On Thu, 9 Dec 2021 22:59:44 +1100, Michael Ellerman wrote:
> We have a general signal fuzzer, sigfuz, which can modify the MSR & NIP
> before sigreturn. But the chance of it hitting a kernel address and also
> clearing MSR_PR is fairly slim.
>
> So add a specific test of sigreturn to a kernel address, both with and
> without attempting to clear MSR_PR (which the kernel must block).
>
> [...]
Applied to powerpc/next.
[1/1] selftests/powerpc: Add a test of sigreturning to the kernel
https://git.kernel.org/powerpc/c/a8968521cfdc3e339fe69473d6632e0aa8d7202a
cheers
