lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Thu, 21 May 2020 09:10:55 -0700 From: Ian Rogers <irogers@...gle.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Wei Li <liwei391@...wei.com>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>, Mark Rutland <mark.rutland@....com>, Namhyung Kim <namhyung@...nel.org>, LKML <linux-kernel@...r.kernel.org>, Li Bin <huawei.libin@...wei.com>, Xie XiuQi <xiexiuqi@...wei.com>, Hongbo Yao <yaohongbo@...wei.com> Subject: Re: [PATCH 1/4] perf metrictroup: Fix memory leak of metric_events On Thu, May 21, 2020 at 8:54 AM Arnaldo Carvalho de Melo <acme@...nel.org> wrote: > > Em Thu, May 21, 2020 at 09:32:15PM +0800, Wei Li escreveu: > > From: Hongbo Yao <yaohongbo@...wei.com> > > > > Fix memory leak of metric_events in function metricgroup__setup_events() > > The leak is there but this code has changed a lot recently, please take > a look at my perf/core branch and keep Ian Rogers in the loop, > > - Arnaldo Thanks, I'd posted the same change here: https://lore.kernel.org/lkml/20200508053629.210324-10-irogers@google.com/ but it looks like it was mislaid. Arnaldo, I can re-post that patch or Acked-by this patch. I'm easy either way. Thanks, Ian > > Signed-off-by: Hongbo Yao <yaohongbo@...wei.com> > > --- > > tools/perf/util/metricgroup.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c > > index 926449a7cdbf..69bf0f4d646e 100644 > > --- a/tools/perf/util/metricgroup.c > > +++ b/tools/perf/util/metricgroup.c > > @@ -184,6 +184,7 @@ static int metricgroup__setup_events(struct list_head *groups, > > if (!evsel) { > > pr_debug("Cannot resolve %s: %s\n", > > eg->metric_name, eg->metric_expr); > > + free(metric_events); > > continue; > > } > > for (i = 0; i < eg->idnum; i++) > > @@ -191,11 +192,13 @@ static int metricgroup__setup_events(struct list_head *groups, > > me = metricgroup__lookup(metric_events_list, evsel, true); > > if (!me) { > > ret = -ENOMEM; > > + free(metric_events); > > break; > > } > > expr = malloc(sizeof(struct metric_expr)); > > if (!expr) { > > ret = -ENOMEM; > > + free(metric_events); > > break; > > } > > expr->metric_expr = eg->metric_expr; > > -- > > 2.17.1 > > > > -- > > - Arnaldo
Powered by blists - more mailing lists