From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 236F2349B0A; Thu, 15 Jan 2026 16:57:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768496240; cv=none; b=WfYDcx7mcaPBBDx4tY+QG9NgbtWqTZFkGDwdmj/QFp8mAvU5isTaX8l8KdCMCoAtjyZ9itCv37zswM/UK0Os0FjQJm9YaXIYpHNajQGcSRPYggmydzK5OwX3Kyz2oCf37O5yGMCF4Ej1emVZAmh0dtpujQjFV+utUiMvsWYKMyw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768496240; c=relaxed/simple; bh=hZsQA2NC2CjZRWqmwNYU63leka68y9IwtNJ2JNXK15E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ir/ksiNHZqt5LgBES6TkyaMD4PUM0sPZ6S7QWjSeNAjxiXD9kFPx2ipVVG+XkMWg1zs0C43EMBH5Yl27zpZrTNzobVN2/lliOoD79CbrtVtbd7UTybqjHARKEaoi2WuypcV1RfQOCcNk2jwB0eltmgwhYDdAlqWP3crWWTird44= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=PbWwadq1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="PbWwadq1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66331C116D0; Thu, 15 Jan 2026 16:57:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1768496239; bh=hZsQA2NC2CjZRWqmwNYU63leka68y9IwtNJ2JNXK15E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PbWwadq1u8/zYEafxMkD8oVUXFQ4eKtz3B48WjwtkX2pf21Jnc8J5q/AMh265LaPr NkIk2tzSTWnojuiuEKakU2dSzFvAZvMKytysgcNqZLcqbDbmqG26889ojyee+xPgO+ mtX9AltKmp31fDcC9ff9+6uyBaCoxLZv87hGP6wk= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Emil Tantilov , Aleksandr Loktionov , Madhu Chittim , Samuel Salin , Tony Nguyen , Sasha Levin Subject: [PATCH 6.18 126/181] idpf: fix memory leak in idpf_vport_rel() Date: Thu, 15 Jan 2026 17:47:43 +0100 Message-ID: <20260115164206.864634019@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260115164202.305475649@linuxfoundation.org> References: <20260115164202.305475649@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org 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: Emil Tantilov [ Upstream commit f6242b354605faff263ca45882b148200915a3f6 ] Free vport->rx_ptype_lkup in idpf_vport_rel() to avoid leaking memory during a reset. Reported by kmemleak: unreferenced object 0xff450acac838a000 (size 4096): comm "kworker/u258:5", pid 7732, jiffies 4296830044 hex dump (first 32 bytes): 00 00 00 00 00 10 00 00 00 10 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 00 10 00 00 00 00 00 00 ................ backtrace (crc 3da81902): __kmalloc_cache_noprof+0x469/0x7a0 idpf_send_get_rx_ptype_msg+0x90/0x570 [idpf] idpf_init_task+0x1ec/0x8d0 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30 Fixes: 0fe45467a104 ("idpf: add create vport and netdev configuration") Signed-off-by: Emil Tantilov Reviewed-by: Aleksandr Loktionov Reviewed-by: Madhu Chittim Tested-by: Samuel Salin Signed-off-by: Tony Nguyen Signed-off-by: Sasha Levin --- drivers/net/ethernet/intel/idpf/idpf_lib.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/intel/idpf/idpf_lib.c b/drivers/net/ethernet/intel/idpf/idpf_lib.c index a964e0f5891eb..04af10cfaa8cb 100644 --- a/drivers/net/ethernet/intel/idpf/idpf_lib.c +++ b/drivers/net/ethernet/intel/idpf/idpf_lib.c @@ -1082,6 +1082,8 @@ static void idpf_vport_rel(struct idpf_vport *vport) kfree(adapter->vport_config[idx]->req_qs_chunks); adapter->vport_config[idx]->req_qs_chunks = NULL; } + kfree(vport->rx_ptype_lkup); + vport->rx_ptype_lkup = NULL; kfree(vport); adapter->num_alloc_vports--; } -- 2.51.0