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 6EB49C77B76 for ; Fri, 21 Apr 2023 14:30:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232662AbjDUOac (ORCPT ); Fri, 21 Apr 2023 10:30:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37804 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232672AbjDUOab (ORCPT ); Fri, 21 Apr 2023 10:30:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6984C4208; Fri, 21 Apr 2023 07:30:21 -0700 (PDT) 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 EB00865115; Fri, 21 Apr 2023 14:30:20 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 4E132C4339E; Fri, 21 Apr 2023 14:30:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1682087420; bh=XkSRCl4pm8QYQSm1T8SDW1cOijVfZ0Oc2M42i7GWBqM=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=t5+mg9REPnhTsXNHxfcogMlcc9a5OW7+SivUAVpyWGNsoUOdHPXHoBEFFi+E1YjtZ d7+Jpl0aOGAdyP2sCcQvLIe4/8h4bxY/BlWfKODM6L1GGFhP/Xoomb0SavIaf/Eq8A 2xl3trdrkFAHuw6qtBx/0qWxmMqtdfB61XI83FCu1+e59KOYeyBkUWmU7jmE40BER5 /i8tU10YV5mjKYze+Aux46nkDljrZbwY2dGYheRShwlGswA/MCNO5LW4VF+exYxDx6 KYYD+FrV9RmguII3lJw9pJTWtopjvVBmAhNICi1ILKBz8Fqjk1Ur4W/J3Nwgmo8Hb6 pkvuTqSSX1qNA== 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 326D7C561EE; Fri, 21 Apr 2023 14:30:20 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next] bpf: Fix race between btf_put and btf_idr walk. From: patchwork-bot+netdevbpf@kernel.org Message-Id: <168208742020.30048.9386706017347251927.git-patchwork-notify@kernel.org> Date: Fri, 21 Apr 2023 14:30:20 +0000 References: <20230421014901.70908-1-alexei.starovoitov@gmail.com> In-Reply-To: <20230421014901.70908-1-alexei.starovoitov@gmail.com> To: Alexei Starovoitov Cc: davem@davemloft.net, daniel@iogearbox.net, andrii@kernel.org, martin.lau@kernel.org, fw@strlen.de, eddyz87@gmail.com, davemarchevsky@meta.com, netdev@vger.kernel.org, bpf@vger.kernel.org, kernel-team@fb.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to bpf/bpf-next.git (master) by Daniel Borkmann : On Thu, 20 Apr 2023 18:49:01 -0700 you wrote: > From: Alexei Starovoitov > > Florian and Eduard reported hard dead lock: > [ 58.433327] _raw_spin_lock_irqsave+0x40/0x50 > [ 58.433334] btf_put+0x43/0x90 > [ 58.433338] bpf_find_btf_id+0x157/0x240 > [ 58.433353] btf_parse_fields+0x921/0x11c0 > > [...] Here is the summary with links: - [bpf-next] bpf: Fix race between btf_put and btf_idr walk. https://git.kernel.org/bpf/bpf-next/c/acf1c3d68e9a You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html