[PATCH v4 1/1] mm/rmap: fix potential out-of-bounds page table access during batched unmap

[patchwork-bot+linux-riscv at kernel.org]

Hello:

This patch was applied to riscv/linux.git (fixes)
by Andrew Morton <akpm at linux-foundation.org>:

On Tue,  1 Jul 2025 22:31:00 +0800 you wrote:
> From: Lance Yang <lance.yang at linux.dev>
> 
> As pointed out by David[1], the batched unmap logic in try_to_unmap_one()
> may read past the end of a PTE table when a large folio's PTE mappings
> are not fully contained within a single page table.
> 
> While this scenario might be rare, an issue triggerable from userspace must
> be fixed regardless of its likelihood. This patch fixes the out-of-bounds
> access by refactoring the logic into a new helper, folio_unmap_pte_batch().
> 
> [...]

Here is the summary with links:
  - [v4,1/1] mm/rmap: fix potential out-of-bounds page table access during batched unmap
    https://git.kernel.org/riscv/c/ddd05742b45b

You are awesome, thank you!
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