Fix format-overflow warning

rpc-pipefs-generator.c:35  sprintf: '%s' directive output between 0 and 2147483653 bytes
may exceed minimum required size of 4095 [-Werror=format-overflow=]

Signed-off-by: xueyamao <xueyamao@kylinos.cn>

0005-Fix-format-overflow-warning.patch

@@ -0,0 +1,36 @@
+From 7f8463fe702174bd613df9d308cc899af25ae02e Mon Sep 17 00:00:00 2001
+From: Steve Dickson <steved@redhat.com>
+Date: Thu, 11 Aug 2022 11:15:15 +0800
+Subject: [PATCH] Fix format-overflow warning
+
+rpc-pipefs-generator.c:35:23: error: '%s' directive output between 0 and 2147483653 bytes may exceed minimum required size of 4095 [-Werror=format-overflow=]
+   35 |         sprintf(path, "%s/%s", dirname, pipefs_unit);
+      |                       ^
+
+Signed-off-by: Steve Dickson <steved@redhat.com>
+---
+ systemd/rpc-pipefs-generator.c | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/systemd/rpc-pipefs-generator.c b/systemd/rpc-pipefs-generator.c
+index 8e218aa..801975c 100644
+--- a/systemd/rpc-pipefs-generator.c
++++ b/systemd/rpc-pipefs-generator.c
+@@ -28,11 +28,11 @@ static int generate_mount_unit(const char *pipefs_path, const char *pipefs_unit,
+ {
+ 	char	*path;
+ 	FILE	*f;
+-
+-	path = malloc(strlen(dirname) + 1 + strlen(pipefs_unit));
++	size_t size = (strlen(dirname) + 1 + strlen(pipefs_unit));
++	path = malloc(size);
+ 	if (!path)
+ 		return 1;
+-	sprintf(path, "%s/%s", dirname, pipefs_unit);
++	snprintf(path, size, "%s/%s", dirname, pipefs_unit);
+ 	f = fopen(path, "w");
+ 	if (!f)
+ 	{
+-- 
+2.33.0
+

nfs-utils.spec

@@ -4,7 +4,7 @@
 
 Name:    nfs-utils
 Version: 2.5.4
-Release: 6
+Release: 7
 Epoch:   2
 Summary: The Linux NFS userland utility package
 License: MIT and GPLv2 and GPLv2+ and BSD
@@ -17,7 +17,7 @@ Patch1:  0001-correct-the-statd-path-in-man.patch
 Patch2:  0002-nfs-utils-set-use-gss-proxy-1-to-enable-gss-proxy-by.patch
 Patch3:	 0003-idmapd-Fix-error-status-when-nfs-idmapd-exits.patch
 Patch4:	 0004-fix-coredump-in-bl_add_disk.patch
-
+Patch5:  0005-Fix-format-overflow-warning.patch 
 BuildRequires: libevent-devel,libcap-devel, libtirpc-devel libblkid-devel
 BuildRequires: krb5-libs >= 1.4 autoconf >= 2.57 openldap-devel >= 2.2
 BuildRequires: automake, libtool, gcc, device-mapper-devel
@@ -228,6 +228,9 @@ fi
 %{_mandir}/*/*
 
 %changelog
+* Thu Aug 11 2022 xueyamao <xueyamao@ktlinos.cn> - 2:2.5.4-7
+- systemd: Fix format-overflow warning.
+
 * Sat Apr 16 2022 Wu Bo <wubo40@huawei.com> - 2.5.4-6
 - Update epoch version to 2. In order to fix the upgrade issues.