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Fix leak in `purple_markup_find_tag` on error
release-2.x.y
2021-09-15, Elliott Sales de Andrade

addb2327cde0

Fix leak in `purple_markup_find_tag` on error

The output is set to `NULL`, but the internal data list is not freed if it happened to get something put into it.

Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35816

Testing Done:
Ran `pidgin_utils_fuzzer` on the test case in the bug report.

Reviewed at https://reviews.imfreedom.org/r/924/

/** @page dbus-server-signals DBus Server Signals

@signals

@signal dbus-method-called

@signal dbus-introspect

@endsignals

@see dbus-server.h

<hr>

@signaldef dbus-method-called

@signalproto

gboolean (*dbus_method_called)(DBusConnection *connection,

DBusMessage *message);

@endsignalproto

@signaldesc

Emitted when a dbus method is going to be called.

@param connection The DBus connection.

@param message The DBus message.

@return TRUE if signal handler handled the method. ???

@endsignaldef

@signaldef dbus-introspect

@signalproto

void (*dbus_introspect)(GList **bidings_list);

@endsignalproto

@signaldesc

???

@param bindings_list ???

@endsignaldef

// vim: syntax=c.doxygen tw=75 et

pidgin/pidgin