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 5D4A2C433EF for ; Sat, 27 Nov 2021 17:13:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1355747AbhK0RQ1 (ORCPT ); Sat, 27 Nov 2021 12:16:27 -0500 Received: from mail-il1-f197.google.com ([209.85.166.197]:35437 "EHLO mail-il1-f197.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234167AbhK0RO1 (ORCPT ); Sat, 27 Nov 2021 12:14:27 -0500 Received: by mail-il1-f197.google.com with SMTP id m9-20020a056e021c2900b002a1d679b412so6611033ilh.2 for ; Sat, 27 Nov 2021 09:11:12 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:in-reply-to:message-id:subject :from:to; bh=K+yxiNRvoRZS9pRMwE6nb/0gBHDc0Ghntu/MPpY6soc=; b=h/CD06n//kbno4wuM5H+JztfSm1dnOQ2olcVcWoDOhcbbnUpt/fOHlhl39DflZbf15 RAg4Uw86dy2hAqQx1knOArV2fhRqGyfKrOWy17J6PeTlLUgFJmpUtk9GO7skCviuHIZI SZxSeagd2NBAEbjT+eZZJouddhkv9GxRR933L1vLpEI64OcV3JKkv/DuFHR3swVOTKsX PjicdaIYDF1BqsqUDJ9CCRHsf3vNwldGOItKO9v6ieSKl9ForTJ+fHqeGeSTlzG5+kD6 vvSoP2Mpse1AfYrnsc/mlEXZYLEB7RJ+fSmLp7K+KTV9GQAAlA5YhbV4lhns5uuI9MF+ T2mw== X-Gm-Message-State: AOAM532O0DvsavShvAurBY7Rq1p3kQ3l00ChKOWVYGFf7yK5L3fcNtij bRY8MvKq2VYd+pEyFPe2yBEbU/fo7TPyHKVn7fjiGVUhf9Mp X-Google-Smtp-Source: ABdhPJxN9Miw3DqoHDLxUvrACmzL4ogERn4NVrpIgHCvzKvRM+ZyHHT1Pr+qY94keK/uOJQGLs4hNy1ZU9EM9VemVO9Q28CuOl5v MIME-Version: 1.0 X-Received: by 2002:a05:6e02:216b:: with SMTP id s11mr15014619ilv.228.1638033072609; Sat, 27 Nov 2021 09:11:12 -0800 (PST) Date: Sat, 27 Nov 2021 09:11:12 -0800 In-Reply-To: <0000000000003544c405c8a3026a@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000006c5f7705d1c84b93@google.com> Subject: Re: [syzbot] INFO: rcu detected stall in newstat From: syzbot To: bp@alien8.de, hpa@zytor.com, jmattson@google.com, joro@8bytes.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mchehab+huawei@kernel.org, mingo@redhat.com, pbonzini@redhat.com, rajatasthana4@gmail.com, sean@mess.org, seanjc@google.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, vkuznets@redhat.com, wanpengli@tencent.com, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org syzbot suspects this issue was fixed by commit: commit 476db72e521983ecb847e4013b263072bb1110fc Author: Rajat Asthana Date: Wed Aug 18 20:31:10 2021 +0000 media: mceusb: return without resubmitting URB in case of -EPROTO error. bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c58e09b00000 start commit: 7e96bf476270 Merge tag 'for-linus' of git://git.kernel.org.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=1dee114394f7d2c2 dashboard link: https://syzkaller.appspot.com/bug?extid=84ef57449019b1be878d syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12f2aac9d00000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=15470c66300000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: media: mceusb: return without resubmitting URB in case of -EPROTO error. For information about bisection process see: https://goo.gl/tpsmEJ#bisection