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 540B5C433FE for ; Thu, 30 Dec 2021 02:00:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234294AbhL3CAO (ORCPT ); Wed, 29 Dec 2021 21:00:14 -0500 Received: from dfw.source.kernel.org ([139.178.84.217]:37394 "EHLO dfw.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234245AbhL3CAM (ORCPT ); Wed, 29 Dec 2021 21:00:12 -0500 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 07C70601B6; Thu, 30 Dec 2021 02:00:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 5973AC36AEA; Thu, 30 Dec 2021 02:00:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1640829611; bh=IwDXPpq15qyXlzhI/VWCsb4u2SUzDzS9ib1rdnRI6wE=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=PeptUt65uw6STXQmDGsxHrE08OWAAUGUGSxBFPyNa4l/jZBBlGRzULk2r9Uu47ZUo qd7GDyY3saYY4snVDvkCYpjUB0PlMVCOmQONjt1E3MvOfOJ973eidgszQQN6gh0ua1 rziKLR6R6aHZlsa9M4bEQ7Ul7fPYNq7ilTY3BZk4yRSK+ML4+0YjxXcovwrgCrQNwp nFTn0sZsCRoyxKE/8CTl9ayZkEAKrH/hiM2qmVN9kYERUJ2ltgDUoBLLDu+e4YSlaj aSM+eW2Gkuya5nVnEQl8kY6b3tG3O9wfwTGvQUG4/DEkjlmcfYNVktb01Vh7af64DG QTqEQHIS1Arsg== 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 3F1A2C32795; Thu, 30 Dec 2021 02:00:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH] net: fix use-after-free in tw_timer_handler From: patchwork-bot+netdevbpf@kernel.org Message-Id: <164082961125.30206.10818426908442232767.git-patchwork-notify@kernel.org> Date: Thu, 30 Dec 2021 02:00:11 +0000 References: <20211228104145.9426-1-songmuchun@bytedance.com> In-Reply-To: <20211228104145.9426-1-songmuchun@bytedance.com> To: Muchun Song Cc: davem@davemloft.net, yoshfuji@linux-ipv6.org, dsahern@kernel.org, kuba@kernel.org, xemul@openvz.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, cong.wang@bytedance.com, fam.zheng@bytedance.com, stable@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (master) by Jakub Kicinski : On Tue, 28 Dec 2021 18:41:45 +0800 you wrote: > A real world panic issue was found as follow in Linux 5.4. > > BUG: unable to handle page fault for address: ffffde49a863de28 > PGD 7e6fe62067 P4D 7e6fe62067 PUD 7e6fe63067 PMD f51e064067 PTE 0 > RIP: 0010:tw_timer_handler+0x20/0x40 > Call Trace: > > call_timer_fn+0x2b/0x120 > run_timer_softirq+0x1ef/0x450 > __do_softirq+0x10d/0x2b8 > irq_exit+0xc7/0xd0 > smp_apic_timer_interrupt+0x68/0x120 > apic_timer_interrupt+0xf/0x20 > > [...] Here is the summary with links: - net: fix use-after-free in tw_timer_handler https://git.kernel.org/netdev/net/c/e22e45fc9e41 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html