From mboxrd@z Thu Jan 1 00:00:00 1970 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 00D5634389C; Sat, 12 Sep 2026 07:41:28 +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=1789198890; cv=none; b=lZ5LtG/f4nGYMgFjwefMSsevIjwq9kbUtl4EglKWGVeaW84qcBtEzveV3YUWzjKTqucq2WbodHwWphpGL2o9VXg2JT40tZguqP87hNMW8CFBMx/Zs7hySeEuKukJQfrbGxxWKqkSBuak5lCJxU0D3bcxcQWuh2EzDipnvLHUdoY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789198890; c=relaxed/simple; bh=O5jKdJcyvSSebvEav4vQiPSUGFuA0t4M9wiZDqVWHkA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oE/cmw5ka/jRyFJNtc5yRW4ciYnf+GRDqEfDqWOPyJDJulUcJqePZtOOi3fX05f61NnDXRgZ7ZIyVBqom+jmC88j161zMGNtfP6KCGcaFYMZ9K6Ilp8cPdZpxddz7PYepuMYO/KLBqmQoFMjDD4pjdiK4Yz9SnaFqf3qicqnBVc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=NJvxOlk9; 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="NJvxOlk9" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7AA4B1F000FF; Sat, 12 Sep 2026 07:41:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789198888; bh=IVcm3PY59GBr74Qv2cCykJ4TZ6Wo7i0O/XIkL6VZOdE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=NJvxOlk9PEMItZIoa8wqVvrnEXfJaBszi0mdBlrqn6IeunD3AjINdu+ieBZ9bXAlJ OWyBJPoeI3j3sPfCwrhrNdilrjpTCBluHVakkmCTAbo2lTpdVOVCk+ISJUphQea0IU 8t8BGnEfhh3TfijkqieKUrxr1Kvc0QOMO9cF32Gc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Namhyung Kim , Sasha Levin , Swapnil Sapkal Subject: [PATCH 7.2 0456/1815] perf sched: Fix memory leaks in perf sched stats report Date: Sat, 12 Sep 2026 08:36:46 +0200 Message-ID: <20260912065659.593931952@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065648.999753832@linuxfoundation.org> References: <20260912065648.999753832@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 7.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: Namhyung Kim [ Upstream commit 60de2c6561ae57b5f2c50efecc1fa1f0081f731a ] The second pass data is not saved in the list and only used to calculate delta from the first pass. Let's free the data after use. Fixes: 5a357ae6ad63 ("perf sched stats: Add support for report subcommand") Reviewed-and-tested-by: Swapnil Sapkal Signed-off-by: Namhyung Kim Signed-off-by: Sasha Levin --- tools/perf/builtin-sched.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index a91921fb3b736..11db64ac1c122 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -4627,6 +4627,8 @@ static int perf_sched__process_schedstat(const struct perf_tool *tool __maybe_un domain_second_pass = list_first_entry(&cpu_second_pass->domain_head, struct schedstat_domain, domain_list); store_schedstat_cpu_diff(temp); + free(temp->cpu_data); + free(temp); } } else if (event->header.type == PERF_RECORD_SCHEDSTAT_DOMAIN) { struct schedstat_cpu *cpu_tail; @@ -4647,6 +4649,8 @@ static int perf_sched__process_schedstat(const struct perf_tool *tool __maybe_un } else { store_schedstat_domain_diff(temp); domain_second_pass = list_next_entry(domain_second_pass, domain_list); + free(temp->domain_data); + free(temp); } } -- 2.53.0