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From: Tim Kourt <tim.a.kourt@linux.intel.com>
To: iwd@lists.01.org
Subject: [PATCH 6/8] hwsim: Fix potential memory leak
Date: Wed, 23 Oct 2019 13:24:01 -0700	[thread overview]
Message-ID: <20191023202403.9690-6-tim.a.kourt@linux.intel.com> (raw)
In-Reply-To: <20191023202403.9690-1-tim.a.kourt@linux.intel.com>

[-- Attachment #1: Type: text/plain, Size: 628 bytes --]

If msg has multiple RADIO NAME attributes, memory leak occurs.
---
 tools/hwsim.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/hwsim.c b/tools/hwsim.c
index e9ba1f95..500762db 100644
--- a/tools/hwsim.c
+++ b/tools/hwsim.c
@@ -312,11 +312,12 @@ static void list_callback(struct l_genl_msg *msg, void *user_data)
 			break;
 
 		case HWSIM_ATTR_RADIO_NAME:
-			hwname = l_malloc(len + 1);
-			if (hwname) {
+			if (!hwname) {
+				hwname = l_new(char, len + 1);
+
 				strncpy(hwname, data, len);
-				hwname[len] = '\0';
 			}
+
 			break;
 
 		default:
-- 
2.13.6

  parent reply	other threads:[~2019-10-23 20:24 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-23 20:23 [PATCH 1/8] client: Treat invalid DBus reply same as an error Tim Kourt
2019-10-23 20:23 ` [PATCH 2/8] client: Ignore invalid notifications Tim Kourt
2019-10-23 20:23 ` [PATCH 3/8] client: Ignore invalid agent requests Tim Kourt
2019-10-23 22:51   ` Denis Kenzior
2019-10-23 20:23 ` [PATCH 4/8] hotspot: Fix mem leak on failed hotspot config Tim Kourt
2019-10-23 22:56   ` Denis Kenzior
2019-10-23 20:24 ` [PATCH 5/8] hotspot Eliminate double assignment of variable Tim Kourt
2019-10-23 23:00   ` Denis Kenzior
2019-10-23 20:24 ` Tim Kourt [this message]
2019-10-23 20:24 ` [PATCH 7/8] client: Check family name before comparison Tim Kourt
2019-10-23 20:24 ` [PATCH 8/8] ofono: Validate message parsing Tim Kourt
2019-10-23 22:50 ` [PATCH 1/8] client: Treat invalid DBus reply same as an error Denis Kenzior

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