From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 80925DDAB for ; Mon, 24 Nov 2025 00:46:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763945177; cv=none; b=gFCDwh6s9TApV3juMyzOmA/BEEItT9BLd6cxgmOlmpR7+j7im3Du0uaP5N0+gDpSX5RCkLGhiexN1CqMF+jeiEvf6gHvbdTTgVlZijg9DbcTr49FcVaVGyrb231lM2tf+UAXGEDIQ8w4OkjDM64KL/92w+Yw8OYHg42n0u7/qaI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763945177; c=relaxed/simple; bh=vZ69h7RxiGdx/8SDpLCvIaJJ4DKYtE3ElxMBvbTSKCM=; h=Message-ID:Date:MIME-Version:Cc:Subject:To:References:From: In-Reply-To:Content-Type; b=GBiD6+JsS2VSqbqjgqr6su36fWvLzVlKxHCVf/xMD8CAeuO4yv3DjIAV7QgRXRuYlJaSDebXDSorv8s/E1djmVesQv/0GJ3Vz1QYidjAp3igem57MiqcP9+ac7hIgnGo2j3JzVu4TB0Z4IU/7S32YlFZsjR75ej4PDP6LX9h6MM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mp9eRl6N; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mp9eRl6N" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 83463C113D0; Mon, 24 Nov 2025 00:46:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763945177; bh=vZ69h7RxiGdx/8SDpLCvIaJJ4DKYtE3ElxMBvbTSKCM=; h=Date:Cc:Subject:To:References:From:In-Reply-To:From; b=mp9eRl6Nds74672lMNP123RvhPEDOvEUQGDsTyzzsIa3LEJPA5pUMIQt4EBVQN1ol QcB5gS7F5OBmNnzsONtdd0k+egqWJxovs1qpfnSaQVE0OPHXuQlfBMiJaKmu6VK//T t0wzKd4XBJ2tY7+B0F3NvDUXmXYxtgXsS+PL8aV4s6GRCGJ8XYpAVZRLE5B6oR+muf vRUA7ImaRuxHLKb+RNrru6shO2UEz2Jeez7+9lTdxjt8V7ijz8tBBjN4Wyjn2djKPL Smx9HOLhe+mNW8+PtwwEbrcbUJ8NtdzWI23iUzOJ5m1WU0JcprLD6w/N1tlKkpSTOp umRyN+Ef6VSEw== Message-ID: Date: Mon, 24 Nov 2025 08:46:20 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Cc: chao@kernel.org, LKML , Christian Brauner , Jan Kara , Sheng Yong Subject: Re: [PATCH v2] erofs: limit the level of fs stacking for file-backed mounts To: Gao Xiang , linux-erofs@lists.ozlabs.org References: <20251121134647.104354-1-hsiangkao@linux.alibaba.com> <20251122062332.1408580-1-hsiangkao@linux.alibaba.com> Content-Language: en-US From: Chao Yu In-Reply-To: <20251122062332.1408580-1-hsiangkao@linux.alibaba.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/22/2025 2:23 PM, Gao Xiang wrote: > Otherwise, it could cause potential kernel stack overflow (e.g., EROFS > mounting itself). > > Reviewed-by: Sheng Yong > Fixes: fb176750266a ("erofs: add file-backed mount support") > Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Thanks,