mirror of
https://github.com/jiazhang0/meta-secure-core.git
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Lans Zhang
33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
From d3a1198bfc671530ed77ad2b81b0ae4582f9378e Mon Sep 17 00:00:00 2001
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From: Lans Zhang <jia.zhang@windriver.com>
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Date: Sun, 24 Apr 2016 15:56:38 +0800
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Subject: [PATCH] chainloader: Don't check empty section in file like .bss
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Upstream-Status: Pending
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Because this kind of section always has a zeroed PointerToRawData denoting
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the offset to file and a valid VirtualSize denoting the real size in the
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memory.
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Signed-off-by: Lans Zhang <jia.zhang@windriver.com>
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---
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grub-core/loader/efi/chainloader.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/grub-core/loader/efi/chainloader.c b/grub-core/loader/efi/chainloader.c
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index 2d8edc0..0e84100 100644
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--- a/grub-core/loader/efi/chainloader.c
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+++ b/grub-core/loader/efi/chainloader.c
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@@ -526,7 +526,7 @@ grub_shim_load_image(grub_addr_t addr, grub_ssize_t size,
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}
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if (section->virtual_address < context->header_size
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- || section->raw_data_offset < context->header_size)
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+ || (section->raw_data_offset && section->raw_data_offset < context->header_size))
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{
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grub_printf("Section is inside image headers\n");
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status = GRUB_ERR_BAD_FILE_TYPE;
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--
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1.9.1
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