diff options
Diffstat (limited to 'sys/netgraph/ng_rfc1490.c')
| -rw-r--r-- | sys/netgraph/ng_rfc1490.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/netgraph/ng_rfc1490.c b/sys/netgraph/ng_rfc1490.c index 3649476..6bbdc41 100644 --- a/sys/netgraph/ng_rfc1490.c +++ b/sys/netgraph/ng_rfc1490.c @@ -226,7 +226,8 @@ ng_rfc1490_rcvdata(hook_p hook, struct mbuf *m, meta_p meta) if (hook == priv->downlink) { u_char *start, *ptr; - if (!m || !(m = m_pullup(m, MAX_ENCAPS_HDR))) + if (!m || (m->m_len < MAX_ENCAPS_HDR + && !(m = m_pullup(m, MAX_ENCAPS_HDR)))) ERROUT(ENOBUFS); ptr = start = mtod(m, u_char *); |
