From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f198.google.com (mail-il1-f198.google.com [209.85.166.198]) (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 B3CBFE574 for ; Fri, 25 Oct 2024 01:14:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.198 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729818848; cv=none; b=pl8m4beNaSYfQfrAcbReak+OhoBreqzBDuHe8d3J3xtaQ5mlZ5zXPq9wZtQOnFSL5ZPw8hZwDWbfs++zhxYj0wY3U9RsCud9oTSCYsrXaffN2HxXYMx86OnJITt4KakdG8gUFo7M0z5LkSVJvw7f2imj7+J6cBvRfA3Cd3Pu07o= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729818848; c=relaxed/simple; bh=pDpDrDPgqn1rWuPf4vWJjM/QhwM5DXeysn5Qug/olq4=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=dSsY5IytLgZUbc/MC87L+ykQrgoQzmEjQxSjvc0xRj1pTQgwtZXXopIdXI9R8fV8d/k2xBnHtt4duOETZ4f8jR/Ha6qE2L1rqfLTZMV0Lay0tQnUgke8YqVzwwVk31nQS5x0QtVim7P7Hw7tyVdZtpdaK3QmQcp5IHc2G8n90ro= 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=209.85.166.198 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-il1-f198.google.com with SMTP id e9e14a558f8ab-3a3ae775193so15436575ab.1 for ; Thu, 24 Oct 2024 18:14:06 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729818846; x=1730423646; 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=cOZsZyIJmZeHEQPVNHkWmGsoWMx76fs5Fvyz/nsiQgY=; b=EIUpck8eReAx1vQbHlbLX6pZd5NuYRpL9Kzv0Opv+bvqm8ULCkpwsOu9tYhSHb3U/N dHxil55kQAzUyq+bPp2KFGK7/Z7P+e5k3y9EecbJyKEhasKg+7xxrm90OUL5rxa4pkuW CARspWdgFk0HWjN3maMX+kmTN15dRY+jTGLW/l+H3L3cZgO8I2k6CNo3dpfgD9EY16K5 tn/UoWGcekN5eyWMVRGMicvwyvH95hbfIKv3lxtgdBbCezcEcAUbn6VfuVV83rYnysM7 JqdWcvfx63VrePnI9Vi7RpEuDLAW1oiRrUJROoQGP57XcPFErqP4/jesFHCq3CbywY1r 0knw== X-Forwarded-Encrypted: i=1; AJvYcCVDl5Fey/FxMfJB82d3uB178KUdETW+IuPs+ZFAYGejGBlKBwgRKWMKB32uEsTLWORagVg=@vger.kernel.org X-Gm-Message-State: AOJu0YwPG5OjvsP4A1aL2DPDHmfd+R6hRAuAbunHHu13eTru7xojWeVb 7d8RtlWGCSeolDiLH7AJh6DRS7PN1Llmh12XifkvH44x7aA8W8FkvCJegp0Y5oAqn2jwsTMz4f9 risc1qd/t6ydSgJK8abbq0nxwobykQ4D6GsXKU1R0R5iDxglrTT8ok0k= X-Google-Smtp-Source: AGHT+IGOjltPBrz6CEsrXS0y1SoDlaDKKPoKA5PSdGZVz6ycSLBxXb8Nnn0qnpjr6zRJ+fl8sGud8IaiQJe6+LFu8+phyUzjp/zo Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1707:b0:3a0:915d:a4a7 with SMTP id e9e14a558f8ab-3a4d592fb67mr91969855ab.2.1729818845820; Thu, 24 Oct 2024 18:14:05 -0700 (PDT) Date: Thu, 24 Oct 2024 18:14:05 -0700 In-Reply-To: <000000000000a519120616f973cb@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <671af0dd.050a0220.2eb763.00ce.GAE@google.com> Subject: Re: [syzbot] [fs] INFO: rcu detected stall in sys_mount (7) From: syzbot To: andrii@kernel.org, asmadeus@codewreck.org, ast@kernel.org, bpf@vger.kernel.org, bristot@kernel.org, daniel@iogearbox.net, eddyz87@gmail.com, ericvh@kernel.org, haoluo@google.com, john.fastabend@gmail.com, jolsa@kernel.org, juri.lelli@redhat.com, kpsingh@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, lucho@ionkov.net, martin.lau@linux.dev, peterz@infradead.org, sdf@google.com, song@kernel.org, syzkaller-bugs@googlegroups.com, v9fs@lists.linux.dev, vineeth@bitbyteword.org, yonghong.song@linux.dev Content-Type: text/plain; charset="UTF-8" syzbot suspects this issue was fixed by commit: commit 5f6bd380c7bdbe10f7b4e8ddcceed60ce0714c6d Author: Peter Zijlstra Date: Mon May 27 12:06:55 2024 +0000 sched/rt: Remove default bandwidth control bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=126a5e40580000 start commit: 3b68086599f8 Merge tag 'sched_urgent_for_v6.9_rc5' of git:.. git tree: upstream kernel config: https://syzkaller.appspot.com/x/.config?x=f47e5e015c177e57 dashboard link: https://syzkaller.appspot.com/bug?extid=de026b20f56e1598e760 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1775971b180000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1290b320980000 If the result looks correct, please mark the issue as fixed by replying with: #syz fix: sched/rt: Remove default bandwidth control For information about bisection process see: https://goo.gl/tpsmEJ#bisection