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Kevin Park 07dbeefe8f GPUCORE-36665 Fix OOB issue on KBASE_IOCTL_CS_TILER_HEAP_INIT
'group_id' member of the ioctl (KBASE_IOCTL_CS_TILER_HEAP_INIT) struct
must be validated before initializing CSF tiler heap.
Otherwise out-of-boundary of memory group pools array for the CSF tiler
heap could happen and will potentially lead to kernel panic.

TI2: 933204 (DDK Precommit)
TI2: 933199 (BASE_CSF_TEST)

Bug: 259061568
Test: verified fix using poc
Provenance: https://code.ipdelivery.arm.com/c/GPU/mali-ddk/+/4766
Change-Id: I209a3d5152a34c278c17383e4aa9080aa9735822
(cherry picked from commit 55b44117111bf6a7e324301cbbf4f89669fa04c3)
2025-12-14 18:28:47 +00:00
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