Re: [PATCH v3 0/2] Let illegal access to user-space memory die

[Palmer Dabbelt]

On Thu, 03 Dec 2020 21:42:57 PST (-0800), tesheng@xxxxxxxxxxxxx wrote:
> Accesses to user-space memory without calling uaccess routine
> leads to hanging in page fault handler. Like arm64, we let it
> die earlier in page fault handler.
>
> Changes in v3:
> 	-Let no_context() use die_kernel_fault() helper
>
> Changes in v2:
>     -Add a die_kernel_fault() helper
>     -Split one long line code into two
>
> Eric Lin (2):
>   riscv/mm: Introduce a die_kernel_fault() helper function
>   riscv/mm: Prevent kernel module to access user memory without uaccess
>     routines
>
>  arch/riscv/mm/fault.c | 28 ++++++++++++++++++++++------
>  1 file changed, 22 insertions(+), 6 deletions(-)

Thanks, these will be on for-next when the merge window ends.