Blame SOURCES/0280-mkimage-fix-unintended-sign-extension.patch

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Andrei Borzenkov <arvidjaar@gmail.com>
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Date: Sat, 9 Jan 2016 21:05:44 +0300
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Subject: [PATCH] mkimage: fix unintended sign extension
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Found by: Coverity scan.
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CID: 73691, 73717
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---
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 util/grub-mkimagexx.c | 2 +-
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 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/util/grub-mkimagexx.c b/util/grub-mkimagexx.c
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index 0a1ac9e517c..66e8576411e 100644
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--- a/util/grub-mkimagexx.c
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+++ b/util/grub-mkimagexx.c
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@@ -1465,7 +1465,7 @@ SUFFIX (load_image) (const char *kernel_path, size_t *exec_size,
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   section_entsize = grub_target_to_host16 (e->e_shentsize);
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   num_sections = grub_target_to_host16 (e->e_shnum);
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-  if (kernel_size < section_offset + section_entsize * num_sections)
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+  if (kernel_size < section_offset + (grub_uint32_t) section_entsize * num_sections)
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     grub_util_error (_("premature end of file %s"), kernel_path);
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   sections = (Elf_Shdr *) (kernel_img + section_offset);