This is a note to let you know that I've just added the patch titled perf sched timehist: Fix missing free of session in perf_sched__timehist() to the 4.19-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-sched-timehist-fix-missing-free-of-session-in-p.patch and it can be found in the queue-4.19 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 73357237e63ffec6fa72b184e3f4cd3da6e25160 Author: Yang Jihong <yangjihong@xxxxxxxxxxxxx> Date: Tue Aug 6 10:35:33 2024 +0800 perf sched timehist: Fix missing free of session in perf_sched__timehist() [ Upstream commit 6bdf5168b6fb19541b0c1862bdaa596d116c7bfb ] When perf_time__parse_str() fails in perf_sched__timehist(), need to free session that was previously created, fix it. Fixes: 853b74071110bed3 ("perf sched timehist: Add option to specify time window of interest") Signed-off-by: Yang Jihong <yangjihong@xxxxxxxxxxxxx> Acked-by: Namhyung Kim <namhyung@xxxxxxxxxx> Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx> Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx> Cc: David Ahern <dsa@xxxxxxxxxxxxxxxxxxx> Cc: Ian Rogers <irogers@xxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Kan Liang <kan.liang@xxxxxxxxxxxxxxx> Cc: Mark Rutland <mark.rutland@xxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20240806023533.1316348-1-yangjihong@xxxxxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 4562e3b2f4d36..1c9e06c1d0089 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -2994,7 +2994,8 @@ static int perf_sched__timehist(struct perf_sched *sched) if (perf_time__parse_str(&sched->ptime, sched->time_str) != 0) { pr_err("Invalid time string\n"); - return -EINVAL; + err = -EINVAL; + goto out; } if (timehist_check_attr(sched, evlist) != 0)