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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86F71C433EF for ; Thu, 17 Feb 2022 16:50:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243428AbiBQQu1 (ORCPT ); Thu, 17 Feb 2022 11:50:27 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:42776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243184AbiBQQu0 (ORCPT ); Thu, 17 Feb 2022 11:50:26 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 24B8BD994E for ; Thu, 17 Feb 2022 08:50:11 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id BED006172E for ; Thu, 17 Feb 2022 16:50:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 27206C340E9; Thu, 17 Feb 2022 16:50:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645116610; bh=grj+xejRb3IKt7uLrJ/rwSlGtKBWgQG/afbv3l4dhqw=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=b89HSmbO8yvk9peWHvBk+MovG8qk6WnwJwmbOHW47RYMaNCHwDWb/4/eGVYSzGAT2 XC2XOSqsWWf3LdqhJZQrAGK1s4IGBPkxOItwrnwhh33zPkcHcp271Fs0rEQHtjRN2h 4iwz1mdfyHCq2/msPkzPDjVEy3V0f7pGNLMkuQ6h5kJzXex/NsKl2ctZeTL6xJcDf/ uhDVsb35dvv+TEsh5kuRA2ooC3NuCyoQIyxZb+Qx41d/gkJsH0jMYpi3yUE4U6Spuk tAKl9VM88oGy0j3L2+DdkNCedV5Gs0UwMQK787LnZDjWZx0wog4ymuWSt6n3J3joxo TW9grfLvA6unQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id 0EB7DE7BB08; Thu, 17 Feb 2022 16:50:10 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] ipv6/addrconf: ensure addrconf_verify_rtnl() has completed From: patchwork-bot+netdevbpf@kernel.org Message-Id: <164511661005.9378.5051264826164600253.git-patchwork-notify@kernel.org> Date: Thu, 17 Feb 2022 16:50:10 +0000 References: <20220216182037.3742-1-eric.dumazet@gmail.com> In-Reply-To: <20220216182037.3742-1-eric.dumazet@gmail.com> To: Eric Dumazet Cc: davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org, dsahern@kernel.org, edumazet@google.com, syzkaller@googlegroups.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (master) by Jakub Kicinski : On Wed, 16 Feb 2022 10:20:37 -0800 you wrote: > From: Eric Dumazet > > Before freeing the hash table in addrconf_exit_net(), > we need to make sure the work queue has completed, > or risk NULL dereference or UAF. > > Thus, use cancel_delayed_work_sync() to enforce this. > We do not hold RTNL in addrconf_exit_net(), making this safe. > > [...] Here is the summary with links: - [net-next] ipv6/addrconf: ensure addrconf_verify_rtnl() has completed https://git.kernel.org/netdev/net-next/c/be6b41c15dc0 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html