From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEDb5-0002kK-IQ for qemu-devel@nongnu.org; Mon, 04 Aug 2014 04:26:28 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XEDb0-0006x0-6t for qemu-devel@nongnu.org; Mon, 04 Aug 2014 04:26:23 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:4446) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XEDaz-0006fB-Ig for qemu-devel@nongnu.org; Mon, 04 Aug 2014 04:26:18 -0400 From: zhanghailiang Date: Mon, 4 Aug 2014 16:25:41 +0800 Message-ID: <1407140744-11948-2-git-send-email-zhang.zhanghailiang@huawei.com> In-Reply-To: <1407140744-11948-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1407140744-11948-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH 1/4] l2cap: fix access freed memory List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, stefanha@redhat.com, mst@redhat.com, luonengjun@huawei.com, peter.huangpeng@huawei.com, lcapitulino@redhat.com, alex@alex.org.uk, pbonzini@redhat.com, zhanghailiang Pointer 'ch' will be used in function 'l2cap_channel_open_req_msg' after it was previously freed in 'l2cap_channel_open'. Assigned it to NULL after it is freed. Signed-off-by: zhanghailiang --- hw/bt/l2cap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/bt/l2cap.c b/hw/bt/l2cap.c index 2301d6f..591e047 100644 --- a/hw/bt/l2cap.c +++ b/hw/bt/l2cap.c @@ -429,7 +429,7 @@ static struct l2cap_chan_s *l2cap_channel_open(struct l2cap_instance_s *l2cap, status = L2CAP_CS_NO_INFO; } else { g_free(ch); - + ch = NULL; result = L2CAP_CR_NO_MEM; status = L2CAP_CS_NO_INFO; } -- 1.7.12.4