From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751376AbaJDQiN (ORCPT ); Sat, 4 Oct 2014 12:38:13 -0400 Received: from mail-ig0-f175.google.com ([209.85.213.175]:44457 "EHLO mail-ig0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750862AbaJDQiM (ORCPT ); Sat, 4 Oct 2014 12:38:12 -0400 From: Yasser Shalabi To: acme@kernel.org Cc: linux-kernel@vger.kernel.org, mingo@redhat.com, paulus@samba.org, a.p.zijlstra@chello.nl, Yasser Shalabi Subject: [PATCH] perf: fix for double free in tools/perf stat Date: Sat, 4 Oct 2014 11:37:57 -0400 Message-Id: <1412437077-13109-1-git-send-email-yassershalabi@gmail.com> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Fix for double free bug in tools/perf due to dangling thread_map pointer in perf_evlist struct. Code path excercised when perf stat -C switch is used but not set and is followed by another switch. Example: perf stat -C -e. Signed-off-by: Yasser Shalabi --- tools/perf/util/evlist.c | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 814e954..09af633 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -845,6 +845,7 @@ int perf_evlist__create_maps(struct perf_evlist *evlist, struct target *target) out_delete_threads: thread_map__delete(evlist->threads); + evlist->threads = 0; return -1; } -- 1.7.10.4