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 8F646353A9B; Thu, 2 Jul 2026 16:34:45 +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=1783010086; cv=none; b=bLDNqM41TH5dSNBEwpRUM794oeAFy83SdhwIS3/JYbct5jRMUqZQMjqLMQkmtZafncEkhwEG47LELTEbrDcvWIxsA+//0Xg3ICqiP8ciuc9RQy1oZXSDsNfb5X+aP1sQK8w0NGIjxWw8mC5MN/XqDKdqpSeEi3NXIbveE2115DU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783010086; c=relaxed/simple; bh=hMMExHE4sYDzsfIGwQCBs0JsGI1Mzaa1wQYZ9GkH0UU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=cK5pCAcdl8JlQNfB1D8qHmlQBzwRWszHS7smcZpo+4I8LcXMCQKz8AGCQnCjN8/XyUZWZtDmXFgGCTQgA9j+RPRyTQeNJ5c40YpjViUQR4x6aeXaUrcVGdEokpAs0GsYPNwEOCRUvyifpNt1olEsKB4vVm/le6sRHV/+5AC4+Bw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=t4aYKf7u; 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="t4aYKf7u" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 021341F000E9; Thu, 2 Jul 2026 16:34:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1783010085; bh=eOWYSP+xMwjqhWBZsWZy8h0MbkQJ8pGNBGGu5CKVsUw=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=t4aYKf7udHWIUff0ghLL/fxbV2Dm8bjtCht0qQj0/5xTIYBRnRGK+ahRBEdOkEAEc 4FRqP725AsJeR4b17kow5ROEtojnjJb2wrHHMYn19ftIdTd7UevetYzcWXKBVm4NcH 4p9NYDIPug1UkPFmFCSLLUTT6RJGzS9731DfVfew= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Wentao Liang , Sebastian Reichel Subject: [PATCH 6.1 103/129] power: reset: linkstation-poweroff: fix use-after-free in the linkstation_poweroff_init() Date: Thu, 2 Jul 2026 18:20:22 +0200 Message-ID: <20260702155114.275854636@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260702155112.163984240@linuxfoundation.org> References: <20260702155112.163984240@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 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Wentao Liang commit 8eec545cde69e46e9a1d2b7d915ce4f5df85b3bd upstream. Move of_node_put(dn) after the of_match_node() call, which still needs the node pointer. The node reference is correctly released after use. Fixes: e2f471efe1d6 ("power: reset: linkstation-poweroff: prepare for new devices") Cc: stable@vger.kernel.org Signed-off-by: Wentao Liang Link: https://patch.msgid.link/20260407073025.271865-1-vulab@iscas.ac.cn Signed-off-by: Sebastian Reichel Signed-off-by: Greg Kroah-Hartman --- drivers/power/reset/linkstation-poweroff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/power/reset/linkstation-poweroff.c +++ b/drivers/power/reset/linkstation-poweroff.c @@ -163,10 +163,10 @@ static int __init linkstation_poweroff_i dn = of_find_matching_node(NULL, ls_poweroff_of_match); if (!dn) return -ENODEV; - of_node_put(dn); match = of_match_node(ls_poweroff_of_match, dn); cfg = match->data; + of_node_put(dn); dn = of_find_node_by_name(NULL, cfg->mdio_node_name); if (!dn)