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 4C709C4321E for ; Thu, 12 May 2022 13:26:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354371AbiELN0q (ORCPT ); Thu, 12 May 2022 09:26:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354375AbiELN0m (ORCPT ); Thu, 12 May 2022 09:26:42 -0400 Received: from mail-oa1-x31.google.com (mail-oa1-x31.google.com [IPv6:2001:4860:4864:20::31]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8BCF49F82 for ; Thu, 12 May 2022 06:26:36 -0700 (PDT) Received: by mail-oa1-x31.google.com with SMTP id 586e51a60fabf-e93bbb54f9so6557943fac.12 for ; Thu, 12 May 2022 06:26:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=+qXYGHJV7s/qc8a2bttGMmvI6F9hk+zqKIrq4cJ0DmU=; b=p5qo31Endpk0PNn9e3rHVmQRh3VEa3O+meW4Q3NJCquH/Bm4gLrkYGb1x+F+vr7niZ fYnIba2uOcs1Mp4BRPiMc/BzFDOPCpiPIoo/Pfvc/RzY1k+KZf15Fpa4ioTFzJa+cfME laxB9eNk8zRL8kYdh7hrekiB0RSi+H2isqG1wMpPiAQJgCFdlck0g2RU0kPdPu2HpDB0 d1l/hnCcOzfh2I+JFwbCtPM683VJgw2Dnn8T7IegJqIzc4gPZ1QQnzajBbZwucJ940B1 FIzaqIF+EDSX9LkV2zQwBPOM1sAVIA74Vm6E0cg4+5wCR5h/S3M4tqfXZea/Mu3xvluy clfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=+qXYGHJV7s/qc8a2bttGMmvI6F9hk+zqKIrq4cJ0DmU=; b=ERvnhBUXpHPRcYMuw7WCfUA4yV4zoGqb3N457lNny315lJ6jdvT1LaL7LSSodambT4 rW/ZPSC/gb6GxYqW85doJAMcYQG1kQau7yn2B/D1phvsMNSzYidncAje+nRBjPkPyWyk 9w4wfOSydB0OZ2NlvmVrbV3dWBb7vWh1xmWPJ11DTiSHPQSS+TAA9uzwIHTl2Ov/zfxa fn6Rnrq/Lf1y9is3kFsfa8+SkO/ydf1mjRCSQfdK3rAPU0Cb9NAfkQm4XtqEgmGMSAsA pSI5UKt4QbzDi0lw8su3IKK+ilyc6vc1EaFT+IdzwUujYuzOdURZXvV48+syi0t0+VBP /fpw== X-Gm-Message-State: AOAM532u54fmgCIQHSeXFrQs+WBoTPVRUGaUThgsVI6JGTWmIWOLfA2e a3dIP+20pHFj+p+//Jyl6E/hfupnCwpWSSbl9x+cNg== X-Google-Smtp-Source: ABdhPJxa1sYZ9ij0YDVXf2N9J+toT0J5aHixWE1j06eRnE3ey2ZaFodcwSgEd8WzFVTLnKccj4vh5912hBbCQAH4Efc= X-Received: by 2002:a05:6870:d254:b0:db:12b5:da3 with SMTP id h20-20020a056870d25400b000db12b50da3mr5505714oac.211.1652361995905; Thu, 12 May 2022 06:26:35 -0700 (PDT) MIME-Version: 1.0 References: <0000000000001779fd05a46b001f@google.com> <0000000000006574b705dbe3533f@google.com> In-Reply-To: <0000000000006574b705dbe3533f@google.com> From: Dmitry Vyukov Date: Thu, 12 May 2022 15:26:25 +0200 Message-ID: Subject: Re: [syzbot] INFO: task hung in linkwatch_event (2) To: syzbot Cc: allison@lohutok.net, andrew@lunn.ch, aviad.krawczyk@huawei.com, axboe@kernel.dk, davem@davemloft.net, gregkh@linuxfoundation.org, hdanton@sina.com, io-uring@vger.kernel.org, johannes.berg@intel.com, johannes@sipsolutions.net, kuba@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, linyunsheng@huawei.com, luobin9@huawei.com, netdev@vger.kernel.org, pabeni@redhat.com, phind.uet@gmail.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, viro@zeniv.linux.org.uk, xiaoguang.wang@linux.alibaba.com Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 5 Apr 2022 at 09:38, syzbot wrote: > > syzbot suspects this issue was fixed by commit: > > commit 563fbefed46ae4c1f70cffb8eb54c02df480b2c2 > Author: Nguyen Dinh Phi > Date: Wed Oct 27 17:37:22 2021 +0000 > > cfg80211: call cfg80211_stop_ap when switch from P2P_GO type > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1048725f700000 > start commit: dd86e7fa07a3 Merge tag 'pci-v5.11-fixes-2' of git://git.ke.. > git tree: upstream > kernel config: https://syzkaller.appspot.com/x/.config?x=e83e68d0a6aba5f6 > dashboard link: https://syzkaller.appspot.com/bug?extid=96ff6cfc4551fcc29342 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11847bc4d00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1267e5a0d00000 > > If the result looks correct, please mark the issue as fixed by replying with: > > #syz fix: cfg80211: call cfg80211_stop_ap when switch from P2P_GO type Looks possible: #syz fix: cfg80211: call cfg80211_stop_ap when switch from P2P_GO type