From: John Garry <john.garry@huawei.com>
To: "José Expósito" <jose.exposito89@gmail.com>, peterz@infradead.org
Cc: <mingo@redhat.com>, <acme@kernel.org>, <mark.rutland@arm.com>,
<alexander.shishkin@linux.intel.com>, <jolsa@redhat.com>,
<namhyung@kernel.org>, <irogers@google.com>, <ak@linux.intel.com>,
<linux-perf-users@vger.kernel.org>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v2] perf util: Fix use after free in metric__new
Date: Mon, 13 Dec 2021 08:47:53 +0000 [thread overview]
Message-ID: <690406fd-306c-9786-bacc-fd27e2e531fb@huawei.com> (raw)
In-Reply-To: <20211212115818.267011-1-jose.exposito89@gmail.com>
On 12/12/2021 11:58, José Expósito wrote:
> Fixes: b85a4d61d302 (perf metric: Allow modifiers on metrics)
> Addresses-Coverity-ID: 1494000
> Acked-by: Ian Rogers <irogers@google.com>
> Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Reviewed-by: John Garry <john.garry@huawei.com>
>
> ---
>
> v2: Add Fixes and Acked-by tags
> ---
> tools/perf/util/metricgroup.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
> index fffe02aae3ed..4d2fed3aefd1 100644
> --- a/tools/perf/util/metricgroup.c
> +++ b/tools/perf/util/metricgroup.c
> @@ -209,8 +209,8 @@ static struct metric *metric__new(const struct pmu_event *pe,
> m->metric_name = pe->metric_name;
> m->modifier = modifier ? strdup(modifier) : NULL;
> if (modifier && !m->modifier) {
> - free(m);
> expr__ctx_free(m->pctx);
> + free(m);
> return NULL;
> }
> m->metric_expr = pe->metric_expr;
>
prev parent reply other threads:[~2021-12-13 8:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-12 11:58 José Expósito
2021-12-13 8:47 ` John Garry [this message]
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