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 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 | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
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2.17.0
