Crash in 2.2.27 while moving a mail
Sven Strickroth
sven at cs-ware.de
Sun Jan 29 10:29:23 UTC 2017
Hi,
I just noticed a crash in Dovecot (2.2.27) on Debian with
the Debian version 1:2.2.27-2~bpo8+1:
Jan 28 07:50:42 srv1 dovecot: imap(yyy at xxx.de): Panic: file mail-storage.c: line 2170 (mailbox_save_context_reset): assertion failed: (ctx->copying_via_save)
Jan 28 07:50:42 srv1 dovecot: imap(yyy at xxx.de): Error: Raw backtrace: /usr/lib/dovecot/libdovecot.so.0(+0x97d8e) [0x7f3e7fab8d8e] -> /usr/lib/dovecot/libdovecot.so.0(+0x97e7c) [0x7f3e7fab8e7c] -> /usr/lib/dovecot/libdovecot.so.0(i_fatal+0) [0x7f3e7fa4f52e] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x421b8) [0x7f3e7fd881b8] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_save_cancel+0x76) [0x7f3e7fd8b4b6] -> /usr/lib/dovecot/modules/lib01_acl_plugin.so(+0xe1b2) [0x7f3e7f2691b2] -> /usr/lib/dovecot/libdovecot-storage.so.0(+0x45913) [0x7f3e7fd8b913] -> /usr/lib/dovecot/libdovecot-storage.so.0(mailbox_move+0x29) [0x7f3e7fd8bb29] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](+0xf955) [0x562ff2225955] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](command_exec+0xa6) [0x562ff2232296] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](+0x1a602) [0x562ff2230602] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](+0x1a690) [0x562ff2230690] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](client_handle_input+0x195) [0x562ff2230a55] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](client_input+0x85) [0x562ff2230f65] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_call_io+0x52) [0x7f3e7facd8f2] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run_internal+0x10a) [0x7f3e7facef4a] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_handler_run+0x3c) [0x7f3e7facd98c] -> /usr/lib/dovecot/libdovecot.so.0(io_loop_run+0x38) [0x7f3e7facdb38] -> /usr/lib/dovecot/libdovecot.so.0(master_service_run+0x13) [0x7f3e7fa55a03] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](main+0x322) [0x562ff2223c32] -> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xf5) [0x7f3e7f697b45] -> dovecot/imap [yyy at xxx.de 8x.1xx.1x.xx8 UID MOVE](+0xddaf) [0x562ff2223daf]
Jan 28 07:50:42 srv1 dovecot: imap(yyy at xxx.de): Fatal: master: service(imap): child 5772 killed with signal 6 (core dumps disabled)
I'm using mdbox and I assume the user wanted to move a mail
from the personal mailstore to a shared mailbox (shared by another user).
doveconf -n:
# 2.2.27 (c0f36b0): /etc/dovecot/dovecot.conf
# Pigeonhole version 0.4.16 (fed8554)
# OS: Linux 4.8.0-0.bpo.2-amd64 x86_64 Debian 8.7
auth_mechanisms = plain login
auth_verbose = yes
default_client_limit = 2100
default_process_limit = 350
default_vsz_limit = 512 M
dict {
acldict = mysql:/etc/dovecot/dovecot-dict-user_shares.conf
quotadict = mysql:/etc/dovecot/dovecot-dict-quota.conf
}
first_valid_uid = 999
imap_client_workarounds = delay-newmail
last_valid_uid = 999
lmtp_save_to_detail_mailbox = yes
log_timestamp = "%Y-%m-%d %H:%M:%S "
mail_gid = 8
mail_location = mdbox:~/mdbox
mail_plugins = quota zlib acl
mail_privileged_group = mail
mail_shared_explicit_inbox = yes
mail_uid = 999
managesieve_notify_capability = mailto
managesieve_sieve_capability = fileinto envelope encoded-character subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date index ihave duplicate mime foreverypart extracttext imapflags
namespace {
list = children
location = mdbox:%%h/mdbox
prefix = shared/%%u/
separator = /
subscriptions = no
type = shared
}
namespace inbox {
inbox = yes
list = yes
location =
mailbox Archiv {
special_use = \Archive
}
mailbox Archive {
special_use = \Archive
}
mailbox Archives {
special_use = \Archive
}
mailbox Deleted {
special_use = \Trash
}
mailbox "Deleted Items" {
special_use = \Trash
}
mailbox "Deleted Messages" {
special_use = \Trash
}
mailbox Drafts {
special_use = \Drafts
}
mailbox Entw&APw-rfe {
special_use = \Drafts
}
mailbox Entwurf {
special_use = \Drafts
}
mailbox Gel&APY-scht {
special_use = \Trash
}
mailbox "Gel&APY-schte Elemente" {
special_use = \Trash
}
mailbox "Gel&APY-schte Objekte" {
special_use = \Trash
}
mailbox Gesendet {
special_use = \Sent
}
mailbox "Gesendete Elemente" {
special_use = \Sent
}
mailbox "Gesendete Objekte" {
special_use = \Sent
}
mailbox Junk {
special_use = \Junk
}
mailbox Papierkorb {
special_use = \Trash
}
mailbox SPAM {
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
}
prefix =
separator = /
subscriptions = yes
type = private
}
passdb {
args = /etc/dovecot/sql.conf
driver = sql
}
plugin {
acl = vfile
acl_anyone = allow
acl_shared_dict = proxy::acldict
quota = dict:user::proxy::quotadict
quota_exceeded_message = </etc/dovecot/overquota.txt
quota_grace = 0
quota_rule2 = Trash:bytes=+100M
quota_warning = storage=95%% quota-warning 95 %u
quota_warning2 = storage=80%% quota-warning 80 %u
recipient_delimiter = +
sieve = file:~/sieve;active=~/.dovecot.sieve
sieve_extensions = -vacation +imapflags -reject
zlib_save = gz
}
pop3_client_workarounds = outlook-no-nuls
postmaster_address = postmaster at xxx.de
protocols = " imap lmtp sieve pop3"
service auth {
unix_listener /var/spool/postfix/private/auth {
group = mail
mode = 0660
user = postfix
}
unix_listener auth-userdb {
group = mail
mode = 0660
user = vmail
}
}
service dict {
unix_listener dict {
group = mail
mode = 0660
user = vmail
}
}
service imap-login {
inet_listener imap {
address = 127.0.0.1
}
}
service pop3-login {
inet_listener pop3 {
port = 0
}
}
service quota-warning {
executable = script /usr/local/bin/quota-warning.sh
unix_listener quota-warning {
user = vmail
}
user = vmail
}
ssl_cert = </etc/ssl/certs/srv1.xxx.de.pem
ssl_dh_parameters_length = 2048
ssl_key = # hidden, use -P to show it
ssl_options = no_compression
ssl_protocols = !SSLv2 !SSLv3
ssl_require_crl = no
userdb {
driver = prefetch
}
userdb {
args = /etc/dovecot/sql.conf
driver = sql
}
verbose_proctitle = yes
protocol lmtp {
mail_plugins = quota zlib acl sieve
}
protocol imap {
mail_max_userip_connections = 25
mail_plugins = quota zlib acl imap_quota imap_acl imap_zlib
}
Please let me know if you need more information.
--
Best regards,
Sven Strickroth
PGP key id F5A9D4C4 @ any key-server
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