In get_kernel_addresses(), we add the lower bound check of kernel position. Kernel address cannot be lower than SDRAM start.
Signed-off-by: Alexander Shiyan <[email protected]> --- arch/arm/lib32/bootm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/arch/arm/lib32/bootm.c b/arch/arm/lib32/bootm.c index ad807fb1d..28a645a9d 100644 --- a/arch/arm/lib32/bootm.c +++ b/arch/arm/lib32/bootm.c @@ -114,10 +114,11 @@ static int get_kernel_addresses(size_t image_size, kaddr = mem_start + image_decomp_size; /* - * Make sure we do not place the image past the end of the + * Make sure we do not place the image outside of the * available memory. */ - if (kaddr + image_size + spacing >= mem_end) + if (((kaddr + image_size + spacing) > mem_end) && + ((mem_end - image_size - spacing) >= mem_start)) kaddr = mem_end - image_size - spacing; *load_address = PAGE_ALIGN_DOWN(kaddr); -- 2.26.2 _______________________________________________ barebox mailing list [email protected] http://lists.infradead.org/mailman/listinfo/barebox
