After 5 - 10 minutes, m-n-5.4 crashes with a segfault. I got the following backtrace from a build with "cflags=-g" and "cppflags=-g". The server m-n was checking at that time is dovecot-1.1.1 running on a server in my LAN. As this is the only backtrace so far, I don't know if the crash always happens with the same server. I use m-n to monitor two IMAP servers and my local system mailbox.
Anyway, here's the backtrace:
[zlatko@disclosure]:~/usrlocal/src/mail-notification-5.4$ gdb ./build/src/mail-notification
GNU gdb 6.6
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This GDB was configured as "i486-slackware-linux"...
Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) run
Starting program: /usr/local/src/mail-notification-5.4/build/src/mail-notification
[Thread debugging using libthread_db enabled]
[New Thread -1228920624 (LWP 28438)]
[New Thread -1232090224 (LWP 28441)]
[New Thread -1242563696 (LWP 28442)]
[New Thread -1250952304 (LWP 28443)]
[New Thread -1240478832 (LWP 28444)]
[Thread -1232090224 (LWP 28441) exited]
[Thread -1250952304 (LWP 28443) exited]
[New Thread -1250952304 (LWP 28455)]
[Thread -1250952304 (LWP 28455) exited]
(mail-notification:28438): GLib-GObject-CRITICAL **: g_object_class_find_property: assertion `G_IS_OBJECT_CLASS (class)' failed
(mail-notification:28438): GLib-GObject-CRITICAL **: g_param_spec_get_name: assertion `G_IS_PARAM_SPEC (pspec)' failed
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1242563696 (LWP 28442)]
0x08074333 in mn_g_object_clone (object=0xb5f12180, property_name=0x8097939 "flags") at src/mn-util.c:1179
1179 g_value_init(¶meter->value, G_PARAM_SPEC_VALUE_TYPE(pspec));
(gdb) bt full
#0 0x08074333 in mn_g_object_clone (object=0xb5f12180, property_name=0x8097939 "flags") at src/mn-util.c:1179
pspec = (GParamSpec *) 0x0
parameter = (GParameter *) 0xb5f0e9c0
error = 0x0
parameters = (GHashTable *) 0x8a87c50
args = 0xb5eff1d8 ""
properties = (GParamSpec **) 0x8a88fb8
n_properties = 3075511376
i = -1219456018
parameters_array = (GArray *) 0xb5eff1b0
new_object = (GObject *) 0xb5f25558
#1 0x0807dd8c in mn_imap_mailbox_handle_fetch_uid_cb (session=0xb5eff254, response=0xb5f24bf8, priv=0xb5eff2c8)
at src/mn-imap-mailbox.gob:911
message = (MNMessage *) 0xb5f12180
n = 39
info = (MessageInfo *) 0xb5f0ea60
uid = 0xb5f0f288 "916"
#2 0x08082286 in handle_input (session=0xb5eff254, input=0xb5f21c10 "* 39 FETCH (UID 916)") at src/mn-client-session.c:320
result = -1
response = (MNClientSessionResponse *) 0xb5f24bf8
cont = 1
#3 0x0808245c in mn_client_session_run (states=0x8097b20, callbacks=0x8097b00, use_ssl=0, server=0x8a88ee0 "my.imap.server",
port=143, private=0xb5eff2c8, err=0xb5eff324) at src/mn-client-session.c:440
session = {states = 0x8097b20, callbacks = 0x8097b00, server = 0x8a88ee0 "my.imap.server", port = 143, s = 19,
state = 0x8097b80, error = 0x0, private = 0xb5eff2c8, input_buffer = 0xb5f03748, bytes_to_remove = 22, ssl = 0xb5f0dd58,
sasl_conn = 0xb5f10450, sasl_ssf = 0, sasl_maxoutbuf = 0}
addrinfo = (struct addrinfo *) 0xb5f01648
line = 0xb5f21c10 "* 39 FETCH (UID 916)"
#4 0x0807e7c0 in ___21_mn_imap_mailbox_authenticated_check (mailbox=0x8a89098) at src/mn-imap-mailbox.gob:1284
self = (Self *) 0x8a89098
priv = {mailbox = 0x8a89098, auth_mailbox = 0x8a89098, pi_mailbox = 0x8a89098, session = 0xb5eff254, self = 0x8a89098,
server_software = 0x0, server_software_supports_idle = 1, numeric_tag = 78, tag = "a077", capabilities = 0xb5f0e378,
auth_mechanisms = 0x0, authenticated = 1, uidvalidity = 0xb5f03188 "1215789868", num_errors = 0, messages = 0x8a87d18,
starttls_completed = 1, sasl_remaining_mechanisms = 0x0, sasl_mechanism = 0xb60a72a8 "CRAM-MD5", idle_state = IDLE_STATE_POST_IDLE,
idle_inactivity_timeout_id = 0, idle_inactivity = 0, could_idle = 1}
status = 0
err = (GError *) 0x0
states = {{id = 1, enter_cb = 0, handle_cb = 0x807cc25 <mn_imap_mailbox_handle_greeting_cb>}, {id = 2,
enter_cb = 0x807cd83 <mn_imap_mailbox_enter_capability_cb>, handle_cb = 0x807cd9e <mn_imap_mailbox_handle_capability_cb>}, {id = 3,
enter_cb = 0x807cee7 <mn_imap_mailbox_enter_starttls_cb>, handle_cb = 0x807cf02 <mn_imap_mailbox_handle_starttls_cb>}, {id = 4,
enter_cb = 0x807cffa <mn_imap_mailbox_enter_authenticate_cb>, handle_cb = 0x807d098 <mn_imap_mailbox_handle_authenticate_cb>}, {
id = 5, enter_cb = 0x807d1ff <mn_imap_mailbox_enter_login_cb>, handle_cb = 0x807d2f9 <mn_imap_mailbox_handle_login_cb>}, {id = 6,
enter_cb = 0x807d404 <mn_imap_mailbox_enter_examine_cb>, handle_cb = 0x807d470 <mn_imap_mailbox_handle_examine_cb>}, {id = 7,
enter_cb = 0x807d613 <mn_imap_mailbox_enter_search_unseen_cb>, handle_cb = 0x807d678 <mn_imap_mailbox_handle_search_unseen_cb>}, {
id = 8, enter_cb = 0x807d856 <mn_imap_mailbox_enter_search_recent_cb>,
handle_cb = 0x807d871 <mn_imap_mailbox_handle_search_recent_cb>}, {id = 9, enter_cb = 0x807da53 <mn_imap_mailbox_enter_fetch_uid_cb>,
handle_cb = 0x807dbe1 <mn_imap_mailbox_handle_fetch_uid_cb>}, {id = 10, enter_cb = 0x807ddc8 <mn_imap_mailbox_enter_fetch_cb>,
handle_cb = 0x807de99 <mn_imap_mailbox_handle_fetch_cb>}, {id = 11, enter_cb = 0x807e196 <mn_imap_mailbox_enter_idle_cb>,
handle_cb = 0x807e2dd <mn_imap_mailbox_handle_idle_cb>}, {id = 12, enter_cb = 0x807e619 <mn_imap_mailbox_enter_logout_cb>,
handle_cb = 0x807e634 <mn_imap_mailbox_handle_logout_cb>}, {id = 0, enter_cb = 0, handle_cb = 0}}
callbacks = {notice = 0x80811c1 <mn_pi_mailbox_notice_cb>, warning = 0x80811e2 <mn_pi_mailbox_warning_cb>,
response_new = 0x807e901 <mn_imap_mailbox_response_new_cb>, response_free = 0x807eb1d <mn_imap_mailbox_response_free_cb>,
pre_read = 0x807ebe4 <mn_imap_mailbox_pre_read_cb>, post_read = 0x807ec4b <mn_imap_mailbox_post_read_cb>,
---Type <return> to continue, or q <return> to quit---
sasl_get_credentials = 0x8080e6a <mn_pi_mailbox_sasl_get_credentials_cb>,
ssl_trust_server = 0x8080ed4 <mn_pi_mailbox_ssl_trust_server_cb>}
#5 0x080848bb in mn_authenticated_mailbox_authenticated_check (self=0x8a89098) at mn-authenticated-mailbox.c:644
klass = (MNAuthenticatedMailboxClass *) 0x8a88300
#6 0x08084850 in mn_authenticated_mailbox_check_thread_cb (self=0x8a89098) at src/mn-authenticated-mailbox.gob:227
No locals.
#7 0xb753daab in g_thread_create_proxy () from /usr/local/lib/libglib-2.0.so.0
No symbol table info available.
#8 0xb72ad1b3 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#9 0xb723603e in clone () from /lib/libc.so.6
No symbol table info available.
(gdb) kill
Kill the program being debugged? (y or n) y
(gdb) quit
[zlatko@disclosure]:~/usrlocal/src/mail-notification-5.4$
I'll try to get another backtrace to find out if the crash always happens with the same server.
It looks like an invalid object is passed to mn_g_object_