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 77778470421; Tue, 25 Aug 2026 13:40:12 +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=1787665213; cv=none; b=ajnaeVndXumx5enECXnN4YRyUApNyn37O2PUGBZuCxu1yXTBmEi1SXPKm11uQE2LHnad1omyajZ8ERZV9YWBGs7zpe4t3O45nFbst4/oo/4w/x3j2G9RhAsiaH3r7/MbVqqCwGInNq51DlKvnlqYABtEpw/HYLWiJip/I6yOg0Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787665213; c=relaxed/simple; bh=ZZATGcJKCHQ++ypa95pS9B+sBGE6+/RRPIy8DXAs1is=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gfr4mvQ5Msp71FbXaJH3ai2g3xDfnabb8aXnRZIszeR3bdRCBaqie7ewg7OCw0ikySGv7uy4EkwgTgz3FpoV3D3jdjfm5hIPoYkb3LH1qg8lQJAEadWSceqDkwRk1VB0m87sTH+/fRnMCO+kGvXh9AXscrpdDBy1Uf34aR+8s/k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=Br7yJqj/; 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="Br7yJqj/" Received: by smtp.kernel.org (Postfix) with ESMTPSA id CDF041F000E9; Tue, 25 Aug 2026 13:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1787665212; bh=sGpLjzSaqciAUsUeR+svD750Vmq27U2lNco6IMyDnX8=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Br7yJqj/se6/fr//qQbBkf30c7DA1VXoAJ9hkN4Ho+PjLCpczCafydkd/s2iOLTgu PabMr3DF6C540UggWs08+I5BvIwPaHMvrpyTb2/MA/RkmaeKrnBYcvqQOeBPDCq8d0 m8uN8B0+xHenUbT9hfz8rc5pKn5YI6vVKNdFAZPE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Linmao Li , Vadim Fedorenko , David Heidelberg Subject: [PATCH 6.18 45/94] nfc: nci: free destination parameters when closing a connection Date: Tue, 25 Aug 2026 15:25:41 +0200 Message-ID: <20260825132543.675718012@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260825132541.887883084@linuxfoundation.org> References: <20260825132541.887883084@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 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Linmao Li commit 2e65bafdfd3a8bba972b3d17b6a57816557530fc upstream. When a connection is closed, nci_core_conn_close_rsp_packet() frees conn_info but not conn_info->dest_params, which is a separate devm allocation. Each connect/close cycle leaks one dest_params until the NFC device is removed. Free dest_params along with conn_info. Fixes: 9b8d1a4cf2aa ("nfc: nci: Add an additional parameter to identify a connection id") Cc: stable@vger.kernel.org Signed-off-by: Linmao Li Reviewed-by: Vadim Fedorenko Link: https://patch.msgid.link/20260721023518.1697625-1-lilinmao@kylinos.cn Signed-off-by: David Heidelberg Signed-off-by: Greg Kroah-Hartman --- net/nfc/nci/rsp.c | 1 + 1 file changed, 1 insertion(+) --- a/net/nfc/nci/rsp.c +++ b/net/nfc/nci/rsp.c @@ -336,6 +336,7 @@ static void nci_core_conn_close_rsp_pack list_del(&conn_info->list); if (conn_info == ndev->rf_conn_info) ndev->rf_conn_info = NULL; + devm_kfree(&ndev->nfc_dev->dev, conn_info->dest_params); devm_kfree(&ndev->nfc_dev->dev, conn_info); } }