From 347e64e8d4a1fa804ab4deb764f923e92d1d4ad4 Mon Sep 17 00:00:00 2001
From: Victor Julien <victor@inliniac.net>
Date: Wed, 24 Oct 2018 10:58:58 +0200
Subject: [PATCH] smb/c: don't accept null input

---
 src/app-layer-smb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/app-layer-smb.c b/src/app-layer-smb.c
index 1cb07b4e83..994d7a25e7 100644
--- a/src/app-layer-smb.c
+++ b/src/app-layer-smb.c
@@ -1188,6 +1188,8 @@ static int SMBParse(Flow *f, void *smb_state, AppLayerParserState *pstate,
 
     if (input == NULL && AppLayerParserStateIssetFlag(pstate, APP_LAYER_PARSER_EOF)) {
         SCReturnInt(1);
+    } else if (input == NULL) {
+        SCReturnInt(-1);
     }
 
     if (sstate->bytesprocessed != 0 && sstate->data_needed_for_dir != dir) {