From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47037) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XGlO3-0006lN-CS for qemu-devel@nongnu.org; Mon, 11 Aug 2014 04:55:31 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1XGlNy-0006WT-UW for qemu-devel@nongnu.org; Mon, 11 Aug 2014 04:55:27 -0400 Received: from szxga01-in.huawei.com ([119.145.14.64]:33486) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1XGlNy-0006W5-5B for qemu-devel@nongnu.org; Mon, 11 Aug 2014 04:55:22 -0400 From: zhanghailiang Date: Mon, 11 Aug 2014 16:53:00 +0800 Message-ID: <1407747189-7936-2-git-send-email-zhang.zhanghailiang@huawei.com> In-Reply-To: <1407747189-7936-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1407747189-7936-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v5 01/10] 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, lkurusa@redhat.com, zhanghailiang , mst@redhat.com, jan.kiszka@siemens.com, riku.voipio@iki.fi, mjt@tls.msk.ru, peter.huangpeng@huawei.com, lcapitulino@redhat.com, stefanha@redhat.com, luonengjun@huawei.com, pbonzini@redhat.com, alex.bennee@linaro.org, rth@twiddle.net 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. Reviewed-by: Alex Bennée 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