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Subject[PATCH v3 05/21] x86/kaslr: Fix off-by-one error in __process_mem_region
Date
In case of an overlap, the beginning of the region should be used even
if it is exactly image_size, not just strictly larger.

Signed-off-by: Arvind Sankar <nivedita@alum.mit.edu>
---
arch/x86/boot/compressed/kaslr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/boot/compressed/kaslr.c b/arch/x86/boot/compressed/kaslr.c
index da45e66cb6e4..848346fc0dbb 100644
--- a/arch/x86/boot/compressed/kaslr.c
+++ b/arch/x86/boot/compressed/kaslr.c
@@ -669,7 +669,7 @@ static void __process_mem_region(struct mem_vector *entry,
}

/* Store beginning of region if holds at least image_size. */
- if (overlap.start > region.start + image_size) {
+ if (overlap.start >= region.start + image_size) {
struct mem_vector beginning;

beginning.start = region.start;
--
2.26.2
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