On Fri, Jul 30, 2021 at 03:08:03PM +0900, Nobuhiro Iwamatsu wrote:
> Hi,
>
> This is a patch series to CVE-2021-21781.
> The patch 9c698bff66ab ("RM: ensure the signal page contains defined
> contents") depepds on memset32. However, this function is not provided
> in 4.4 and 4.9. Therefore, we need the patch 3b3c4babd898 ("lib/string.c:
> add multibyte memset functions") to apply this feature.
> Another option is to implement only the memset32 function in
> arch/arm/kernel/signal.c only or using loop memset, but for simplicity
> we have taken the way of applying the original patch 3b3c4babd898
> ("lib/string.c: add multibyte memset functions") that provides memset32
> in mainline kernel.
All now queued up, thanks.
greg k-h
