From b11aa94d4270681c62aff8ee2d7d9c0c80c1d42d Mon Sep 17 00:00:00 2001
From: Victor Julien <vjulien@oisf.net>
Date: Fri, 15 May 2026 19:43:56 +0200
Subject: [PATCH] decode/vlan: implement max layers for IEEE8021ah

Ticket: #8615.
---
 src/decode-vlan.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/decode-vlan.c b/src/decode-vlan.c
index a20f51d950..beb3042909 100644
--- a/src/decode-vlan.c
+++ b/src/decode-vlan.c
@@ -115,6 +115,9 @@ int DecodeIEEE8021ah(ThreadVars *tv, DecodeThreadVars *dtv, Packet *p,
         return TM_ECODE_FAILED;
     }
 
+    if (!PacketIncreaseCheckLayers(p)) {
+        return TM_ECODE_FAILED;
+    }
     IEEE8021ahHdr *hdr = (IEEE8021ahHdr *)pkt;
     const uint16_t next_proto = SCNtohs(hdr->type);