linux-kernel - Re: [PATCH] erofs: fix shift-out-of-bounds of blkszbits

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Message-ID: <b950de55-e086-c7f8-0303-6033c589619a@kernel.org>
Date:   Thu, 11 Feb 2021 09:15:44 +0800
From:   Chao Yu <chao@...nel.org>
To:     Gao Xiang <hsiangkao@....com>, linux-erofs@...ts.ozlabs.org
Cc:     syzkaller-bugs@...glegroups.com,
        LKML <linux-kernel@...r.kernel.org>,
        syzbot+c68f467cd7c45860e8d4@...kaller.appspotmail.com
Subject: Re: [PATCH] erofs: fix shift-out-of-bounds of blkszbits

On 2021/1/20 9:30, Gao Xiang via Linux-erofs wrote:
> From: Gao Xiang <hsiangkao@...hat.com>
> 
> syzbot generated a crafted bitszbits which can be shifted
> out-of-bounds[1]. So directly print unsupported blkszbits
> instead of blksize.
> 
> [1] https://lore.kernel.org/r/000000000000c72ddd05b9444d2f@google.com
> Reported-by: syzbot+c68f467cd7c45860e8d4@...kaller.appspotmail.com
> Signed-off-by: Gao Xiang <hsiangkao@...hat.com>

Sorry, I missed this patch.

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

Thanks,