linux-kernel - Re: [PATCH] fuse: zero folio correctly in fuse_notify

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Message-ID: <20241021205959.GA2689703@perftesting>
Date: Mon, 21 Oct 2024 16:59:59 -0400
From: Josef Bacik <josef@...icpanda.com>
To: Hou Tao <houtao@...weicloud.com>
Cc: linux-fsdevel@...r.kernel.org, Miklos Szeredi <miklos@...redi.hu>,
	linux-kernel@...r.kernel.org, houtao1@...wei.com
Subject: Re: [PATCH] fuse: zero folio correctly in fuse_notify_store()

On Mon, Oct 21, 2024 at 08:59:55PM +0800, Hou Tao wrote:
> From: Hou Tao <houtao1@...wei.com>
> 
> The third argument of folio_zero_range() should be the length to be
> zeroed, not the total length. Fix it by using folio_zero_segment()
> instead in fuse_notify_store().
> 
> Reported-by: syzbot+65d101735df4bb19d2a3@...kaller.appspotmail.com
> Fixes: 5d9e1455630d ("fuse: convert fuse_notify_store to use folios")
> Signed-off-by: Hou Tao <houtao1@...wei.com>

Oops, that's my bad, thanks for fixing it Hou!

Reviewed-by: Josef Bacik <josef@...icpanda.com>

Thanks,

Josef