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 9E8BBC433EF for ; Sat, 12 Mar 2022 12:45:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231734AbiCLMqL (ORCPT ); Sat, 12 Mar 2022 07:46:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37144 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231718AbiCLMqK (ORCPT ); Sat, 12 Mar 2022 07:46:10 -0500 Received: from mail-lj1-x236.google.com (mail-lj1-x236.google.com [IPv6:2a00:1450:4864:20::236]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 799C7FFF8D; Sat, 12 Mar 2022 04:45:03 -0800 (PST) Received: by mail-lj1-x236.google.com with SMTP id u3so15648363ljd.0; Sat, 12 Mar 2022 04:45:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=V1xSnHLG9zgiX49+Lkqc7PP+pvPRmauK3yOINCXZiT0=; b=gzQkANbeOKCpGahQesW5kij+w4r/Q/pZb/B/WI3TKRp0jsE5WLMZ37i7eS6nJBnVOc qQ2VL/KeyAP+3fg17f573lu9D7JhDw1T81eqLT5PYiZGClKBJQds1Z4C4mCZR1yF1IgA BQebjEfvbhWF/xEEetr3nPRaxTNuUZp2QEPCfBlMzQkyW+krUbDc5EcjkMkYrY7IPKNX KmH/3DWxdRIc8A9CLqOMBOiRQcENdG1e5aOblNo6Lnj3lXqy8fDY7EHV4c6wtFXRO9VW yh+aiE0uza6RtFl1zZJ0MuhXXj2FLWI9kBE5uL5qhHfgl4V9W2zauoCwa2BPI0xrhY8W A2uA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=V1xSnHLG9zgiX49+Lkqc7PP+pvPRmauK3yOINCXZiT0=; b=Dw0ORDnl9zRAJEIqRYX9rSXo2R8cLcIrhdbEXr816GxIZuHYU9mE3wFf3v2riDzUWO wsE2Sii1Cd3zoBvTdsbSU6XX+MT5rmcBN7HWgbCNYXEx4iHT7ALNXAC7PkYk1dSXv/9J nJGXbxpB7KfxUM7BhhvS4Aod/aJ+E5HAfxFdyRgtn7JWPkICjpjGl8htQMvGFdCalVm7 FcznMkA2pPDG4Bw0jQhdVefKpIdCNFw4gglu63Wu52yfl/BYbF5v65HyIYP0wgPmvU3d WAtJ1rkoLWOv+K2/TKve5jv/rYW9YAfYnfS9hOR7JPlUblBj1W+rDZesy5poHukzr3N7 lPcQ== X-Gm-Message-State: AOAM530TcmqAXgg25UK2C//ltfUG5unUbOq8hYjYKaoUOTnTDLwJY5KT PvQgWY79DNxs2K8nazLIejo= X-Google-Smtp-Source: ABdhPJxYGvMqOxiWujG324fhtfAJMMUCOJSBJK8x3WXl/sumDJN4Mp0F8lwFJqlZXYKPSE3e6A9CKg== X-Received: by 2002:a05:651c:506:b0:22d:b44b:113e with SMTP id o6-20020a05651c050600b0022db44b113emr8782690ljp.32.1647089101094; Sat, 12 Mar 2022 04:45:01 -0800 (PST) Received: from [192.168.1.11] ([94.103.229.107]) by smtp.gmail.com with ESMTPSA id j7-20020a2e3c07000000b00247fd2f7f46sm2417945lja.47.2022.03.12.04.44.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 12 Mar 2022 04:45:00 -0800 (PST) Message-ID: <9f4287ae-21f6-5c2a-fed7-6cc7606c7e8c@gmail.com> Date: Sat, 12 Mar 2022 15:44:58 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.1 Subject: Re: [syzbot] INFO: task hung in port100_probe Content-Language: en-US To: Hillf Danton Cc: Krzysztof Kozlowski , Alan Stern , syzbot , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <20220310084247.1148-1-hdanton@sina.com> <20220311053751.1226-1-hdanton@sina.com> <20220312005624.1310-1-hdanton@sina.com> <20220312115854.1399-1-hdanton@sina.com> From: Pavel Skripkin In-Reply-To: <20220312115854.1399-1-hdanton@sina.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hi Hillf, On 3/12/22 14:58, Hillf Danton wrote: > On Sat, 12 Mar 2022 13:36:15 +0300 Pavel Skripkin wrote: >> On 3/12/22 03:56, Hillf Danton wrote: >> >> upstream branch already has my patch: see commit >> >> f80cfe2f26581f188429c12bd937eb905ad3ac7b. >> >> >> > Thanks for your fix. >> > >> >> let's test previous commit to see if my really fixes this issue >> >> >> >> #syz test: >> >> git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git >> >> 3bf7edc84a9eb4007dd9a0cb8878a7e1d5ec6a3b3bf7edc84a9eb4007dd9a0cb8878a7e1d5ec6a3b >> > >> > Given the Reported-and-tested-by tag in syzbot's echo [1], can you try and >> > bisect the curing commit in your spare cycles? >> > >> > Hillf >> > >> > [1] https://lore.kernel.org/lkml/00000000000002e20d05d9f663c6@google.com/ >> > >> >> Hm, that's odd. Last hit was 4d09h ago and I don't see related patches > > Wonder if you mean it was reproduced four days ago by "Last hit was 4d09h ago". Yes, exactly. > If it was then can you share the splat? Anything different from the > syzbot report [2] on Tue, 22 Jun 2021? > IIRC syzbot tests on top of newest updates. I.e. last time syzbot reproduced this issue on top of v5.17-rc7 at least. So fix commit should somewhere between v5.17-rc7..HEAD With regards, Pavel Skripkin