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 A4BF7CE7B05 for ; Thu, 28 Sep 2023 08:34:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231303AbjI1IeS (ORCPT ); Thu, 28 Sep 2023 04:34:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39240 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229639AbjI1IeQ (ORCPT ); Thu, 28 Sep 2023 04:34:16 -0400 Received: from mail-ot1-f72.google.com (mail-ot1-f72.google.com [209.85.210.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4FA5B7 for ; Thu, 28 Sep 2023 01:34:13 -0700 (PDT) Received: by mail-ot1-f72.google.com with SMTP id 46e09a7af769-6c4e17f37acso20037534a34.1 for ; Thu, 28 Sep 2023 01:34:13 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695890053; x=1696494853; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=5gnCChu3OPSULseuxsND/OC3A1/+wMaTTBp9NGU091g=; b=nyj3nQ+BuxOG75Uj82dHP1yEKPuPqPJOkoPIS+MM+1pyWgJqM6x/3zUShoHiO6z6/I yuw13oC8p6pNWoX29gJw4pj5huK9AqlapD+dTgWPP66jYBK/5YQedl/InETeYZ3Ig3zs fIXGF9uXWv/bUUXAylmXQsFTaw0Hf0ztMDtKxlq5Gr7+v+etIK72vOhQJ3iTUTdGtZTB eutmADYN/+AQLMk12EpykyTKh//L/FXdfq09maPkpFMSL//BgZK3O+OjOOvvE0QPK5Hk v5Ilq25YrhEazhPWy/cTMNQKZ6E+KMUjva5NVQRdnJ64cjrsIK3C7Y9nrQoYeM3LrXsg m7Nw== X-Gm-Message-State: AOJu0YzulUKHNWNQLaUu9iHWF+CfQcDuTcZbY69rMSRx8to8yyxi6vov dkjfzjZYet8JV3NJ93/7AXxBW9pzTaeQlp1+WhRaiTJZn0WP X-Google-Smtp-Source: AGHT+IF9KchoAbdBn8cAF3kwm11v8WwkvIJGdTzNT7wPWDxuCnjFJvdAMeVTMBnzh5aDQ1IM6YlCQX0DcmnNmkK7BVifFzdxX4Sb MIME-Version: 1.0 X-Received: by 2002:a05:6830:22d2:b0:6bd:b74:2dab with SMTP id q18-20020a05683022d200b006bd0b742dabmr137988otc.2.1695890053216; Thu, 28 Sep 2023 01:34:13 -0700 (PDT) Date: Thu, 28 Sep 2023 01:34:13 -0700 In-Reply-To: <0000000000003dcc9306031affdd@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000003341ba0606672c7a@google.com> Subject: Re: [syzbot] [kernel?] INFO: rcu detected stall in sys_clock_nanosleep (5) From: syzbot To: edumazet@google.com, hdanton@sina.com, jhs@mojatatu.com, linux-kernel@vger.kernel.org, michal.kubiak@intel.com, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 8c21ab1bae945686c602c5bfa4e3f3352c2452c5 Author: Eric Dumazet Date: Tue Aug 29 12:35:41 2023 +0000 net/sched: fq_pie: avoid stalls in fq_pie_timer() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12958976680000 start commit: 6709d4b7bc2e net: nfc: Fix use-after-free caused by nfc_ll.. git tree: net kernel config: https://syzkaller.appspot.com/x/.config?x=2cbd298d0aff1140 dashboard link: https://syzkaller.appspot.com/bug?extid=43cc00d616820666f675 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10858fc0a80000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14781270a80000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: net/sched: fq_pie: avoid stalls in fq_pie_timer() For information about bisection process see: https://goo.gl/tpsmEJ#bisection