From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f72.google.com (mail-io1-f72.google.com [209.85.166.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 825077DA97 for ; Sat, 17 Aug 2024 12:23:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.72 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723897384; cv=none; b=c8M+6Rf/VrNHB61sFk6B+4NTVqStwKM1c3pHk57PArRp5EzlqnX8dThC3z84DekAi/zNeME3+g79wpwCylVl1Jc0gJIF6B2330sGVlob1Jl+5VDsDZYgldYs4P3uW16fTtH1Q2qYH/oozerHB2Sto/xmIqjHyZVJtBpxxGruH3A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723897384; c=relaxed/simple; bh=M2JFaKTsiuHqZmMXyQO+i3zGAsyICPaFJix/PeOLh9c=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=dXMtGuLrf7qrfO1kwYLpSlRx/HZnkxYQi5RClurMdEbCAiKK4PHwgQt3H7CC0ptDbOuWCJon/pqfJG8jqzlkZpLZ2KLJRcH78Kp8T3RFgrDpKl3Fm+BdU4LQhGokqfhje1ClyPiw4DrN2bseg6fTRf9huVQ/MmOWcOcujv5EEnQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.166.72 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-io1-f72.google.com with SMTP id ca18e2360f4ac-824cad19812so268362739f.1 for ; Sat, 17 Aug 2024 05:23:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1723897382; x=1724502182; 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=3DxxM8VsWF7N/zIg41gFFo5G05CE9L5PQpWvUmkqFMo=; b=VeItp0G7k1W0IyaHt1t7H/fWcdFSkpWhZ7shZ9vuwpsEcCTuSnZZYaQ4PCTkyo3C6P 9ZR1eFtlut4RDMphsjP0+VcONqKGyty7x/ilr7TSymk7UoUv1idcq3YNXwNyVDdlzyon lnhk4tm58W7xTiri5VkRaz0y86bMgSuTAd5aOK3kJUEUdswdY20PS88JwlXGQ+HBz/vS U77vdntuXKjcdZaT6KMTkw0enhQjvc49c3zb7HYbEGQ0S3m21Bkrracq8m6brDJ8vxqj RFt8sxKQFOD4VUCR8X1kOl9q/bGVWjRtk4aUGD/lGKelcm2eVQ6T8RYk0BVzxjTsgNNf NMPA== X-Forwarded-Encrypted: i=1; AJvYcCUprQHMaixfvMEGg3wxQCZjkXYIrqUMOBAKPCVmnPN0mSBf/FDJoCmVt9Z0V5brCnTSUMY5ZbFPJn1NbvvtCvcViqVdgNmC2lyQNnM3 X-Gm-Message-State: AOJu0YyytUmm36oAU2S1TEt3X5mFj/o/zeIRk38ZunepqZ9FKYaSxHti Cee8J6RqrUb+SX6nfX1RwVEog4yjWHNr0WpEom8ZIhHSdD5c+fX/XV62WeXyEY/evt2cO8zw4Pq kmSAW/DHOq6j2rMj7+SJJxdr3v29GameigXCNabVmbzkgltPHQaMDI+U= X-Google-Smtp-Source: AGHT+IEcG0BUYiKTlsLqCF8vEug/sD1qmrmr7quqUMp6NccU6cDrvA34aiQNGEz2We1eoMBA8RaozHnQWyCHarNI5Olj2OKD+TSo Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:8903:b0:4b9:26f5:3632 with SMTP id 8926c6da1cb9f-4cce1735129mr270545173.6.1723897382496; Sat, 17 Aug 2024 05:23:02 -0700 (PDT) Date: Sat, 17 Aug 2024 05:23:02 -0700 In-Reply-To: <20240817115756.672-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <0000000000001cfaf3061fe023ce@google.com> Subject: Re: [syzbot] [cgroups?] possible deadlock in task_rq_lock From: syzbot To: hdanton@sina.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-by: syzbot+ca14b36a46a8c541b509@syzkaller.appspotmail.com Tested-by: syzbot+ca14b36a46a8c541b509@syzkaller.appspotmail.com Tested on: commit: 367b5c3d Add linux-next specific files for 20240816 git tree: git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git console output: https://syzkaller.appspot.com/x/log.txt?x=16b7edf5980000 kernel config: https://syzkaller.appspot.com/x/.config?x=61ba6f3b22ee5467 dashboard link: https://syzkaller.appspot.com/bug?extid=ca14b36a46a8c541b509 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 patch: https://syzkaller.appspot.com/x/patch.diff?x=16eaba05980000 Note: testing is done by a robot and is best-effort only.