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-rw-r--r--source3/nmbd/nmbd_packets.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/source3/nmbd/nmbd_packets.c b/source3/nmbd/nmbd_packets.c
index 142268b0b0..3fa382b96f 100644
--- a/source3/nmbd/nmbd_packets.c
+++ b/source3/nmbd/nmbd_packets.c
@@ -1273,6 +1273,13 @@ an error packet of type %x\n",
if (len <= 0)
return;
+ if (buf2 + len > buf + sizeof(dgram->data)) {
+ DEBUG(2,("process_dgram: datagram from %s to %s IP %s for %s of type %d len=%d too long.\n",
+ nmb_namestr(&dgram->source_name),nmb_namestr(&dgram->dest_name),
+ inet_ntoa(p->ip), smb_buf(buf),CVAL(buf2,0),len));
+ len = (buf + sizeof(dgram->data)) - buf;
+ }
+
/* Datagram packet received for the browser mailslot */
if (strequal(smb_buf(buf),BROWSE_MAILSLOT))
{