From: eaglegai <eaglegai@163.com>
Date: Thu, 28 Oct 2021 13:51:13 +0000 (+0800)
Subject: fix undefined-shift in put_res_rec fuzz error: ../../source3/libsmb/nmblib.c:451... 
X-Git-Tag: ldb-2.5.0~332
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=14f56750fcf51a1d6daa14da08b34eb789241a23;p=thirdparty%2Fsamba.git

fix undefined-shift in put_res_rec fuzz error: ../../source3/libsmb/nmblib.c:451:4: runtime error: left shift of 65312 by 16 places cannot be represented in type 'int'

Author:    eaglegai <eaglegai@163.com>

Signed-off-by: eaglegai <eaglegai@163.com>
Reviewed-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>

Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Oct 29 20:29:26 UTC 2021 on sn-devel-184
---

diff --git a/source3/libsmb/nmblib.c b/source3/libsmb/nmblib.c
index ff009092bbf..607470f7e4e 100644
--- a/source3/libsmb/nmblib.c
+++ b/source3/libsmb/nmblib.c
@@ -449,7 +449,7 @@ static int put_res_rec(char *buf, size_t buflen, int offset,struct res_rec *recs
 		if (buf) {
 			RSSVAL(buf,offset,recs[i].rr_type);
 			RSSVAL(buf,offset+2,recs[i].rr_class);
-			RSIVAL(buf,offset+4,recs[i].ttl);
+			RSIVAL(buf,offset+4,(unsigned int)recs[i].ttl);
 			RSSVAL(buf,offset+8,recs[i].rdlength);
 			memcpy(buf+offset+10,recs[i].rdata,recs[i].rdlength);
 		}