Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 419E9315D49; Sat, 12 Sep 2026 12:56:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789217770; cv=none; b=ZMPNcj/nM5/F/dhWQKgIVf2cyLrkHpfXuGYfQc0EHPwnbIia5FxHp6Zuf1fFXRyZ29a9IBKWOdnrFoehD8ODVAX3b/yTqsBh2bySxprJXTlvQPibrghNStfL5tu4UAJW8TUNths5t9bjInYdprTdyN2pT7EbnTwXJ3fGSKkUd5c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789217770; c=relaxed/simple; bh=CTmsvavft8q1vRBFpToSCgbyiImG66h1RsbmLGGtLO4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=tvPGbz+DN93T8pVfrcrNsNzdUEo8iCU2Jx/Sy3oxv1RJbzsRC88/7mF2Yg4XNJXsU28qWKgk+bv5qIdjj0DOBHgkrse0VV3ERcM2Fz2XRQJTVxg3N3IPbf7ivcRpcv/M7PsOFRZwxC/Rla51w7myxZJBJnL7xQZL7emzcedtK5c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=NUpJrZDB; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="NUpJrZDB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1E5471F000FF; Sat, 12 Sep 2026 12:56:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789217769; bh=7wpsS/5zGjlpY8bbVRffbj5wCZzH0Zp1/obXDiq2rV0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=NUpJrZDBg1W1fK0AiZFvyewsxj0ZKSEqaqIwdFe1nbq1XWHqbX+tTUCc7e3V2wc7O uwkVvoUcgvmZElTAQdWUIMPQHYSKa/kN5QgHwyFJEdE6S3hmQ29MpFSBzXTUh0u/VC HGXnVcPvPxJx2EFMQLS73wp3H98Qo5uSeAA63ork= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Ian Rogers , Namhyung Kim , Sasha Levin Subject: [PATCH 6.12 1006/1376] perf stat: Fix evsel_list leak in cmd_stat Date: Sat, 12 Sep 2026 08:57:12 +0200 Message-ID: <20260912065629.986085858@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065607.535295758@linuxfoundation.org> References: <20260912065607.535295758@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.12-stable review patch. If anyone has any objections, please let me know. ------------------ From: Ian Rogers [ Upstream commit 340641a4b5fff4f4b12261c9d92169f6e2ea11f4 ] Fix a memory leak in cmd_stat() where evsel_list is leaked if an error occurs while opening the output file. Assisted-by: Antigravity:gemini-3.1-pro Fixes: 361c99a661a7 ("perf evsel: Introduce perf_evlist") Signed-off-by: Ian Rogers Signed-off-by: Namhyung Kim Signed-off-by: Sasha Levin --- tools/perf/builtin-stat.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index e476598de8083..34c7cfdfec2dd 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -2648,7 +2648,8 @@ int cmd_stat(int argc, const char **argv) output = fopen(output_name, mode); if (!output) { perror("failed to create output file"); - return -1; + status = -1; + goto out; } if (!stat_config.json_output) { clock_gettime(CLOCK_REALTIME, &tm); @@ -2659,7 +2660,8 @@ int cmd_stat(int argc, const char **argv) output = fdopen(output_fd, mode); if (!output) { perror("Failed opening logfd"); - return -errno; + status = -errno; + goto out; } } @@ -2668,7 +2670,8 @@ int cmd_stat(int argc, const char **argv) parse_options_usage(stat_usage, stat_options, "o", 1); parse_options_usage(NULL, stat_options, "log-fd", 0); parse_options_usage(NULL, stat_options, "interval-clear", 0); - return -1; + status = -1; + goto out; } stat_config.output = output; -- 2.53.0