This is a note to let you know that I've just added the patch titled
perf tracepoint: Fix memory leak in is_valid_tracepoint()
to the 6.3-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
perf-tracepoint-fix-memory-leak-in-is_valid_tracepoi.patch
and it can be found in the queue-6.3 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 596c8fccfdcfeb462c74bcdde7c787240bebfc9a
Author: Yang Jihong <yangjihong1@xxxxxxxxxx>
Date: Fri Apr 21 02:59:53 2023 +0000
perf tracepoint: Fix memory leak in is_valid_tracepoint()
[ Upstream commit 9b86c49710eec7b4fbb78a0232b2dd0972a2b576 ]
When is_valid_tracepoint() returns 1, need to call put_events_file() to
free `dir_path`.
Fixes: 25a7d914274de386 ("perf parse-events: Use get/put_events_file()")
Signed-off-by: Yang Jihong <yangjihong1@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Ian Rogers <irogers@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20230421025953.173826-1-yangjihong1@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/tools/perf/util/tracepoint.c b/tools/perf/util/tracepoint.c
index 89ef56c433110..92dd8b455b902 100644
--- a/tools/perf/util/tracepoint.c
+++ b/tools/perf/util/tracepoint.c
@@ -50,6 +50,7 @@ int is_valid_tracepoint(const char *event_string)
sys_dirent->d_name, evt_dirent->d_name);
if (!strcmp(evt_path, event_string)) {
closedir(evt_dir);
+ put_events_file(dir_path);
closedir(sys_dir);
return 1;
}
