Description: drm/amdgpu: Fix potential out-of-bounds access in 'amdgpu_discovery_reg_base_init()'
References:
Notes:
 carnil> Introduced in a0ccc717c4ab ("drm/amdgpu/discovery: validate VCN and SDMA
 carnil> instances"). Vulnerable versions: 5.19-rc1.
Bugs:
upstream: released (6.9-rc1) [cdb637d339572398821204a1142d8d615668f1e9]
6.8-upstream-stable: released (6.8.2) [8db10cee51e3e11a6658742465edc21986cf1e8d]
6.6-upstream-stable: released (6.6.23) [8f3e68c6a3fff53c2240762a47a0045d89371775]
6.1-upstream-stable: needed
5.10-upstream-stable: N/A "Vulnerable code not present"
4.19-upstream-stable: N/A "Vulnerable code not present"
sid: released (6.7.12-1)
6.1-bookworm-security: needed
5.10-bullseye-security: N/A "Vulnerable code not present"
4.19-buster-security: N/A "Vulnerable code not present"