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[ Upstream commit875d742cf5] The loop that detects/populates cache information already has a bounds check on the array size but does not account for cache levels with separate data/instructions cache. Fix this by incrementing the index for any populated leaf (instead of any populated level). Fixes:5d425c1865("arm64: kernel: add support for cpu cache information") Signed-off-by: Radu Rendec <rrendec@redhat.com> Link: https://lore.kernel.org/r/20250206174420.2178724-1-rrendec@redhat.com Signed-off-by: Will Deacon <will@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>