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Message-Id: <20191003154547.411558084@linuxfoundation.org>
Date:   Thu,  3 Oct 2019 17:52:05 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...eddedor.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>, Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.2 147/313] perf script: Fix memory leaks in list_scripts()

From: Gustavo A. R. Silva <gustavo@...eddedor.com>

[ Upstream commit 3b4acbb92dbda4829e021e5c6d5410658849fa1c ]

In case memory resources for *buf* and *paths* were allocated, jump to
*out* and release them before return.

Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Gustavo A. R. Silva <gustavo@...eddedor.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Addresses-Coverity-ID: 1444328 ("Resource leak")
Fixes: 6f3da20e151f ("perf report: Support builtin perf script in scripts menu")
Link: http://lkml.kernel.org/r/20190408162748.GA21008@embeddedor
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 tools/perf/ui/browsers/scripts.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c
index 27cf3ab88d13f..f4edb18f67ec9 100644
--- a/tools/perf/ui/browsers/scripts.c
+++ b/tools/perf/ui/browsers/scripts.c
@@ -131,8 +131,10 @@ static int list_scripts(char *script_name, bool *custom,
 		int key = ui_browser__input_window("perf script command",
 				"Enter perf script command line (without perf script prefix)",
 				script_args, "", 0);
-		if (key != K_ENTER)
-			return -1;
+		if (key != K_ENTER) {
+			ret = -1;
+			goto out;
+		}
 		sprintf(script_name, "%s script %s", perf, script_args);
 	} else if (choice < num + max_std) {
 		strcpy(script_name, paths[choice]);
-- 
2.20.1



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