Message ID | 20230607014353.3172466-11-irogers@google.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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Tue, 06 Jun 2023 18:44:33 -0700 (PDT) Date: Tue, 6 Jun 2023 18:43:43 -0700 In-Reply-To: <20230607014353.3172466-1-irogers@google.com> Message-Id: <20230607014353.3172466-11-irogers@google.com> Mime-Version: 1.0 References: <20230607014353.3172466-1-irogers@google.com> X-Mailer: git-send-email 2.41.0.rc0.172.g3f132b7071-goog Subject: [PATCH v1 10/20] perf header: Ensure bitmaps are freed From: Ian Rogers <irogers@google.com> To: John Garry <john.g.garry@oracle.com>, Will Deacon <will@kernel.org>, James Clark <james.clark@arm.com>, Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Arnaldo Carvalho de Melo <acme@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Ian Rogers <irogers@google.com>, Adrian Hunter <adrian.hunter@intel.com>, Suzuki K Poulose <suzuki.poulose@arm.com>, "Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com>, Kan Liang <kan.liang@linux.intel.com>, German Gomez <german.gomez@arm.com>, Ali Saidi <alisaidi@amazon.com>, Jing Zhang <renyu.zj@linux.alibaba.com>, " =?utf-8?q?Martin_Li=C5=A1ka?= " <mliska@suse.cz>, Athira Rajeev <atrajeev@linux.vnet.ibm.com>, Miguel Ojeda <ojeda@kernel.org>, ye xingchen <ye.xingchen@zte.com.cn>, Liam Howlett <liam.howlett@oracle.com>, Dmitrii Dolgov <9erthalion6@gmail.com>, "Shawn M. Chapla" <schapla@codeweavers.com>, Yang Jihong <yangjihong1@huawei.com>, K Prateek Nayak <kprateek.nayak@amd.com>, Changbin Du <changbin.du@huawei.com>, Ravi Bangoria <ravi.bangoria@amd.com>, Sean Christopherson <seanjc@google.com>, Raul Silvera <rsilvera@google.com>, Andi Kleen <ak@linux.intel.com>, "Steinar H. Gunderson" <sesse@google.com>, Yuan Can <yuancan@huawei.com>, Brian Robbins <brianrob@linux.microsoft.com>, liuwenyu <liuwenyu7@huawei.com>, Ivan Babrou <ivan@cloudflare.com>, Fangrui Song <maskray@google.com>, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, coresight@lists.linaro.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230607_024437_150166_A6B035C6 X-CRM114-Status: GOOD ( 13.67 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-arm-kernel.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/> List-Post: <mailto:linux-arm-kernel@lists.infradead.org> List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>, <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org> Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org |
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diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index d85b39079c31..3db7c1fae71e 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -1389,6 +1389,14 @@ static int memory_node__read(struct memory_node *n, unsigned long idx) return 0; } +static void memory_node__delete_nodes(struct memory_node *nodesp, u64 cnt) +{ + for (u64 i = 0; i < cnt; i++) + bitmap_free(nodesp[i].set); + + free(nodesp); +} + static int memory_node__sort(const void *a, const void *b) { const struct memory_node *na = a; @@ -1449,7 +1457,7 @@ static int build_mem_topology(struct memory_node **nodesp, u64 *cntp) *nodesp = nodes; qsort(nodes, cnt, sizeof(nodes[0]), memory_node__sort); } else - free(nodes); + memory_node__delete_nodes(nodes, cnt); return ret; } @@ -1516,7 +1524,7 @@ static int write_mem_topology(struct feat_fd *ff __maybe_unused, } out: - free(nodes); + memory_node__delete_nodes(nodes, nr); return ret; }
memory_node bitmaps need a bitmap_free to avoid memory leaks. Caught by leak sanitizer. Signed-off-by: Ian Rogers <irogers@google.com> --- tools/perf/util/header.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-)