detect: fix memory leak in app-layer-event keyword

Bug #2515.
7 years ago · 84fc43842f
parent 5c584c2b74
commit 84fc43842f
1 changed files with 3 additions and 0 deletions
--- a/src/detect-app-layer-event.c
+++ b/src/detect-app-layer-event.c
@ -285,6 +285,9 @@ static int DetectAppLayerEventSetupP2(Signature *s,
    if (DetectAppLayerEventParseAppP2((DetectAppLayerEventData *)sm->ctx, s->proto.proto,
                                      &event_type) < 0) {
        /* DetectAppLayerEventParseAppP2 prints errors */
+
+        /* sm has been removed from lists by DetectAppLayerEventPrepare */
+        SigMatchFree(sm);
        return -1;
    }
    SigMatchAppendSMToList(s, sm, g_applayer_events_list_id);