From: Christoph Hellwig <hch@xxxxxx> Commit d51c214541c5154dda3037289ee895ea3ded5ebd upstream. The second argument is the end "pointer", not the length. Fixes: d28f6df1305a ("arm64/kexec: Add core kexec support") Cc: <stable@xxxxxxxxxxxxxxx> # 4.8.x- Signed-off-by: Christoph Hellwig <hch@xxxxxx> Signed-off-by: Catalin Marinas <catalin.marinas@xxxxxxx> --- arch/arm64/kernel/machine_kexec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/kernel/machine_kexec.c b/arch/arm64/kernel/machine_kexec.c index bc96c8a7fc79..3e4b778f16a5 100644 --- a/arch/arm64/kernel/machine_kexec.c +++ b/arch/arm64/kernel/machine_kexec.c @@ -177,7 +177,8 @@ void machine_kexec(struct kimage *kimage) /* Flush the reboot_code_buffer in preparation for its execution. */ __flush_dcache_area(reboot_code_buffer, arm64_relocate_new_kernel_size); flush_icache_range((uintptr_t)reboot_code_buffer, - arm64_relocate_new_kernel_size); + (uintptr_t)reboot_code_buffer + + arm64_relocate_new_kernel_size); /* Flush the kimage list and its buffers. */ kexec_list_flush(kimage);