From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 1678 invoked by alias); 12 Dec 2013 09:15:52 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Received: (qmail 1654 invoked by uid 89); 12 Dec 2013 09:15:52 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.3 required=5.0 tests=AWL,BAYES_00,RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: mga02.intel.com Received: from mga02.intel.com (HELO mga02.intel.com) (134.134.136.20) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Thu, 12 Dec 2013 09:15:51 +0000 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga101.jf.intel.com with ESMTP; 12 Dec 2013 01:15:49 -0800 X-ExtLoop1: 1 Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga002.jf.intel.com with ESMTP; 12 Dec 2013 01:15:48 -0800 Received: from ulvlx001.iul.intel.com (ulvlx001.iul.intel.com [172.28.207.17]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id rBC9FlHd022960; Thu, 12 Dec 2013 09:15:47 GMT Received: from ulvlx001.iul.intel.com (localhost [127.0.0.1]) by ulvlx001.iul.intel.com with ESMTP id rBC9FlO0009138; Thu, 12 Dec 2013 10:15:47 +0100 Received: (from mmetzger@localhost) by ulvlx001.iul.intel.com with œ id rBC9Fl0j009134; Thu, 12 Dec 2013 10:15:47 +0100 From: Markus Metzger To: jan.kratochvil@redhat.com Cc: gdb-patches@sourceware.org Subject: [patch v8 01/24] btrace, linux: fix memory leak when reading branch trace Date: Thu, 12 Dec 2013 09:15:00 -0000 Message-Id: <1386839747-8860-2-git-send-email-markus.t.metzger@intel.com> In-Reply-To: <1386839747-8860-1-git-send-email-markus.t.metzger@intel.com> References: <1386839747-8860-1-git-send-email-markus.t.metzger@intel.com> X-IsSubscribed: yes X-SW-Source: 2013-12/txt/msg00465.txt.bz2 When it takes more than one iteration to read the BTS trace, the trace from the previous iteration is leaked. Fix it. 2013-12-12 Markus Metzger * common/linux-btrace.c (linux_read_btrace): Free trace from previous iteration. --- gdb/common/linux-btrace.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/gdb/common/linux-btrace.c b/gdb/common/linux-btrace.c index 7e20745..2e0cd8e 100644 --- a/gdb/common/linux-btrace.c +++ b/gdb/common/linux-btrace.c @@ -520,6 +520,9 @@ linux_read_btrace (struct btrace_target_info *tinfo, { data_head = header->data_head; + /* Delete any leftover trace from the previous iteration. */ + VEC_free (btrace_block_s, btrace); + /* If there's new trace, let's read it. */ if (data_head != tinfo->data_head) { -- 1.8.3.1