[CIFS] Fix oops when negotiating lanman and no password specified

Pointed out by Guenter Kukkukk Signed-of-by: Steve French <sfrench@us.ibm.com> (cherry picked from bbf33d512da608c7221fec42b56b9ef89c25a5ee commit)
mariux64 · Aug 11, 2006 · 66abda5 · 66abda5
1 parent 7ee1af7
commit 66abda5
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c
@@ -277,7 +277,8 @@ void calc_lanman_hash(struct cifsSesInfo * ses, char * lnm_session_key)
 		return;
 
 	memset(password_with_pad, 0, CIFS_ENCPWD_SIZE);
-	strncpy(password_with_pad, ses->password, CIFS_ENCPWD_SIZE);
+	if(ses->password)
+		strncpy(password_with_pad, ses->password, CIFS_ENCPWD_SIZE);
 
 	if((ses->server->secMode & SECMODE_PW_ENCRYPT) == 0)
 		if(extended_security & CIFSSEC_MAY_PLNTXT) {