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gdbus/watch: Fix crash when g_dbus_remove_watch is called from connect callback 

at 0x40570C: update_service (watch.c:601)
 by 0x40584B: service_reply (watch.c:627)
 by 0x3B0700C511: ??? (in /usr/lib64/libdbus-1.so.3.7.4)
 by 0x3B0700F740: dbus_connection_dispatch (in /usr/lib64/libdbus-1.so.3.7.4)
 by 0x405167: message_dispatch (mainloop.c:76)
 by 0x3B03C48962: ??? (in /usr/lib64/libglib-2.0.so.0.3600.3)
 by 0x3B03C47E05: g_main_context_dispatch (in /usr/lib64/libglib-2.0.so.0.3600.3)
 by 0x3B03C48157: ??? (in /usr/lib64/libglib-2.0.so.0.3600.3)
 by 0x3B03C48559: g_main_loop_run (in /usr/lib64/libglib-2.0.so.0.3600.3)
Address 0x4c58a30 is 32 bytes inside a block of size 56 free'd
 at 0x4A074C4: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
 by 0x3B03C4D9AE: g_free (in /usr/lib64/libglib-2.0.so.0.3600.3)
 by 0x406102: filter_data_remove_callback (watch.c:378)
 by 0x405FC0: g_dbus_remove_watch (watch.c:798)
 by 0x40A22B: g_dbus_client_unref (client.c:1227)
 by 0x40570B: update_service (watch.c:599)
 by 0x40584B: service_reply (watch.c:627)
This commit is contained in:
Luiz Augusto von Dentz 2013-09-02 15:55:45 +03:00 committed by Marcel Holtmann
parent 778b60a94f
commit 68cc171e40
1 changed files with 7 additions and 3 deletions
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10
gdbus/watch.c
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@ -593,13 +593,17 @@ static gboolean update_service(void *user_data)
{
struct service_data *data = user_data;
struct filter_callback *cb = data->callback;
DBusConnection *conn;
update_name_cache(data->name, data->owner);
if (cb->conn_func)
cb->conn_func(data->conn, cb->user_data);
conn = dbus_connection_ref(data->conn);
service_data_free(data);
if (cb->conn_func)
cb->conn_func(conn, cb->user_data);
dbus_connection_unref(conn);
return FALSE;
}