https://bugzilla.kernel.org/show_bug.cgi?id=220575

--- Comment #19 from JY ([email protected]) ---
(In reply to Chao Yu from comment #18)
> (In reply to JY from comment #16)
> > I tried to modified:
> > + set_page_private(bounce_page, (unsigned long)0x5566F2F5);
> > 
> > But I got two results from different panics. 
> > fscrypt_pagecache_page(page):0x000000005566f2f5 and 
> > 
> > fscrypt_pagecache_page(page):0x0000000000000000 (As shown below)
> 
> I think this is the same issue, actually, value of page->private should be
> unpredictable, because this is a UAF issue, we don't know how system changes
> the page after we freed it.
> 
> So, can you please test the fix to check whether it can solve your problem
> or not? Thanks a lot. :)

No problem, it's my pleasure. :)

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