From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f200.google.com (mail-oi1-f200.google.com [209.85.167.200]) (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 1B79023D7F7 for ; Fri, 16 Jan 2026 13:44:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768571045; cv=none; b=GSgLQqulxB5uMyopurHdCvXAmBQAiAlBXVRmt2iaKXishK587Bp+LeSoZBBomyy2Vn3FukZbqd47AzyIh0u4NZX5HBIY0vJ48f7baG1PaZDIOZx03kiLBePDons//SvHDgfJZfv9zTLu6IhPFS35EB8LkjmYmDZcTxO/zWtJ7co= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768571045; c=relaxed/simple; bh=JaYEZM6yWgI6Sg0RHWXWYEM58EDO1cvBO7S/WQm4FrQ=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=cuW4WFT54yN+zu+YhVGMwaFUp+cjtABaVdHYy2JaGDJTl5O8gnFWFkUQvwkDjfgHl9P14ROfchj5FKHPFLa/ZsK4gwdkXQlRtokkqcek29QULHjXZUe7vOYSc5SyJQMWy8I6IJzE349Vmbb+CuH3BrMMApPbQiSKtOFeWJ1MA6Y= 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=209.85.167.200 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-oi1-f200.google.com with SMTP id 5614622812f47-45a684d8f6aso7454755b6e.1 for ; Fri, 16 Jan 2026 05:44:03 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768571043; x=1769175843; 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=ObNAliYPyAfNrDscf+JIUAia546ZXauaiid+xM8oNYE=; b=Z6w4jIsXEUhpjPDTlr2vpohPAyoLNaM+7BIfmTa/KchqWK238xiZ97zaR3jcD1WpaT 5WX3cZ30FZwp4gNuXpvSZ4Uu+SAHxFOYeO963peBb84hWlx6WQGHffR/WKLXu0MnmQyv AoLGWQo82KM7RxiHzkNULMcihhTZ5/fMYU4JkiEi+vU+x3fxNILBrDT/2M+bemKRPuMz rXZ+8bVzt/q3z7efF92W52TLWIy2kHhcgoFfCZWRW4v6I3dxebImRWGLdhWlrq0mGKWC eqjOva0vzvC+/+DnjIT98ROk6rv6sTHMEdEmCC3QwUMYP8DFFlgAVfrnSsd40RjmfsbQ aP9g== X-Forwarded-Encrypted: i=1; AJvYcCXLiXiV4FCEbYmkzfWtKc26cqkIPveiiVoaDZcw2x1hZPSy4etWaOdtYYNkcnkO5wduwIM9Pd7+UzxGKhc=@vger.kernel.org X-Gm-Message-State: AOJu0YwGZJB2Uo+/N6ss/QIVU3X+DrfmBU8vfWVXxv9PsPQXou3rKsjf vDk55Ag3V52H4UOxje1ekJqTX2YZKOWwbDPimnGradMSpndSBmLguLXW5vg5Q113xE7nBLlh/9O yHfhRV3ktaBt4RVKKZsglhucTU/bWHKm+A5cJEYWhGr9j8kKsdoiOUwG8mag= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6808:50aa:b0:44f:ef44:9cc4 with SMTP id 5614622812f47-45c8817ac81mr3519113b6e.32.1768571043001; Fri, 16 Jan 2026 05:44:03 -0800 (PST) Date: Fri, 16 Jan 2026 05:44:02 -0800 In-Reply-To: <20260116-kostbar-blass-171a72be1845@brauner> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <696a40a2.050a0220.58bed.004d.GAE@google.com> Subject: Re: [syzbot] [fs?] possible deadlock in put_mnt_ns From: syzbot To: brauner@kernel.org, jack@suse.cz, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk 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+55fd613012e606d75d45@syzkaller.appspotmail.com Tested-by: syzbot+55fd613012e606d75d45@syzkaller.appspotmail.com Tested on: commit: e64f65a7 FOLDME git tree: https://github.com/brauner/linux.git vfs-7.0.namespace console output: https://syzkaller.appspot.com/x/log.txt?x=15fac39a580000 kernel config: https://syzkaller.appspot.com/x/.config?x=dac5329a4190a189 dashboard link: https://syzkaller.appspot.com/bug?extid=55fd613012e606d75d45 compiler: Debian clang version 20.1.8 (++20250708063551+0c9f909b7976-1~exp1~20250708183702.136), Debian LLD 20.1.8 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.