From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ian Rogers <irogers@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>,
Adrian Hunter <adrian.hunter@intel.com>,
James Clark <james.clark@linaro.org>,
Collin Funk <collin.funk1@gmail.com>,
Dmitry Vyukov <dvyukov@google.com>,
Andi Kleen <ak@linux.intel.com>,
Thomas Falcon <thomas.falcon@intel.com>,
Leo Yan <leo.yan@arm.com>, Yicong Yang <yangyicong@hisilicon.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Masami Hiramatsu (Google)" <mhiramat@kernel.org>,
Stephen Brennan <stephen.s.brennan@oracle.com>,
Haibo Xu <haibo1.xu@intel.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v1 03/17] perf symbol-elf: Add missing puts on error path
Date: Mon, 1 Dec 2025 15:04:23 -0300 [thread overview]
Message-ID: <aS3YpyPwlBq2ald2@x1> (raw)
In-Reply-To: <20251122081929.7588-4-irogers@google.com>
On Sat, Nov 22, 2025 at 12:19:15AM -0800, Ian Rogers wrote:
> In dso__process_kernel_symbol if inserting a map fails, probably
> ENOMEM, then the reference count puts were missing on the dso and map.
Reviewed-by: Arnaldo Carvalho de Melo <acme@redhat.com>
- Arnaldo
> Signed-off-by: Ian Rogers <irogers@google.com>
> ---
> tools/perf/util/symbol-elf.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/tools/perf/util/symbol-elf.c b/tools/perf/util/symbol-elf.c
> index 9e820599bab3..4c76e680b13d 100644
> --- a/tools/perf/util/symbol-elf.c
> +++ b/tools/perf/util/symbol-elf.c
> @@ -1446,8 +1446,11 @@ static int dso__process_kernel_symbol(struct dso *dso, struct map *map,
> map__set_mapping_type(curr_map, MAPPING_TYPE__IDENTITY);
> }
> dso__set_symtab_type(curr_dso, dso__symtab_type(dso));
> - if (maps__insert(kmaps, curr_map))
> + if (maps__insert(kmaps, curr_map)) {
> + dso__put(curr_dso);
> + map__put(curr_map);
> return -1;
> + }
> dsos__add(&maps__machine(kmaps)->dsos, curr_dso);
> dso__set_loaded(curr_dso);
> dso__put(*curr_dsop);
> --
> 2.52.0.rc2.455.g230fcf2819-goog
next prev parent reply other threads:[~2025-12-01 18:04 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-22 8:19 [PATCH v1 00/17] perf: Small fixes and new tests Ian Rogers
2025-11-22 8:19 ` [PATCH v1 01/17] perf kvm: Fix debug assertion Ian Rogers
2025-11-26 6:33 ` Namhyung Kim
2025-11-22 8:19 ` [PATCH v1 02/17] perf timechart: Add record support for output perf.data path Ian Rogers
2025-11-26 6:38 ` Namhyung Kim
2025-11-22 8:19 ` [PATCH v1 03/17] perf symbol-elf: Add missing puts on error path Ian Rogers
2025-12-01 18:04 ` Arnaldo Carvalho de Melo [this message]
2025-11-22 8:19 ` [PATCH v1 04/17] perf symbol: Add missed dso__put Ian Rogers
2025-11-22 8:19 ` [PATCH v1 05/17] perf probe-event: Ensure probe event nsinfo is always cleared Ian Rogers
2025-11-26 6:58 ` Namhyung Kim
2025-11-22 8:19 ` [PATCH v1 06/17] perf hist: In init, ensure mem_info is put on error paths Ian Rogers
2025-12-01 17:05 ` Arnaldo Carvalho de Melo
2025-12-01 17:14 ` Arnaldo Carvalho de Melo
2025-12-01 17:52 ` Ian Rogers
2025-11-22 8:19 ` [PATCH v1 07/17] perf mem-events: Don't leak online CPU map Ian Rogers
2025-12-01 17:01 ` Arnaldo Carvalho de Melo
2025-11-22 8:19 ` [PATCH v1 08/17] perf jitdump: Fix missed dso__put Ian Rogers
2025-12-01 17:00 ` Arnaldo Carvalho de Melo
2025-11-22 8:19 ` [PATCH v1 09/17] perf c2c: Clean up some defensive gets and make asan clean Ian Rogers
2025-12-01 17:45 ` Arnaldo Carvalho de Melo
2025-11-22 8:19 ` [PATCH v1 10/17] perf tests c2c: Add a basic c2c Ian Rogers
2025-11-22 8:19 ` [PATCH v1 11/17] perf tests buildid: Add purge and remove testing Ian Rogers
2025-11-22 8:19 ` [PATCH v1 12/17] perf tests top: Add basic perf top coverage test Ian Rogers
2025-11-22 8:19 ` [PATCH v1 13/17] perf tests timechart: Add a perf timechart test Ian Rogers
2025-11-22 8:19 ` [PATCH v1 14/17] perf tests kallsyms: Add basic kallsyms test Ian Rogers
2025-11-22 8:19 ` [PATCH v1 15/17] perf tests script dlfilter: Add a dlfilter test Ian Rogers
2025-11-22 8:19 ` [PATCH v1 16/17] perf tests evlist: Add basic evlist test Ian Rogers
2025-11-26 7:19 ` Namhyung Kim
2025-11-22 8:19 ` [PATCH v1 17/17] perf test kvm: Add some basic perf kvm test coverage Ian Rogers
2025-11-26 7:21 ` Namhyung Kim
2025-11-27 11:53 ` Ian Rogers
2025-11-27 20:55 ` Namhyung Kim
2025-11-28 9:06 ` Ian Rogers
2025-12-03 19:03 ` Namhyung Kim
2025-12-04 19:10 ` [PATCH v1 00/17] perf: Small fixes and new tests Namhyung Kim
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