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 18D5DC43217 for ; Fri, 18 Nov 2022 12:40:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241889AbiKRMk1 (ORCPT ); Fri, 18 Nov 2022 07:40:27 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241733AbiKRMkU (ORCPT ); Fri, 18 Nov 2022 07:40:20 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B351E1571C; Fri, 18 Nov 2022 04:40:19 -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 ams.source.kernel.org (Postfix) with ESMTPS id 681CBB823B8; Fri, 18 Nov 2022 12:40:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 1DD05C43146; Fri, 18 Nov 2022 12:40:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1668775217; bh=LPBFgSKFD5AdIjqnCkO6K97ysfnR29SoQ+jLLCp5Hmk=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=qlqk32OhujQDCJJQHtkS+7oVHuc5WnnBANZkbwTnbMrSnlFa9uRruq/HD6kbKBk9S Hii5uzRir5+O2aXpqQtAEpW3jvwpnTDEizkgCjdaBWfuW4PmS+HHVbqrDi6eWSv6WK XGY2zBDZY5goUVCLfifAnPz4abgRYhAN5DRvhK+D3uu3lbRkcVezufg1Xo/xsec9pS 1k75RGQgqYRjPIHfbSnvKihX1QatnjardAIrDsIUbTeZMCOKdNiwxamCwCWiolc2Dq MK6pTxuX9SdWvQQGxGgyWARV8mxSICVX/SObD0+RaojdSX2vnaiVxN6Z/FDkK1pm0B QRpNSnhOnKOJQ== 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 0885FE29F44; Fri, 18 Nov 2022 12:40:17 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] mrp: introduce active flags to prevent UAF when applicant uninit From: patchwork-bot+netdevbpf@kernel.org Message-Id: <166877521703.4012.15281131262381117062.git-patchwork-notify@kernel.org> Date: Fri, 18 Nov 2022 12:40:17 +0000 References: <20221116114511.7720-1-schspa@gmail.com> In-Reply-To: <20221116114511.7720-1-schspa@gmail.com> To: Schspa Shi Cc: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, Jason@zx2c4.com, djwong@kernel.org, jack@suse.cz, hca@linux.ibm.com, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+6fd64001c20aa99e34a4@syzkaller.appspotmail.com Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (master) by David S. Miller : On Wed, 16 Nov 2022 19:45:11 +0800 you wrote: > The caller of del_timer_sync must prevent restarting of the timer, If > we have no this synchronization, there is a small probability that the > cancellation will not be successful. > > And syzbot report the fellowing crash: > ================================================================== > BUG: KASAN: use-after-free in hlist_add_head include/linux/list.h:929 [inline] > BUG: KASAN: use-after-free in enqueue_timer+0x18/0xa4 kernel/time/timer.c:605 > Write at addr f9ff000024df6058 by task syz-fuzzer/2256 > Pointer tag: [f9], memory tag: [fe] > > [...] Here is the summary with links: - mrp: introduce active flags to prevent UAF when applicant uninit https://git.kernel.org/netdev/net-next/c/ab0377803daf You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html