
# OS: Linux 2.6.18-348.6.1.el5 x86_64 CentOS release 5.9 (Final)
auth_cache_negative_ttl = 10 mins
auth_cache_size = 5 M
auth_cache_ttl = 10 mins
auth_verbose = yes
default_client_limit = 5000
default_process_limit = 500
deliver_log_format = msgid=%m: from=%f size=%p %$
dict {
  sqlquota = mysql:/opt/dovecot/etc/dovecot/dovecot-dict-sql.conf.ext
}
disable_plaintext_auth = no
first_valid_uid = 20
lda_mailbox_autocreate = yes
lda_mailbox_autosubscribe = yes
listen = *
log_timestamp = "%Y-%m-%d %H:%M:%S "
login_greeting = OTENET ready
login_trusted_networks = 83.235.66.0/24
mail_access_groups = mail otemail disk root
mail_fsync = always
mail_nfs_index = yes
mail_nfs_storage = yes
mail_plugins = quota
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 imapflags notify
mbox_lock_timeout = 3 secs
mbox_read_locks = dotlock fcntl
mmap_disable = yes
passdb {
  args = /opt/dovecot/etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
plugin {
mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename flag_change append 
  mail_log_fields = uid box msgid size
  quota = dict:User quota::noenforcing:proxy::sqlquota
  sieve = ~/.sieve
  sieve_dir = ~/sieve
  sieve_extensions = +notify +imapflags
}
postmaster_address = postmas...@otenet.gr
quota_full_tempfail = yes
service auth-worker {
  user = dovenull
}
service dict {
  unix_listener dict {
    group = otemail
    mode = 0666
  }
}
service imap-login {
  inet_listener imap {
    port = 143
  }
  inet_listener imaps {
    port = 993
    ssl = yes
  }
}
service lmtp {
  client_limit = 1
  inet_listener lmtp {
    port = 24
  }
}
service pop3-login {
  inet_listener pop3 {
    port = 110
  }
  inet_listener pop3s {
    port = 995
    ssl = yes
  }
}
service quota-warning {
  executable = script /opt/dovecot/etc/dovecot/quota-warning.sh
  user = dovecot
}
ssl = no
userdb {
  args = /opt/dovecot/etc/dovecot/dovecot-ldap.conf.ext
  driver = ldap
}
verbose_proctitle = yes
protocol lmtp {
  mail_plugins = quota sieve
}
protocol lda {
  mail_plugins = quota sieve
}
protocol imap {
  imap_client_workarounds = delay-newmail tb-extra-mailbox-sep
  mail_max_userip_connections = 100
  mail_plugins = quota imap_quota notify
}
protocol pop3 {
  mail_max_userip_connections = 100
  mail_plugins = quota notify
  pop3_client_workarounds = outlook-no-nuls oe-ns-eoh
  pop3_fast_size_lookups = yes
  pop3_lock_session = yes
  pop3_reuse_xuidl = yes
  pop3_uidl_format = %08Xu%08Xv
}

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