[PATCH -next v2] riscv: add VMAP_STACK overflow detection

[Andreas Schwab]

On Jul 22 2021, Jisheng Zhang wrote:

> I think we need to pin the stack before calling get_wchan(), could you please
> try below patch?

Thanks, this fixes the crash for me.

Andreas.

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Andreas Schwab, schwab at linux-m68k.org
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