!56 backport to fix potential memory leakage on -p option

From: @lvgenggeng 
Reviewed-by: @seuzw 
Signed-off-by: @seuzw

backport-ping-Fix-potential-memory-leakage.patch

@@ -0,0 +1,32 @@
+From 626ea66f3d54ba6e749230d3aa0ce8f4ddfded9c Mon Sep 17 00:00:00 2001
+From: lvgenggeng <lvgenggeng@uniontech.com>
+Date: Tue, 31 May 2022 08:37:38 +0800
+Subject: [PATCH] ping: Fix potential memory leakage
+
+If user use '-p' opt multi-times, the previous pointer generated by
+strdup() will be discarded.
+
+Closes: https://github.com/iputils/iputils/pull/409
+
+Reviewed-by: Cyril Hrubis <chrubis@suse.cz>
+Reviewed-by: Petr Vorel <pvorel@suse.cz>
+Signed-off-by: lvgenggeng <lvgenggeng@uniontech.com>
+---
+ ping/ping.c | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/ping/ping.c b/ping/ping.c
+index 8a7f701..10f2cf3 100644
+--- a/ping/ping.c
++++ b/ping/ping.c
+@@ -449,6 +449,7 @@ main(int argc, char **argv)
+ 			break;
+ 		case 'p':
+ 			rts.opt_pingfilled = 1;
++			free(outpack_fill);
+ 			outpack_fill = strdup(optarg);
+ 			if (!outpack_fill)
+ 				error(2, errno, _("memory allocation failed"));
+-- 
+2.27.0
+

iputils.spec

@@ -1,6 +1,6 @@
 Name:            iputils
 Version:         20210722
-Release:         5
+Release:         6
 Summary:         Network monitoring tools including ping
 License:         BSD and GPLv2+
 URL:             https://github.com/iputils/iputils
@@ -22,6 +22,7 @@ Patch0006:       backport-ping6-Avoid-binding-to-non-VRF.patch
 Patch0007:       arping-Fix-exit-code-on-w-option.patch
 Patch0008:       backport-ping-Print-reply-from-Subnet-Router-anycast-address.patch
 Patch0009:       backport-ping-Print-reply-with-wrong-source-with-warning.patch
+Patch0010:       backport-ping-Fix-potential-memory-leakage.patch
 
 BuildRequires:   gcc meson libidn2-devel openssl-devel libcap-devel libxslt
 BuildRequires:   docbook5-style-xsl systemd iproute glibc-kernheaders gettext
@@ -120,6 +121,12 @@ install -cp ifenslave.8 ${RPM_BUILD_ROOT}%{_mandir}/man8/
 %{_unitdir}/ninfod.service
 
 %changelog
+* Mon Jun 20 2022 lvgenggeng <lvgenggeng@uniontech.com> - 20210722-6
+- Type:bugfix
+- ID:NA
+- SUG:NA
+- DESC:backport to fix potential memory leakage on -p option
+
 * Sat May 07 2022 eaglegai <eaglegai@163.com> - 20210722-5
 - Type:bugfix
 - ID:NA