Re: Null-ptr-deref due to "vfs, fsinfo: Add an RCU safe per-ns mount list"

[Stephen Rothwell]

Hi all,

On Wed, 24 Jun 2020 11:57:07 -0400 Qian Cai <cai@xxxxxx> wrote:
>
> On Wed, May 13, 2020 at 12:29:52AM +0100, David Howells wrote:
> > Qian Cai <cai@xxxxxx> wrote:
> >   
> > > Reverted the linux-next commit ee8ad8190cb1 (âvfs, fsinfo: Add an RCU safe per-ns mount listâ) fixed the null-ptr-deref.  
> > 
> > Okay, I'm dropping this commit for now.  
> 
> What's the point of re-adding this buggy patch to linux-next again since
> 0621 without fixing the previous reported issue at all? Reverting the
> commit will still fix the crash below immediately, i.e.,
> 
> dbc87e74d022 ("vfs, fsinfo: Add an RCU safe per-ns mount list")

I have added a revert of that commit to linux-next today.

-- 
Cheers,
Stephen Rothwell

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