From: Anoop Saldanha <poonaatsoc@gmail.com>
Date: Tue, 13 Mar 2012 11:35:53 +0000 (+0530)
Subject: Add BUG_ON to avoid overruning AppLayerDetectDirection map array
X-Git-Tag: suricata-1.3beta1~102
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7511fa67cd57a6add93dcbf89e101fb0f7ad0ce7;p=thirdparty%2Fsuricata.git

Add BUG_ON to avoid overruning AppLayerDetectDirection map array
---

diff --git a/src/app-layer-detect-proto.c b/src/app-layer-detect-proto.c
index 7c158de927..366a086789 100644
--- a/src/app-layer-detect-proto.c
+++ b/src/app-layer-detect-proto.c
@@ -226,6 +226,7 @@ void AlpProtoAdd(AlpProtoDetectCtx *ctx, uint16_t ip_proto, uint16_t al_proto, c
 
     mpm_table[dir->mpm_ctx.mpm_type].AddPattern(&dir->mpm_ctx, cd->content, cd->content_len,
                                 cd->offset, cd->depth, cd->id, cd->id, 0);
+    BUG_ON(dir->id == ALP_DETECT_MAX);
     dir->map[dir->id] = al_proto;
     dir->id++;