| From | Arvind Sankar <> | Subject | [PATCH v3 05/21] x86/kaslr: Fix off-by-one error in __process_mem_region | Date | Tue, 28 Jul 2020 18:57:06 -0400 |
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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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