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Fix memory leak of presence object

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The memory leak happens when a presence is received for a MUC room. The
JID is not present in the roster, so updating its status is ignored. We
have to free resource in this case, because it has no owner and is lost
otherwise.

==25736== 47 (32 direct, 15 indirect) bytes in 1 blocks are definitely lost in loss record 1,625 of 3,399
==25736==    at 0x4A330FF: malloc (vg_replace_malloc.c:309)
==25736==    by 0x13A962: resource_new (resource.c:47)
==25736==    by 0x145501: _available_handler (presence.c:665)
==25736==    by 0x145501: _presence_handler (presence.c:399)
==25736==    by 0x145501: _presence_handler (presence.c:358)
==25736==    by 0x80D5F34: handler_fire_stanza (in /usr/lib64/libstrophe.so.0.0.0)
==25736==    by 0x80D2B49: _handle_stream_stanza (in /usr/lib64/libstrophe.so.0.0.0)
==25736==    by 0x80E15CE: _end_element (in /usr/lib64/libstrophe.so.0.0.0)
==25736==    by 0x843EE9B: doContent (in /usr/lib64/libexpat.so.1.6.10)
==25736==    by 0x843F94B: contentProcessor (in /usr/lib64/libexpat.so.1.6.10)
==25736==    by 0x8441E77: XML_ParseBuffer (in /usr/lib64/libexpat.so.1.6.10)
==25736==    by 0x80D586B: xmpp_run_once (in /usr/lib64/libstrophe.so.0.0.0)
==25736==    by 0x13E07E: connection_check_events (connection.c:119)
==25736==    by 0x13869C: prof_run (profanity.c:129)

Fixes #1279.
This commit is contained in:
Dmitry Podgorny
2020-02-23 08:49:29 +02:00
parent c520c3d3c3
commit 6c649a9de8
1 changed files with 2 additions and 0 deletions
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2
src/xmpp/roster_list.c
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@@ -140,6 +140,8 @@ roster_update_presence(const char *const barejid, Resource *resource, GDateTime
PContact contact = roster_get_contact(barejid);
if (contact == NULL) {
/* Don't lose resource when there is no owner. */
resource_destroy(resource);
return FALSE;
}
if (!_datetimes_equal(p_contact_last_activity(contact), last_activity)) {