diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index e5dd395668ce28e278d5b844213158a5ee7434a6..37574911b331224014f8f5a927a6e50606676533 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -3704,12 +3704,6 @@ static enum sctp_disposition sctp_sf_shut_8_4_5(
 
 	SCTP_INC_STATS(net, SCTP_MIB_OUTCTRLCHUNKS);
 
-	/* If the chunk length is invalid, we don't want to process
-	 * the reset of the packet.
-	 */
-	if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr)))
-		return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
-
 	/* We need to discard the rest of the packet to prevent
 	 * potential bomming attacks from additional bundled chunks.
 	 * This is documented in SCTP Threats ID.
@@ -3737,6 +3731,9 @@ enum sctp_disposition sctp_sf_do_8_5_1_E_sa(struct net *net,
 {
 	struct sctp_chunk *chunk = arg;
 
+	if (!sctp_vtag_verify(chunk, asoc))
+		asoc = NULL;
+
 	/* Make sure that the SHUTDOWN_ACK chunk has a valid length. */
 	if (!sctp_chunk_length_valid(chunk, sizeof(struct sctp_chunkhdr)))
 		return sctp_sf_violation_chunklen(net, ep, asoc, type, arg,