diff --git a/gdbm.spec b/gdbm.spec
index 7e1066e589a13720fbf3ee34fa091030b0ca2cbc..3e8e2c30e34191a49c569e232bbd0bed89516644 100644
--- a/gdbm.spec
+++ b/gdbm.spec
@@ -1,6 +1,6 @@
 Name:       gdbm
 Version:    1.22
-Release:    4
+Release:    5
 Epoch:      1
 Summary:    A library of database functions that work similar to the standard UNIX dbm
 License:    GPLv3+
@@ -8,7 +8,8 @@ URL:        http://www.gnu.org/software/gdbm/
 Source0:    http://ftp.gnu.org/gnu/gdbm/gdbm-%{version}.tar.gz
 
 Patch0:     Fix-gdbmtool-import-command.patch
-Patch1:	    Fix-binary-dump-format-for-key-and-or-data-of-zero-s.patch
+Patch1:     Fix-binary-dump-format-for-key-and-or-data-of-zero-s.patch
+Patch2:     gdbm_dump-fix-command-line-error-detection.patch
 
 BuildRequires:  gcc libtool gettext readline-devel 
 
@@ -100,6 +101,9 @@ fi
 %{_infodir}/*.info*
 
 %changelog
+* Wed Jun 22 2022 wangzhqiang <wangzhiqiang95@huawei.com> - 1:1.22-5
+- DESC: gdbm_dump-fix-command-line-error-detection
+
 * Fri Jun 17 2022 wangzhiqiang <wangzhiqiang95@huawei.com> - 1:1.22-4
 - DESC: Fix binary dump format for key and or data of zero size
 
diff --git a/gdbm_dump-fix-command-line-error-detection.patch b/gdbm_dump-fix-command-line-error-detection.patch
new file mode 100644
index 0000000000000000000000000000000000000000..0e248e39c9703fb2ace1527638a0b7857ef18446
--- /dev/null
+++ b/gdbm_dump-fix-command-line-error-detection.patch
@@ -0,0 +1,72 @@
+From c96c160375bd1f3861651311e8645fb6478a1ffd Mon Sep 17 00:00:00 2001
+From: Sergey Poznyakoff <gray@gnu.org>
+Date: Mon, 20 Jun 2022 11:50:46 +0300
+Subject: [PATCH] gdbm_dump: fix command line error detection
+
+This fixes https://puszcza.gnu.org.ua/bugs/?567
+---
+ src/gdbm_dump.c | 23 +++++++++++++++++------
+ 1 file changed, 17 insertions(+), 6 deletions(-)
+
+diff --git a/src/gdbm_dump.c b/src/gdbm_dump.c
+index a480152..2f37eac 100644
+--- a/src/gdbm_dump.c
++++ b/src/gdbm_dump.c
+@@ -57,19 +57,31 @@ main (int argc, char **argv)
+ 	  format = GDBM_DUMP_FMT_ASCII;
+ 	else
+ 	  {
+-	    format = atoi (optarg);
+-	    switch (format)
++	    char *p;
++	    unsigned long n;
++
++	    errno = 0;
++	    n = strtoul (optarg, &p, 10);
++	    if (errno || *p != 0)
++	      {
++		error (_("unknown dump format"));
++		exit (EXIT_USAGE);
++	      }
++
++	    switch (n)
+ 	      {
+ 	      case GDBM_DUMP_FMT_BINARY:
+ 	      case GDBM_DUMP_FMT_ASCII:
++		format = n;
+ 		break;
++
+ 	      default:
+ 		error (_("unknown dump format"));
+ 		exit (EXIT_USAGE);
+ 	      }
+ 	  }
+ 	break;
+-	
++
+       default:
+ 	error (_("unknown option"));
+ 	exit (EXIT_USAGE);
+@@ -90,7 +102,7 @@ main (int argc, char **argv)
+       error (_("too many arguments; try `%s -h' for more info"), progname);
+       exit (EXIT_USAGE);
+     }
+-  
++
+   dbname = argv[0];
+   if (argc == 2)
+     filename = argv[1];
+@@ -124,9 +136,8 @@ main (int argc, char **argv)
+     {
+       gdbm_perror (_("dump error"), filename);
+     }
+-  
++
+   gdbm_close (dbf);
+ 
+   exit (rc == GDBM_NO_ERROR ? EXIT_OK : EXIT_FATAL);
+ }
+-  
+-- 
+1.8.3.1
+