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| author | José Expósito <jose.exposito89@gmail.com> | 2021-12-08 18:11:13 +0100 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-01-14 11:46:59 -0300 |
| commit | e000ea0beffb5497425054b151369fe37a792ece (patch) | |
| tree | 32c4b42083739870ed72db1daebe55b7e853a941 /tools | |
| parent | 99fc11bb5b6f19d2c3671d6cf38571cb3dedb472 (diff) | |
| download | linux-e000ea0beffb5497425054b151369fe37a792ece.tar.bz2 | |
perf metricgroup: Fix use after free in metric__new()
We shouldn't free() something that will be used in the next line, fix
it.
Fixes: b85a4d61d3022608 ("perf metric: Allow modifiers on metrics")
Addresses-Coverity-ID: 1494000
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: John Garry <john.garry@huawei.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20211208171113.22089-1-jose.exposito89@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/metricgroup.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 51c99cb08abf..8826c555f780 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; |