linux-kernel - Re: [Question] kernfs: NULL pointer dereference in kernfs_dop

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Date:   Mon, 28 Mar 2022 14:19:48 +0200
From:   "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>
To:     "Zhoujian (jay)" <jianjay.zhou@...wei.com>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "tj@...nel.org" <tj@...nel.org>,
        "Huangweidong (C)" <weidong.huang@...wei.com>,
        "Wangjing(Hogan)" <hogan.wang@...wei.com>
Subject: Re: [Question] kernfs: NULL pointer dereference in
 kernfs_dop_revalidate()

On Mon, Mar 28, 2022 at 11:59:49AM +0000, Zhoujian (jay) wrote:
> Hi,
> 
> We met a kernel panic during boot the new kernel using kexec, the kernel version
> is 4.18.0(with some our changes), here is the stack:

4.18.0 is _VERY_ old and obsolete, sorry.  Can you duplicate this on
5.17?

thanks,

greg k-h