diff --git a/bugfix-dhcp-64-bit-lease-parse.patch b/bugfix-dhcp-64-bit-lease-parse.patch
new file mode 100644
index 0000000000000000000000000000000000000000..0488c546ae4979d8d2e089e0ffc78e64b1f7798c
--- /dev/null
+++ b/bugfix-dhcp-64-bit-lease-parse.patch
@@ -0,0 +1,76 @@
+diff --git a/common/parse.c b/common/parse.c
+index 386a632..6ebbc9b 100644
+--- a/common/parse.c
++++ b/common/parse.c
+@@ -943,8 +943,8 @@ TIME
+ parse_date_core(cfile)
+ 	struct parse *cfile;
+ {
+-	int guess;
+-	int tzoff, year, mon, mday, hour, min, sec;
++	TIME guess;
++	long int tzoff, year, mon, mday, hour, min, sec;
+ 	const char *val;
+ 	enum dhcp_token token;
+ 	static int months[11] = { 31, 59, 90, 120, 151, 181,
+@@ -970,7 +970,7 @@ parse_date_core(cfile)
+ 		}
+ 
+ 		skip_token(&val, NULL, cfile); /* consume number */
+-		guess = atoi(val);
++		guess = atol(val);
+ 
+ 		return((TIME)guess);
+ 	}
+@@ -998,7 +998,7 @@ parse_date_core(cfile)
+ 	   somebody invents a time machine, I think we can safely disregard
+ 	   it.   This actually works around a stupid Y2K bug that was present
+ 	   in a very early beta release of dhcpd. */
+-	year = atoi(val);
++	year = atol(val);
+ 	if (year > 1900)
+ 		year -= 1900;
+ 
+@@ -1044,7 +1044,7 @@ parse_date_core(cfile)
+ 		return((TIME)0);
+ 	}
+ 	skip_token(&val, NULL, cfile); /* consume day of month */
+-	mday = atoi(val);
++	mday = atol(val);
+ 
+ 	/* Hour... */
+ 	token = peek_token(&val, NULL, cfile);
+@@ -1055,7 +1055,7 @@ parse_date_core(cfile)
+ 		return((TIME)0);
+ 	}
+ 	skip_token(&val, NULL, cfile); /* consume hour */
+-	hour = atoi(val);
++	hour = atol(val);
+ 
+ 	/* Colon separating hour from minute... */
+ 	token = peek_token(&val, NULL, cfile);
+@@ -1077,7 +1077,7 @@ parse_date_core(cfile)
+ 		return((TIME)0);
+ 	}
+ 	skip_token(&val, NULL, cfile); /* consume minute */
+-	min = atoi(val);
++	min = atol(val);
+ 
+ 	/* Colon separating minute from second... */
+ 	token = peek_token(&val, NULL, cfile);
+@@ -1099,13 +1099,13 @@ parse_date_core(cfile)
+ 		return((TIME)0);
+ 	}
+ 	skip_token(&val, NULL, cfile); /* consume second */
+-	sec = atoi(val);
++	sec = atol(val);
+ 
+ 	tzoff = 0;
+ 	token = peek_token(&val, NULL, cfile);
+ 	if (token == NUMBER) {
+ 		skip_token(&val, NULL, cfile); /* consume tzoff */
+-		tzoff = atoi(val);
++		tzoff = atol(val);
+ 	} else if (token != SEMI) {
+ 		skip_token(&val, NULL, cfile);
+ 		parse_warn(cfile,
diff --git a/dhcp.spec b/dhcp.spec
index 46cc065ca221ee089d72ad492bbbb9397c82bd11..485a707700c3042ef2749340aa681ea005f1c0b4 100644
--- a/dhcp.spec
+++ b/dhcp.spec
@@ -3,7 +3,7 @@
 
 Name:      dhcp
 Version:   4.4.2
-Release:   2
+Release:   3
 Summary:   Dynamic host configuration protocol software
 #Please don't change the epoch on this package
 Epoch:     12
@@ -52,6 +52,7 @@ Patch29: bugfix-reduce-getifaddr-calls.patch
 Patch30: bugfix-dhcpd-2038-problem.patch
 Patch31: dhcpd-coredump-infiniband.patch
 Patch32: bugfix-dhclient-check-if-pid-was-held.patch
+Patch33: bugfix-dhcp-64-bit-lease-parse.patch
 
 BuildRequires: gcc autoconf automake libtool openldap-devel krb5-devel libcap-ng-devel bind-export-devel
 BuildRequires: systemd systemd-devel
@@ -290,6 +291,12 @@ exit 0
 %{_mandir}/man3/omapi.3.gz
 
 %changelog
+* Tue Dec 29 2020 quanhongfei <quanhongfei@huawei.com> - 4.4.2-3
+- Type:bugfix
+- ID:NA
+- SUG:restart
+- DESC:fix dhcp 64_bit lease parse 
+
 * Thu Sep 10 2020 gaihuiying <gaihuiying1@huawei.com> - 4.4.2-2
 - Type:bugfix
 - ID:NA