From d78786f17f03109c3e9c7043b1b63f947afb0ee0 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 8 May 2024 06:15:09 +0200
Subject: Merging upstream version 4.19.282.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 net/sched/ematch.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'net/sched/ematch.c')

diff --git a/net/sched/ematch.c b/net/sched/ematch.c
index 113a133ee..5ba3548d2 100644
--- a/net/sched/ematch.c
+++ b/net/sched/ematch.c
@@ -259,6 +259,8 @@ static int tcf_em_validate(struct tcf_proto *tp,
 			 * the value carried.
 			 */
 			if (em_hdr->flags & TCF_EM_SIMPLE) {
+				if (em->ops->datalen > 0)
+					goto errout;
 				if (data_len < sizeof(u32))
 					goto errout;
 				em->data = *(u32 *) data;
-- 
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