From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6806EC7618F for ; Mon, 15 Jul 2019 14:29:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 382DA2086C for ; Mon, 15 Jul 2019 14:29:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563200949; bh=cQnQ6JVQxl+9ImpfiG/lnyZwnK4VP0BO4OxM6qtO480=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=o2NFtjW+0ZVyz1EttDBBq4wwFs3Pi6MDa3w6R0tBfzu0cr9rxYXb19k46cc8ryqN1 piu9hBPpriPWsN82j/wgOajfxVMSesB5uegaohoJQWvvGtzR8kxndX9Q2ib5fwWXcn J+RnNtMLdUmEjNNYtKme3tPfRcBvhxFDNyJO9hng= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403786AbfGOO3H (ORCPT ); Mon, 15 Jul 2019 10:29:07 -0400 Received: from mail.kernel.org ([198.145.29.99]:39986 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389334AbfGOO3F (ORCPT ); Mon, 15 Jul 2019 10:29:05 -0400 Received: from sasha-vm.mshome.net (unknown [73.61.17.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 4405F2086C; Mon, 15 Jul 2019 14:29:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563200944; bh=cQnQ6JVQxl+9ImpfiG/lnyZwnK4VP0BO4OxM6qtO480=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YyD1MBA7LUq0XaU4/kpzQ+DPgsrKZ818BA6Jy/p+6HWL7PtLIimGOhZhot9TFc1Yb kN8xfAJ+/gY89cfpKR8jISFu1mSik/7gzAJ5q22/qq2LHEhtn+4hYz5y1Ih144VCEl v7p+5pjHimVVpt1s7iTMcClZtbfmHesJfi3Ra6XY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jeremy Sowden , syzbot+d454a826e670502484b8@syzkaller.appspotmail.com, Simon Wunderlich , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 007/105] batman-adv: fix for leaked TVLV handler. Date: Mon, 15 Jul 2019 10:27:01 -0400 Message-Id: <20190715142839.9896-7-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190715142839.9896-1-sashal@kernel.org> References: <20190715142839.9896-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jeremy Sowden [ Upstream commit 17f78dd1bd624a4dd78ed5db3284a63ee807fcc3 ] A handler for BATADV_TVLV_ROAM was being registered when the translation-table was initialized, but not unregistered when the translation-table was freed. Unregister it. Fixes: 122edaa05940 ("batman-adv: tvlv - convert roaming adv packet to use tvlv unicast packets") Reported-by: syzbot+d454a826e670502484b8@syzkaller.appspotmail.com Signed-off-by: Jeremy Sowden Signed-off-by: Sven Eckelmann Signed-off-by: Sasha Levin --- net/batman-adv/translation-table.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/net/batman-adv/translation-table.c b/net/batman-adv/translation-table.c index 020a8adc4cce..2c2670b85fa9 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -3750,6 +3750,8 @@ static void batadv_tt_purge(struct work_struct *work) void batadv_tt_free(struct batadv_priv *bat_priv) { + batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_ROAM, 1); + batadv_tvlv_container_unregister(bat_priv, BATADV_TVLV_TT, 1); batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_TT, 1); -- 2.20.1