[Pidgin] #1860: Crash in bonjour when user signs on
Pidgin
trac at pidgin.im
Thu Jun 21 01:28:05 EDT 2007
#1860: Crash in bonjour when user signs on
----------------------------+-----------------------------------------------
Reporter: astronouth7303 | Type: defect
Status: new | Priority: minor
Component: libpurple | Version: 2.0.2
Keywords: | Pending: 0
----------------------------+-----------------------------------------------
On Ubuntu 7.04, using Avahi and the howl compat libraries, and pidgin
2.0.2 compiled from source.
When another uses signs on using bonjour, pidgin segfaults with wild
pointer.
Stack trace:
{{{
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1223534368 (LWP 11866)]
0xb7663e90 in purple_account_get_protocol_id (account=0x62616a2d)
at account.c:1726
1726 if (!strcmp(account->protocol_id, "prpl-oscar")) {
#0 0xb7663e90 in purple_account_get_protocol_id (account=0x62616a2d)
at account.c:1726
__PRETTY_FUNCTION__ = "purple_account_get_protocol_id"
#1 0xb6fae5fa in get_stats_for (buddy=<value optimized out>) at cap.c:37
buddy_name = <value optimized out>
stats = (CapStatistics *) 0x8a02800
__PRETTY_FUNCTION__ = "get_stats_for"
#2 0xb6faeb01 in buddy_signed_on (buddy=0x895e468) at cap.c:411
stats = <value optimized out>
#3 0xb769f3c8 in purple_marshal_VOID__POINTER (
cb=0xb6faeaf0 <buddy_signed_on>, args=0xbf86c218 "hä\225\bO>å¶",
data=0x0,
return_val=0x0) at signals.c:628
No locals.
#4 0xb769fdc7 in purple_signal_emit_vargs (instance=0xb76f4c68,
signal=0xb76db0c3 "buddy-signed-on", args=0xbf86c218 "hä\225\bO>å¶")
at signals.c:481
handler_data = (PurpleSignalHandlerData *) 0x890cec0
l = <value optimized out>
l_next = (GList *) 0x839c860
tmp = 0xbf86c218 "hä\225\bO>å¶"
__PRETTY_FUNCTION__ = "purple_signal_emit_vargs"
#5 0xb769fefc in purple_signal_emit (instance=0xb, signal=0x890cec0 "")
at signals.c:433
args = 0xbf86c218 "hä\225\bO>å¶"
__PRETTY_FUNCTION__ = "purple_signal_emit"
#6 0xb766afdb in purple_blist_update_buddy_status (buddy=0x895e468,
old_status=0x86cdd98) at blist.c:775
ops = (PurpleBlistUiOps *) 0x80f2e60
presence = <value optimized out>
status = (PurpleStatus *) 0x88c3ee0
__PRETTY_FUNCTION__ = "purple_blist_update_buddy_status"
#7 0xb7697e0b in purple_prpl_got_user_status (account=0x81691b8,
name=0x88c7be0 "proeg at a645064", status_id=0xb6e53e8f "available")
at prpl.c:161
list = (GSList *) 0x884b140
l = (GSList *) 0x884b140
buddy = (PurpleBuddy *) 0x895e468
presence = <value optimized out>
status = (PurpleStatus *) 0x88c3ee0
old_status = (PurpleStatus *) 0x86cdd98
args = 0xbf86c28c ""
__PRETTY_FUNCTION__ = "purple_prpl_got_user_status"
#8 0xb6e51ab1 in bonjour_buddy_add_to_purple (account=0x81691b8,
bonjour_buddy=0x8717fb8) at buddy.c:135
buddy = (PurpleBuddy *) 0x895e468
group = (PurpleGroup *) 0x8275d48
status_id = 0xb6e53e8f "available"
first = <value optimized out>
last = <value optimized out>
alias = 0x89584c8 "proegssilb"
#9 0xb6e5294b in _resolve_reply (discovery=0x884b7c8, oid=3,
interface_index=2, name=0x82c7834 "proeg at a645064",
type=0x82c7848 "_presence._tcp", domain=0x82c785c "local", address=
{m_addr = 67283136}, port=5298,
text_record=0x8760440
"'org.freedesktop.Avahi.cookie=2748455096\003vc=\fstatus=avail\005phsh=\016port.p2pj=5298\005last=\0161st=proegssilb\tversion=1\ttxtvers=1",
text_record_len=3068477978, extra=0x81691b8) at dns_sd.c:132
buddy = (BonjourBuddy *) 0x8717fb8
txtvers = (gchar *) 0x895a288 "1"
version = (gchar *) 0x8760178 "1"
first = (gchar *) 0x82c79f0 "proegssilb"
phsh = (gchar *) 0x890fd80 ""
status = (gchar *) 0x886d5f8 "avail"
email = (gchar *) 0x0
last = (gchar *) 0x8828100 ""
jid = (gchar *) 0x0
AIM = (gchar *) 0x0
vc = (gchar *) 0x89f3278 ""
msg = (gchar *) 0x0
iterator = (sw_text_record_iterator) 0x88c6448
key = "txtvers", '\0' <repeats 247 times>
value = "1", '\0' <repeats 253 times>
value_length = 1
#10 0xb6e34e3c in ?? () from /usr/lib/libhowl.so.0
No symbol table info available.
#11 0x0884b7c8 in ?? ()
No symbol table info available.
#12 0x00000003 in ?? ()
No symbol table info available.
#13 0x00000002 in ?? ()
No symbol table info available.
#14 0x082c7834 in ?? ()
No symbol table info available.
#15 0x082c7848 in ?? ()
No symbol table info available.
#16 0x082c785c in ?? ()
No symbol table info available.
#17 0x0402a8c0 in ?? ()
No symbol table info available.
#18 0x000014b2 in ?? ()
No symbol table info available.
#19 0x08760440 in ?? ()
No symbol table info available.
#20 0x00000077 in ?? ()
No symbol table info available.
#21 0x081691b8 in ?? ()
No symbol table info available.
#22 0x00000016 in ?? ()
No symbol table info available.
#23 0x088c39e8 in ?? ()
No symbol table info available.
#24 0x14b20016 in ?? ()
No symbol table info available.
#25 0x082c785c in ?? ()
No symbol table info available.
#26 0x082c7848 in ?? ()
No symbol table info available.
#27 0x082c7834 in ?? ()
No symbol table info available.
#28 0xb6e523e0 in ?? () at dns_sd.c:318
from /usr/local/lib/purple-2/libbonjour.so
No locals.
#29 0x08760440 in ?? ()
No symbol table info available.
#30 0x0402a8c0 in ?? ()
No symbol table info available.
#31 0x36610174 in ?? ()
No symbol table info available.
#32 0x36303534 in ?? ()
No symbol table info available.
#33 0x6f6c2e34 in ?? ()
No symbol table info available.
#34 0x2e6c6163 in ?? ()
No symbol table info available.
#35 0x08109800 in ?? ()
No symbol table info available.
#36 0x0890fd80 in ?? ()
No symbol table info available.
#37 0x00000008 in ?? ()
No symbol table info available.
#38 0xb790459c in ?? () from /usr/lib/libcairo.so.2
No symbol table info available.
#39 0x04a020e8 in ?? ()
No symbol table info available.
#40 0x08207cf0 in ?? ()
No symbol table info available.
#41 0x08207cf0 in ?? ()
No symbol table info available.
#42 0x00000000 in ?? ()
No symbol table info available.
}}}
The "account" variable in frame #0 is the wild pointer. ie,
"account->protocol_id" caused the segfault.
--
Ticket URL: <http://developer.pidgin.im/ticket/1860>
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