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SubjectRe: [PATCH] mm/kasan: Don't vfree() nonexistent vm_area.
On Thu, Feb 01, 2018 at 11:22:55PM +0300, Andrey Ryabinin wrote:
> >> + vm = find_vm_area((void *)shadow_start);
> >> + if (vm)
> >> + vfree((void *)shadow_start);
> >> + }
> >
> > This looks like a complicated way to spell 'is_vmalloc_addr' ...
> >
>
> It's not. shadow_start is never vmalloc address.

I'm confused. How can you call vfree() on something that isn't a vmalloc
address?

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