Eric Lin 21855cac82
riscv/mm: Prevent kernel module to access user memory without uaccess routines
We found this issue in an legacy out-of-tree kernel module
which didn't properly access user space pointer by get/put_user().
Such an illegal access loops in the page fault handler.
To resolve this, let it die here.

Signed-off-by: Eric Lin <tesheng@andestech.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
2021-01-07 17:19:19 -08:00
..
2020-12-16 12:33:35 -08:00
2020-12-16 12:33:35 -08:00