From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>
Cc: Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Ian Rogers <irogers@google.com>, Jiri Olsa <jolsa@redhat.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Andi Kleen <ak@linux.intel.com>, Leo Yan <leo.yan@linaro.org>,
Mark Rutland <mark.rutland@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Stephane Eranian <eranian@google.com>,
clang-built-linux@googlegroups.com,
Arnaldo Carvalho de Melo <acme@redhat.com>
Subject: [PATCH 01/24] perf parse-events: Fix 3 use after frees found with clang ASAN
Date: Wed, 25 Mar 2020 09:41:01 -0300 [thread overview]
Message-ID: <20200325124124.32648-2-acme@kernel.org> (raw)
In-Reply-To: <20200325124124.32648-1-acme@kernel.org>
From: Ian Rogers <irogers@google.com>
Reproducible with a clang asan build and then running perf test in
particular 'Parse event definition strings'.
Signed-off-by: Ian Rogers <irogers@google.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: clang-built-linux@googlegroups.com
Link: http://lore.kernel.org/lkml/20200314170356.62914-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/evsel.c | 1 +
tools/perf/util/parse-events.c | 6 +++---
2 files changed, 4 insertions(+), 3 deletions(-)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 816d930d774e..15ccd193483f 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1287,6 +1287,7 @@ void perf_evsel__exit(struct evsel *evsel)
perf_thread_map__put(evsel->core.threads);
zfree(&evsel->group_name);
zfree(&evsel->name);
+ zfree(&evsel->pmu_name);
perf_evsel__object.fini(evsel);
}
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index a7dc0b096974..10107747b361 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1449,7 +1449,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
evsel = __add_event(list, &parse_state->idx, &attr, NULL, pmu, NULL,
auto_merge_stats, NULL);
if (evsel) {
- evsel->pmu_name = name;
+ evsel->pmu_name = name ? strdup(name) : NULL;
evsel->use_uncore_alias = use_uncore_alias;
return 0;
} else {
@@ -1497,7 +1497,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state,
evsel->snapshot = info.snapshot;
evsel->metric_expr = info.metric_expr;
evsel->metric_name = info.metric_name;
- evsel->pmu_name = name;
+ evsel->pmu_name = name ? strdup(name) : NULL;
evsel->use_uncore_alias = use_uncore_alias;
evsel->percore = config_term_percore(&evsel->config_terms);
}
@@ -1547,7 +1547,7 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
if (!parse_events_add_pmu(parse_state, list,
pmu->name, head,
true, true)) {
- pr_debug("%s -> %s/%s/\n", config,
+ pr_debug("%s -> %s/%s/\n", str,
pmu->name, alias->str);
ok++;
}
--
2.21.1
next prev parent reply other threads:[~2020-03-25 12:41 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-25 12:41 [GIT PULL] perf/core improvements and fixes Arnaldo Carvalho de Melo
2020-03-25 12:41 ` Arnaldo Carvalho de Melo [this message]
2020-03-25 12:41 ` [PATCH 02/24] perf symbols: Consolidate symbol fixup issue Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 03/24] perf report: Print al_addr when symbol is not found Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 04/24] perf report: Support interactive annotation of code without symbols Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 05/24] perf report/top TUI: Support hotkey 'a' for annotation of unresolved addresses Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 06/24] perf report: Allow specifying event to be used as sort key in --group output Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 07/24] perf report: Support a new key to reload the browser Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 08/24] perf report/top TUI: Support hotkeys to let user select any event for sorting Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 09/24] perf stat: Align the output for interval aggregation mode Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 10/24] perf metricgroup: Fix printing event names of metric group with multiple events incase of overlapping events Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 11/24] perf vendor events amd: Restrict model detection for zen1 based processors Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 12/24] perf vendor events amd: Add Zen2 events Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 13/24] perf vendor events amd: Update Zen1 events to V2 Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 14/24] tools headers uapi: Update linux/in.h copy Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 15/24] perf tools: Unify a bit the build directory output Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 16/24] perf jevents: Add some test events Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 17/24] perf jevents: Support test events folder Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 18/24] perf pmu: Refactor pmu_add_cpu_aliases() Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 19/24] perf test: Add pmu-events test Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 20/24] perf pmu: Add is_pmu_core() Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 21/24] perf pmu: Make pmu_uncore_alias_match() public Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 22/24] perf test: Test pmu-events aliases Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 23/24] perf cpumap: Fix snprintf overflow check Arnaldo Carvalho de Melo
2020-03-25 12:41 ` [PATCH 24/24] perf dso: Fix dso comparison Arnaldo Carvalho de Melo
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