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 79146C76191 for ; Mon, 15 Jul 2019 14:45:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 51C9F20651 for ; Mon, 15 Jul 2019 14:45:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563201957; bh=yqqZV7e6Pp76TRRYXnnbhhcjAyGdslCzs4u6H2foZDg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=y/g/eNR+rb1k2yuqF50C5/ishXWb7cH4PEVdoq6OoJxvao1dOdF7L3eF33e+v+jt7 Mxva1aq3ymU6BEGAaF7g9Kfvqfyp3soN5Rlo4tErB4OzEnLcEkG+G8lqatEGExiKNg hcS8l6iStHA0Rh1YMczABmhfhhRcwmCe6VQPVzxc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405028AbfGOOpy (ORCPT ); Mon, 15 Jul 2019 10:45:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:34024 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405023AbfGOOpx (ORCPT ); Mon, 15 Jul 2019 10:45:53 -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 D8D5620651; Mon, 15 Jul 2019 14:45:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563201952; bh=yqqZV7e6Pp76TRRYXnnbhhcjAyGdslCzs4u6H2foZDg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=CGGnLXzGEgdv1wXr39V9n4O7YuJbLxlxB07tdXZeZwzJL6mUHbHbsl8Ww0O1D2kp9 P4q0e4cXc4QdKYSOJ1YDdDczpQdLpyhnAmu2+FI8Upnt+OqYPbLgpIyUWzfoTs1XUO t5+JXKxIVsfoUem31W3Cp4HD+vbGIYia5jinjMOk= 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 4.4 05/53] batman-adv: fix for leaked TVLV handler. Date: Mon, 15 Jul 2019 10:44:47 -0400 Message-Id: <20190715144535.11636-5-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190715144535.11636-1-sashal@kernel.org> References: <20190715144535.11636-1-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 f2079acb555d..ffd49b40e76a 100644 --- a/net/batman-adv/translation-table.c +++ b/net/batman-adv/translation-table.c @@ -3158,6 +3158,8 @@ 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