2022-03-28 21:26:06

by Greg Kroah-Hartman

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

2022-03-28 21:48:00

by Zhoujian (jay)

Subject: RE: [Question] kernfs: NULL pointer dereference in kernfs_dop_revalidate()

> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Monday, March 28, 2022 8:20 PM
> To: Zhoujian (jay) <[email protected]>
> Cc: [email protected]; [email protected]; Huangweidong (C)
> <[email protected]>; Wangjing(Hogan) <[email protected]>
> 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 for your reply, I'll have a try.