Re: [PATCH v10 02/12] mm: apply_to_pte_range warn and fail if a large pte is... | linux-mm

[PATCH v10 00/12] huge vmalloc mappings · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
[PATCH v10 01/12] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 01/12] mm/vmalloc: fix vmalloc_to_page for huge vmap mappings · Christoph Hellwig <hch@infradead.org> · 2021-01-24
[PATCH v10 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered · Christoph Hellwig <hch@infradead.org> · 2021-01-24
[PATCH v10 03/12] mm/vmalloc: rename vmap_*_range vmap_pages_*_range · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 03/12] mm/vmalloc: rename vmap_*_range vmap_pages_*_range · Christoph Hellwig <hch@infradead.org> · 2021-01-24
[PATCH v10 05/12] mm: HUGE_VMAP arch support cleanup · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 05/12] mm: HUGE_VMAP arch support cleanup · Christoph Hellwig <hch@infradead.org> · 2021-01-24
Re: [PATCH v10 05/12] mm: HUGE_VMAP arch support cleanup · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 05/12] mm: HUGE_VMAP arch support cleanup · Christophe Leroy <hidden> · 2021-01-25
Re: [PATCH v10 05/12] mm: HUGE_VMAP arch support cleanup · Christophe Leroy <hidden> · 2021-01-25
[PATCH v10 06/12] powerpc: inline huge vmap supported functions · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 06/12] powerpc: inline huge vmap supported functions · Christophe Leroy <hidden> · 2021-01-26
Re: [PATCH v10 06/12] powerpc: inline huge vmap supported functions · Nicholas Piggin <npiggin@gmail.com> · 2021-01-26
[PATCH v10 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range · Christoph Hellwig <hch@infradead.org> · 2021-01-24
Re: [PATCH v10 04/12] mm/ioremap: rename ioremap_*_range to vmap_*_range · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
[PATCH v10 09/12] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 09/12] mm: Move vmap_range from mm/ioremap.c to mm/vmalloc.c · Christoph Hellwig <hch@infradead.org> · 2021-01-24
[PATCH v10 08/12] x86: inline huge vmap supported functions · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
[PATCH v10 10/12] mm/vmalloc: add vmap_range_noflush variant · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 10/12] mm/vmalloc: add vmap_range_noflush variant · Christoph Hellwig <hch@infradead.org> · 2021-01-24
[PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Christoph Hellwig <hch@infradead.org> · 2021-01-24
Re: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Randy Dunlap <hidden> · 2021-01-24
Re: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
Re: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Christophe Leroy <hidden> · 2021-01-26
RE: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · David Laight <hidden> · 2021-01-26
RE: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Nicholas Piggin <npiggin@gmail.com> · 2021-01-26
Re: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Nicholas Piggin <npiggin@gmail.com> · 2021-01-26
Re: [PATCH v10 11/12] mm/vmalloc: Hugepage vmalloc mappings · Christophe Leroy <hidden> · 2021-01-26
[PATCH v10 12/12] powerpc/64s/radix: Enable huge vmalloc mappings · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24
[PATCH v10 07/12] arm64: inline huge vmap supported functions · Nicholas Piggin <npiggin@gmail.com> · 2021-01-24

Re: [PATCH v10 02/12] mm: apply_to_pte_range warn and fail if a large pte is encountered

From: Christoph Hellwig <hch@infradead.org>
Date: 2021-01-24 11:34:39
Also in: linux-arch, linuxppc-dev, lkml

On Sun, Jan 24, 2021 at 06:22:20PM +1000, Nicholas Piggin wrote:

apply_to_pte_range might mistake a large pte for bad, or treat it as a
page table, resulting in a crash or corruption. Add a test to warn and
return error if large entries are found.

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>

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