From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f71.google.com (mail-oo1-f71.google.com [209.85.161.71]) (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 E52BA1AF0BB for ; Sat, 28 Mar 2026 21:41:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774734065; cv=none; b=O7sCdoGT5l/i5Kj81ig2XVz0gRvQqdPRztZAMb/JBHQiymFps6v815iczOZ4GcVR/29TI30QUMct3zvFCUmQW0kNDS5DzJqSTRMGnb6av1Ka1AnJG4mZ2nvq7/pf9tdetLrAu212njZx7CnKCBynRyUZR5BfXc4WT427OiecbEs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774734065; c=relaxed/simple; bh=bL12h10HEpfGfdWgtsZvGQUfwVYvfG4d4PsXyhpn8Dw=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=ZEKl7N0muwqNcBcTcyo07jZYvz5zON7E6Zx6kiOmTMJ42roMYpMuFdlS+eojBrP/XS8CTeKu1YzLGRZLWe77nlbzRY+j6km4opq29tlaTbfW18LNO/GwVSvanFhHjq9g1cBe7Tw8HnVZMwtKU9LAM6/iku4IUPmYQtlZ/e8uf/E= 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=209.85.161.71 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-oo1-f71.google.com with SMTP id 006d021491bc7-67e0f16975dso10276243eaf.0 for ; Sat, 28 Mar 2026 14:41:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774734063; x=1775338863; 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=wL8+eiT8AbffLq91m61tYTd+b+pEPJaA32/D7HSsGjY=; b=oBbX7eFYXuZYanZOEnUKTyUBJy8bZrmEtdqZbYGIeboq/f/8NsaG+xdFKrOCUrWpdp wf2gV9i2miSAFVGstpGbdhmGoV79E65vCghM853jIwrvCz5S+bJEwPTJsqMXbit5ykDh RV1YukSmqQZfXF4Sbtod1PNXgERgBLq/tLrXGo0efMVIdQX6xYc1rJFftzcK60Go8Eh2 Eam+rDNMM+4wqZcBrDgSDDxt4nMFONFiWXZResZDDnOyTwEzvGBv4MpCam8Knhn3wKvU Q1WT10MnraaiHC0Pt6o5aUaqt/M1vXGACr4SbU+Bf/LoKk+phzjSJaYc4uZCvYNGqPyB 26mg== X-Forwarded-Encrypted: i=1; AJvYcCUZ98xW9oPZ+hJLtY+9Ew/frdNQqIoNltqi379qSjgE/k82igvVKSuNsH7LIxnzw5/ZfC0a1Jw48kG4UNZr@vger.kernel.org X-Gm-Message-State: AOJu0Yz6YuJkB07dmgz2HkZOOOP32g9N9yQXNefj8aaAD0sYiYNChr3Y ys2zuezPR2dXmuieBvRuyJp7aZLbnPH9/e1cZN+NaHWuCgYilCmpxDCPWLXYc5K9z8sbEh8yA82 crDHTkuheMmx5LUTz05k8qCYAx9pjo68f+hCxb2gNFs2PzHNydJ9QBURtFgA= Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:6008:b0:67e:1e75:7f5e with SMTP id 006d021491bc7-67e1e758528mr2056912eaf.33.1774734062997; Sat, 28 Mar 2026 14:41:02 -0700 (PDT) Date: Sat, 28 Mar 2026 14:41:02 -0700 In-Reply-To: <20260328210912.1571-1-hdanton@sina.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69c84aee.050a0220.183828.0008.GAE@google.com> Subject: Re: [syzbot] [fs?] general protection fault in __umount_mnt From: syzbot To: brauner@kernel.org, hdanton@sina.com, linux-fsdevel@vger.kernel.org, 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+e4470cc28308f2081ec8@syzkaller.appspotmail.com Tested-by: syzbot+e4470cc28308f2081ec8@syzkaller.appspotmail.com Tested on: commit: 14594a14 mount: always duplicate mount git tree: https://github.com/brauner/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=10af36da580000 kernel config: https://syzkaller.appspot.com/x/.config?x=3f75584c428d66f3 dashboard link: https://syzkaller.appspot.com/bug?extid=e4470cc28308f2081ec8 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.