From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=192.55.52.88; helo=mga01.intel.com; envelope-from=fan.wang@intel.com; receiver=edk2-devel@lists.01.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 9106122280C5B for ; Wed, 3 Jan 2018 19:15:52 -0800 (PST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga101.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 03 Jan 2018 19:20:25 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.45,505,1508828400"; d="scan'208";a="21245829" Received: from fanwang2-hp.ccr.corp.intel.com ([10.239.9.33]) by orsmga001.jf.intel.com with ESMTP; 03 Jan 2018 19:20:24 -0800 From: fanwang2 To: edk2-devel@lists.01.org Cc: Wang Fan , Ye Ting , Jiaxin Wu , Fu Siyuan Date: Thu, 4 Jan 2018 11:20:06 +0800 Message-Id: <1515036008-10700-3-git-send-email-fan.wang@intel.com> X-Mailer: git-send-email 1.9.5.msysgit.1 In-Reply-To: <1515036008-10700-1-git-send-email-fan.wang@intel.com> References: <1515036008-10700-1-git-send-email-fan.wang@intel.com> Subject: [Patch 2/4] NetworkPkg: Fix a memory leak issue in UDP6 driver X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 04 Jan 2018 03:15:53 -0000 From: Wang Fan In UDP6Dxe Udp6Groups(), the code return directly without free the buffer allocated for McastIp when JoinFlag is TRUE. It is a memory leak issue that needs to be fixed. This patch is to fix this issue. Cc: Ye Ting Cc: Jiaxin Wu Cc: Fu Siyuan Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Wang Fan --- NetworkPkg/Udp6Dxe/Udp6Main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/NetworkPkg/Udp6Dxe/Udp6Main.c b/NetworkPkg/Udp6Dxe/Udp6Main.c index 9105ef4..8495bc3 100644 --- a/NetworkPkg/Udp6Dxe/Udp6Main.c +++ b/NetworkPkg/Udp6Dxe/Udp6Main.c @@ -349,10 +349,13 @@ Udp6Groups ( } } Instance = UDP6_INSTANCE_DATA_FROM_THIS (This); if (!Instance->Configured) { + if (McastIp != NULL) { + FreePool (McastIp); + } return EFI_NOT_STARTED; } Ip = Instance->IpInfo->Ip.Ip6; -- 1.9.5.msysgit.1