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

[Eric Lin]

On Fri, Dec 04, 2020 at 01:42:57PM +0800, Eric Te-Sheng Lin(?L?w??) 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.

Hi Palmer, kindly ping.

Thanks.
> 
> 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(-)
> 
> -- 
> 2.17.0
>