linux-kernel - Re: [PATCH 6/6] staging: erofs: avoid endless loop of invalid lookback distance 0

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Message-ID: <a8454de9-dbee-c69c-5763-1648df730211@kernel.org>
Date:   Mon, 19 Aug 2019 22:58:04 +0800
From:   Chao Yu <chao@...nel.org>
To:     Gao Xiang <gaoxiang25@...wei.com>, Chao Yu <yuchao0@...wei.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        devel@...verdev.osuosl.org, linux-fsdevel@...r.kernel.org
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-erofs@...ts.ozlabs.org,
        Miao Xie <miaoxie@...wei.com>, weidu.du@...wei.com,
        Fang Wei <fangwei1@...wei.com>, stable@...r.kernel.org
Subject: Re: [PATCH 6/6] staging: erofs: avoid endless loop of invalid
 lookback distance 0

On 2019-8-19 18:34, Gao Xiang wrote:
> As reported by erofs-utils fuzzer, Lookback distance should
> be a positive number, so it should be actually looked back
> rather than spinning.
> 
> Fixes: 02827e1796b3 ("staging: erofs: add erofs_map_blocks_iter")
> Cc: <stable@...r.kernel.org> # 4.19+
> Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>

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

Thanks,