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-rw-r--r--net/mptcp/options.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mptcp/options.c b/net/mptcp/options.c
index 6b825fb3fa83..9b263f27ce9b 100644
--- a/net/mptcp/options.c
+++ b/net/mptcp/options.c
@@ -356,6 +356,8 @@ void mptcp_get_options(const struct sk_buff *skb,
 			length--;
 			continue;
 		default:
+			if (length < 2)
+				return;
 			opsize = *ptr++;
 			if (opsize < 2) /* "silly options" */
 				return;