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From: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
To: dev@dpdk.org
Cc: stable@dpdk.org
Subject: [dpdk-stable] [PATCH] app/test-fib: fix unchecked return value
Date: Mon, 11 May 2020 10:22:32 +0100
Message-ID: <e12f63c5bd8af410eb0c3d2c2455e1d89d6ad51b.1589188908.git.vladimir.medvedkin@intel.com> (raw)

Check returned value after strtok()
CID 355674 (#1 of 1): Dereference null return value (NULL_RETURNS)
4. dereference: Dereferencing a pointer that might be NULL s when
calling inet_pton

Fixes: 103809d032cd ("app/test-fib: add test application for FIB")
Cc: stable@dpdk.org

Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com>
---
 app/test-fib/main.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/app/test-fib/main.c b/app/test-fib/main.c
index 6e80d65..9cf01b1 100644
--- a/app/test-fib/main.c
+++ b/app/test-fib/main.c
@@ -543,6 +543,8 @@ parse_lookup(FILE *f, int af)
 
 	while (fgets(line, sizeof(line), f) != NULL) {
 		s = strtok(line, " \t\n");
+		if (s == NULL)
+			return -EINVAL;
 		ret = inet_pton(af, s, &tbl[i]);
 		if (ret != 1)
 			return -EINVAL;
-- 
2.7.4


             reply	other threads:[~2020-05-11  9:22 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-11  9:22 Vladimir Medvedkin [this message]
2020-05-19 17:45 ` Thomas Monjalon

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