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 A02B02C237E; Mon, 17 Aug 2026 14:37:32 +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=1786977454; cv=none; b=rIa9QDxNLucgkLmkg1ps/prlgp97xvnqOAk3H6Kh/7MwIPGWD3CmExg5cwmCAwhur9D9MUkpFkySN+vsP7Y4TsCRhhrUTVdo6dvlYKi0ZJoB7eqXiK5GLLvK0zULKwe9/ocCfqk/QoodhVGELvmJ5rnMCkHv1cmXZU0diM5B5Gw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786977454; c=relaxed/simple; bh=t+dBf7ssPSQSCCGH0k3nxqgt//lGg1KXEB8LuIV88kk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=dyOM820B41IdY3qIJ3CTZDKJyaBD9km3fXCZmCd+fGrALuv5JklELbYwoVtO4wjGyYwgAlRDB+eqnzJmTGAtmfOUBKvEEV1bAFHb/o0voGnySXjmitUrrWiunaJcx9ss/xuqddlGj3Scrg26y5GF3qsbrw8eG8jejYwlx08mMYE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=WvoWLzCi; 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="WvoWLzCi" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4A27D1F000E9; Mon, 17 Aug 2026 14:37:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1786977451; bh=vKP2qkHSi7DDzmwNPu/ZmNOzbCqr/02LiZ02wLBiVLQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=WvoWLzCiZ79TYewY9hoTWCvDkiPzn0V6r7/orjZqNC283SjOtymm2Vkr+iLxcj7+T C/uHGGLZWX3zl1VE3KAB0G40tEpFQ7lmS87lDEqsAGsZnjQbNLBsUN3GWLrDWTPFU9 cfd0vBtvNtoNLPI45azfE3AwXv5Haovj3KcWbsnk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Abdun Nihaal , Viresh Kumar , Zhongqiu Han , "Rafael J. Wysocki" Subject: [PATCH 5.15 334/456] cpufreq: powernow-k8: Fix possible memory leak in powernowk8_cpu_init() Date: Mon, 17 Aug 2026 15:32:04 +0200 Message-ID: <20260817132552.687908616@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260817132539.792407575@linuxfoundation.org> References: <20260817132539.792407575@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 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Abdun Nihaal commit d5f8e5f6040d052d44fcbf4f31dd35145c0c8d7d upstream. The memory allocated for data->powernow_table inside powernow_k8_cpu_init_acpi() or find_psb_table() is not freed in one of the error paths in powernowk8_cpu_init(). Fix that by adding a kfree(). Fixes: 1ff6e97f1d99 ("[CPUFREQ] cpumask: avoid playing with cpus_allowed in powernow-k8.c") Cc: stable@vger.kernel.org Signed-off-by: Abdun Nihaal Acked-by: Viresh Kumar Reviewed-by: Zhongqiu Han Link: https://patch.msgid.link/20260727093553.98246-1-nihaal@cse.iitm.ac.in Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- drivers/cpufreq/powernow-k8.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -1083,6 +1083,7 @@ static int powernowk8_cpu_init(struct cp err_out_exit_acpi: powernow_k8_cpu_exit_acpi(data); + kfree(data->powernow_table); err_out: kfree(data);