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 460C4C433EF for ; Wed, 18 May 2022 01:10:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233260AbiERBKU (ORCPT ); Tue, 17 May 2022 21:10:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233249AbiERBKR (ORCPT ); Tue, 17 May 2022 21:10:17 -0400 Received: from sin.source.kernel.org (sin.source.kernel.org [145.40.73.55]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9514439827; Tue, 17 May 2022 18:10:14 -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 sin.source.kernel.org (Postfix) with ESMTPS id EA60FCE1B93; Wed, 18 May 2022 01:10:12 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPS id 3028FC34117; Wed, 18 May 2022 01:10:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1652836211; bh=Mlf+JQxtcblO8vpAyrXONR6+01PBr+ZZX3N++M427so=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=tLH9Qq5+1wXfiIgl37G67W1Nw9OF6T+evhcCOZpp/5qe4yM2xnkHjyUwxCwDtvNVJ sUMSgIkknPd4jZGR1bMI9BFXo31J6Wan6A5FdUcGV98rlzxd6ZQwNBLeL2kmmCJoMM lytQZ1BlLHR0eWyK+473yZduMlEEr/22qYwZAhCgZh425072kUcUAvBfTEMuvDLahR e2+1DIu4ErzH26EgfnFkPl0EC4cYxCa9aqLetmE9DWg5lgOrPqMI5pdtiY1DrAsAoa basjqzGc024kIVqZA0SzXugKRlLRhb1fTToHCCtLD0YFWFSOEl1OdKOE6j/K42pQFp GdQ2NVj8juEBw== 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 162B6F0389D; Wed, 18 May 2022 01:10:11 +0000 (UTC) Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net v2] NFC: nci: fix sleep in atomic context bugs caused by nci_skb_alloc From: patchwork-bot+netdevbpf@kernel.org Message-Id: <165283621108.1572.15945498055980926666.git-patchwork-notify@kernel.org> Date: Wed, 18 May 2022 01:10:11 +0000 References: <20220517012530.75714-1-duoming@zju.edu.cn> In-Reply-To: <20220517012530.75714-1-duoming@zju.edu.cn> To: Duoming Zhou Cc: linux-kernel@vger.kernel.org, kuba@kernel.org, krzysztof.kozlowski@linaro.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, gregkh@linuxfoundation.org, alexander.deucher@amd.com, broonie@kernel.org, netdev@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, 17 May 2022 09:25:30 +0800 you wrote: > There are sleep in atomic context bugs when the request to secure > element of st-nci is timeout. The root cause is that nci_skb_alloc > with GFP_KERNEL parameter is called in st_nci_se_wt_timeout which is > a timer handler. The call paths that could trigger bugs are shown below: > > (interrupt context 1) > st_nci_se_wt_timeout > nci_hci_send_event > nci_hci_send_data > nci_skb_alloc(..., GFP_KERNEL) //may sleep > > [...] Here is the summary with links: - [net,v2] NFC: nci: fix sleep in atomic context bugs caused by nci_skb_alloc https://git.kernel.org/netdev/net/c/23dd4581350d You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html