From: Ian Rogers <irogers@google.com>
To: acme@kernel.org, namhyung@kernel.org
Cc: adrian.hunter@intel.com, alice.mei.rogers@gmail.com,
dapeng1.mi@linux.intel.com, james.clark@linaro.org,
leo.yan@linux.dev, linux-kernel@vger.kernel.org,
linux-perf-users@vger.kernel.org, mingo@redhat.com,
peterz@infradead.org, tmricht@linux.ibm.com,
Ian Rogers <irogers@google.com>
Subject: [PATCH v1 02/13] perf stat: Fix evsel_list leak in cmd_stat
Date: Mon, 22 Jun 2026 22:35:04 -0700 [thread overview]
Message-ID: <20260623053515.2677888-3-irogers@google.com> (raw)
In-Reply-To: <20260623053515.2677888-1-irogers@google.com>
Fix a memory leak in cmd_stat() where evsel_list is leaked if an error
occurs while opening the output file.
Assisted-by: Antigravity:gemini-3.1-pro
Fixes: 361c99a661a7 ("perf evsel: Introduce perf_evlist")
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/builtin-stat.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 3f897b2e8638..7cb6ea937e87 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -2718,7 +2718,8 @@ int cmd_stat(int argc, const char **argv)
output = fopen(output_name, mode);
if (!output) {
perror("failed to create output file");
- return -1;
+ status = -1;
+ goto out;
}
if (!stat_config.json_output) {
clock_gettime(CLOCK_REALTIME, &tm);
@@ -2729,7 +2730,8 @@ int cmd_stat(int argc, const char **argv)
output = fdopen(output_fd, mode);
if (!output) {
perror("Failed opening logfd");
- return -errno;
+ status = -errno;
+ goto out;
}
}
@@ -2738,7 +2740,8 @@ int cmd_stat(int argc, const char **argv)
parse_options_usage(stat_usage, stat_options, "o", 1);
parse_options_usage(NULL, stat_options, "log-fd", 0);
parse_options_usage(NULL, stat_options, "interval-clear", 0);
- return -1;
+ status = -1;
+ goto out;
}
stat_config.output = output;
--
2.55.0.rc0.786.g65d90a0328-goog
next prev parent reply other threads:[~2026-06-23 5:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-23 5:35 [PATCH v1 00/13] perf python: Fix python extension bugs and memory leaks Ian Rogers
2026-06-23 5:35 ` [PATCH v1 01/13] perf script: Fix metric_evlist leak in script_find_metrics Ian Rogers
2026-06-23 5:35 ` Ian Rogers [this message]
2026-06-23 5:35 ` [PATCH v1 03/13] perf top: Fix sb_evlist leak Ian Rogers
2026-06-23 5:35 ` [PATCH v1 04/13] perf python: Fix memory leak in pyrf_evlist__get_pollfd Ian Rogers
2026-06-23 5:35 ` [PATCH v1 05/13] perf synthetic-events: Fix uninitialized pthread_join Ian Rogers
2026-06-23 5:35 ` [PATCH v1 06/13] perf data: Fix directory file descriptor leak in perf_data__switch Ian Rogers
2026-06-23 5:35 ` [PATCH v1 07/13] perf test: Fix skiplist leak in cmd_test Ian Rogers
2026-06-23 5:35 ` [PATCH v1 08/13] perf python: Check counts_values size in set_values Ian Rogers
2026-06-23 5:35 ` [PATCH v1 09/13] perf python: Validate CPU and thread maps in pyrf_evsel__open Ian Rogers
2026-06-23 5:35 ` [PATCH v1 10/13] perf python: Validate attribute setters in pyrf_evsel Ian Rogers
2026-06-23 5:35 ` [PATCH v1 11/13] perf python: Zero initialize perf_data in pyrf_data__init Ian Rogers
2026-06-23 5:35 ` [PATCH v1 12/13] perf python: Add thread uninitialized checks Ian Rogers
2026-06-23 5:35 ` [PATCH v1 13/13] perf python: Fix MetricGroup return type in perf.pyi Ian Rogers
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20260623053515.2677888-3-irogers@google.com \
--to=irogers@google.com \
--cc=acme@kernel.org \
--cc=adrian.hunter@intel.com \
--cc=alice.mei.rogers@gmail.com \
--cc=dapeng1.mi@linux.intel.com \
--cc=james.clark@linaro.org \
--cc=leo.yan@linux.dev \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-perf-users@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=namhyung@kernel.org \
--cc=peterz@infradead.org \
--cc=tmricht@linux.ibm.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox