netdev - [PATCH iproute2 4/4] ip vrf: Detect invalid vrf name in pids command

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Message-Id: <1487264338-17588-5-git-send-email-dsa@cumulusnetworks.com>
Date:   Thu, 16 Feb 2017 08:58:58 -0800
From:   David Ahern <dsa@...ulusnetworks.com>
To:     netdev@...r.kernel.org, stephen@...workplumber.org,
        luto@...capital.net
Cc:     David Ahern <dsa@...ulusnetworks.com>
Subject: [PATCH iproute2 4/4] ip vrf: Detect invalid vrf name in pids command

Verify VRF name is valid before attempting to read cgroups files.

Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
---
 ip/ipvrf.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/ip/ipvrf.c b/ip/ipvrf.c
index cb7f9fa6d1db..5e204a9ebbb1 100644
--- a/ip/ipvrf.c
+++ b/ip/ipvrf.c
@@ -212,6 +212,10 @@ static int ipvrf_pids(int argc, char **argv)
 	}
 
 	vrf = argv[0];
+	if (!name_is_vrf(vrf)) {
+		fprintf(stderr, "Invalid VRF name\n");
+		return -1;
+	}
 
 	mnt = find_cgroup2_mount();
 	if (!mnt)
-- 
2.1.4