Re: [PATCH] x86/mm: fix overflow in __cpa_addr

From: Dave Hansen

Date: Mon Oct 06 2025 - 18:22:44 EST


On 10/5/25 20:48, Rik van Riel wrote:
> Signed-off-by: Rik van Riel <riel@xxxxxxxxxxx>
> Cc: stable@xxxxxxxxxx
> Reported-by: syzbot+afec6555eef563c66c97@xxxxxxxxxxxxxxxxxxxxxxxxx
> Fixes: 86e6815b316e ("x86/mm: Change cpa_flush() to call flush_kernel_range() directly")

Hi Folks,

Thanks for the quick fix here!

But this doesn't need to go to stable, right? I think it just went to
Linus during the merge window last week so it never made it to a
release, so won't need a stable backport.