From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f69.google.com (mail-io1-f69.google.com [209.85.166.69]) (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 97DBA4A01 for ; Tue, 29 Jul 2025 04:47:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.69 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753764426; cv=none; b=u9CMCnslc1CICcHm9ZJPA6lE60EX8UBcv5xjqgHVwmIdgdb4brIHVYC5AFFc/zT1zqXDsCdbc3Rdi+zzpQVQHasOq8Cm3F9kcCbWlwGVxD7bKI/ABBYpgEQx2DFgB2Q0+50gnN9p9EuGH8QfXxC4yIBw+FZixIvKdShW3xKh5Xs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753764426; c=relaxed/simple; bh=F9qogi6VpHQCHUEQDmC7FTZNS81hv+ghQg1nqkYyyTc=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=e3pq4a1FCcScaTsxGufqicssePq+E9GqY4BiQvkOtVk35a+ZbJeczDA9o9kLDrNCk37iwYbAS4HbNp9xnCVC92RFdEgxV6x/PVEIDtjJ1YY0rctyMIrniQD7zPiXgeHiR9/erEYJh1MEGx1eQlrnd5EePGfwe2xsy0hKwy2w6Js= 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=209.85.166.69 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-f69.google.com with SMTP id ca18e2360f4ac-8649be94fa1so1064288739f.0 for ; Mon, 28 Jul 2025 21:47:04 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1753764424; x=1754369224; 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=DE37bBcNfqDRgiBWzg/hRcBvVxig85zs1eJLgiJraNw=; b=HHojSpSZrOzjLtRB7fy0It3qC/Ju/ZncWUWIoUkIUusKS0TOx51ITn89vWCdKV1F+v 8/A0jcz6fCDBZf3w4wEWjmqR7fXhedbpHHBn988P7ZUS5weTJxhxTGOjbJKoYyHzvJEu 4M2xry194lTT45OviCwi1T2746DNvgOTZtLvKIq516ujhDJF6a8pphbs2ZhqYWS+s5IM Cv7nMVk+Fizu51oYpJC6FfgTLhAt+U0k9Hx5SB9SB3bCWbu3L8Q+6jdfEJYvkE8QALLW 1hIJS6M+CfMPbxNezmmtzMZT2ErfBAl2JX1m6YqVp8aAWinFa0W7vj3XmY+5J0yhjUS2 uKHg== X-Forwarded-Encrypted: i=1; AJvYcCX5Bh/a90CX5n15DOIXEgz3K3Nn7OZGrxXxRjmU7GUK5p2DIp6srfjH6bUsMF1CYqu8YHuD6wnOboGOvjw=@vger.kernel.org X-Gm-Message-State: AOJu0Yw7wcnGBdYhy5tLTchKEIDlHrRgQGt/+igR8zG1Pmxmrg70B22W 2EKe6j2oHZhTF91qpveAeGbREZ2LzcRzqjEaAb3NYMroJ8z8lTrveQ7dtj4OkCgGzgBhdu+QJKR Pa4lHkbPRzC7b8deGPjpm8n6xdd6hfflzaHAwb2E44rDy4avnlV4R+1rQA1U= X-Google-Smtp-Source: AGHT+IFE5lMR2y0yStx4KZzGwzl4aLvqSyYulQyG/1JeEaJmZqPWW6F6jKKbQJXJP1/8I2kzFAnWogq6tgMZaXw6txAxGE3H2fU/ Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:60c6:b0:87c:3990:5d27 with SMTP id ca18e2360f4ac-880228ef211mr2445116039f.9.1753764423822; Mon, 28 Jul 2025 21:47:03 -0700 (PDT) Date: Mon, 28 Jul 2025 21:47:03 -0700 In-Reply-To: <20250729010657.3326-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <68885247.a00a0220.b12ec.00c8.GAE@google.com> Subject: Re: [syzbot] [mm?] INFO: rcu detected stall in exit_to_user_mode_loop 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+2642f347f7309b4880dc@syzkaller.appspotmail.com Tested-by: syzbot+2642f347f7309b4880dc@syzkaller.appspotmail.com Tested on: commit: ae388edd Merge tag 'landlock-6.17-rc1' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=13dd1782580000 kernel config: https://syzkaller.appspot.com/x/.config?x=97ec33249d4bfda3 dashboard link: https://syzkaller.appspot.com/bug?extid=2642f347f7309b4880dc compiler: Debian clang version 20.1.7 (++20250616065708+6146a88f6049-1~exp1~20250616065826.132), Debian LLD 20.1.7 patch: https://syzkaller.appspot.com/x/patch.diff?x=133e94a2580000 Note: testing is done by a robot and is best-effort only.