From ce3460e0a39948054139e5bcf72130e82bf2da8d Mon Sep 17 00:00:00 2001
From: Andrea Claudi <aclaudi@redhat.com>
Date: Mon, 29 Apr 2019 20:08:07 +0200
Subject: [PATCH] iproute: Check mark value input

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1465646
Upstream Status: iproute2.git commit 7c66d89828a6e

commit 7c66d89828a6ee4c5a4e3f48ef4a4cb07b50013d
Author: Phil Sutter <phil@nwl.cc>
Date:   Mon Aug 21 18:36:50 2017 +0200

    iproute: Check mark value input

    Signed-off-by: Phil Sutter <phil@nwl.cc>
---
 ip/iproute.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/ip/iproute.c b/ip/iproute.c
index 6ebc6214c45ee..1d92530fd3421 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -1481,7 +1481,8 @@ static int iproute_list_flush_or_save(int argc, char **argv, int action)
 			id = *argv;
 		} else if (strcmp(*argv, "mark") == 0) {
 			NEXT_ARG();
-			get_unsigned(&mark, *argv, 0);
+			if (get_unsigned(&mark, *argv, 0))
+				invarg("invalid mark value", *argv);
 			filter.markmask = -1;
 		} else if (strcmp(*argv, "via") == 0) {
 			int family;
@@ -1698,7 +1699,8 @@ static int iproute_get(int argc, char **argv)
 			idev = *argv;
 		} else if (matches(*argv, "mark") == 0) {
 			NEXT_ARG();
-			get_unsigned(&mark, *argv, 0);
+			if (get_unsigned(&mark, *argv, 0))
+				invarg("invalid mark value", *argv);
 		} else if (matches(*argv, "oif") == 0 ||
 			   strcmp(*argv, "dev") == 0) {
 			NEXT_ARG();
-- 
2.20.1