From: Phil Sutter <phil@nwl.cc>
Date: Mon, 21 Aug 2017 16:36:50 +0000 (+0200)
Subject: iproute: Check mark value input
X-Git-Tag: v4.13.0~40
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c66d89828a6ee4c5a4e3f48ef4a4cb07b50013d;p=thirdparty%2Fiproute2.git

iproute: Check mark value input

Signed-off-by: Phil Sutter <phil@nwl.cc>
---

diff --git a/ip/iproute.c b/ip/iproute.c
index 89caac124..83fd70c3d 100644
--- a/ip/iproute.c
+++ b/ip/iproute.c
@@ -1495,7 +1495,8 @@ 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;
@@ -1712,7 +1713,8 @@ 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();