X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ca54d72376a35225cebfd3615acb707c072ae22a..3d6e7bd1e42a7316fb2020348a8d3e86b1346b36:/print-smb.c

diff --git a/print-smb.c b/print-smb.c
index dd0f1045..723b9a03 100644
--- a/print-smb.c
+++ b/print-smb.c
@@ -806,9 +806,6 @@ print_smb(netdissect_options *ndo,
 
     ND_TCHECK(buf[9]);
     request = (buf[9] & 0x80) ? 0 : 1;
-    flags2 = EXTRACT_LE_16BITS(&buf[10]);
-    unicodestr = flags2 & 0x8000;
-    nterrcodes = flags2 & 0x4000;
     startbuf = buf;
 
     command = buf[4];
@@ -823,6 +820,11 @@ print_smb(netdissect_options *ndo,
     if (ndo->ndo_vflag < 2)
 	return;
 
+    ND_TCHECK_16BITS(&buf[10]);
+    flags2 = EXTRACT_LE_16BITS(&buf[10]);
+    unicodestr = flags2 & 0x8000;
+    nterrcodes = flags2 & 0x4000;
+
     /* print out the header */
     smb_fdata(ndo, buf, fmt_smbheader, buf + 33, unicodestr);
 
@@ -1165,10 +1167,12 @@ nbt_udp137_print(netdissect_options *ndo,
 	    p = smb_fdata(ndo, p, "Name=[n1]\n#", maxbuf, 0);
 	    if (p == NULL)
 		goto out;
+	    ND_TCHECK_16BITS(p);
 	    restype = EXTRACT_16BITS(p);
 	    p = smb_fdata(ndo, p, "ResType=[rw]\nResClass=[rw]\nTTL=[rD]\n", p + 8, 0);
 	    if (p == NULL)
 		goto out;
+	    ND_TCHECK_16BITS(p);
 	    rdlen = EXTRACT_16BITS(p);
 	    ND_PRINT((ndo, "ResourceLength=%d\nResourceData=\n", rdlen));
 	    p += 2;