Fix SIGSEGV if kernel install fails during Quick Mode as responder.

diff --git a/src/libcharon/sa/ikev1/tasks/quick_mode.c b/src/libcharon/sa/ikev1/tasks/quick_mode.c
index 663f2c0..9251e1a 100644 (file)
--- a/src/libcharon/sa/ikev1/tasks/quick_mode.c
+++ b/src/libcharon/sa/ikev1/tasks/quick_mode.c
@@ -964,11 +964,15 @@ METHOD(task_t, process_r, status_t,
                        }
                        if (!install(this))
                        {
-                               this->ike_sa->flush_queue(this->ike_sa, TASK_QUEUE_PASSIVE);
-                               this->ike_sa->queue_task(this->ike_sa,
-                                       (task_t*)quick_delete_create(this->ike_sa,
+                               ike_sa_t *ike_sa = this->ike_sa;
+                               task_t *task;
+
+                               task = (task_t*)quick_delete_create(this->ike_sa,
                                                                this->proposal->get_protocol(this->proposal),
-                                                               this->spi_i, TRUE, TRUE));
+                                                               this->spi_i, TRUE, TRUE);
+                               /* flush_queue() destroys the current task */
+                               ike_sa->flush_queue(ike_sa, TASK_QUEUE_PASSIVE);
+                               ike_sa->queue_task(ike_sa, task);
                                return ALREADY_DONE;
                        }
                        return SUCCESS;