drm/amdkfd: Use memdup_array_user to copy data from/to user space at kfd ioctls

Several kfd ioctls need transfer array data from/to user space. Kfd driver
uses kmalloc_array with user provided size. That can oversize alloc or 32-bit
wrap with hostile value. Replace it by memdup_array_user that does overflow
checking and allocates through dedicated slab caches, also physical continuous
as kmalloc.

Signed-off-by: Xiaogang Chen <xiaogang.chen@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 4eca4742eb215951f9739ffe0122d179d545a7a4)

0 files changed, 0 insertions, 0 deletions