linux-kernel - Re: [PATCH v2] erofs: fix invalid unmapped accesses in z_erofs_fill_inode

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Message-ID: <Y0Bl+G1uXaH2Au5N@debian>
Date:   Sat, 8 Oct 2022 01:46:32 +0800
From:   Gao Xiang <xiang@...nel.org>
To:     Yue Hu <zbestahu@....com>
Cc:     xiang@...nel.org, chao@...nel.org, linux-erofs@...ts.ozlabs.org,
        linux-kernel@...r.kernel.org, zhangwen@...lpad.com,
        Yue Hu <huyue2@...lpad.com>
Subject: Re: [PATCH v2] erofs: fix invalid unmapped accesses in
 z_erofs_fill_inode_lazy()

On Wed, Oct 05, 2022 at 09:35:28AM +0800, Yue Hu wrote:
> From: Yue Hu <huyue2@...lpad.com>
> 
> Note that we are still accessing 'h_idata_size' and 'h_fragmentoff'
> after calling erofs_put_metabuf(), that is not correct. Fix it.
> 
> Fixes: ab92184ff8f1 ("erofs: add on-disk compressed tail-packing inline support")
> Fixes: b15b2e307c3a ("erofs: support on-disk compressed fragments data")
> Signed-off-by: Yue Hu <huyue2@...lpad.com>

Reviewed-by: Gao Xiang <hsiangkao@...ux.alibaba.com>

Thanks,
Gao Xiang