GPUSWERRATA-1564 and GPUSWERRATA-1527

GPUSWERRATA-1564: Freed imported user memory can be accessed via vmap
GPUSWERRATA-1527: Userspace can trigger a data abort by using protected memory for kmap/kbase_vmap(), which can lead to DoS

Change-Id: I326d1a25cbbfb2574c48a6328ba5b0549bc14100
Provenance: https://code.ipdelivery.arm.com/c/GPU/mali-ddk/+/4939
Bug: 270579983
Signed-off-by: Guus Sliepen <gsliepen@google.com>
1 file changed