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efi: runtime: Fix potential overflow of soft-reserved region size
[ Upstream commit de1034b38a
]
md_size will have been narrowed if we have >= 4GB worth of pages in a
soft-reserved region.
Signed-off-by: Andrew Bresticker <abrestic@rivosinc.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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parent
3dce50ca99
commit
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2 changed files with 2 additions and 2 deletions
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@ -107,7 +107,7 @@ static int __init arm_enable_runtime_services(void)
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efi_memory_desc_t *md;
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for_each_efi_memory_desc(md) {
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int md_size = md->num_pages << EFI_PAGE_SHIFT;
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u64 md_size = md->num_pages << EFI_PAGE_SHIFT;
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struct resource *res;
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if (!(md->attribute & EFI_MEMORY_SP))
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@ -85,7 +85,7 @@ static int __init riscv_enable_runtime_services(void)
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efi_memory_desc_t *md;
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for_each_efi_memory_desc(md) {
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int md_size = md->num_pages << EFI_PAGE_SHIFT;
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u64 md_size = md->num_pages << EFI_PAGE_SHIFT;
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struct resource *res;
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if (!(md->attribute & EFI_MEMORY_SP))
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