Searched hist:"4 e140f59d285c1ca1e5c81b4c13e27366865bd09" (Results 1 – 3 of 3) sorted by relevance
/linux/include/linux/ |
H A D | highmem-internal.h | diff 4e140f59d285c1ca1e5c81b4c13e27366865bd09 Tue Jan 11 00:15:27 CET 2022 Matthew Wilcox (Oracle) <willy@infradead.org> mm/usercopy: Check kmap addresses properly
If you are copying to an address in the kmap region, you may not copy across a page boundary, no matter what the size of the underlying allocation. You can't kmap() a slab page because slab pages always come from low memory.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20220110231530.665970-2-willy@infradead.org
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/linux/arch/x86/include/asm/ |
H A D | highmem.h | diff 4e140f59d285c1ca1e5c81b4c13e27366865bd09 Tue Jan 11 00:15:27 CET 2022 Matthew Wilcox (Oracle) <willy@infradead.org> mm/usercopy: Check kmap addresses properly
If you are copying to an address in the kmap region, you may not copy across a page boundary, no matter what the size of the underlying allocation. You can't kmap() a slab page because slab pages always come from low memory.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20220110231530.665970-2-willy@infradead.org
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/linux/mm/ |
H A D | usercopy.c | diff 4e140f59d285c1ca1e5c81b4c13e27366865bd09 Tue Jan 11 00:15:27 CET 2022 Matthew Wilcox (Oracle) <willy@infradead.org> mm/usercopy: Check kmap addresses properly
If you are copying to an address in the kmap region, you may not copy across a page boundary, no matter what the size of the underlying allocation. You can't kmap() a slab page because slab pages always come from low memory.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org> Acked-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20220110231530.665970-2-willy@infradead.org
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