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diff --git a/sys/net/if_vxlan.c b/sys/net/if_vxlan.c
--- a/sys/net/if_vxlan.c
+++ b/sys/net/if_vxlan.c
@@ -2849,6 +2849,12 @@
return (ENOENT);
ifp = sc->vxl_ifp;
+ if (m->m_len < ETHER_HDR_LEN &&
+ (m = m_pullup(m, ETHER_HDR_LEN)) == NULL) {
+ *m0 = NULL;
+ error = ENOBUFS;
+ goto out;
+ }
eh = mtod(m, struct ether_header *);
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {

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