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authorNamhyung Kim <namhyung@kernel.org>2020-09-15 05:18:19 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2020-09-15 14:22:42 +0200
commitd26383dcb2b4b8629fde05270b4e3633be9e3d4b (patch)
tree121b204bf7546e9b1cc293c13d704e19f722e60e /tools
parentperf metric: Do not free metric when failed to resolve (diff)
downloadlinux-d26383dcb2b4b8629fde05270b4e3633be9e3d4b.tar.xz
linux-d26383dcb2b4b8629fde05270b4e3633be9e3d4b.zip
perf test: Free formats for perf pmu parse test
The following leaks were detected by ASAN: Indirect leak of 360 byte(s) in 9 object(s) allocated from: #0 0x7fecc305180e in calloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10780e) #1 0x560578f6dce5 in perf_pmu__new_format util/pmu.c:1333 #2 0x560578f752fc in perf_pmu_parse util/pmu.y:59 #3 0x560578f6a8b7 in perf_pmu__format_parse util/pmu.c:73 #4 0x560578e07045 in test__pmu tests/pmu.c:155 #5 0x560578de109b in run_test tests/builtin-test.c:410 #6 0x560578de109b in test_and_print tests/builtin-test.c:440 #7 0x560578de401a in __cmd_test tests/builtin-test.c:661 #8 0x560578de401a in cmd_test tests/builtin-test.c:807 #9 0x560578e49354 in run_builtin /home/namhyung/project/linux/tools/perf/perf.c:312 #10 0x560578ce71a8 in handle_internal_command /home/namhyung/project/linux/tools/perf/perf.c:364 #11 0x560578ce71a8 in run_argv /home/namhyung/project/linux/tools/perf/perf.c:408 #12 0x560578ce71a8 in main /home/namhyung/project/linux/tools/perf/perf.c:538 #13 0x7fecc2b7acc9 in __libc_start_main ../csu/libc-start.c:308 Fixes: cff7f956ec4a1 ("perf tests: Move pmu tests into separate object") Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/20200915031819.386559-12-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/tests/pmu.c1
-rw-r--r--tools/perf/util/pmu.c11
-rw-r--r--tools/perf/util/pmu.h1
3 files changed, 13 insertions, 0 deletions
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c
index 5c11fe2b3040..714e6830a758 100644
--- a/tools/perf/tests/pmu.c
+++ b/tools/perf/tests/pmu.c
@@ -173,6 +173,7 @@ int test__pmu(struct test *test __maybe_unused, int subtest __maybe_unused)
ret = 0;
} while (0);
+ perf_pmu__del_formats(&formats);
test_format_dir_put(format);
return ret;
}
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 555cb3524c25..d41caeb35cf6 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -1354,6 +1354,17 @@ void perf_pmu__set_format(unsigned long *bits, long from, long to)
set_bit(b, bits);
}
+void perf_pmu__del_formats(struct list_head *formats)
+{
+ struct perf_pmu_format *fmt, *tmp;
+
+ list_for_each_entry_safe(fmt, tmp, formats, list) {
+ list_del(&fmt->list);
+ free(fmt->name);
+ free(fmt);
+ }
+}
+
static int sub_non_neg(int a, int b)
{
if (b > a)
diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h
index b63c4c5e335e..a64e9c9ce731 100644
--- a/tools/perf/util/pmu.h
+++ b/tools/perf/util/pmu.h
@@ -94,6 +94,7 @@ int perf_pmu__new_format(struct list_head *list, char *name,
int config, unsigned long *bits);
void perf_pmu__set_format(unsigned long *bits, long from, long to);
int perf_pmu__format_parse(char *dir, struct list_head *head);
+void perf_pmu__del_formats(struct list_head *formats);
struct perf_pmu *perf_pmu__scan(struct perf_pmu *pmu);