Re: [PATCH] btrfs: Do super block verification before writing it to disk

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On Mon, Apr 16, 2018 at 09:00:38PM +0800, Qu Wenruo wrote:
> 
> 
> On 2018年04月16日 20:55, Anand Jain wrote:
> > 
> > 
> > On 04/16/2018 10:02 AM, Qu Wenruo wrote:
> >> There are already 2 reports about strangely corrupted super blocks,
> >> where csum type and incompat flags get some obvious garbage, but csum
> >> still matches and all other vitals are correct.
> >>
> >> This normally means some kernel memory corruption happens, although the
> >> cause is unknown, at least detect it and prevent further corruption.
> >>
> >> Signed-off-by: Qu Wenruo <wqu@xxxxxxxx>
> >> ---
> > 
> >  Can you help point those 2 cases here?
> 
> Did you mean the reported-by tags?
> If so, no problem.

Yes please, also describe what got corrupted in the changelog, besides
the links to the bugreports.
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