On Tue, 23 Jan 2024 09:45:59 +0800, Jiangfeng Xiao wrote:
> In kasan_init_region, when k_start is not page aligned,
> at the begin of for loop, k_cur = k_start & PAGE_MASK
> is less than k_start, and then va = block + k_cur - k_start
> is less than block, the addr va is invalid, because the
> memory address space from va to block is not alloced by
> memblock_alloc, which will not be reserved
> by memblock_reserve later, it will be used by other places.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/kasan: Fix addr error caused by page alignment
https://git.kernel.org/powerpc/c/4a7aee96200ad281a5cc4cf5c7a2e2a49d2b97b0
cheers