From: Changbin Du <changbin.du@xxxxxxxxx>
[ Upstream commit 8bde8516893da5a5fdf06121f74d11b52ab92df5 ]
Detected with gcc's ASan:
Direct leak of 4356 byte(s) in 120 object(s) allocated from:
#0 0x7ff1a2b5a070 in __interceptor_strdup (/usr/lib/x86_64-linux-gnu/libasan.so.5+0x3b070)
#1 0x55719aef4814 in build_id_cache__origname util/build-id.c:215
#2 0x55719af649b6 in print_sdt_events util/parse-events.c:2339
#3 0x55719af66272 in print_events util/parse-events.c:2542
#4 0x55719ad1ecaa in cmd_list /home/changbin/work/linux/tools/perf/builtin-list.c:58
#5 0x55719aec745d in run_builtin /home/changbin/work/linux/tools/perf/perf.c:302
#6 0x55719aec7d1a in handle_internal_command /home/changbin/work/linux/tools/perf/perf.c:354
#7 0x55719aec8184 in run_argv /home/changbin/work/linux/tools/perf/perf.c:398
#8 0x55719aeca41a in main /home/changbin/work/linux/tools/perf/perf.c:520
#9 0x7ff1a07ae09a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2409a)
Signed-off-by: Changbin Du <changbin.du@xxxxxxxxx>
Reviewed-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Alexei Starovoitov <ast@xxxxxxxxxx>
Cc: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>
Fixes: 40218daea1db ("perf list: Show SDT and pre-cached events")
Link: http://lkml.kernel.org/r/20190316080556.3075-7-changbin.du@xxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
tools/perf/util/build-id.c | 1 +
tools/perf/util/parse-events.c | 1 +
2 files changed, 2 insertions(+)
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 7f8553630c4d..69910deab6e0 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -185,6 +185,7 @@ char *build_id_cache__linkname(const char *sbuild_id, char *bf, size_t size)
return bf;
}
+/* The caller is responsible to free the returned buffer. */
char *build_id_cache__origname(const char *sbuild_id)
{
char *linkname;
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index ec3517326a68..29e2bb304168 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2180,6 +2180,7 @@ void print_sdt_events(const char *subsys_glob, const char *event_glob,
printf(" %-50s [%s]\n", buf, "SDT event");
free(buf);
}
+ free(path);
} else
printf(" %-50s [%s]\n", nd->s, "SDT event");
if (nd2) {
--
2.19.1
