diff --git a/sys/dev/cxgbe/t4_sge.c b/sys/dev/cxgbe/t4_sge.c
index 8a502907d172..ba778bf73975 100644
--- a/sys/dev/cxgbe/t4_sge.c
+++ b/sys/dev/cxgbe/t4_sge.c
@@ -42,6 +42,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/kernel.h>
 #include <sys/ktls.h>
 #include <sys/malloc.h>
+#include <sys/msan.h>
 #include <sys/queue.h>
 #include <sys/sbuf.h>
 #include <sys/taskqueue.h>
@@ -1742,6 +1743,7 @@ get_scatter_segment(struct adapter *sc, struct sge_fl *fl, int fr_offset,
 		len = min(remaining, blen);
 		payload = sd->cl;
 	}
+	kmsan_mark((void *)payload, len, KMSAN_STATE_INITED);
 
 	if (fr_offset == 0) {
 		m = m_gethdr(M_NOWAIT, MT_DATA);