linux-kernel - Re: [PATCH] staging: erofs: keep corrupted fs from crashing kernel in erofs

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Message-ID: <3f371610-71bb-03c1-ac7d-37832e475e94@huawei.com>
Date:   Fri, 29 Mar 2019 14:28:31 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Gao Xiang <hsiangkao@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
CC:     <devel@...verdev.osuosl.org>, <linux-erofs@...ts.ozlabs.org>,
        LKML <linux-kernel@...r.kernel.org>, <chao@...nel.org>,
        <weidu.du@...wei.com>, Miao Xie <miaoxie@...wei.com>,
        Gao Xiang <gaoxiang25@...wei.com>,
        "# 4 . 19+" <stable@...r.kernel.org>
Subject: Re: [PATCH] staging: erofs: keep corrupted fs from crashing kernel in
 erofs_readdir()

On 2019/3/29 4:14, Gao Xiang wrote:
> From: Gao Xiang <gaoxiang25@...wei.com>
> 
> After commit 419d6efc50e9, kernel cannot be crashed in the namei
> path. However, corrupted nameoff can do harm in the process of
> readdir for scenerios without dm-verity as well. Fix it now.
> 
> Fixes: 3aa8ec716e52 ("staging: erofs: add directory operations")
> Cc: <stable@...r.kernel.org> # 4.19+
> Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>

Reviewed-by: Chao Yu <yuchao0@...wei.com>

Thanks,